Patents
Patents for G05F 3 - Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties (12,739)
05/2006
05/25/2006US20060108994 Low voltage bandgap reference circuit with reduced area
05/24/2006EP1659690A1 Comparator for input voltages higher than supply voltage
05/24/2006EP1658544A1 A constant-voltage circuit
05/24/2006EP1097415B1 Low power voltage reference with improved line regulation
05/24/2006CN1777849A Semiconductor device
05/23/2006US7050024 Predictive control boost current method and apparatus
05/23/2006US7049985 Method and circuit for producing trimmed voltage using D/A converter circuit
05/23/2006US7049882 Transmitter IF section and method enabling IF output signal amplitude that is less sensitive to process, voltage, and temperature
05/23/2006US7049880 High precision digital-to-analog converter with optimized power consumption
05/18/2006WO2006051992A1 Constant current driving device
05/18/2006US20060103449 Semiconductor integrated circuit device and a contactless electronic device
05/18/2006US20060103365 Method and converter circuitry for improved-performance AC chopper
05/17/2006EP1657615A2 Semiconductor device with leakage current compensating circuit
05/17/2006CN1256421C Artificial aging processing method for wine and its high voltage pulse electric field processing device
05/16/2006US7046612 Drive current supply circuit with current mirror
05/16/2006US7046077 Current source circuit and amplifier using the same
05/16/2006US7046076 High efficiency, low cost, charge pump circuit
05/10/2006CN1771656A Drive controlling device, electronic apparatus, drive controlling method for electronic apparatus, drive controlling program for electronic apparatus, recording medium
05/09/2006US7042279 Reference voltage generating circuit
05/09/2006US7042278 Voltage reference circuit with reduced power consumption
05/09/2006US7042276 Charge pump with improved regulation
05/09/2006US7042275 Booster circuit
05/09/2006US7042273 Electronic array having nodes and methods
05/09/2006US7042205 Reference voltage generator with supply voltage and temperature immunity
05/04/2006US20060091875 Reference voltage circuit
05/04/2006US20060091874 Sawtooth wave generating apparatus, a method of generating sawtooth wave, a constant current circuit, and a method of adjusting amount of current from the same
05/04/2006US20060091873 Generating a bias voltage
05/04/2006DE102004052214A1 Ansteuerschaltung einer Strom und/oder Spannungssteuerung einer elektronischen Schaltung Driving circuit of a current and / or voltage control of an electronic circuit
05/03/2006EP1653315A1 An improved voltage down converter
05/03/2006EP1652189A1 Area efficient charge pump
05/03/2006CN1767354A CPU fan circuit with over-voltage protection
05/03/2006CN1254783C Reference voltage generating circuit and method, display drive circuit and display device
05/02/2006US7039384 Low power band-gap current reference
05/02/2006US7038530 Reference voltage generator circuit having temperature and process variation compensation and method of manufacturing same
05/02/2006US7038440 Method of limiting the noise bandwidth of a bandgap voltage generator and relative bandgap voltage generator
05/02/2006US7038431 Zero tracking for low drop output regulators
04/2006
04/25/2006US7035028 Disk drive write driver with boosting circuit to improve output voltage swing
04/25/2006US7034787 Output circuit for gray scale control, testing apparatus thereof, and method for testing output circuit for gray scale control
04/25/2006US7034604 Communications device powered from host apparatus
04/25/2006US7034601 Hybrid inductive-capacitive charge pump with high diode driving capability
04/25/2006US7034514 Semiconductor integrated circuit using band-gap reference circuit
04/20/2006WO2006040950A1 Constant-current circuit and system power source using this constant-current circuit
04/20/2006WO2006040739A1 All n-type transistor high-side current mirror
04/20/2006DE10155534B4 Optoelektronische Vorrichtung Optoelectronic device
04/19/2006EP1646921A1 Voltage regulator having a current mirror for decoupling a partial current
04/18/2006US7030687 Biasing scheme for low supply headroom applications
04/18/2006US7030686 Constant voltage circuit with phase compensation
04/18/2006US7030684 High voltage switch circuit of semiconductor device
04/18/2006US7030683 Four phase charge pump operable without phase overlap with improved efficiency
04/18/2006US7030637 Semiconductor device for adjusting threshold value shift due to short channel effect
04/18/2006US7030598 Low dropout voltage regulator
04/13/2006US20060076943 Auxiliary power switching arrangement for PCI express, PC's and similar applications
04/13/2006DE10052484B4 Zappingschaltung und Zappingverfahren Zapping Zapping circuit and method
04/12/2006CN1759361A Current mirror
04/12/2006CN1758176A Temp stabilized reference voltage circuit
04/11/2006US7026882 Time base circuit, oscillator based thereon, and communicating apparatus using said oscillator
04/11/2006US7026863 Reference-voltage generating circuit
04/11/2006US7026862 Voltage generating/transferring circuit
04/11/2006US7026824 Voltage reference generator with negative feedback
04/11/2006US7026802 Replica biased voltage regulator
04/06/2006WO2006035898A1 Constant voltage generating circuit
04/06/2006US20060072231 Current mirrors having fast turn-on time
04/06/2006US20060071706 Device and method for voltage regulator with low standby current
04/05/2006EP1642183A1 Temperature independent low reference voltage source
04/05/2006CN1757005A Improved method of detecting switching power supply output current
04/05/2006CN1755571A Circuit for supplying selecting signal contraposing to control variable value
04/05/2006CN1249917C Current reflective mirror circuit
04/04/2006US7023482 Processing apparatus
04/04/2006US7023261 Current switching for maintaining a constant internal voltage
04/04/2006US7023260 Charge pump circuit incorporating corresponding parallel charge pump stages and method therefor
04/04/2006US7023259 High voltage switch with no latch-up hazards
04/04/2006US7023194 Low power and high accuracy band gap voltage reference circuit
04/04/2006US7023181 Constant voltage generator and electronic equipment using the same
03/2006
03/30/2006WO2006033461A1 Semiconductor device and voltage regulator using the semiconductor device
03/30/2006US20060066389 Variable gain charge pump controller
03/30/2006DE10338688B4 Spannungspegelwandleranordnung Voltage level converter arrangement
03/29/2006CN1248234C Semiconductor device
03/28/2006US7020485 Electronic circuit with improved current stabilization
03/28/2006US7019720 Adaptive control boost current method and apparatus
03/28/2006US7019719 Method and clamping apparatus for securing a minimum reference voltage in a video display boost regulator
03/28/2006US7019585 Method and circuit for adjusting a reference voltage signal
03/28/2006US7019584 Output stages for high current low noise bandgap reference circuit implementations
03/28/2006US7019583 Current inrush limiting circuit
03/28/2006US7019559 Level shift circuit
03/28/2006US7019508 Temperature compensated bias network
03/23/2006WO2006030375A1 Bias circuits
03/23/2006US20060061346 Internal power voltage generator for reducing current consumption
03/23/2006US20060061345 Start-up circuit for a current generator
03/23/2006DE102004036563A1 Vorrichtung zur Spannungsstabilisierung Apparatus for voltage stabilization
03/21/2006US7015846 Constant current source with threshold voltage and channel length modulation compensation
03/21/2006US7015757 Transconductance amplifier with multi-emitter structure for current balance in a multi-phase regulator
03/21/2006US7015745 Apparatus and method for sensing current in a power transistor
03/21/2006US7015684 Semiconductor device with a negative voltage regulator
03/21/2006US7015683 JFET switch select circuit
03/21/2006US7015680 Current-limiting circuitry
03/16/2006US20060055390 Circuit arrangement with a level shifter and a voltage regulator
03/16/2006DE102004030161A1 Schlatungsanordnung zum wahlweisen Generieren eines analogen Stromausgangswertes oder eines analogen Spannungsausgangswertes Suppression Tung arrangement for selectively generating an analog current output value or an analog voltage output value
03/15/2006EP1635240A1 Dynamic transconductance boosting technique for current mirrors
03/15/2006CN1748150A Current monitoring system using bi-directional current sensor
03/14/2006US7012597 Supply of a programming current to a pixel
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