| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 327518000 | WITH PARTICULAR CONTROL | 35 |
| 20080246532 | METHOD FOR CONTROL OVER MECHANICAL RESONANT SYSTEM - Systems and methods are provided for automatically driving and maintaining oscillation of an assembly system including a mass and a bias member (which may also be referred to as a spring or elastomeric member) at or near a resonant frequency of the assembly system. In one example, apparatus for maintaining oscillation of a moveable subassembly including a mass and a bias comprises a controller operable to receive a signal from a sensor associated with a position or motion of the subassembly, and generate a drive signal for driving the subassembly in response to the received signal from the sensor. In this manner, the controller may monitor the motion of the subassembly and adjust or modulate the driving force over time to maintain the subassembly at or near a resonant frequency. Further, in one example, the subassembly includes a resonant engine comprising a movable mirror of an illumination device. | 10-09-2008 |
| 20090096505 | SYSTEMS, CIRCUITS AND METHODS FOR REDUCING THERMAL DAMAGE AND EXTENDING THE DETECTION RANGE OF AN INSPECTION SYSTEM - Inspection systems, circuits, and methods are provided to enhance defect detection by reducing thermal damage to large particles by dynamically altering the incident laser beam power level supplied to the specimen during a surface inspection scan. In one embodiment, an inspection system includes an illumination subsystem for directing light to a specimen at a first power level, a detection subsystem for detecting light scattered from the specimen, and a power attenuator subsystem for dynamically altering the power level directed to the specimen based on the scattered light detected from the specimen. For example, the power attenuator subsystem may reduce the directed light to a second power level, which is lower than the first, if the detected scattered light exceeds a predetermined threshold level. In addition reducing thermal damage, the systems and methods described herein may be used to extend the measurement detection range of an inspection system by providing a variable-power inspection system. | 04-16-2009 |
| 20090267680 | POWER DRIVING DEVICE FOR ELECTRONIC DEVICE - The present invention discloses a power driving device for an electronic device, comprising: a data input terminal capable of receiving a sequential data comprising at least a first power control sequential data and at least a second power control sequential data; an operation module capable of performing operation on the first power control sequential data and the second power control sequential data to generate a control signal; and a power control module coupled to the operation module to generate at least an output power according to the control signal. Therefore, the control signal can be used to control various power states of an electronic device. | 10-29-2009 |
| 20090284305 | Apparatus for Detecting a State of Operation of a Power Semiconductor Device - An embodiment of the invention relates to an apparatus including a power semiconductor device and a processor coupled thereto. The processor is configured to provide a control signal to the power semiconductor device to regulate an output characteristic of the apparatus. The processor models an internal characteristic of the power semiconductor device and alters the control signal if the modeled internal characteristic crosses a threshold value. In an exemplary embodiment, the internal characteristic is a channel temperature of a MOSFET. A sensor such as a thermistor is coupled to or included within the processor to sense a parameter separate from the power semiconductor device, such as a processor temperature, and the processor is configured to adapt the modeled internal characteristic to the sensed parameter. | 11-19-2009 |
| 20090295459 | Temperature control device - A temperature control device for controlling temperature of semiconductor device. The temperature control device comprising, a leak current detection unit for detecting leak current of the semiconductor device, and a temperature control unit for controlling temperature of the semiconductor device so that the leak current is within predetermined current range, if the leak current exceed the predetermined current range. | 12-03-2009 |
| 20100176870 | Semiconductor device and operation mode switch method - A semiconductor device has: a pull-up circuit connectable to an internal terminal; a pull-down circuit connectable to the internal terminal; and an operation mode switch circuit. The operation mode switch circuit switches an operation mode based on a potential of the internal terminal when the pull-up circuit is connected to the internal terminal and a potential of the internal terminal when the pull-down circuit is connected to the internal terminal. | 07-15-2010 |
| 20100182072 | PATCH PANEL - A patch panel includes a connector, a first switch circuit, a number of output circuits, a number of output terminals, and a complex programmable logic device (CPLD). The CPLD is capable of receiving a control signal from a controller via the connector, and sending the control signal to one of the output terminals via the first switch circuit, for signaling the controller to communicate to a peripheral device connected to the output terminal. | 07-22-2010 |
| 20100201432 | Multi-layered semiconductor apparatus - Provided is a multi-layered semiconductor apparatus with improved heat diffusion and improved heat release. The multi-layered semiconductor apparatus ( | 08-12-2010 |
| 20100301925 | PRESSURE SENSITIVE SWITCH AND INPUT DEVICE USING PRESSURE SENSITIVE SWITCH - There is provided a pressure sensitive switch including: a cover; a slide portion that is stored in the cover and is slidable by being pressed in a horizontal direction; a pressing unit including a pressure portion that has an inner side face brought into contact with the slide portion and can be moved by being pressed by the slide potion; a sheet resistive body that has an upper face brought into contact with the pressing unit; and a conductive plate that is disposed on the lower side of the sheet resistive body with a predetermined gap arranged therebetween. The slide portion is slidable within a horizontal plane, and the pressing portion presses the sheet resistive body by sliding the slide portion, and a resistance value between the sheet resistive body and the conductive plate changes in accordance with a change in a slide operation force for sliding the slide portion. | 12-02-2010 |
| 20110080208 | LOW POWER DESIGN USING A SCAN BYPASS MULTIPLEXER AS AN ISOLATION CELL - In an example embodiment there is described herein an apparatus, comprising a device having an input and an output, a controllable selecting device having a first input coupled to input of the device and a second input coupled to the output of the device, and a selection control circuit having a test input for receiving a test signal and a power mode input for receiving a power mode signal. The selection control circuit is coupled to the controllable selecting device and operable to control which input the controllable selecting device selects. The selection control circuit is configured to select the first input to isolate the device responsive to the test signal indicating no testing is being performed the power mode signal indicating a low power mode. | 04-07-2011 |
| 20110102062 | MULTI-SUPPLY VOLTAGE COMPATIBLE I/O RING - Systems and methods for achieving multiple supply voltage compatibility of an input/output (I/O) ring of an integrated circuit (IC) chip. The IC chip includes a core surrounded by the I/O ring which includes a voltage detector circuit. An I/O supply voltage of the IC chip is sensed by the voltage detector circuit to generate a control signal. The control signal is used to configure the I/O ring to operate at the I/O supply voltage of the I/O ring, thus enabling the IC to operate at multiple supply voltage levels. | 05-05-2011 |
| 20110128066 | MOTOR DRIVING APPARATUS - If a power supply is provided to a circuit necessary to control a switch for switching a path after wakeup, or if a buckle switch is switched while a microcomputer is asleep, an electrical current necessary for reliable operation of the buckle switch cannot be supplied during sleep, so that the buckle switch will not operate normally. This creates the possibility that wakeup cannot be performed. To permit the electrical current necessary for reliable operation of the buckle switch to be secured if the buckle switch is switched while the microcomputer is asleep, an FET capable of being kept ON or OFF by a power supply acting during sleep, a resistor connected with the FET, and a resistor of large resistance for blocking excessive dark current if the buckle switch is connected are arranged in parallel. The combined resistance of the parallel combination of these elements is used as a pull-up resistance at the input of a control unit. | 06-02-2011 |
| 20110148508 | CONTROL CIRCUIT OF CYCLING SWITCH AND CONTROL METHOD THEREOF - A control circuit of a cycling switch for controlling an electronic equipment includes a switch loop, a first control loop and a second control loop. The switch loop generates a driving signal to drive the electronic equipment. The first control loop is electrically connected with the switch loop and the electronic equipment respectively, and generates a first control signal according to a variation of the driving signal. The second control loop is electrically connected with the first control loop and the electronic equipment respectively. The second control loop has a storage unit which charges and discharges according to the first control signal, so that the second control loop generates a second control signal. The second control signal is inputted to the first control loop and controls the electronic equipment. A control method applied to the control circuit of the cycling switch is also disclosed. | 06-23-2011 |
| 20110187442 | LATCH-CONTROL PROTECTION CIRCUIT - A latch-control protection circuit applied in a power converter is provided. The protection circuit has a comparing circuit unit and a logic gate. The comparing circuit unit is utilized to selectively output a default signal or a comparing signal according to a state signal from the logic gate, wherein the default signal is utilized for latching the state signal and the comparing signal is corresponded to the power condition of the power converter. The logic gate generates the state signal according to the output signal of the comparing circuit unit and a system judging signal. The output signal may be the default signal or the comparing signal. The system judging signal indicates the condition of the power converter. | 08-04-2011 |
| 20110193617 | SEMICONDUCTOR CARD - Portability of an electronic device with a semiconductor card is improved. The semiconductor card is insertable to a card slot in an electronic device, can engage a card socket formed inside the card slot, and has a base part and an expansion part. The base part has a terminal part and a first connection unit, and engages the card socket with the terminal part. The expansion part has a second connection unit, and can be moved between two positions when the second connection unit is connected to the first connection unit, a closed position where the expansion part is overlapping and substantially parallel to the base part, and an open position where the expansion part is extended at an angle greater than a perpendicular with respect to the base part. When the expansion part is in the closed position and the terminal part is engaged in the card socket, the expansion part and the base part are inserted to the card slot. When in the open position with the terminal part engaged in the card socket, the base part is inserted to the card slot and part of the expansion part protrudes from the card slot. | 08-11-2011 |
| 20110267135 | ELECTRONIC APPARATUSES AND ELECTRONIC SYSTEMS USING THE SAME FOR PROVIDING SUPPLY VOLTAGE TO EXTERNAL DEVICES - An electronic apparatus for providing supply voltage to a first external device with a predetermined pin assignment specification is provided. The electronic apparatus includes a connection interface and a voltage supplier. The connection interface includes a first pin and a second pin. The voltage supplier provides a detection voltage signal to the first pin and determines whether to provide the supply voltage according to whether the second pin is at a first level in response to the detection voltage signal. When the second pin is at the first level in response to the detection voltage signal, the voltage supplier provides the supply voltage to the first pin. | 11-03-2011 |
| 20120025897 | DRIVE UNIT FOR DRIVING VOLTAGE-DRIVEN ELEMENT - A drive unit comprises a first connector, second connector, switching element, and controller. The first connector is configured to be connected with a gate resistor of a voltage-driven element. The second connector is configured to be connected with a driving power source. A first input-output terminal of the switching element is connected to the first connector, and a second input-output terminal thereof is connected to the second connector. The controller is connected to a control terminal of the switching element, and controls a voltage input to the control terminal of the switching element. The controller has an error amplifier, reference power source, and switch. One input terminal of the error amplifier is connected to the reference power source, an other input terminal thereof is connected to the first connector, and an output terminal thereof is connected to the control terminal of the switching element. One end of the switch is connected to the second connector, and an other end thereof is connected to the control terminal of the switching element. | 02-02-2012 |
| 20120038413 | VOLTAGE ADJUSTING CIRCUIT AND MOTHERBOARD INCLUDING THE SAME - A voltage adjusting circuit includes a voltage regulator module (VRM), a control chip, a connection device, and a number of first resistors. The VRM includes an input receiving a first voltage from a motherboard, and an output connected to a liquid crystal display (LCD). A number of sense terminals of the control chip are connected to the LCD to sense current of the LCD. A driven terminal of the control chip is connected to a control terminal of the VRM to output corresponding driven signals to control the VRM to output corresponding voltage to the LCD. A first terminal of each first resistor is connected to a corresponding sense terminal of the control chip. A second terminal of each first resistor is grounded. The connection device is configured to cut off or connect the first resistor from or to the corresponding sense terminal of the control chip. | 02-16-2012 |
| 20120256679 | MULTI-LAYERED SEMICONDUCTOR APPARATUS - Provided is a multi-layered semiconductor apparatus with improved heat diffusion and improved heat release. The multi-layered semiconductor apparatus ( | 10-11-2012 |
| 20130033304 | TWO-STAGE PULSE SIGNAL CONTROLLER - An apparatus and method for controlling a device using pulse signals. In the apparatus and method, a two-stage control is used to generate pulse signals, which can be a PWM signal, a pulse signal including a PWM signal with a sleeping time, or a PDM signal. The two-stage control includes a second stage control, which generates pulse signals according to parameter values generated periodically by a first stage according to a target value and feedback sensing values. The two-stage control can be used in decreasing perturbation in a closed-loop control and accurate open-loop control. | 02-07-2013 |
| 20130271206 | ELECTRONIC DEVICE - A CPU outputs a high level ENB signal to a USB-IC via an ENB line and monitors, after outputting the ENB signal, whether or not there is an overcurrent in the USB-IC on the basis of the voltage level of the ENB line. The USB-IC outputs, when it receives the ENB signal, a 5 V voltage to a VBUS line and stops, when an overcurrent occurs, output of the 5 V voltage to the VBUS line. A connector changes the voltage level of the ENB line to a high voltage level using the 5 V voltage of the VBUS line and changes, when output of the 5 V voltage is stopped, the voltage level of the ENB line to a low level. Thus, the ENB line may be shared for outputting the ENB signal from the CPU and for providing notification of an overcurrent from the USB-IC. | 10-17-2013 |
| 327519000 | Plurality of load devices | 4 |
| 20090072885 | Semiconductor Device - A semiconductor device includes a plurality of circuits each independently conducting a predetermined process, and a circuit operation control part controlling operation start timings and operation suspend timings so as to mutually interfere with power voltage fluctuations caused by a state transition between an operation start and an operation suspend for each of the plurality of circuits. | 03-19-2009 |
| 20090174463 | Multi-system module having functional substrate - A multi-system module having a functional substrate includes a substrate comprising therein at least one control circuit units, and a plurality of main circuit units provided on one side surface of the substrate. The main circuit units are electrically connected to the control circuit unit, whereby the control circuit unit is used to manage the operation of the main circuit units. Via the above module structure, the substrate can improve the function of controlling multiple systems. | 07-09-2009 |
| 20100327954 | SEMICONDUCTOR DEVICE - A semiconductor device includes internal voltage generating circuits, a switching circuit, load circuits, a control circuit. Each of the plurality of load circuits is supplied with voltage through the switching circuit from any one of the plurality of internal voltage generating circuits. The control circuit defines connecting combinations by the switch circuit. The control circuit supplies a control signal to the switch circuit, based on the control signal corresponding to the definitions of the connecting combinations. The control circuit allows switching the connecting combinations when the semiconductor device tests in a test mode. The control circuit prohibits switching the connecting combinations in a non-test mode. The switch circuit connects between each of m of the internal voltage generating circuits and each of n of the load circuits through a connecting combination which is selected, based on the control signal, from m | 12-30-2010 |
| 20120274390 | POWER SUPPLY CIRCUIT - The power supply circuit which includes a first power circuit, a second power circuit, and a third power circuit is used for supplying power to loads. The first power circuit is connected between a control terminal of a control circuit and the load, and includes a switching unit including a first terminal, a second terminal, and a switching terminal controlling connection and disconnection between the first terminal and the second terminal The first terminal is connected to a power source, the second terminal is connected to the load, and the switching terminal is connected to the control terminal. The second power circuit and the third power circuit further includes a delay circuit relative to the first power circuit, the delay circuit is connected between the control terminal and the switching terminal, a delay time of the third power circuit is greater than the delay time of the second power circuit. | 11-01-2012 |
| 327520000 | Plural active components included in a controlling circuit | 10 |
| 20080197910 | Input processing circuit and switch input circuit using the same - An input processing circuit implemented on a semiconductor integrated circuit includes an input terminal for receiving an input signal, a first diode coupled between the input terminal and a power line, a second diode coupled between the input terminal and a ground line, a first MOSFET having a gate and drain coupled together to the input terminal, and a source coupled to the ground line, a second MOSFET coupled to the first MOSFET to construct a current mirror circuit, a current-to-voltage conversion circuit coupled between the power line and the second MOSFET to convert an electric current flowing through the second MOSFET to a voltage, and a determination circuit configured to determine a state of the input signal based on a level of the output voltage of the current-to-voltage conversion circuit. | 08-21-2008 |
| 20090295460 | ELECTRONIC DEVICE AND METHOD FOR EVALUATING A VARIABLE CAPACITANCE - An apparatus is provided. The apparatus comprises a digital signal generator, an analog filter, an amplitude modulator, and an analog-to-digital converter (ADC). The digital signal generator has a demodulator and provides a digital excitation signal. The analog filter is coupled to the digital signal generator. The amplitude modulator has a variable capacitor and is coupled to the analog filter. The amplitude modulator also generates an amplitude modulated signal with an amplitude that is a function of the capacitance of the variable capacitor. The ADC is coupled to the amplitude modulator and the demodulator, and the digital signal generator and the demodulator operate synchronously. | 12-03-2009 |
| 20100156509 | SWITCHING MODE POWER SUPPLY FOR REDUCING STANDBY POWER - In accordance with one aspect of the present invention to achieve the object, there is provided a switching mode power supply for reducing standby power including an EMI(Electro-Magnetic Interference) filter unit for removing a high frequency noise component by being connected to an input power source; a PFC(Power Factor Correction) unit connected to the EMI filter unit; a DC/DC unit connected to the PFC unit; a synchronous rectifier unit connected to the DC/DC unit; a PFC controller connected to the PFC unit and provided with an overvoltage protection stage; a DC/DC controller which is connected to the DC/DC unit and generates a burst mode operation signal; a synchronous rectifier controller for controlling the synchronous rectifier unit by being connected to the synchronous rectifier unit; an error signal generation unit for sensing an output voltage to generate an error signal and then transmitting the error signal to the DC/DC controller; a control unit for synchronizing the DC/DC unit and the PFC unit so that the PFC unit also operates in a burst mode if the DC/DC unit operates in the burst mode by connecting the DC/DC controller and the overvoltage protection stage of the PFC controller. | 06-24-2010 |
| 20100207680 | IMPEDANCE CONTROL CIRCUIT AND SEMICONDUCTOR DEVICE INCLUDING THE SAME - To include two counter circuits that change impedances of two replica circuits, respectively, and an impedance adjustment control circuit that controls the counter circuits to update count values of the counter circuits. The impedance adjustment control circuit controls one of the counter circuits to finish updating the count value of the counter circuit in response to a change of the impedance of the corresponding replica circuit from a state of being lower than an impedance of an external resistor to a state of being higher than the impedance of the external resistor, and controls the other counter circuit to finish updating the count value of the other counter circuit in response to a change of the impedance of the other replica circuit from a state of being higher than the impedance of the former replica circuit to a state of being lower than the impedance of the former replica circuit. With this configuration, the adjust errors generated in the replica circuits are canceled. | 08-19-2010 |
| 20100244932 | SYSTEM AND METHOD FOR EFFICIENTLY BOOSTING DRIVE CAPABILITY FOR HIGH-VOLTAGE LINEAR POWER AMPLIFICATION - A system for efficiently boosting drive capability for high-voltage linear power amplification to supply transducers in a print head is provided. A linear power amplifier to drive the transducers in the print head includes a charge pump capacitor to boost the output voltage of the amplifier above the supply rail voltage. The amplifier can provide both positive and negative output pulses to drive the transducers. A distribution switch is used to distribute the output pulses among multiple transducers and a biasing circuit provides proper sequencing and timing signals to generate smooth output pulses. A method for driving a plurality of transducers in a print head using a charge pump capacitor is also provided. | 09-30-2010 |
| 20100259314 | Semiconductor Device and Driving Method Thereof - The invention provides a semiconductor device with high yield by reducing an effect of variations in characteristics of a semiconductor element. Further, by reducing an effect of variations in characteristics of a semiconductor element to improve productivity, an inexpensive semiconductor device can be provided. Further, an inexpensive semiconductor device can be provided by forming a semiconductor device in a large amount over a large substrate such as a glass substrate and a flexible substrate. A semiconductor device of the invention includes a demodulation signal generating circuit and an antenna or a wire for connecting the antenna. The demodulation signal generating circuit includes a demodulation circuit and a correction circuit. The correction circuit corrects a first demodulation signal generated from the demodulation circuit and generates a second demodulation signal. | 10-14-2010 |
| 20100327955 | DISPLAY DEVICE AND ELECTRONIC DEVICE - It is an object to provide a display device which can favorably display a image without delayed or distorted signals. The display device includes a first gate driver and a second gate driver. The first gate driver and the second gate driver each include a plurality of flip flop circuits and a plurality of transfer signal generation circuits. Both the flip flop circuit and the transfer signal generation circuit are circuits which output a signal inputted to a first input terminal with a half clock cycle delay. In addition, an output terminal of the transfer signal generation circuit is directly connected to a first input terminal of the flip flop circuit in the next stage. Therefore, delay and distortion of the signal which is inputted from the transfer signal generation circuit to the flip flop circuit can be reduced. | 12-30-2010 |
| 20110095812 | TRANSMISSION LINE COUPLED TO CIRCUITS AND Q-ENHANCEMENT CELL - Various example embodiments are disclosed. According to an example embodiment, an apparatus may comprise a first circuit, a second circuit, a transmission line coupled between the first circuit and the second circuit, and a Q-enhancement cell coupled to the transmission line. | 04-28-2011 |
| 20110102063 | CURRENT-CONTROLLED RESISTOR - A current-controlled resistor comprises a first input terminal configured to receive an input signal and a second input terminal configured to receive a current control signal. The resistor comprises a first stage configured to receive the current control signal; the first stage includes first and second PN diodes having first terminals of a first type and second terminals of a second type. The first terminals of the first and second PN diodes are coupled each other and a second terminal of the first PN diode is coupled to the first input terminal. The resistor comprises a second stage configured to receive the current control signal; the second stage includes a third PN diode having first and second terminals of the first and second types, the second terminal of the third PN diode being coupled to the second terminal of the second PN diode. | 05-05-2011 |
| 20110260779 | CURRENT BALANCING DEVICE FOR PARALLEL BATTERIES AND CONTROL METHOD THEREOF - A current balancing device for parallel batteries is electrically connected with a load. The current balancing device includes a buck module, a normal module, a current comparing module and a control module. The buck module is electrically connected with a high voltage battery and outputs a first current to the load. The normal module is electrically connected with a low voltage battery and outputs a second current to the load. The current comparing module is electrically connected with the buck module and the normal module, and compares the first current with the second current to output a first comparing signal. The control module is electrically connected with the buck module and the current comparing module, and outputs a control signal to the buck module in accordance with the first comparing signal for adjusting the first current. | 10-27-2011 |
