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| Number | Title | Issue Date |
| 8085030 | Voltage generator having a dynamic resistors feedback control A voltage generator includes a charge pump, a voltage dividing circuit, and a comparator. The charge pump can output a high voltage. The dividing circuit includes a plurality of resistors and at least one switch. The dividing circuit can generate a first divided vol... | 12/27/2011 |
| 8063625 | Momentarily enabled electronic device A circuit or apparatus for providing intermittent or interruptible power to an electronic device. The circuit may provide power upon user initiation and interrupt that power in response to a user command, fault state, period of inactivity and so forth. As one exampl... | 11/22/2011 |
| 8044654 | Adaptive bias current generator methods and apparatus In one aspect, a method of reducing power consumption in a circuit by adaptive bias current generation of a bias current configured to bias, at least in part, at least one amplifier of the circuit is provided. The method comprises establishing the bias current based... | 10/25/2011 |
| 8035368 | Integrated circuit, universal serial bus on-the-go power source and methods for use therewith A universal serial bus on-the-go (USB-OTG) power source includes a direct-current to direct-current (DC-to-DC) converter for generating a source voltage when coupled to a battery. A pulse generator generates an oscillating signal when a USB-OTG enable signal is asse... | 10/11/2011 |
| 7986137 | Circuit for multiplexing digital and analog information via single pin of driver for switched MOSFETs of DC-DC converter Multiple characteristics of a DC-DC converter, such as its mode of operation (e.g., either forced continuous conduction mode, or discontinuous conduction mode), and an operational parameter (such as the dead-time between switching times of the output switching devic... | 07/26/2011 |
| 7834612 | Method and apparatus for regulating voltage in a remote device A system and the method are provided for supplying power to a remote device. In one embodiment, the method involves regulating voltage for at least one device remote from a power source. The regulating includes monitoring a current response of the remote device and ... | 11/16/2010 |
| 7366926 | On-chip supply regulators Integrated circuit chips with on-chip supply regulators with programmability and initialization. In one embodiment, an integrated circuit, includes: an initialization circuit to assert an initialization signal during powering up of the integrated circuit; a control ... | 04/29/2008 |
| 7336463 | Device and method for dimming service loads A device and method are provided for detecting and configuring a solid state dimmer when wired in series or parallel with a load powered by an alternating current (AC) input. The device can comprise a microcontroller configured to be powered by the AC input. A zero-... | 02/26/2008 |
| 7337343 | Arrangement consisting of a program-controlled unit and a power chip connected to it An arrangement including a program-controlled unit and a power chip, the power chip connected to drive electric loads in accordance with load control data, and the program-controlled unit transmitting the load control data and power chip control data, and the power ... | 02/26/2008 |
| 7336272 | Display element and display device A display element included in a display device is provided with a TFT circuit portion and a pixel aperture portion to which an organic EL element material is applied and which emits light in accordance with a current from the TFT circuit portion, as well as a scanni... | 02/26/2008 |
| 7332956 | Method to avoid device stressing A system for protecting a weak device operating in micro-electronic circuit that includes a high voltage power supply from high voltage over stressing prevents the weak device from failing during power-up, power-down, and when a low voltage power supply in a multipl... | 02/19/2008 |
| 7330554 | Volume control apparatus and method thereof A volume control apparatus and a method enable the volume of sound output from a sound output system to be adjusted in units of an increase/decrease interval set by a user, the volume control apparatus controlling the volume of sound output from the sound output sys... | 02/12/2008 |
| 7325749 | Distributed solid state programmable thermostat/power controller A self-contained power controller having a power driver switch, programmable controller, communication port, and environmental parameter measuring device coupled to a controllable device. The self-contained power controller needs only a single voltage source to powe... | 02/05/2008 |
| 7245465 | Voltage regulator A voltage regulator has an output circuit for producing from an input voltage a predetermined output voltage to be supplied to a load, an overcurrent protection circuit for preventing overcurrent in the output circuit, a memory for storing control information fed fr... | 07/17/2007 |
| 7219247 | Methods and apparatus for replacing cooling systems in operating computers An apparatus and method for replacing a CPU cooling system, for example, a fan, while a computer continues to operate has a mechanism for maintenance personnel to signal that cooling fan replacement is about to begin. In response to the signal, a control mechanism c... | 05/15/2007 |
| 7199552 | Control circuit apparatus and power supply circuit control method A microcomputer outputs a command to a control IC to operate first and second loads. The control IC sets first and second DC/DC converters' on-state to operate the first and second loads. The first DC/DC converter converts a voltage of power supplied from a power su... | 04/03/2007 |
| 7177201 | Negative bias temperature instability (NBTI) preconditioning of matched devices An accumulated data-dependent post-manufacture shift in a characteristic of one or more of a pair of matched devices within an integrated circuit may cause a mismatch in the characteristic between the pair of matched devices. This mismatch may be reduced by precondi... | 02/13/2007 |
| 7164259 | Apparatus and method for calibrating a bandgap reference voltage An apparatus and method for producing an output reference voltage is provided. A voltage divider is configured to provide the output reference voltage from a bandgap reference voltage. The bandgap reference voltage is applied across a biased portion of the voltage d... | 01/16/2007 |
| 7155353 | Method for determining charging capacitance of capacitor A method of determining a charging capacitance of a capacitor in an air bag system having an electronic control unit for controlling a gas generator, a bus line having a loop wire extending from the electronic control unit, gas generators connected to the loop wire,... | 12/26/2006 |
| 7092795 | Turbine apparatus and governor for turbine In a turbine apparatus comprising a runner rotatable to be rotationally driven by a water, a gain of a derivative calculation element generating a derivative component of a control signal for controlling a flow rate of the water which derivative component is to be a... | 08/15/2006 |
| 7093142 | Method, apparatus and program for user-determined operational state of a portable computer prior to detachment The present invention facilitates the operational management and usability of a portable computing device by providing an apparatus, method and program product to allow a user to select the operational and power state of a device operably connected with a computer a... | 08/15/2006 |
| 7072744 | Turbine apparatus and governor for turbine In a turbine apparatus comprising a runner rotatable to be rotationally driven by a water, a gain of a derivative calculation element generating a derivative component of a control signal for controlling a flow rate of the water which derivative component is to be a... | 07/04/2006 |
| 7049798 | System and method for communicating with a voltage regulator A system and method is provided for using a point-on-load (“POL”) control unit to program and/or monitor a POL regulator. Specifically, in one embodiment of the present invention, a power supply controller is adapted to provide initial-configuration data to at l... | 05/23/2006 |
| 7047471 | Voltage margin testing of bladed servers A voltage margin testing blade is adapted for use in a bladed server having at least one internal adjustable power supply. The testing blade is further adapted to provide a control signal to the power supply indicative of any desire to modify the output voltage of t... | 05/16/2006 |
| 7047110 | Method and apparatus for controlling a power supply A method for controlling a power supply, the method comprising: forming a front-end to the power supply, the front-end comprising a plurality of digital-to-analog circuits under control of a controller; and programming the controller to control the digital-to-analog... | 05/16/2006 |
| 7012417 | Voltage regulator with stress mode An electronic device incorporates a primary function circuit and a voltage regulator that provides a regulated voltage signal to the primary function circuit. The voltage regulator is responsive to a stress-enable signal indicative of whether or not an external volt... | 03/14/2006 |
| 7000125 | Method and system for controlling and monitoring an array of point-of-load regulators A power control system comprises a plurality of POL regulators, at least one serial data bus operatively connecting the plurality of POL regulators, and a system controller connected to the serial data bus and adapted to send and receive digital data to and from the... | 02/14/2006 |
| 6949916 | System and method for controlling a point-of-load regulator A system and method is provided for using a serial bus to communicate (either passively or actively) with a point-of-load (“POL”) regulator. Specifically, a power supply controller (“controller”) communicates with at least one POL regulators by writing and/o... | 09/27/2005 |
| 6919883 | Charge characteristic compensating circuit for liquid crystal display panel A charge characteristic compensating circuit for a liquid crystal display panel for maintaining a charge characteristic of the liquid crystal display panel independently of ambient temperature change to prevent deterioration of images displayed. A plurality of liqui... | 07/19/2005 |
| 6904583 | Layout method of voltage division resistors With a layout method for voltage division resistors, employing a photolithographic system, resistors which are required to have relative accuracy are disposed in the center of a layout area so as to be adjacent with each other, and another resistor is divided, so th... | 06/07/2005 |
| 6868293 | System and method for energy usage curtailment A system and method are disclosed for performing energy usage management within a network. The system may include an energy management system, such as a thermostat device, that may be associated with an energy consuming entity, such as a residence. A server may be r... | 03/15/2005 |
| 6812590 | Power supply circuit External output terminal 28 is clamped by clamping circuit 20, and a current mirror is configured using diode circuit 23 within clamping circuit 20 and detector transistor 34. When the voltage of external output terminal 28 ... | 11/02/2004 |
| 6704829 | Switch input processing module for switching signal transmission lines to transmit different types of signals The switch input processing module has: a control unit; a first external connection terminal to which either an analog signal of an analog signal system or a serial signal of a serial signal system is supplied; an analog signal transmission and serial sig... | 03/09/2004 |
| 6703893 | Method of setting bi-directional offset in a PWM controller using a single programming pin A user-programmable bi-directional, constant current generator circuit allows external programming of either a positive (+) or a negative (-) polarity output current, for injection into one of two locations of the PWM controller circuit of a DC-DC voltage... | 03/09/2004 |
| 6670798 | Auto power-on, hot-pluggable user interface controller for mailing machines A mailing machine base includes a docking system for a User Interface Controller (UIC) that provides a feedback signal to the mailing machine based on the presence of the UIC. When the UIC is inserted into a docking connector of the mailing machine, the m... | 12/30/2003 |
| 6636026 | Electric appliance capable of saving power consumption It is an object of the present invention to provide an electric appliance that can save the standby power consumption, in particular, to provide an electric appliance that can save the standby power consumption without sacrificing the convenience of a rem... | 10/21/2003 |
| 6553499 | Low power circuit for waking from a sleep mode by using a remote power-on signal An electronic circuit which has a voltage terminal, a switch, a voltage stabilizer and a computer. In addition, an interface terminal is provided, via which the computer can exchange data via an interface. After a supply voltage is applied at the voltage ... | 04/22/2003 |
| 6538864 | Protective circuit for an electronic device The protective circuit for an electronic device is located between a DC source (UV) and the circuit voltage input of the device (G). The protective circuit comprises the serial connection of a diode (DV) and a limiting resistor (R | 03/25/2003 |
| 6424600 | Portable electronic device and control method for controlling the portable electronic device To provide a portable electronic device which is easily shifted into a power save mode at the discretion of an operator, such as a user, and optimally reduces power consumption in accordance with the current use of the device. An operator can force an ele... | 07/23/2002 |
| 6361645 | Method and device for compensating wafer bias in a plasma processing chamber Disclosed is a method and device for compensating a bias voltage on a wafer disposed over an electrostatic chuck in a processing chamber of a plasma processing system. The plasma processing system includes an electrostatic and RF power supplies that are c... | 03/26/2002 |
