Patent application number | Description | Published |
20080197834 | SIGNAL DETECTING CIRCUIT - The signal detecting circuit has a first amplifier which amplifies the supplied signals and outputs the amplified signals from first and second output terminals; a switch unit which supplies the signals to the first amplifier such that the polarity thereof is reversed between the first and second periods; a first capacitor, one end of which is connected to the first output terminal; a second capacitor, one end of which is connected to the second output terminal; a first switch, one end of which is connected to the other end of the second capacitor; a second amplifier having an inverting input terminal connected to the other end of the first capacitor, a non-inverting input terminal connected to the other end of the first switch, and an output terminal; a second switch which is connected to between the output terminal and the inverting input terminal, a third switch, one end of which is connected to the other end of the second capacitor; a fourth switch, one end of which is connected to the other end of the non-inverting input terminal; a threshold voltage source which is connected to between the other end of the third switch and the other end of the fourth switch; and a reference voltage source which is connected to either one of the other end of the third switch and the other end of the fourth switch. In the first period, the first switch is off, and the second to fourth switches are on; in the second period, the first switch is on, and the second to fourth switches are off. | 08-21-2008 |
20090174401 | MAGNETIC DETECTION CIRCUIT - A magnetic detection element is employed. An output voltage from the magnetic detection element is amplified by an amplifying circuit. A switch circuit is connected between the magnetic detection element and the amplifying circuit. The switch circuit reverses the polarity of the output voltage from the magnetic detection element selectively and inputs an output signal to the amplifying circuit. A comparator compares the output signal from the amplifying circuit and a reference value to output a comparison result. First and second storage circuits are provided to receive output signal from the comparator. An electric power control unit controls at least the electric power to be provided to the magnetic detection element. First and second gated signals are provided to the first and second storage circuits respectively. A signal based on the first and second gated signals is supplied to the electric power control unit. | 07-09-2009 |
20100052671 | MAGNETIC SENSOR AND MAGNETIC MEASUREMENT METHOD - For a Hall element of a magnetic sensor, a current is caused to pass along a +X-direction and a first voltage is measured in a +Y-direction, a current is caused to pass along the +Y-direction and a second voltage is measured in the +X-direction, a current is caused to pass along a −X-direction and a third voltage is measured in the +Y-direction, and a current is caused to pass along a −Y-direction and a fourth voltage is measured in the +X-direction. Then, a calculation is performed which strengthens effects of Hall voltage mutually and weakens effects of offset voltage mutually based on a value of the first voltage and a value of the second voltage, and the result is compared with a reference value. Furthermore, a calculation is performed which strengthens effects of Hall voltage mutually and weakens effects of offset voltage mutually based on a value of the third voltage and a value of the fourth voltage, and the result is compared with the reference value. | 03-04-2010 |
20100237936 | AMPLIFIER CIRCUIT AND MAGNETIC SENSOR - An amplifier circuit, includes: a first amplifier; a second amplifier; a first capacitor connected to the first amplifier; a second capacitor having one terminal connected to the first amplifier, another terminal connected to the second input terminal; and a first switch circuit switching a connection of the output terminal, the another terminal of the first capacitor, the first input terminal and the second input terminal, and switching supplying a reference potential supply, the first switch circuit including: a first state connecting the first input terminal to the second input terminal, connecting the output terminal to the another terminal of the first capacitor, and supplying the second input terminal with the reference potential, a second state connecting the first input terminal to the another terminal of the first capacitor and providing the output terminal and the second input terminal in an open state. | 09-23-2010 |
20110260633 | LIGHT CONTROL APPARATUS FOR LIGHT EMITTING DEVICE AND ILLUMINATION SYSTEM - A light control apparatus for a LED light-emitting device comprises a driving current supply unit supplying an AC current as a driving current via a pair of terminals to the LED light-emitting device including a set of LED elements having mutually different light emission wavelength regions connected in parallel while providing opposite polarities and the pair of terminals provided to supply the driving current to the set of LED elements; an individual amount defining unit defining a positive driving current amount and a negative driving current amount respectively to be supplied to the LED light-emitting device in a positive half cycle and a negative half cycle included in one cycle of the AC current respectively. | 10-27-2011 |
20130009560 | ILLUMINATION LIGHT CONTROL APPARATUS AND LED ILLUMINATION SYSTEM - An LED illumination system comprises a light control apparatus, and an LED illumination instrument including first and second LEDs. The light control apparatus includes: a first control unit determining a total amount of average currents to be supplied to the first and the second LEDs at every predetermined cycle depending on an operation amount of a first operation unit; a second control unit determining a ratio between the average currents to be supplied to the first and second LEDs respectively at the every predetermined cycle depending on an operation amount of a second operation unit; and a supply unit generating currents having the total amount of the average currents and the ratio between the average currents determined by the first and second control units at the every predetermined cycle by using a DC power source and supplying the currents to the LED illumination instrument. | 01-10-2013 |
20130092965 | LIGHT EMITTING DEVICE - An object of the present invention is to provide a light emitting device exhibiting a superior emission efficiency which enables easy adjustment of an emission spectrum. | 04-18-2013 |
Patent application number | Description | Published |
20080236544 | DRIVING AMOUNT CONTROLLER - A driving amount controller for reducing the response delay or erroneous deviation in the control of a driving amount of a controlled system, for example, in the control of the opening of a throttle valve. When a target opening DTHR is varied starting from the condition where the throttle valve is stopped, an ECU | 10-02-2008 |
20080236545 | DRIVING AMOUNT CONTROLLER - A driving amount controller is provided for a vehicle. An ECU on the vehicle reduces a damping output Udamp when the deviation e between the target opening DTHR of the throttle valve and the actual opening DTH is near zero or when a switching function value σ is near zero. This makes it possible to reduce the damping output Udamp immediately after the start of, or immediately before the end of, the control of the opening of the throttle valve when the deviation e or the switching function value σ is near zero, and to realize a high response performance as to the control of the actual opening DTH of the throttle valve. | 10-02-2008 |
20080243357 | DRIVING AMOUNT CONTROLLER - A driving amount controller for reducing a response delay or erroneous deviation in control of a driving amount of a controlled system. The driving amount controller includes an ECU that increases an add-in amount to a duty ratio DUT of a control signal according to an increase in the speed variation ΔDTHR of a target opening DTRH of the throttle valve | 10-02-2008 |
20100017594 | TRANSMITTING METHOD AND TRANSMITTING DEVICE, RECEIVING METHOD AND RECEIVING DEVICE, AND TRANSFER METHOD AND TRANSFER SYSTEM - Data broadcast data, which is broadcast in data broadcasts, is constructed by disposing, for example, EMD (Electric Music Distribution) links required to acquire song data as actual broadcast data, which is broadcast in actual broadcasts by a transmitting device, the actual broadcast data is transmitted, and the data broadcast data wherein the EMD links for the song data in the actual broadcasts are disposed, is transmitted periodically during the transmission of the actual broadcast data. The actual broadcast data and the data broadcast data are received by a user terminal, and the EMD links disposed in the data broadcast data are stored whenever there is an input of an operation to attach a “bookmark”. Thus, audio data such as songs in programs broadcast can easily be acquired by radio. | 01-21-2010 |
20110238261 | ENGINE CONTROL UNIT - An engine control unit includes an anomaly judging section for judging whether or not there is any anomaly in throttle sensors based on the output of the throttle sensors, a throttle motor driving section for controlling the driving of a throttle motor, and a fuel injection control section for controlling the amount of fuel injection at the time of starting an engine by using the fuel injection map for starting. The throttle motor driving section stops the driving of the throttle motor if the throttle sensors are judged to be anomalous, and the fuel injection control section switches the fuel injection map for starting in a normal state into the fuel injection map for starting in an anomalous state at the time of restarting the engine after stopping the engine in a state wherein the throttle sensors are judged to be anomalous. | 09-29-2011 |
20120271923 | TRANSMITTING METHOD AND TRANSMITTING DEVICE, RECEIVING METHOD AND RECEIVING DEVICE, AND TRANSFER METHOD AND TRANSFER SYSTEM - Data broadcast data, which is broadcast in data broadcasts, is constructed by disposing, for example, EMD (Electric Music Distribution) links required to acquire song data as actual broadcast data, which is broadcast in actual broadcasts by a transmitting device, the actual broadcast data is transmitted, and the data broadcast data wherein the EMD links for the song data in the actual broadcasts are disposed, is transmitted periodically during the transmission of the actual broadcast data. The actual broadcast data and the data broadcast data are received by a user terminal, and the EMD links disposed in the data broadcast data are stored whenever there is an input of an operation to attach a “bookmark”. Thus, audio data such as songs in programs broadcast can easily be acquired by radio. | 10-25-2012 |
Patent application number | Description | Published |
20080212417 | Multivalued information reproducing Method and multivalued information reproducing apparatus - A multivalued information reproducing apparatus includes: a light source which emits linear polarized light having a prescribed polarization direction; a first optical system which generates first linear polarized light and second linear polarized light that have different polarization directions using the linear polarized light which is emitted from the light source and makes the two polarized lights input to an optical recording medium in which the polarization directions of recording light are recorded as multivalued information; a second optical system which has a transmission light selecting element that selectively transmits emission light generated when the light passes the first optical system is input to the optical recording medium and by which the emission light that passes the transmission light selecting element is directed to a photo detecting portion in a state where first emission light that has a same polarization direction as the first linear polarized light and second emission light that has a same polarization direction as the second linear polarized light are separated; and a polarization direction judging portion which judges the polarization direction that is recorded in the optical recording medium based on amount of light of the first emission light and amount of light of the second emission light that are obtained by the photo detecting portion. | 09-04-2008 |
20090023497 | GAME SYSTEM, DETECTION PROGRAM, AND DETECTION METHOD - The reduction in real operation objects in game systems that use real operation objects is detected. The quantity of real operation objects, which are repeatedly used by being circulated, is detected, it is judged whether the quantity is sufficient or not, and the judging results are output. For example, in a ball throwing game, balls are used in rotation by repeatedly supplying and recovering the balls. The quantity of balls in circulation is detected, and if the quantity is less than a threshold value, the manager of the game system is notified whether a sufficient quantity of balls is being supplied to the player or not, by for example outputting a warning message. By playing with an insufficient quantity of balls the level of difficulty of the game is essentially increased, so the player will feel that this is unfair. | 01-22-2009 |
Patent application number | Description | Published |
20130162140 | LED LIGHT- EMITTING DEVICE AND INDICATOR PROVIDED WITH THE LED LIGHT EMITTING DEVICE - A first LED emits visible light of an emission color such that with respect to a CIE(1976)L*u*v* color space chromaticity diagram, the chromaticity is exterior to a prescribed white light region wherein the absolute value of a deviation duv from the blackbody radiation locus is at most 0.02 and the color temperature is within a range of from 2,500K to 10,000K, and the deviation duv from the blackbody radiation locus is larger than 0.02, and a second LED emits visible light of an emission color such that with respect to the above chromaticity diagram, the chromaticity is exterior to the prescribed white light region, and the deviation duv from the blackbody radiation locus is smaller than −0.02. | 06-27-2013 |
20130194795 | LIGHT-EMITTING APPARATUS, LIGHTING APPARATUS AND LENS - The light-emitting apparatus includes: a first light-emitting source which emits light of a first chromaticity from a first light-emitting surface; a second light-emitting source which has a second light-emitting surface provided adjacently to the first light-emitting surface and which emits light of a second chromaticity different from the first chromaticity, from the second light-emitting surface; and a lens member having a light-entering surface which is arranged facing the first light-emitting surface and the second light-emitting surface and on which depressions and projections that mix light entering from the first light-emitting source and the second light-emitting source are formed, and a light-exiting surface which radiates light from the first light-emitting source and the second light-emitting source that has entered from the light-entering surface. | 08-01-2013 |
20130241428 | LED ILLUMINATION APPARATUS AND LED ILLUMINATION SYSTEM - An LED lighting apparatus connected to a power source via two electric lines, includes first and second LEDs having different emission spectrum or chromaticity, a switching unit to monitor ON time length of power supplied from the two electric lines periodically to switch a control mode of the first and second LEDs between first and second modes as a condition that the ON time is not changed continues for more than a threshold value, a first control unit to determine, in the first mode, a total amount of average current to be supplied to the first LED and to the second LED depending on the ON time length of the electric power, and a second control unit to determine, in the second mode, a ratio of average currents to be supplied to the first LED and to the second LED depending on the ON time length. | 09-19-2013 |
20130285568 | LED LIGHT-EMITTING DEVICE, TERMINAL COUNT CONVERTER, AND ILLUMINATION APPARATUS - An LED light-emitting device includes: a three-terminal LED circuit which includes a first LED group constituted by a single light-emitting diode or a plurality of light-emitting diodes connected in series, a second LED group constituted by a single light-emitting diode or a plurality of light-emitting diodes connected in series, and an LED common terminal shared by anodes of the first LED group and the second LED group or cathodes thereof, and which has three terminals including both end terminals of the LED groups; and a three-terminal regulator circuit which includes a first regulating unit constituted by a unidirectional current regulator circuit, a second regulating unit constituted by a unidirectional current regulator circuit, and a regulator circuit common terminal connected with the first regulating unit and the second regulating unit and shared by anodes or cathodes thereof so as to exhibit a reverse polarity with respect to the three-terminal LED circuit. | 10-31-2013 |
20140191655 | CIRCUIT BOARD FOR SUPPORTING SEMICONDUCTOR LIGHT-EMITTING DEVICE MOUNTED THEREON, LIGHT-EMITTING MODULE, LIGHTING APPARATUS, AND LIGHTING SYSTEM - The present invention provides a technology related to an improvement in the performance of releasing heat generated in a semiconductor light-emitting device. In a light-emitting module including a semiconductor light-emitting device provided with at least a semiconductor light-emitting element and a phosphor, and a circuit board, on the circuit board, at least a semiconductor light-emitting device including a plurality of semiconductor light-emitting elements each having a different path of a drive current to be supplied thereto, or a plurality of semiconductor light-emitting devices each having a different path of a drive current to be supplied to the semiconductor light-emitting elements is mounted. The circuit board is provided with a base material portion formed using a heat-conducting material, and a power supply conductor layer for supplying the drive currents of the semiconductor light-emitting elements to the semiconductor light-emitting device. The power supply conductor layer is planarly formed using a heat-conducting material, so as to cover a planar surface of the base material portion, and the planar region of the power supply conductor layer is planarly divided by an insulator for each drive current path. | 07-10-2014 |