Omron Automotive Electronics Co., Ltd. Patent applications |
Patent application number | Title | Published |
20160117877 | PORTABLE DEVICE, COMMUNICATION DEVICE, AND COMMUNICATION SYSTEM - A communication system includes: a vehicle-mounted communication device and a portable device. The communication device includes: a vehicle transmission unit which transmits a plurality of first signals to the portable device, and a vehicle reception unit which receives a second signal transmitted from the portable device. The portable device includes: a portable device reception unit which receives the first signals, a portable device controller which detects signal intensities of the received first signals, and which compares the signal intensities of the first signals, and a portable device transmission unit which transmits the second signal according to control of the portable device controller. The portable device controller sets an output value of the second signal to a predetermined value when a difference between the compared signal intensities of the first signals is equal to or less than a threshold. | 04-28-2016 |
20160035481 | PRINTED CIRCUIT BOARD WITH INTEGRATED COIL, AND MAGNETIC DEVICE - A printed circuit board with integrated coil includes: a plurality of layers; and coil patterns which are formed of a conductor and which are provided in at least one outer surface layer and another layer of the plurality of layers. A heat-dissipation pattern formed of a conductor is provided on at least the one outer surface layer so as to correspond to the coil pattern provided in the another layer. The coil pattern provided in the one outer surface layer and the heat-dissipation pattern provided in the one outer surface layer are separated from each other. A thermal inter-layer connector formed of a conductor is provided to connect the coil pattern provided in the another layer and the heat-dissipation pattern provided in the one outer surface layer which correspond to each other. | 02-04-2016 |
20160035480 | MAGNETIC DEVICE - Coil patterns are provided in first and second outer surface layers and an inner layer of the board. First and second heat-dissipation patterns are provided in the second outer surface layer. A first thermal inter-layer connection member connects the coil pattern of the first outer surface layer and the first heat-dissipation pattern. A second thermal inter-layer connection member connects the coil pattern of the inner layer and the second heat-dissipation pattern. The coil pattern provided in the second outer surface layer and the first and second heat-dissipation patterns are separated from each other. An area of the second heat-dissipation pattern is larger than an area of the first heat-dissipation pattern. | 02-04-2016 |
20160035478 | MAGNETIC DEVICE - Coil patterns are provided in layers of a board to be wound in a same direction. The coil pattern is wound outwardly in a last layer on a rear-most side and in each even-numbered layer. The coil pattern is wound inwardly in each odd-numbered layer other than the last layer. An inner end portion of the coil pattern in each odd-numbered layer is connected to an inner end portion of the coil pattern in an adjacent back-side layer. An outer end portion of the coil pattern in each even-numbered layer, and an outer end portion of the coil pattern in an adjacent back side layer or an inner end portion of the coil pattern in the last layer are connected by the individual inter-layer connection portion. Outer end portions of the coil patterns in a first-numbered layer and the last layer are connected to respective terminal portions. | 02-04-2016 |
20160027596 | VEHICLE SWITCH DEVICE - Provided is a vehicle switch device capable of preventing an operating error while improving the operability. A power window switch device | 01-28-2016 |
20160026191 | DOOR OPENING/CLOSING CONTROL DEVICE - An unintentional operation of a door is prevented while the usability of the door is improved. A power back door control device includes: an operation signal acceptor configured to accept an operation signal of a back door opening/closing switch for performing an operation of opening or closing a back door of a vehicle; a controller configured to control opening/closing of the back door via a motor when the operation signal acceptor accepts the operation signal; and a stopping state detector configured to detect whether or not the vehicle is in a stopping state based on information about traveling or stopping of the vehicle acquired by a vehicle-side ECU. When the stopping state detector detects that the vehicle is not in the stopping state, the controller performs fixing control of the back door so as to keep the back door from moving. | 01-28-2016 |
20160002969 | WINDOW OPENING-CLOSING CONTROL SYSTEM AND WINDOW OPENING-CLOSING CONTROL APPARATUS - The invention improves detection accuracy of interposition at a vehicle window. An interposition detector determines that a window at a passenger's seat has interposition if motor current for opening and closing the window at the passenger's seat does not decrease to be less than a predetermined threshold but increases to be not less than a second threshold, or if the motor current does not decreases to be less than the predetermined threshold but increases at a predetermined or more increase rate. The interposition detector determines that the window at the passenger's seat does not have interposition if the motor current is less than the predetermine threshold. The invention is applicable to an automatic window system and the like. | 01-07-2016 |
20150376932 | WINDOW OPENING-CLOSING CONTROL SYSTEM AND WINDOW OPENING-CLOSING CONTROL APPARATUS - If closing operation to the passenger's seat sub switch continues for not less than a prescribed time period Tb, a passenger's seat relay contact on a close side is turned ON. If the closing operation to the passenger's seat sub switch thereafter ends before a prescribed time period Tc elapses, the passenger's seat relay contact on the close side is kept ON. If opening operation to the passenger's seat sub switch continues for not less than the prescribed time period Tb, a passenger's seat relay contact on an open side is turned ON. If the opening operation to the passenger's seat sub switch thereafter ends before the prescribed time period Tc elapses, the passenger's seat relay contact on the open side is kept ON. The invention is applicable to an automatic window system and the like. | 12-31-2015 |
20150375626 | POWER CONVERSION APPARATUS AND POWER CONTROL METHOD - Charge efficiency of normal charge is improved without restricting an operation of a low-voltage load of an electric vehicle during the normal charge. During a charge of a high-voltage battery of a vehicle, when a determination of the normal charge is made, and when a determination that a mode switching target load is not operated is made, power saving mode transition processing is performed. Therefore, an operating mode of a DC-DC converter, which steps down a voltage at the high-voltage battery and supplies the stepped-down voltage to a low-voltage battery and a low-voltage load, is set to a power saving mode in which consumption power is reduced compared with a normal mode. When a determination that a start-up manipulation of the mode switching target load is performed is made, the operating mode of the DC-DC converter is changed to the normal mode. | 12-31-2015 |
20150372480 | OPEN-CLOSE BODY CONTROL APPARATUS - A motor is driven to rotate in a closing direction in an ordinary region other than a full close position immediately ahead region. An interposition determination unit determines whether or not interposition occurs while a windowpane is closing. If the interposition determination unit determines that interposition occurs, the motor is driven in a reverse direction to open the windowpane by a predetermined amount. The interposition determination unit continuously determines interposition after the closing windowpane enters the full close position immediately ahead region. If the determination unit determines that the interposition occurs while the windowpane is closing in the full close position immediately ahead region, the control unit stops driving the motor to stop the windowpane. | 12-24-2015 |
20150336523 | VEHICLE POWER SUPPLY APPARATUS AND VEHICLE POWER REGENERATION SYSTEM - A vehicle power supply apparatus includes: a switching element; a DC-DC converter; and a control unit. During an idling stop, the control unit turns on the switching element, and controls the DC-DC converter to discharge electricity from an electricity storage unit to supply electric power to loads, and when the voltage of the electricity storage unit decreases to a predetermined value, the control unit stops discharging to hold electric power of the electricity storage unit, continuously maintains the switching element ON to supply electric power to the loads, and transmits a signal indicating that the idling stop can be continuously maintained. When the idling stop ends and an engine is re-started, the control unit turns off the switching element, and controls the DC-DC converter to discharge electricity from the electricity storage unit to supply remaining electric power of the electricity storage unit to a second load. | 11-26-2015 |
20150336474 | VEHICLE POWER SUPPLY APPARATUS AND VEHICLE POWER REGENERATION SYSTEM - A vehicle power supply apparatus includes: a switching element; a DC-DC converter; and a control unit. When a vehicle is travelling, and a generator does not generate electricity, if a voltage of an electricity storage unit is greater than a predetermined value, the control unit turns on the switching element, and controls driving of the DC-DC converter such that the electricity storage unit discharges electricity to supply electric power of the electricity storage unit to loads, and even if the voltage of the electricity storage unit decreases to the predetermined value, as long as the vehicle speed is greater than or equal to a threshold value, the control unit turns on the switching element, and controls the driving of the DC-DC converter such that the electricity storage unit discharges electricity to supply the electric power of the electricity storage unit to the loads. | 11-26-2015 |
20150311799 | POWER SUPPLY - A power supply includes: a first connection terminal connectable with a DC power supply to which a first load and a generator are connected in parallel; a second connection terminal connectable with an electric storage which stores regenerative power generated by the generator; a third connection terminal connectable with a second load; a DC-DC converter; and a controller which controls the DC-DC converter. The power supply further includes: a first power path including one end connected to the first connection terminal and the other end connected to a first input/output terminal of the DC-DC converter; a second power path including one end connected to the second connection terminal and the other end connected to a second input/output terminal of the DC-DC converter; and a third power path including one end connected to the third connection terminal and the other end connected to the second power path. | 10-29-2015 |
20150281423 | PORTABLE DEVICE AND VEHICLE CONTROL SYSTEM - A control system includes a portable device transmitting to a proximity control signal controlling locking/unlocking of an opening/closing body of the vehicle from near the vehicle, and a remote control signal controlling an engine remotely, intensity of the remote control signal higher than the proximity control signal, and a control device receiving a signal transmitted by the portable device. The portable device transmits by a same transmission antenna the whole of the proximity control signal at a single center frequency, and all of divided signals obtained by dividing the whole of the remote control signal into plural pieces at plural center frequencies. The control device receives by a same reception antenna the whole of the proximity control signal at the single center frequency, and all of the divided signals at center frequencies corresponding to frequencies used upon transmission of the divided signals by the portable device. | 10-01-2015 |
20150280635 | DOOR OPENING/CLOSING CONTROL DEVICE - A door opening/closing control device includes: a controller controlling driving of an actuator opening or closing a door; a position detector detecting an opening/closing position of the door; a speed calculator calculating an opening/closing speed of the door based on a temporal change in the opening/closing position detected by the position detector; and a target assisting force calculator calculating target assisting force based on the opening/closing position and the opening/closing speed of the door. The controller controls the driving of the actuator to assist an operation of opening or closing the door based on the target assisting force calculated by the target assisting force calculator. Further, the controller controls the driving of the actuator such that the door is fully closed upon judgment that the opening/closing position of the door is in the vicinity of the fully closed position based on the opening/closing position detected by the position detector. | 10-01-2015 |
20150280609 | LOAD DRIVING DEVICE - A motor driving device includes a failure detector detecting the failure of switching elements and diodes of an inverter circuit. When the failure detection unit detects a failure according to which a switching element of a phase C upper stage is not conducting, but does not detect a failure according to which the diode connected is not conducting, a motor is driven using the switching element paired with the faulty switching element and the switching elements of the other phase. When the failure detection unit detects the failure according to which the switching element of the phase C upper stage is not conducting, and detect the failure according to which the diode connected is not conducting, the switching element paired with the faulty switching element is maintained in an off state, and each of the switching elements of the other phase is on/off controlled. | 10-01-2015 |
20150280593 | POWER SUPPLY DEVICE - A power supply device includes: a power factor correction circuit which includes a capacitor and which corrects a power factor of power; a DC-DC converter which includes a switching element and which steps up or down an output voltage of the power factor correction circuit; a control unit; and a voltage detection unit which detects a voltage of an input side of the power factor correction circuit. The control unit controls the switching element such that an output voltage of the DC-DC converter is gradually reduced when stopping an operation of the DC-DC converter in a normal state in which the voltage detection unit does not detect a voltage lower than a predetermined value. When the voltage detection unit detects a voltage lower than the predetermined value, the control unit immediately turns off the switching element to stop the operation of the DC-DC converter. | 10-01-2015 |
20150275563 | DOOR OPENING/CLOSING CONTROL DEVICE - A door opening/closing control device includes: a driving part driving an actuator opening or closing a door; an operation switch operated for instructing opening/closing or stopping of the door; a first controller controlling driving of the actuator via the driving part in accordance with the operation; a manual opening/closing detector detecting that the door is manually opened or closed; and a second controller controlling the driving of the actuator via the driving part to assist a manual operation of opening or closing the door when the manual opening/closing detector detects the manual opening/closing operation. Then, when the second controller controls the driving of the actuator to assist the manual operation of opening or closing the door, even when the operation switch is operated, the first controller does not control the driving of the actuator in accordance with the operation, and the second controller continues to control the driving. | 10-01-2015 |
20150261304 | PORTABLE MACHINE AND CONTROL SYSTEM - A portable machine of the disclosure includes: a manipulation unit configured to receive a manipulation for a vehicle; a transmitter configured to transmit a function enabling signal to a control device based on the manipulation of the manipulation unit, the control device being configured to control opening and closing of an opening and closing body of the vehicle; and a display configured to display information. The display displays a remaining time of a predetermined time after the transmitter transmits the function enabling signal. The control device controls an opening operation of the opening and closing body based on user's action that is detected by a sensor within the predetermined time after the function enabling signal is received, the sensor being provided in or around the opening and closing body to detect the user's action. | 09-17-2015 |
20150259967 | CONTROL DEVICE AND CONTROL SYSTEM - A control device of the present disclosure includes a receiver configured to receive a function enabling signal transmitted from a portable machine used to manipulate a vehicle, a determination unit configured to measure a predetermined time since the receiver receives the function enabling signal and determine whether the predetermined time elapses, and an opening and closing body controller configured to control opening and closing of an opening and closing body of the vehicle. The opening and closing body controller controls an opening operation of the opening and closing body based on user's action detected by a sensor, which is provided in or around the opening and closing body to detect the user's action, before the determination unit determines that the predetermined time elapses and after the receiver receives the function enabling signal from the portable machine. | 09-17-2015 |
20150253426 | LASER RADAR DEVICE AND OBJECT DETECTING METHOD - A laser radar device disclosed herein includes a projector configured to project a laser beam to a predetermined monitoring area, a vertical direction beam receiver configured to receive reflected beam of the laser beam, the vertical direction beam receiver including predetermined numbers of dead zones and sensing zones disposed alternately in a vertical direction, and including in the vertical direction a plurality of resolutions configured, a peak detector configured to detect a peak of a received beam level of each of the reflected beams received by the sensing zones, and an object detector configured to calculate a distance to an object per sensing zone using the peak. The object detector recognizes that the object having a predetermined height is detected when continuously recognizing the distance calculated per sensing zone as the same distance for a predetermined number of times or more. | 09-10-2015 |
20150247481 | PORTABLE DEVICE - A portable device includes a transmission unit which transmits an engine starting signal for starting an engine of a vehicle and an engine stopping signal for stopping the engine of the vehicle to the vehicle. The transmission unit transmits the engine stopping signal with an intensity higher than that of the engine starting signal. | 09-03-2015 |
20150246657 | PORTABLE DEVICE - A portable device includes: a reception unit which receives state information of a vehicle from the vehicle; a transmission unit which transmits a signal to the vehicle; a control unit which controls communication with the vehicle; and a storage unit which stores at least two signal transmission intensities including a signal transmission intensity during engine stop and a signal transmission intensity during engine operation higher than the signal transmission intensity during engine stop, the signal transmission intensities being able to be set by the control unit. The control unit sets a signal transmission intensity of the signal transmitted from the transmission unit based on the state information received by the reception unit and the signal transmission intensities stored in the storage unit. The transmission unit transmits the signal based on the signal transmission intensity set by the control unit. | 09-03-2015 |
20150230362 | ELECTRONIC COMPONENT FIXING STRUCTURE AND FIXING METHOD - An electronic component fixing structure includes: a mount; an electronic component mounted on the mount; and a fixing member which is formed of an elastic body and which fixes the electronic component to the mount. The mount includes: a mounting region on which the electronic component is mounted; an engaging surface which engages with the fixing member on a side opposite to a side on which the mounting region is positioned; and a wall which faces the mounting region and which is provided closer to an end surface of the mount than the mounting region. The fixing member includes: a pressing portion which presses the electronic component toward the mounting region; an engaging portion which engages with the engaging surface against a reactive force by the pressing portion; and a connection portion which is brought into contact with the wall between the pressing portion and the engaging portion. | 08-13-2015 |
20150204980 | LASER RADAR DEVICE, OBJECT DETECTING METHOD - A laser radar device includes: a projector projecting measuring light to a forward direction of a vehicle multiple times during a predetermined detection period; light receiving elements receiving reflected light of the measuring light from detection areas having different directions in a horizontal direction; a measurement section selecting at least one of light reception signals from the light receiving elements and measuring a light reception value by sampling the selected light reception signal; an integrator integrating the light reception values of the light reception signals from the identical light receiving element at an identical sampling clock time; a detector detecting an obstacle in each detection period based on the integrated light reception value; and a sensitivity controller increasing the number of times of integrating the light reception values of at least a part of the light receiving elements, under predetermined conditions. | 07-23-2015 |
20150185320 | LASER RADAR DEVICE AND OBJECT DETECTION METHOD - A laser radar device includes: a projection part repeatedly performing processing of projecting measurement light that is of a pulsed laser beam to a predetermined monitoring area in a measurement period having a predetermined first length, the processing being repeated in c cycles (c≧2) in a detection period having a predetermined second length; a light receiver including n1 (n1≧2) light receiving elements and receiving reflected light of the measurement light in directions different from one another; a selector selecting light receiving signals of the n1 light receiving elements in each measurement period and output n2 (n2≧2) light receiving signals; a sampling part sampling the light receiving signals output from the selector s (s≧2) times every time the measurement light is projected; and a detector performing processing of detecting an object in a detection-period-based period based on sampling values. | 07-02-2015 |
20150137821 | ASSEMBLED-BATTERY VOLTAGE DETECTION DEVICE - An assembled-battery voltage detection device for detecting a voltage at an assembled-battery including a plurality of single batteries connected in series includes: single-battery voltage detection circuits detecting voltages at the respective single batteries; single-battery voltage detection terminals connected to ends of the single batteries; connectors connecting the single-battery voltage detection terminals and the single batteries; voltage detection terminals detecting a voltage at one of the single batteries located at one end in the assembled battery; an assembled-battery voltage detection circuit detecting a potential difference between the voltage detection terminals; a single-battery voltage sum calculator calculating a sum of the voltages detected by the single-battery voltage detection circuits; an end-battery voltage abnormality determination unit determining whether the voltage at the single battery located at the end is 0 V; and an abnormality output unit outputting an abnormality depending on predetermined conditions. | 05-21-2015 |
20150130440 | DC-DC CONVERTER - A DC-DC converter includes a voltage conversion circuit boosting a voltage of a DC power supply and supplying the voltage to a load, a bypass circuit provided in parallel to the voltage conversion circuit, a drive circuit turning on and off a switching element of the bypass circuit, and a controller outputting a control signal for controlling the voltage conversion circuit and the drive circuit. A diode is connected in parallel to the switching element so as to be oriented toward a forward direction with respect to the DC power supply. A temperature detector of the drive circuit detects temperature of the diode. The drive circuit maintains the switching element in the on state irrespective of the control signal of the controller when the temperature detector detects a temperature greater than or equal to a predetermined value. | 05-14-2015 |
20150116963 | COIL-INTEGRATED PRINTED CIRCUIT BOARD AND MAGNETIC DEVICE - A coil-integrated printed circuit board includes: a first outer layer which includes a first outer thick electric conductor made of a thick metallic foil and a first outer thin electric conductor made of a thin metallic foil having a thickness smaller than that of the first outer thick electric conductor, and which is exposed to an outside; and a first inner layer which includes an inner thick electric conductor made of a thick metallic foil, and which is not exposed to the outside. Coil patterns are respectively formed by the first outer thick electric conductor and the inner thick electric conductor. A first electronic component is surface-mounted on the first outer thin electric conductor provided on the outer layer. | 04-30-2015 |
20150094908 | LASER RADAR APPARATUS - A laser radar apparatus includes a beam projecting unit and a beam receiving unit that receives via a glass surface a reflective wave occurring when a beam projected from the beam projecting unit is reflected from an object. The laser radar apparatus further includes control unit that commands a prompt operation mode of a wiper when an amount of the objects is determined to be greater than or equal to a threshold level based on a beam reception level detected by the beam receiving unit, and a wiper operation control unit that controls the wiper to operate in the prompt operation mode after a waiting time period elapses. The waiting time period is from when it is detected that the amount of the objects is greater than or equal to the threshold level to when a wiper operation starts. | 04-02-2015 |
20150083559 | SWITCH AND METHOD OF ASSEMBLING SWITCH - A switch includes: a case including a bottom portion and a side wall; a fixed terminal provided on the bottom portion of the case; a supporting member provided in the case; a movable contact strip supported by the supporting member so as to be pivotable in a vertical direction above the fixed terminal; a resilient member provided between the side wall of the case and the movable contact strip, and configured to urge one end portion of the movable contact strip obliquely upward; and a pressing member provided above the resilient member. The movable contact strip pivots and an opened-closed state between the movable contact strip and the fixed terminal is switched by pressing a center portion of the resilient member downward by the pressing member. | 03-26-2015 |
20150077026 | MOTOR CONTROL APPARATUS - A motor control apparatus includes: duty calculation units that calculate a duty of a PWM signal based on a deviation between a value of a physical quantity of a motor with a command value; and a duty setting unit that performs setting of the duty based on the duty calculated by the duty calculation units. The duty setting unit maintains a present duty until new duty is input from any one of the plurality of duty calculation units, and updates the duty from the present duty to the new duty when the new duty is input from any one of the plurality of duty calculation units. A PWM signal generation unit generates the PWM signal based on the duty set by the duty setting unit and a carrier signal generated by a carrier signal generation unit. | 03-19-2015 |
20150069945 | VEHICLE POWER WINDOW APPARATUS - A vehicle power window apparatus includes: a driver seat unit and a first non-driver seat switch which is a manual switch provided on a non-driver seat to open and close a non-driver seat window. The driver seat unit includes a switching circuit operated based on a predetermined operation of the first non-driver seat switch. When an extended operation of the first non-driver seat switch set by operating the first non-driver seat switch for a certain time period or more is detected, the control unit drives the switching circuit. After the extended operation of the first non-driver seat switch is released, the control unit fully opens or closes the non-driver seat window in an automatic operation mode by energizing the non-driver seat motor via the switching circuit and the first non-driver seat switch by the power supply. | 03-12-2015 |
20150068878 | CLICK MODULE AND OPERATION SWITCH - A click module which gives a feeling of click when an operation knob which is tiltably and pivotally supported on a casing of an operation switch is tiltably operated has a click face on which a crest portion or a valley portion is formed, a click element which slides on the click face, and a resilient member which biases the click element to a click face side. The click module is detachably mounted on the casing. The click element and the click face slide relative to each other in an interlocking manner with a tilting operation of the operation knob. | 03-12-2015 |
20150065079 | MOBILE TERMINAL, REPORT CONTROL METHOD, AND REPORT SYSTEM - The mobile terminal adequately reports when the mobile terminal receives an impact due to an accident of a vehicle. When it is determined in step S | 03-05-2015 |
20150061851 | ONBOARD APPARATUS AND REPORT CONTROL METHOD - An automatic report to an appropriate destination can be sent in a short time when abnormality is detected with a vehicle. When the shock is determined to occur with the vehicle in step S | 03-05-2015 |
20150061555 | MOTOR CONTROL APPARATUS - A motor control apparatus has an inverter circuit having a plurality of pairs of upper and lower arms provided so as to correspond to the number of phases, and switching elements provided on each of the upper arms and the lower arms of each phase that drive a motor on the basis of ON or OFF operations of the respective switching elements, a single current detector that detects a current of the motor flowing through the inverter circuit, and a duty calculator that calculates duties of a PWM signals for turning the switching elements ON or OFF on the basis of a deviation between a current value of the current detected by the current detector and a target current value. | 03-05-2015 |
20150061554 | MOTOR CONTROL APPARATUS - A motor control apparatus has an inverter circuit having a plurality of pairs of upper and lower arms provided so as to correspond to a number of phases, and switching elements provided on each of the upper arms and the lower arms of each phase that drive a motor on the basis of ON or OFF operations of the respective switching elements, a single current detector that detects a current of the motor flowing through the inverter circuit, and a duty calculator that calculates duties of PWM signals for turning the switching elements ON or OFF on the basis of a deviation between a current value of the current detected by the current detector and a target current value. | 03-05-2015 |
20150025746 | VEHICLE CONTROLLER AND VEHICLE CONTROL METHOD - A vehicle controller has a brake operation detector that detects operation of a brake of a vehicle, a contact detector that detects contact of hands with a steering part of the vehicle, an authentication unit that makes wireless communication with a portable device having authentication information and authenticates the portable device, and a controller that controls power supply of the vehicle and driving of a prime mover of the vehicle. If the portable device has been successfully authenticated, the operation of the brake has been detected, and contact of the hands with at least two locations of the steering part has been detected for a specified period or more, the controller performs control to start power supply to a predetermined load of the vehicle and start the prime mover. | 01-22-2015 |
20150015385 | REPORTING SYSTEM, REPORTING CONTROL METHOD, AND HANDHELD DEVICE - A reporting system has a first handheld device that locks and unlocks a door of a vehicle, and a second handheld device that communicates with the first handheld device. The first handheld device has an inside/outside determination unit that carries out wireless communication with the vehicle and acquires, with the vehicle, information of inside/outside determination on whether the first handheld device is inside the vehicle or outside the vehicle, and a transmitting unit that transmits the result of the inside/outside determination. The second handheld device has a receiving unit that receives the result of the determination from the first handheld device. | 01-15-2015 |
20140346333 | PHOTODETECTION DEVICE - A photodetection device has a light passing part in an upper portion, a light guiding member, and a photodetection element in a lower portion. Light passing through the light passing part is guided by the light guiding member to be detected by the photodetection element. The light guiding member has an incident curved surface provided annularly around a central axis on a side of the light passing part, and a reflective curved surface provided around the central axis inside the incident curved surface so as to be opposed to the incident curved surface. The light guiding member reflects light at the reflective curved surface to guide the light to a light receiving surface of the photodetection element, the light passing through the light passing part and entering the incident curved surface at a predetermined inclination angle. | 11-27-2014 |
20140324250 | VEHICLE PORTABLE KEY - A portable key switchable between a first mode and a second mode for operating a vehicle has a transmission antenna that transmits a signal to the vehicle, a reception antenna that receives a signal from the vehicle, a changeover switch that is operable by a user when the portable key is switched from a first mode to a second mode, a command switch that is operable by the user when an operation command signal is transmitted to the vehicle, a lighting display part that notifies the user of information, and a controller that performs control so as to transmit the signal from the transmission antenna based on input from the changeover switch or the command switch, and performs control so as to display information received from the vehicle by the reception antenna on the lighting display part. | 10-30-2014 |
20140316610 | VEHICLE PORTABLE KEY - A portable key switchable between a first mode and a second mode for operating a vehicle has a transmission antenna that transmits a signal to the vehicle, a reception antenna that receives a signal from the vehicle, a changeover switch that is operable by a user when the portable key is switched from the first mode to the second mode, a command switch that is operable by the user when an operation command signal is transmitted to the vehicle, and a controller that performs control so as to transmit the signal from the transmission antenna based on input from the changeover switch or the command switch. The controller transmits a first operation command signal valid in the first mode from the transmission antenna when the command switch is operated in the first mode, | 10-23-2014 |
20140293267 | LASER RADAR DEVICE - A laser radar device has a light projection part that projects light to a monitoring area outside a vehicle from a vehicle interior through a glass surface, a light receiving part that is placed a given distance away from the light projection part in a substantially horizontal direction to receive reflected light from an object outside the vehicle in the light projected by the light projection part through the glass surface, a measuring part that measures the distance to the object in the monitoring area based on timing when the light projection part projects the light and timing when the light receiving part receives the reflected light, and a light-projection shielding part that shields the light projected to an outside of the monitoring area in the light projected by the light projection part. | 10-02-2014 |
20140293264 | LASER RADAR DEVICE - A laser radar device has a light projection part that projects light to a monitoring area outside a vehicle, and a light receiving part that receives a reflected light that is projected by the light projection part and reflected by an object outside the vehicle. The light projection part has a light projection circuit that emits a laser beam, a converter that converts the laser beam into parallel light and outputs the parallel light in a horizontal direction, and a lenticular lens or a lens array. The lenticular lens or the lens array diffuses horizontally the parallel light in a plurality of directions. | 10-02-2014 |
20140233196 | SWITCH DEVICE - A switch device has an upper case, an operation part attached to the upper case, a lower case fitted in the upper case, a connector provided on a rear side of the lower case, the connector including a connector box and a connector terminal accommodated in the connector box, the connector box including an opening opened in a direction parallel to a lower surface of the lower case, a first wall portion that extends in a width direction of the connector box while being adjacent to a side surface on a side opposite to the opening of the connector box, and a second wall portion that extends in the same direction as the first wall portion while being opposed to the first wall portion with a gap interposed therebetween. | 08-21-2014 |
20140232413 | BATTERY VOLTAGE DETECTION DEVICE, ASSEMBLED BATTERY MANAGEMENT SYSTEM - An assembled battery management system has an assembled battery having a plurality of battery modules connected in series, wherein each of the battery modules has a plurality of battery cells connected in series, a connection member that connects the plurality of battery modules, and a battery voltage detection device that detects voltages of the battery cells. The battery voltage detection device has a monitoring section having a voltage detector that detects the voltages of the battery cells, wherein the monitoring section monitors the voltages of the battery cells based on a detection result of the voltage detector, and a plurality of voltage input terminals connected to the monitoring section. Each of the battery modules includes a plurality of voltage detection terminals connected to a positive electrode and a negative electrode of each of the modules as well as connecting points of the battery cells. | 08-21-2014 |
20140232351 | VOLTAGE MONITORING APPARATUS OF ASSEMBLED BATTERY - A voltage monitoring apparatus of an assembled battery has a voltage monitoring section that monitors each voltage of the assembled battery formed by a plurality of cells, and a power supply circuit that acquires a voltage from the assembled battery to generate a power supply voltage of low voltage, and supplies the power supply voltage to a load. The assembled battery is configured by a series circuit of a first block, which includes a plurality of cells or a singular cell, and a second block, which is configured by a plurality of cells or a singular cell. The power supply circuit acquires a voltage from both ends of the second block. The voltage monitoring apparatus further has a power transmission circuit that acquires a voltage from both ends of the first block and supplies a power corresponding to the acquired voltage to at least the second block. | 08-21-2014 |
20140231233 | SWITCH DEVICE - A switch device has an upper case, a hollow tube that is vertically opened and provided on an upper surface of the upper case, an operation knob that is swingably supported by the tube so as to cover an upper opening of the tube, and a lower case that is fitted in the upper case. The tube has a front sidewall and a back sidewall. The front sidewall and the back sidewall are opposed in front-back direction with the upper opening interposed therebetween. A drain groove extending along the back sidewall is formed at an upper end of the back sidewall. One of or both ends in a lengthwise direction of the drain groove are opened. | 08-21-2014 |
20140231232 | SWITCH DEVICE - A switch device has an operation part, an upper case in which a hollow tube supporting the operation part is formed, a lower case that is fitted in the upper case, a first drain hole opened upward provided near the tube of the upper case, and a second drain hole opened downward provided in the lower case. The second drain hole communicates with the first drain hole. | 08-21-2014 |
20140215567 | COMMUNICATION SYSTEM AND COMMUNICATION DEVICE - A communication system has a first communication device, and a second communication device conduct wireless communication with the first communication device. The first communication device has a first transmitter that transmits a signal to the second communication device, and a first transmission controller that controls the first transmitter. The second communication device has a first receiver that receives the signal from the first communication device, a first reception controller that controls the first receiver, a signal processor that processes the signal received by the first receiver, and a determination part that determines whether the signal received by the first receiver is a normal signal. When transmitting a predetermined first signal, the first transmission controller divides the first signal into a plurality of segments to change a transmission frequency of the first transmitter in units of segments. | 07-31-2014 |
20140207343 | OPENING/CLOSING BODY CONTROL DEVICE - An opening/closing body control device has a controller that controls a driving operation of a motor for carrying out an operation for opening/closing an opening/closing body of a vehicle, a load detector that detects a load of the motor; a deciding part that compares a variation in the load detected by the load detector with a predetermined threshold, thereby deciding presence of insertion of a foreign substance into the opening/closing body during the operation for closing the opening/closing body, an engine state detector that detects a stopping state of an engine of the vehicle, a receiver that receives a closing command for the opening/closing body which is transmitted from a remote control machine, and a changing part that changes the threshold. | 07-24-2014 |
20140207313 | COMMUNICATION SYSTEM AND COMMUNICATION DEVICE - A communication system has a first communication device, and a second communication device that conducts wireless communication the first communication device. The first communication device has a first transmitter that transmits a signal to the second communication device while modulating the signal, and a first transmission controller that controls the first transmitter. The second communication device has a first receiver that receives the signal from the first communication device and demodulates the received signal. The first transmission controller performs control so as to change a modulation method in midstream when a predetermined first signal is modulated and transmitted. The first receiver changes a demodulation method according to the change of the modulation method of the first signal in midstream when the first signal is received and demodulated. | 07-24-2014 |
20140203907 | COMMUNICATION SYSTEM AND COMMUNICATION DEVICE - A communication system has a first communication device, and a second communication device that conducts wireless communication with the first communication device. The first communication device has a first transmitter that transmits a signal to the second communication device, and a first transmission controller that controls the first transmitter. The second communication device has a first receiver that receives the signal from the first communication device, a measurement part that measures a reception intensity of the signal received by the first receiver, and a determination part that determines whether the signal received by the first receiver is a normal signal. The first transmission controller divides a predetermined portion of a predetermined signal into a plurality of portions when transmitting the predetermined signal. | 07-24-2014 |
20140200771 | STEERING CONTROL DEVICE - A steering control device has a filter section configured to remove a high frequency component from an output of a torque sensor configured to detect a steering torque of a steering device mounted on a vehicle, a current command section configured to output a current command value based on a travelling speed of the vehicle and an output of the filter section, a drive control section configured to control a drive of a motor configured to aid a steering of the steering device based on the current command value, and a drive prohibiting section configured to output a signal for prohibiting the drive of the motor to the drive control section based on the output of the torque sensor, the current command value, and the travelling speed of the vehicle. | 07-17-2014 |
20140176049 | CHARGING DEVICE - A charging device has a rectifier circuit that rectifies an AC voltage supplied from an AC power supply, a power factor correction circuit that is connected to an output terminal of the rectifier circuit, a capacitor that is connected to a pair of output lines of the power factor correction circuit, a DC-DC converter that boosts or steps down an output voltage at the power factor correction circuit to output the output voltage to a battery, a voltage detection circuit that is provided between the power factor correction circuit and the DC-DC converter, and a controller that controls the power factor correction circuit based on a voltage detected by the voltage detection circuit. The voltage detection circuit includes an isolation transformer, a switching element, and a voltage detector. | 06-26-2014 |
20140167778 | BATTERY MANAGEMENT SYSTEM AND INTEGRATED BATTERY MANAGEMENT DEVICE - A battery management system has battery cell management devices that correspond to battery modules in which a plurality of battery cells are connected in series, and a battery pack management device that corresponds to a battery pack in which the battery modules are connected in series. Each of the battery cell management devices detects a voltage of each of the battery cells via a first detection line connected to both electrodes of each of the battery cells, and transmits data indicating the voltage to the battery pack management device via a communication line. | 06-19-2014 |
20140159865 | REMOTE CONTROL DEVICE FOR VEHICLE - In a remote control device for a vehicle including: a portable transmitter configured to repeatedly transmit a signal for giving an instruction to activate an activation device mounted in a vehicle, in response to an operation of a manipulator which is performed continuously for a predetermined time or more; and a vehicle-side receiver provided in the vehicle to activate the activation device based on the signal transmitted from the portable transmitter, the portable transmitter transmits a first signal including a data frame having at least an ID code, a function code determining an action of the activation device, and a first error detection code and then repeatedly transmits a second signal, and a data frame of the second signal having same function code as that of the first signal and a second error detection code generated based on the function code, and the data frame of the first signal. | 06-12-2014 |
20140156141 | ELECTRIC PARKING BRAKE CONTROL DEVICE - An electric parking brake control device has an actuator that drives a motor configured to operate or release an electric parking brake, a control unit that controls the actuator, a storage unit that stores a state of the parking brake, a determining unit that determines the state of the parking brake based on current that flows into the motor, and a detecting unit that detects an ON/OFF state of an ignition switch. When the detecting unit detects that the ignition switch is in the ON state, the actuator sends current in a direction which causes the parking brake to be operated to the motor, and the determining unit determines whether the parking brake is in an operation state or a release state based on the current which flows to the motor. | 06-05-2014 |
20140114504 | IN-VEHICLE SYSTEM, VEHICLE CONTROL METHOD, AND VEHICLE CONTROL SYSTEM - An in-vehicle system has a control device that controls a vehicle, and a charging device provided in the vehicle, in which a portable terminal is chargeable. The charging device has a power supply part that supplies power to the portable terminal, and a communication part that communicates with the portable terminal when the portable terminal is installed on the charging device. The control device has an authentication part that authenticates first authentication information received by the communication part from the portable terminal, and a vehicle control part that controls whether to permit starting of the vehicle based on an authentication result of the first authentication information. | 04-24-2014 |
20140111391 | IN-VEHICLE SYSTEM - An in-vehicle system has a first transmitting antenna that is disposed in a substantial center in a front portion inside a vehicle, a second transmitting antenna that is disposed in the substantial center in a rear portion inside the vehicle, a third transmitting antenna that is disposed in a side surface near a driver seat or a passenger seat of the vehicle, a transmission controller that controls transmission of a first signal or a second signal from the first to third transmitting antennas, the second signal disturbing reception of the first signal, and a receiving antenna that receives a response signal, the response signal being transmitted from a portable device receiving the first signal transmitted from the first to third transmitting antennas. | 04-24-2014 |
20140077770 | POWER FACTOR CORRECTION CIRCUIT CONTROLLING DEVICE AND CHARGING DEVICE - A power factor correction circuit controlling device has a power factor correction circuit that is connected to an AC power supply, and brings a waveform of an input current from the AC power supply close to a sine wave to correct a power factor by an on/off operation of a switching element, and a controller that controls an operation of the power factor correction circuit. The power factor correction circuit includes a current detection circuit that detects the input current, and a voltage detection circuit that detects the output voltage at the power factor correction circuit. | 03-20-2014 |
20140070733 | VEHICLE WINDOW OPENING AND CLOSING CONTROL DEVICE - A vehicle window opening and closing control device has a driver seat unit that is provided in a driver seat of a vehicle, and a sub-switch that is provided in a seat other than the driver seat. The driver seat unit includes a main switch that operates opening and closing of a first window of the driver seat and a second window of the seat other than the driver seat and a controller that controls a driver seat motor provided in the driver seat and an other-seat motor provided in the seat other than the driver seat to perform manual opening and closing and automatic opening and closing of the first and second windows based on the operation of the main switch. The sub-switch is a switch that performs only the manual opening and closing of the second window using the other-seat motor. | 03-13-2014 |
20140055232 | CONTROL SYSTEM DURING FUEL SUPPLY TO VEHICLE, AND PORTABLE DEVICE - A control system during fuel supply to a vehicle has a portable device configured to be carried by a user, and an in-vehicle device that is mounted on the vehicle to conduct wireless communication with the portable device. The portable device is configured to conduct wireless communication with a facility communicator that is installed in a fuel supply facility. The in-vehicle device includes a portable device authentication part that authenticates the portable device and a fuel supply lid controller that opens or unlocks a fuel supply lid of the vehicle. The portable device receives a fuel supply inquiry signal transmitted by the facility communicator when the facility communicator detects an operation performed by the user or existence of the user. The portable device transmits a fuel supply starting message signal and authentication information on the portable device to the in-vehicle device when receiving the inquiry signal from the facility communicator. | 02-27-2014 |
20140045531 | PORTABLE-DEVICE POSITION DETERMINATION SYSTEM, PORTABLE-DEVICE POSITION DETERMINATION METHOD, AND PORTABLE-DEVICE POSITION DETERMINATION APPARATUS - A portable-device position determination system has a portable device that is configured to be possessed by a user, and an in-vehicle device that is mounted on a vehicle and conducts wireless communication with the portable device. The in-vehicle device transmits a request signal to the portable device. The portable device detects a received signal intensity of the request signal to send back the received signal intensity to the in-vehicle device. The in-vehicle device compares the received signal intensity of the request signal detected by the portable device to a threshold to determine a position of the portable device. The in-vehicle device includes a transmission controller that generates the request signal, supplies an electric power to a transmitting antenna, and transmits the request signal from the transmitting antenna, and a current detector that detects a current passed through the transmitting antenna when the request signal is transmitted. | 02-13-2014 |
20140015496 | CHARGING DEVICE - A charging device has an AC power supply input part that rectifies an AC voltage, a power factor correction part that converts a rectified voltage outputted from the AC power supply input part into a DC intermediate voltage, a power conversion part that converts the intermediate voltage outputted from the power factor correction part into a charge voltage, and supplies the charge voltage to a secondary battery, an input voltage acquisition unit that acquires the rectified voltage outputted from the AC power supply input part, an output voltage acquisition unit that acquires the charge voltage outputted from the power conversion part, and a storage part in which the rectified voltage, the charge voltage, and a target intermediate voltage correlated with the rectified voltage and charge voltage are stored. | 01-16-2014 |
20140015406 | VEHICLE LIGHT CONTROL DEVICE - A vehicle light control device mounted on a vehicle to control lighting of a light of the vehicle based on illuminance around the vehicle, has an infrared sensor that detects an infrared ray around the vehicle, an infrared illuminance detector that detects infrared illuminance from an output of the infrared sensor, a visible-light sensor that detects visible light around the vehicle, a visible-light illuminance detector that detects visible-light illuminance from an output of the visible-light sensor, a storage in which a first lighting threshold is stored, and a controller that controls the lighting of the light based on the infrared illuminance detected by the infrared illuminance detector, the visible-light illuminance detected by the visible-light illuminance detector, and the first lighting threshold stored in the storage. | 01-16-2014 |
20130334879 | VEHICLE POWER-SUPPLY CONTROL DEVICE - A vehicle power-supply control device has a battery charger that converts an externally-supplied AC voltage into a DC voltage used to charge a vehicle high-voltage battery, a low-voltage power generator that converts the DC voltage output from the battery charger into a DC voltage used to drive a vehicle auxiliary machine, and a controller that controls the battery charger and the low-voltage power generator. The battery charger includes a power factor correction circuit that corrects a power factor of the AC voltage and a first DC/DC converter that generates a predetermined DC voltage based on an output of the power factor correction circuit. The low-voltage power generator includes a second DC/DC converter that steps down the DC voltage output from the battery charger and a synchronous rectifier that rectifies an output of the second DC/DC converter in synchronization with a switching operation of the second DC/DC converter. | 12-19-2013 |
20130332009 | VEHICLE CONTROL DEVICE, VEHICLE SYSTEM, AND CONTROL METHOD - A vehicle control device that is mounted on a vehicle including an engine has a portable key existence checking part that checks whether a portable key that can remotely control the vehicle exists in the vehicle. The portable key existence checking part stops the checking whether the portable key exists in the vehicle, when the portable key existence checking part detects an operation to cause the engine to start automatically during the checking whether the portable key exists in the vehicle, in an idling stop/start operation in which the engine is caused to stop automatically when a predetermined automatic stopping condition holds while the engine is caused to start automatically when a predetermined automatic starting condition holds. | 12-12-2013 |
20130241417 | CONTROL DEVICE FOR LIGHTING LED AND DETECTING BREAKAGE THEREOF - A control device includes a plurality of LED arrays connected to a ground and connected in parallel to one another, each of the plurality of LED arrays including one or more LEDs connected in series and a resistance element connected in series to the LEDs, a first switching circuit disposed between each of the plurality of LED arrays and a power source, a second switching circuit disposed between each of the plurality of LED arrays and the power source, a capacitor having one end connected to the first switching circuit and another end connected to the plurality of LED arrays, a voltage detection circuit having an end connected to the other end of the capacitor, and a control circuit that controls switching of conduction states of each of the first and second switching circuits, and reads a voltage from the voltage detection circuit. | 09-19-2013 |
20130241410 | CONTROL DEVICE FOR LIGHTING LED AND DETECTING BREAKAGE THEREOF - A control device includes a plurality of LED arrays connected in parallel to one another, each of the plurality of LED arrays including one or more LEDs connected in series and a resistance element connected in series to the LEDs, a voltage application circuit that applies a voltage to the plurality of LED arrays, a switching element disposed between the plurality of LED arrays and a ground, a voltage detection circuit having an end connected between the switching element and the plurality of LED arrays, a capacitor having an end connected between the switching element and the plurality of LED arrays, and another end connected to the ground, and a control circuit that controls the voltage outputted from the voltage application circuit and switching of conduction states of the switching element, and reads a voltage from the voltage detection circuit. | 09-19-2013 |
20130237189 | COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND PORTABLE MACHINE - A communication system includes an object communication unit provided in a controlled object, a portable machine having an identification code registered in the controlled object, the portable machine including a portable machine communication unit conducting wireless communications with the object communication unit, and a portable terminal including a portable terminal communication unit conducting wireless communications with the object communication unit and the portable machine communication unit. The controlled object includes a communication identification code generation unit generating a communication identification code at predetermined timing, the communication identification code being necessary for the portable terminal to control the controlled object, the communication identification code differing for every generation, an authentication unit authenticating a signal containing a control description which the object communication unit receives from the portable terminal communication unit; and an object control unit controlling the controlled object, based on the control description acquired from the authentication unit. | 09-12-2013 |
20130234827 | COMMUNICATION SYSTEM AND PORTABLE MACHINE - A communication system includes a portable machine having an identification code registered in a controlled object, the portable machine being capable of conducting wireless communications with the controlled object, and a portable terminal being capable of conducting noncontact wireless communications with the portable machine, wherein after noncontact wireless communications start between the portable machine and the portable terminal, the noncontact wireless communications are inhibited when a predetermined condition is satisfied, and then do not resume unless a specified instruction is given. | 09-12-2013 |
20130220785 | SWITCH DEVICE - A switch device has an operating unit, a circuit board having a contact unit that is switched according to the operation of the operating unit, a case having the operating unit at an upper section thereof, an opening at a lower section thereof, and the circuit board inside thereof, and a cover that is fitted to the opening of the case to close the opening. A thin hinge and a flange continuous to the hinge are formed integrally with the case along a side wall at a lower end of the side wall of the case. The flange is folded and bent on the hinge, so that a clearance defined between the case and the cover is covered with the flange. | 08-29-2013 |
20130220063 | SWITCH DEVICE - A switch device has a container that contains a contact therein, a rectangular frame-like cylinder disposed at an upper portion of the container, an operating knob that closes an opening formed at an upper end of the cylinder, is pivotally supported by the cylinder via a shaft, and is pivotally operated to open or close the contact, and plungers disposed on both side walls of the cylinder, vertical to a pivotal surface of the operating knob, across the lateral width of the side walls. Each of the plungers projects from one out of the side wall of the cylinder and the side wall of the operating knob, corresponding to the side wall of the cylinder, so as to be linearly brought into elastic contact with the other side wall across the lateral width irrespective of a pivotal state of the operating knob. | 08-29-2013 |
20130076484 | WIRELESS COMMUNICATION DEVICE AND COMMUNICATION CONTROL METHOD - A wireless communication device for a vehicle conducts wireless communication with a vehicle portable key through an antenna including a resonant circuit. The wireless communication device has a transmitting circuit that transmits a signal from the antenna, and a control circuit that supplies an inversion carrier wave in which a phase of a carrier wave is inverted to the transmitting circuit for a predetermined time after a modulated signal in which the carrier wave is modulated by transmission data is transmitted from the antenna. | 03-28-2013 |
20130076125 | LOAD CONTROL DEVICE - A load control device controls a load of a vehicle based on a signal inputted from a manipulation part manipulated by a user. The load control device includes a first command part that issues a first command to supply an electric power to the load based on the signal from the manipulation part, and outputs a predetermined operating signal when operating normally, a second command part that issues a second command to supply the electric power to the load when the operating signal is not inputted from the first command part, and an electric-power supply controller that controls the supply of the electric power to the load based on the first command or the second command. | 03-28-2013 |
20130069493 | MOTOR CONTROL DEVICE - A motor control device has a square metallic board, an electric-motor driving switching element mounted on the metallic board, a printed board disposed above the metallic board, a case that accommodates the metallic board and the printed board, a connection portion disposed on a side surface of the case, perpendicular to the metallic board and the printed board, that connects an electric motor and the switching element, an electric-motor controlling semiconductor element mounted in a square region of the printed board located immediately above the metallic board, a power supply component and a connector mounted outside the square region of the printed board, and a terminal that connects board surfaces of the metallic board and the printed board. | 03-21-2013 |
20130063152 | ELECTRIC LEAKAGE SENSING APPARATUS - An electric leakage sensing apparatus includes a coupling capacitor having one end connected to a DC power supply, a pulse generator that supplies a pulse to the other end of the coupling capacitor, a voltage detector that detects a voltage at the coupling capacitor charged by the pulse, an electric leakage determination part that compares the voltage detected by the voltage detector to a threshold value, and makes a determination of existence or non-existence of an electric leakage of the DC power supply based on a comparison result, and a booster circuit that applies a boosted pulse voltage to the coupling capacitor. The pulse generator converts an output voltage of the booster circuit into the pulse voltage. The voltage detector includes an offset voltage generating circuit that generates an offset voltage. | 03-14-2013 |
20130062936 | LOAD CONTROL DEVICE - A load control device controls a load of a vehicle based on a signal inputted from a manipulation part manipulated by a user. The load control device includes a first command part that issues a first command to supply electric power to the load based on the signal from the manipulation part, a monitor that monitors existence or non-existence of an abnormality of the first command part, and outputs a reset signal in order to reset a state of the first command part when the abnormality of the first command part is detected, a second command part that issues a second command to supply the electric power to the load when the reset signal is inputted from the monitor, and an electric-power supply controller that controls the supply of the electric power to the load based on the first command or the second command. | 03-14-2013 |
20130057218 | DEVICE AND METHOD FOR CONTROLLING CHARGE OF ASSEMBLED BATTERY - An assembled-battery charge control device controls charge of an assembled battery including a plurality of secondary batteries connected in series. The assembled-battery charge control device includes a discharge circuit that includes a series circuit of a resistor and a switching element, the series circuit being connected in parallel with each battery of the assembled battery, and the discharge circuit allowing the battery corresponding to the switching element to discharge by turning on the switching element. The assembled-battery charge control device also includes voltage detection unit that detects a voltage at each battery of the assembled battery and a control unit that determines the battery that needs suppression of the charge based on the voltage at each battery detected by the voltage detection unit, and turns on the switching element corresponding to the battery. | 03-07-2013 |
20130054095 | POSITION DETECTION SYSTEM AND POSITION DETERMINATION METHOD - A radio-wave-transmitting-body position detection system in a vehicle system has a plurality of electronic control devices that are included in a vehicle, and a radio wave transmitting body that transmits a radio signal to the plurality of electronic control devices. The electronic control devices conduct communication with each other using the radio signal. Each electronic control device includes a first electronic control device that conducts communication with the other electronic control device and the radio wave transmitting body using the radio signal, and controls a device included in the vehicle based on a content of the radio signal transmitted from the radio wave transmitting body. The electronic control devices except the first electronic control device include a first transmitting/receiving unit that transmits and receives the radio signal. | 02-28-2013 |
20130038262 | MOTOR CONTROL DEVICE - A motor control device has a drive circuit that drives an electric motor with a battery as a power supply, a switch element that is provided between the battery and the drive circuit, the switch element supplying a current from the battery to the drive circuit when being put into an on state, the switch element cutting off the current from the battery to the drive circuit when being put into an off state, a voltage detector that detects a voltage at the drive circuit, and a controller that operates the drive circuit to control the electric motor. The controller turns on the switch element when the voltage at the drive circuit, which is detected by the voltage detector, is greater than or equal to a first predetermined value during stopping of the control of the electric motor. | 02-14-2013 |
20130038251 | MOTOR CONTROL DEVICE - A motor control device has a drive circuit that drives an electric motor with a battery as a power supply, a switch element that is provided between the battery and the drive circuit, the switch element supplying a current from the battery to the drive circuit when being turned on, the switch element cutting off the current from the battery to the drive circuit when being turned off, a rotation speed detector that detects a rotation speed of the electric motor, and a controller that operates the drive circuit to control the electric motor. The controller turns on the switch element when the rotation speed of the electric motor, which is detected by the rotation speed detector, is greater than or equal to a first predetermined value during stopping of the control of the electric motor. | 02-14-2013 |
20130033209 | MOTOR CONTROL DEVICE - A motor control device has a motor driving circuit for driving a motor, a current detection circuit for detecting a motor current flowing through the motor driving circuit, and a controller for calculating a detected value of the motor current based on an output of the current detection circuit, comparing the detected value with a target value of the motor current, and generating a command value for allowing a motor current of the target value to flow through the motor based on a deviation therebetween, to output the command value to a motor driving circuit. The current detection circuit is configured of a first current detection circuit having a positive first gain and a second current detection circuit having a negative second gain obtained by inverting the first gain. | 02-07-2013 |
20130014213 | VEHICLE CONTROL SYSTEM AND AUTHENTICATION METHOD - A vehicle control system has a plurality of electronic control devices that are included in a vehicle, a radio wave transmitting body that transmits operation information operating a device included in the vehicle and unique radio-wave-transmitting-body identification information using a radio signal, a first electronic control device that transmits and receive the radio signal to and from a second electronic control device and the radio wave transmitting body, and the second electronic control device that transmits and receive the radio signal to and from the first electronic control device and the radio wave transmitting body. The first electronic control device includes a first storage in which the radio-wave-transmitting-body identification information on the radio wave transmitting body or identification information on the second electronic control device is stored, and a first transmitting/receiving unit that transmits and receives the radio signal. | 01-10-2013 |
20130013129 | VEHICLE CONTROL SYSTEM, ELECTRONIC CONTROL DEVICE, AND COMMUNICATION METHOD - A vehicle control system has a radio wave transmitting body that transmits information using a radio signal, a first electronic control device that receives the radio signal from the radio wave transmitting body, and a second electronic control device that receives the radio signal from the radio wave transmitting body. The first electronic control device includes a first transmitting/receiving unit that transmits and receives the radio signal, a first information acquisition unit that acquires the information, which is transmitted from the radio wave transmitting body, from the radio signal received by the first transmitting/receiving unit, and an information repeater that passes the information acquired by the first information acquisition unit to the second electronic control device by transmitting the radio signal from the first transmitting/receiving unit. | 01-10-2013 |
20130009587 | MOTOR CONTROL DEVICE - A motor control device has a motor driving unit that drives a motor, a current detecting unit that detects a motor current flowing through the motor, a control unit that compares a detected current value of the motor current detected by the current detecting unit with a target current value to obtain a deviation, to control the motor driving unit based on the deviation, and a compensation unit that sets as a current offset value a detected current value of a drift current detected by the current detecting unit in a state where the motor current is regarded as zero, to compensate the detected current value of the motor current by the current offset value. The compensation unit sets a target offset value according to the current value of the detected drift current to correct the current offset value stepwise until the current offset value reaches the target offset value. | 01-10-2013 |
20130008768 | SWITCH - A switch has a first leaf spring having a first contact, the first contact being formed in a V shape and including two inclined surfaces, a second leaf spring having a second contact facing the first contact, the second contact being formed in a convex shape and including vertexes facing the inclined surfaces, respectively; and a pressing unit that presses the first leaf spring or the second leaf spring. When the pressing unit presses the first leaf spring or the second leaf spring, the inclined surface on a first side of the first contact and the vertex on a first side of the second contact come in contact with each other, and the vertex on the first side of the second contact slides on the inclined surface on the first side of the first contact. | 01-10-2013 |
20120325636 | POWER WINDOW SWITCH - A power window switch has a case, a substrate disposed in the case, a window operation knob disposed on the case, a window lock button disposed on a front side of the window operation knob on the case, a window operation switch mechanism disposed in the case and activated in accordance with an operation of the window operation knob, a window lock switch mechanism disposed in the case and activated in accordance with an operation of the window lock button, and a connector having a terminal with a first terminal end protruding from the case and a second terminal end connected to the substrate. The window lock switch mechanism includes two conductive plate springs, and a pressing unit for pressing the plate springs. | 12-27-2012 |
20120299599 | ELECTRIC LEAKAGE SENSING APPARATUS - An electric leakage sensing apparatus includes a pulse generator that supplies a pulse to a coupling capacitor, a voltage detector that detects a voltage at the coupling capacitor, an electric leakage determination unit that compares the voltage detected by the voltage detector to a threshold and determines existence or non-existence of an electric leakage of a DC power supply based on a comparison result, a pre-check circuit that puts the DC power supply into a pseudo electric leakage state, a diagnostic unit that diagnoses whether the electric leakage determination unit determines that the electric leakage exists when the DC power supply is put into the pseudo electric leakage state, and terminals to which cables are connected. A current route from the pulse generator to the pre-check circuit through the coupling capacitor and the cables is formed when the DC power supply is put into the pseudo electric leakage state. | 11-29-2012 |
20120253553 | VEHICLE CONTROL DEVICE - A vehicle control device mounted on a vehicle for performing communication with a mobile device and performing predetermined control in accordance with communication contents with the mobile device, having a locking operation unit that locks or unlocks doors of the vehicle, interior signal transmitting and receiving units that detect a position of the mobile device left in an interior of the vehicle in a case where a locking operation is performed by the locking operation unit, and an interior lamp drive control unit that lights an interior lamp among a plurality of interior lamps provided in the interior of the vehicle, the interior lamp being close to the position of the mobile device based on information of the position detected by the interior signal transmitting and receiving units. | 10-04-2012 |
20120245794 | POWER SOURCE CONTROL DEVICE AND METHOD, AND POWER MANAGEMENT SYSTEM - A power source control device provided in a vehicle including a plurality of power supply devices that supply power from a power source to respective corresponding loads includes a total current detecting unit that detects a total current value, which is a summation of load current values, based on the load current values that are supplied from the power supply devices to the loads and are detected in the respective power supply devices; and a power supply control unit that selects the load to which the supply of the power is to be stopped, based on a predetermined priority so that the total current value becomes equal to or lower than a predetermined total current threshold when the total current value exceeds the total current threshold, and notifies the power supply device corresponding to the selected load of the stop of the power supply. | 09-27-2012 |
20120239249 | IN-VEHICLE INSTRUMENT CONTROL DEVICE - An in-vehicle instrument control device, that controls a power source of a plurality of in-vehicle instruments operated by power from the power source provided in a vehicle, includes a plurality of operation units to operate the respective in-vehicle instruments; and a plurality of power source control units that are each provided between the operation unit and the power source, and the in-vehicle instrument, and each supply the power from the power source to the in-vehicle instrument when a predetermined operation signal is inputted from the operation unit. | 09-20-2012 |
20120236957 | TRANSMITTING DEVICE AND TRANSMITTING METHOD - A transmitting device that transmits a FSK-modulated wireless signal to a receiving device includes a controller that determines a transmitting content transmitted to the receiving device and a value of a maximum frequency shift in the FSK modulation, and outputs output information including the transmitting content, the value of the maximum frequency shift, and a value of a center frequency in the FSK modulation; a generator that generates a FSK modulation signal based on the transmitting content, the value of the maximum frequency shift, and the value of the center frequency, which are output from the controller; and a transmitting antenna that transmits the FSK modulation signal, which is generated by the generator, in a form of a wireless signal. | 09-20-2012 |
20120235472 | POWER SOURCE CONTROL DEVICE AND METHOD, AND POWER MANAGEMENT SYSTEM - Power to a load may be continued even if abnormality occurs in a load current value supplied to the relevant load of a vehicle. Load control units supply power from a battery to corresponding loads, respectively, and detect load current values. A power source management unit detects a total current value, based on the load current values detected by the load control units. Where the load control unit in which the load current value exceeds a load current threshold is present, when the total current value exceeds a total current threshold, the power source management unit causes the supply of the power from the relevant load control unit to the load to be stopped. When the total current value is equal to or lower than the total current threshold, the power source management unit continues the supply of the power from the relevant load control unit to the load. | 09-20-2012 |
20120234661 | SWITCH DEVICE - A switch device includes an operation knob; a supporting shaft that swingably supports the operation knob; a board substantially parallel to the supporting shaft; a first push button switch located on one side of a surface that includes the supporting shaft and is perpendicular to the board, and provided on the board to be operated by swing of the operation knob; a second push button switch located on another side of the perpendicular surface, and provided on the board to be operated by the swing of the operation knob; and a third push button switch intersecting the perpendicular surface, and provided on the board to be operated by the swing of the operation knob. A first point of effort of a force acting on the first push button switch in the operation knob is located on the one side, spaced from the perpendicular surface. | 09-20-2012 |
20120228101 | SWITCH DEVICE - A switch device has a case, an operation knob disposed above the case, and a connector disposed under the case. The connector has connection terminals and a housing supporting the connection terminals, the housing being formed with an opening portion from which the connection terminals are led out. The case is provided with an impervious wall extending downward from the case so as to be opposed to both side surfaces of the housing parallel to a leading-out direction of the connection terminals. The impervious wall is arranged across a gap from each of the both side surfaces of the housing. | 09-13-2012 |
20120223575 | POWER CONVERSION APPARATUS AND POWER CONTROL METHOD - Charge efficiency of normal charge is improved without restricting an operation of a low-voltage load of an electric vehicle during the normal charge. During a charge of a high-voltage battery of a vehicle, when a determination of the normal charge is made, and when a determination that a mode switching target load is not operated is made, power saving mode transition processing is performed. Therefore, an operating mode of a DC-DC converter, which steps down a voltage at the high-voltage battery and supplies the stepped-down voltage to a low-voltage battery and a low-voltage load, is set to a power saving mode in which consumption power is reduced compared with a normal mode. When a determination that a start-up manipulation of the mode switching target load is performed is made, the operating mode of the DC-DC converter is changed to the normal mode. | 09-06-2012 |
20120206153 | ELECTRIC LEAKAGE DETECTION APPARATUS - An electric leakage detection apparatus may quickly detect an electric leakage. An electric leakage detection apparatus includes a pulse generator that supplies a pulse to a coupling capacitor, a voltage detector that detects a voltage at the coupling capacitor, an electric leakage determination unit that compares the voltage detected by the voltage detector to a first threshold and determines presence or absence of the electric leakage of a DC power supply based on a comparison result. The electric leakage detection apparatus also includes a discharge determination unit that compares the voltage detected by the voltage detector to a second threshold lower than the first threshold and determines whether the detection voltage becomes lower than the second threshold by a discharge of the coupling capacitor. The pulse generator generates a new pulse when the discharge determination unit determines that the detection voltage becomes lower than the second threshold. | 08-16-2012 |
20120206152 | ELECTRIC LEAKAGE DETECTION APPARATUS - An electric leakage detection apparatus may quickly detect an electric leakage. An electric leakage detection apparatus may include a pulse generator that supplies a pulse to a coupling capacitor, a voltage detector that detects a voltage at the coupling capacitor, an electric leakage determination unit that compares the voltage detected by the voltage detector with a threshold, and determines presence or absence of the electric leakage of a DC power supply based on a comparison result. The electric leakage detection apparatus may also include a discharge circuit that is operated for a constant time after the pulse falls and forcedly discharges a charge of the coupling capacitor. The pulse generator generates a new pulse when the constant time elapses. | 08-16-2012 |
20120182122 | DETECTION DEVICE, DETECTION SYSTEM AND DETECTION METHOD OF RADIO WAVE TRANSMITTING/RECEIVING BODY - A detection device that detects existence of a radio wave transmitting/receiving body inside a specific space has a first antenna, a second antenna, a controller that controls a first detection signal and a second detection signal that the first antenna transmits to an inside of the specific space, and a disturbing signal that the second antenna transmits, a third antenna that receives a response signal transmitted to the first detection signal and the second detection signal, which have been received by the radio wave transmitting/receiving body, and a determination unit that determines an existence position of the radio wave transmitting/receiving body, based on the response signal received by the third antenna. | 07-19-2012 |
20120125754 | SWITCH DEVICE - In the switch device including the case in which switches are accommodated, tube portions provided on an upper surface of the case, operation knobs swingably provided to the tube portions, operation rods for transmitting movement of the operation knobs to the switches, and the cover covering the upper surface of the case while exposing the operation knobs, projections protruding on the side of the cover are provided on the upper surface of the case, projections protruding on the side of the case are provided on a back surface of the cover, and the projections are arranged in a space between the cover and the case formed when the case is covered by the cover so as to be overlapped with each other when seen from the front and back direction. | 05-24-2012 |
20120109562 | ROTATIONAL ANGLE DETECTION DEVICE - A rotational angle detection device has a resolver in which an excitation coil, a first output coil and a second output coil are provided on a periphery of a rotor coupled to a rotation shaft, an excitation signal generator circuit that generates an excitation signal and sends the excitation signal to the excitation coil, and a rotational angle calculation unit that performs sampling for respective output signals of the first output coil and the second output coil in a predetermined cycle, and calculates a rotational angle of the rotation shaft based on two sampling signals obtained as a result of the sampling. The excitation signal generator circuit is of a single excitation mode and generates a single excitation signal. | 05-03-2012 |
20120092896 | SWITCHING POWER SUPPLY DEVICE - A system simplification can be achieved by reducing the number of sensors required to detect currents and voltages when an output current is estimated. a switching power supply device | 04-19-2012 |
20120091793 | VEHICLE WINDOW OPENING AND CLOSING CONTROL DEVICE - The driver seat unit and the other-seat unit are connected by the single signal line. A direction of a current passed through a motor is switched using contacts of a window opening switch and a window closing switch in the other-seat unit. When a window closing manipulation is performed by the driver seat unit, the current is passed through a coil of a relay via the contacts of the window closing switch, and a contact of the relay is switched to pass a forward current through the motor. When a window opening manipulation is performed by the driver seat unit, the current is passed through a coil of a relay via the contacts of the window opening switch, and a contact of the relay is switched to pass a reverse current through the motor. | 04-19-2012 |
20120062167 | DC-DC CONVERTER - A DC-DC converter includes a power conversion unit, a load amount detector, a charge detector that detects whether or not a battery is being charged, a switching frequency setting unit, and a switching controller. The load amount detector detects a load amount of the power conversion unit. The switching frequency setting unit sets a switching frequency of a switching element based on the load amount when the charge detector detects that the battery is not being charged, and sets the switching frequency of the switching element to a predetermined value when the charge detector detects that the battery is being charged. | 03-15-2012 |
20120056478 | POWER-SUPPLY CONTROL DEVICE - A power-supply control device for battery having a plurality of cells connected in series has a voltage conversion unit that steps down a voltage at the battery to supply the stepped-down voltage to a first load, a first opening and closing unit that opens and closes a supply path of first power from the battery to the voltage conversion unit and a second load, a battery control unit that detects abnormality of the battery, controls opening and closing of the first opening and closing unit, and is operated by second power supplied from the battery or third power supplied from the voltage conversion unit, the second power being lower than the first power, and a second opening and closing unit that opens and closes a supply path of the second power from the battery to the battery control unit. | 03-08-2012 |
20120032517 | DC-DC CONVERTER - A voltage drop of an output voltage of a DC-DC converter, caused by a wiring resistance, can properly be compensated at low cost. The DC-DC converter is connected to a low-voltage battery through an ignition switch and started up by the ignition switch. A transformation unit transforms a voltage inputted from a high-voltage battery and supplies the voltage to the low-voltage battery. A control circuit calculates a wiring resistance between the transformation unit and the low-voltage battery based on the voltage inputted from the low-voltage battery through the ignition switch in connecting the ignition switch and an output voltage and an output current of the transformation unit. The control circuit corrects a command value of the output voltage of the transformation unit based on the calculated wiring resistance to control the output voltage of the transformation unit. The invention can be applied to a DC-DC converter for electric-powered vehicle. | 02-09-2012 |
20110285335 | MOTOR DRIVE DEVICE - A motor drive device includes an inverter circuit, a driver circuit for outputting a PWM signal to the inverter circuit, a booster circuit for boosting a power supply voltage supplied from a power supply circuit, a fail safe circuit arranged between the inverter circuit and the motor, and a fail safe drive unit for outputting a signal for turning ON/OFF a semiconductor switching element of the fail safe circuit. A boost voltage output from the booster circuit is supplied to the driver circuit and also supplied to the fail safe drive unit. The fail safe drive unit drives the semiconductor switching element of the fail safe circuit by such boost voltage. | 11-24-2011 |
20110273122 | MOTOR DRIVE DEVICE - A motor drive device has an inverter circuit, in which at least three sets of a pair of upper and lower arms including a semiconductor switching element on an upper arm and a lower arm is arranged, for supplying voltage to a motor based on ON/OFF operation of each semiconductor switching element by a PWM (Pulse Width Modulation) signal, an inverter drive unit for outputting the PWM signal to each semiconductor switching element of the inverter circuit, a fail safe circuit, arranged between the inverter circuit and the motor, including a semiconductor switching element for shielding the voltage supply from the inverter circuit to the motor for each phase, and a fail safe drive unit for outputting a signal for turning ON/OFF the semiconductor switching element of the fail safe circuit. | 11-10-2011 |
20110260034 | PHOTO DETECTION DEVICE - A photo detection device, which is disposed in a vehicle, includes a first photo detection element that detects light and a first signal processing unit that performs a predetermined process based on a detection result of the first photo detection element. The photo detection device also includes a first board on which the first photo detection element is mounted and a second board on which the first signal processing unit is mounted. Additionally, the photo detection device includes a holding member that holds the first board and the second board and a housing that accommodates the holding member. The holding member holds the first board and the second board such that the second board is arranged in a second plane different from a first plane in which the first board is arranged. | 10-27-2011 |
20110248656 | MOTOR DRIVE DEVICE - A motor drive device has a drive circuit for driving a motor, and a control section for controlling the drive circuit. The control section has a current command value calculating portion for calculating a current command value, a rotation calculating portion for calculating a rotation angle and an angular speed of the motor, a current command value correcting portion for correcting the current command value based on the rotation angle, a voltage command value calculating portion for calculating a voltage command value based on the current command value, a voltage command value correcting portion for correcting the voltage command value based on the current command value and the rotation angle and the angular speed, and a drive signal generating portion for generating a drive signal based on the voltage command value. | 10-13-2011 |
20110234138 | MOTOR DRIVE DEVICE - A motor drive device has a drive unit having at least three pairs of upper and lower arms including switching elements at each of the upper arm and the lower arm, for driving a motor based on an ON/OFF operation of each of the switching elements by a PWM signal, a single current detection resistor for detecting a current flowing to the drive unit, and a control unit for detecting a current value of a current flowing to each phase of the motor based on the current flowing to the current detection resistor, and outputting the PWM signal to each of the switching elements based on a target current value of each phase and the detected current value of each phase. | 09-29-2011 |
20110221368 | MOTOR DRIVE DEVICE - A motor drive device capable of suppressing generation of torque ripple and abnormal noise includes an inverter, and a control section for controlling the inverter. The control section includes a current command value calculation unit for calculating a current command value, a rotation calculation unit for calculating a rotation angle and an angular speed of the motor, a drive signal generation unit for generating a PWM signal, a correction signal generation unit for generating a correction signal for correcting the PWM signal to compensate for the dead time of the inverter, and an application current setting unit for adding a dead time to the PWM signal corrected by the correction signal and outputting the resulting signal to the inverter. The correction signal generation unit generates the correction signal based on the current command value and the rotation angle and the angular speed calculated by the rotation calculation unit. | 09-15-2011 |
20110202197 | POWER SUPPLY SYSTEM AND POWER SUPPLY CONTROL METHOD - The power supply system, which may be used with an electric car, extends the life of a high voltage battery while minimizing electric power required for vehicle actions. A temperature sensor measures a temperature of the high voltage battery. A controller preferentially drives first loads given first priority among a plurality of loads driven by the high voltage battery, other than a drive motor, based on an electric power amount that the high voltage battery is able to output and an electric power amount required by the drive motor for driving a vehicle when the temperature of the high voltage battery is not higher than a predetermined temperature. The controller preferentially drives in-vehicle devices of the highest priority among in-vehicle devices based on the electric power amount that the high voltage battery is able to output and the required electric power amount of the drive motor for driving the vehicle. | 08-18-2011 |
20110128007 | PORTABLE DEVICE FOR DISPLAYING CHARGE INFORMATION AND CHARGE INFORMATION DISPLAY SYSTEM - A portable device for displaying charge information has a transmission unit for wirelessly transmitting a signal, requesting charge information on a battery, to a controller provided with a unit for detecting a remaining amount of a battery, a reception unit for wirelessly receiving the charge information from the controller, a storage unit for storing charge information received by the reception unit, a display unit for displaying charge information stored into the storage unit, and a charge prediction information calculating unit for calculating prediction information regarding a state-of-charge of the battery based upon charge information stored in the storage unit in the case of the reception unit being unable to receive charge information from the controller after transmitting a signal requesting charge information from the transmission unit. The prediction information calculated by the charge prediction information calculating unit is displayed in the display unit. | 06-02-2011 |