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)
04/2005
04/21/2005DE10145034B4 Anordnung mit einer Stromquelle und einem zu dieser in Reihe geschalteten Schalter Arrangement with a current source and a switch connected in series to this
04/20/2005EP1523703A1 Band-gap reference circuit
04/19/2005US6882582 EEPROM circuit voltage reference circuit and method for providing a low temperature-coefficient voltage reference
04/19/2005US6882215 Substrate bias generator in semiconductor memory device
04/19/2005US6882199 Voltage sensing circuit
04/19/2005US6882186 Driving circuit and constant current driving apparatus using the same
04/19/2005US6882135 Voltage generating circuit and reference voltage source circuit employing field effect transistors
04/14/2005WO2005033820A1 Method and apparatus for compensating for temperature drift in semiconductor processes and circuitry
04/14/2005US20050077952 Band gap constant voltage circuit
04/14/2005US20050077951 High voltage switch circuit of semiconductor device
04/14/2005US20050077925 Dc cancellation apparatus and method
04/14/2005US20050077885 Reference-voltage generating circuit
04/14/2005US20050077622 Active phase cancellation for power delivery
04/14/2005US20050077551 Power system inhibit method and device and structure therefor
04/13/2005EP1522913A1 Reference circuitry
04/13/2005CN2692913Y Safety DC . AC dual-purpose blasting machine power supply
04/13/2005CN1605964A 电压调节器 Voltage Regulator
04/12/2005US6879534 Method and system for minimizing differential amplifier power supply sensitivity
04/12/2005US6879141 Temperature compensated voltage supply circuit
04/07/2005WO2005031975A1 Timing generator with bias current compensation circuit and method
04/07/2005WO2005031490A1 Integrated circuit with automatic start up function
04/07/2005WO2005031489A2 Current mirror compensation using channel length modulation
04/07/2005US20050073741 Dimmer control system having remote infrared transmitters
04/07/2005US20050073489 LED drive circuit
04/07/2005US20050073355 High precision digital-to-analog converter with optimized power consumption
04/07/2005US20050073290 Method and apparatus for compensating for temperature drift in semiconductor processes and circuitry
04/07/2005US20050073285 Circuit arrangement for voltage regulation
04/07/2005CA2540496A1 Apparatus for generating corona discharges
04/07/2005CA2536074A1 Integrated circuit with automatic start up function
04/06/2005CN1604712A LED drive circuit and LED drive system
04/06/2005CN1604454A Motor driving unit system
04/06/2005CN1604209A Current to voltage conversion circuit for photo detector integrated circuit employing gain switching circuit
04/06/2005CN1196265C Reference voltage circuit
04/05/2005US6876251 Reference voltage source circuit operating with low voltage
04/05/2005US6876250 Low-power band-gap reference and temperature sensor circuit
04/05/2005US6876246 High voltage controller for semiconductor device
04/05/2005US6876233 DC cancellation apparatus and method
04/05/2005US6876182 MOSFET current mirror circuit with cascode output
03/2005
03/31/2005WO2004027831A3 Fast dynamic low-voltage current mirror with compensated error
03/31/2005US20050069337 Image forming apparatus
03/31/2005US20050068811 Non-cascading charge pump circuit and method
03/31/2005US20050068093 Current mirror circuit
03/31/2005US20050068091 Bias circuitry
03/31/2005US20050068077 Local bias generator for adaptive forward body bias
03/31/2005US20050068076 Current mirror compensation circuit and method
03/31/2005US20050068072 Current mirror compensation using channel length modulation
03/31/2005US20050068018 Temperature compensated voltage supply circuit
03/31/2005DE10338688A1 Voltage level alteration circuit with two transistorized circuits connected together has first and second nMOSTs with connections to pMOSTs in first circuit and similar arrangement in second circuit
03/30/2005CN1601894A 电流镜电路 A current mirror circuit
03/30/2005CN1195325C 半导体集成电路及其测试方法 Semiconductor integrated circuit and test methods
03/29/2005US6873143 On-chip reference current and voltage generating circuits
03/24/2005WO2005027188A2 Quiescent current control circuit for high-power amplifiers
03/24/2005US20050062541 Bias circuit
03/24/2005US20050062519 Time base circuit, oscillator based thereon, and communicating apparatus using said oscillator
03/23/2005CN1599248A CMOS I/O offset control circuit
03/22/2005US6870418 Temperature and/or process independent current generation circuit
03/17/2005US20050057234 Low drop-out voltage regulator and an adaptive frequency compensation method for the same
03/17/2005US20050057230 Providing Optimal Supply Voltage to Integrated Circuits
03/17/2005US20050057189 Semiconductor device
03/16/2005CN1596474A Circuit for generating a reference voltage having low temperature dependency
03/16/2005CN1595779A Multiple-output power device, and mobile device using the same
03/15/2005US6867637 Semiconductor integrated circuit device including a substrate bias controller and a current limiting circuit
03/10/2005WO2005022283A1 A constant-voltage circuit
03/10/2005US20050052224 Quiescent current control circuit for high-power amplifiers
03/10/2005US20050052223 Programmable analog bias circuits using floating gate cmos technology
03/10/2005US20050052219 Integrated circuit transistor body bias regulation circuit and method for low voltage applications
03/10/2005US20050052173 Low voltage bandgap reference circuit with reduced area
03/10/2005US20050052171 Multiple-output power device, and mobile device using the same
03/09/2005CN1591262A Voltage reference circuit
03/08/2005US6864814 System and method for improving dynamic range of analog-to digital converters
03/08/2005US6864741 Low noise resistorless band gap reference
03/08/2005US6864740 Method and apparatus for phototransistor pulse width converter
03/08/2005US6864724 Current to voltage conversion circuit for photo detector integrated circuit employing gain switching circuit
03/03/2005US20050046471 Biasing scheme for low supply headroom applications
03/03/2005US20050046470 Temperature independent CMOS reference voltage circuit for low-voltage applications
03/03/2005US20050046468 Voltage clamper capable of controlling a voltage drop according to an external input voltage
03/03/2005US20050046466 Bandgap reference circuit
03/03/2005US20050046407 Constant current source with threshold voltage and channel length modulation compensation
03/03/2005US20050046406 Process insensitive voltage reference
03/02/2005EP1510898A2 Apparatus and method for a low voltage bandgap voltage reference generator
03/01/2005US6861890 Squaring cells and multipliers using summed exponentials
03/01/2005US6861832 Threshold voltage adjustment for MOS devices
03/01/2005US6861827 Low drop-out voltage regulator and an adaptive frequency compensation
02/2005
02/24/2005WO2005017902A1 Area efficient charge pump
02/24/2005US20050040885 Contactless IC card
02/24/2005US20050040806 Processor based integrated circuit with a supply voltage monitor using bandgap device without feedback
02/24/2005US20050040805 Voltage reference circuit
02/24/2005US20050040803 Circuit for generating a reference voltage having low temperature dependency
02/24/2005DE10392486T5 Stromabschaltkreis für aktive Vorspannungsschaltkreise mit Prozessvariationskompensation Stromabschaltkreis for active biasing circuits with process variation compensation
02/24/2005DE10332864A1 Spannungsregler mit Stromspiegel zum Auskoppeln eines Teilstroms Voltage regulator with current mirror for extracting a sub-stream
02/23/2005EP1508078A2 Voltage regulator with dynamically boosted bias current
02/23/2005CN1584927A Contactless ic card
02/23/2005CN1190716C Current mirror circuit, integrated circuit and device for reproducing optical recording carrier
02/22/2005US6859156 Variable bandgap reference and applications thereof
02/22/2005US6859040 Voltage detecting circuit
02/22/2005US6858917 Metal oxide semiconductor (MOS) bandgap voltage reference circuit
02/17/2005US20050035890 Method and circuit for producing trimmed voltage using D/A converter circuit
02/17/2005US20050035814 Precise voltage/current reference circuit using current-mode technique in CMOS technology
02/17/2005US20050035813 Low voltage low power bandgap circuit
02/17/2005US20050035812 Low voltage low power bandgap circuit
1 ... 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 ... 128