Patents for G05F 1 - Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems (37,749) |
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02/24/2005 | US20050040803 Circuit for generating a reference voltage having low temperature dependency |
02/24/2005 | US20050040802 Low leakage CMOS power mux |
02/24/2005 | US20050040799 Frequency compensation scheme for low drop out voltage regulators using adaptive bias |
02/24/2005 | US20050040798 High voltage power management unit architecture in CMOS process |
02/24/2005 | DE10392486T5 Stromabschaltkreis für aktive Vorspannungsschaltkreise mit Prozessvariationskompensation Stromabschaltkreis for active biasing circuits with process variation compensation |
02/24/2005 | DE10361549A1 Arc discharge protection system for high-voltage electrical equipment has electrode disk, voltage switching circuit, rectifier and trigger circuit |
02/24/2005 | DE102004030222A1 Energieversorgungssteuervorrichtung mit einem Steuerschaltungschip mit Schutz bei umgekehrt geschalteter Batterie Power supply control device having a control circuit chip protection for reversed battery connected |
02/24/2005 | DE10135964B4 Schaltungsbaustein mit hochfrequenten Ein-/Ausgabeschnittstellen Circuit package with high-frequency input / output interfaces |
02/23/2005 | EP1508958A2 Voltage regulator |
02/23/2005 | EP1508847A1 Frequency compensation scheme for low drop out (LDO) voltage regulators using adaptive bias |
02/23/2005 | EP1508078A2 Voltage regulator with dynamically boosted bias current |
02/23/2005 | CN2681520Y Intelligent illuminating terminal monitoring system |
02/23/2005 | CN1585919A Method for regulating the power supply of a number of field devices |
02/23/2005 | CN1585126A Semiconductor integrated circuit and signal sending/receiving system |
02/23/2005 | CN1584769A Constant-current electronic load |
02/22/2005 | US6859157 Programmable precision current controlling apparatus |
02/22/2005 | US6859156 Variable bandgap reference and applications thereof |
02/22/2005 | US6859092 Method and low voltage CMOS circuit for generating voltage and current references |
02/22/2005 | US6859077 Startup circuit for analog integrated circuit applications |
02/22/2005 | US6859040 Voltage detecting circuit |
02/22/2005 | US6859022 Timer circuit and battery protection circuit using same |
02/17/2005 | US20050036246 Constant voltage circuit |
02/17/2005 | US20050035890 Method and circuit for producing trimmed voltage using D/A converter circuit |
02/17/2005 | US20050035749 Method and apparatus for current limitation in voltage regulators |
02/17/2005 | US20050035746 Voltage regulator with adjustable output impedance |
02/17/2005 | US20050035661 Circuit arrangement for supplying voltage to a load |
02/17/2005 | DE102004012256A1 Neutralpunktspannungsregler für einen Drehmomentsensor Neutral point voltage regulator for a torque sensor |
02/16/2005 | CN2679731Y Smart saving controller of lighting |
02/16/2005 | CN2679730Y Voltage stabilizing and dropping electricity saver |
02/16/2005 | CN1582419A 稳压器 Stabilizer |
02/16/2005 | CN1582067A Electron beam heating temperature control method |
02/16/2005 | CN1581659A Power converter circuit and power convertion method |
02/16/2005 | CN1581630A Clean power supply and comprehesive fitering device composed thereof |
02/16/2005 | CN1581009A Voltage generation circuit and method using digital/analog conversion circuit to conduct voltage microregulation |
02/16/2005 | CN1581006A Power supply circuit and semiconductor integrated circuit apparatus |
02/15/2005 | US6856525 Apparatus and method for controlling voltage regulator and power supply apparatus |
02/15/2005 | US6856198 Amplifier and method for voltage-to-current conversion |
02/15/2005 | US6856190 Leak current compensating device and leak current compensating method |
02/15/2005 | US6856163 Power supply decoupling for parallel terminated transmission line |
02/15/2005 | US6856124 LDO regulator with wide output load range and fast internal loop |
02/15/2005 | US6856123 Semiconductor device provided with regulator circuit having reduced layout area and improved phase margin |
02/15/2005 | US6856120 Regulator circuit |
02/10/2005 | WO2005012928A1 Method for detecting open-phase of power supply of three-phase converter |
02/10/2005 | US20050033998 Power supply circuit and semiconductor integrated circuit device |
02/10/2005 | US20050030687 Arc discharge protection apparatus |
02/10/2005 | US20050030213 Variable bandgap reference |
02/10/2005 | US20050030187 Solar panel having visual indicator |
02/10/2005 | US20050030088 Area efficient charge pump |
02/10/2005 | US20050029999 Voltage regulator |
02/10/2005 | US20050029996 Power supply for positive and negative output voltages |
02/10/2005 | US20050029965 Light-emitting device driver and image forming apparatus |
02/10/2005 | DE202004018792U1 Circuit for a current inverter like an alternating/direct current inverter adjusts a power factor for improved use of sources of electric power and voltage |
02/09/2005 | EP1504317A1 Power supply circuit |
02/09/2005 | CN2677979Y Electric-saving device for high-voltage electrical equipment |
02/09/2005 | CN1578116A 电压产生电路 Voltage generating circuit |
02/09/2005 | CN1578082A 半导体装置 Semiconductor device |
02/09/2005 | CN1578080A Semiconductor integrated circuit equipment |
02/09/2005 | CN1578050A Charging apparatus and charging current detecting circuit thereof |
02/09/2005 | CN1578040A 电源电路及电子装置 The power supply circuit and electronic device |
02/09/2005 | CN1578039A Arc discharge protector |
02/09/2005 | CN1577433A Electric power circuit, display driver and voltage supply method |
02/09/2005 | CN1577203A 电源电路 The power supply circuit |
02/09/2005 | CN1577202A Feedback circuit for multi-channel output switch electric source and realizing method |
02/09/2005 | CN1188758C Power supply device, portable electronics device, timing device and their control method thereof |
02/08/2005 | US6853930 System for aiding the preparation of operation and maintenance plans for a power generation installation |
02/08/2005 | US6853818 Fixing device including phase control and wave number control |
02/08/2005 | US6853530 Apparatus and method for actuating a mechanical device |
02/08/2005 | US6853172 Switching regulator |
02/08/2005 | CA2209225C Series compensator inserting real and reactive impedance into electric power system for damping power oscillations |
02/08/2005 | CA2175035C Switchmode ac power controller |
02/03/2005 | US20050024900 Semiconductor device |
02/03/2005 | US20050024129 Reference voltage generating circuit for outputting multi-level reference voltage using fuse trimming |
02/03/2005 | US20050024099 High output impedance current source |
02/03/2005 | US20050024084 Semiconductor integrated circuit and signal sending/receiving system |
02/03/2005 | US20050024035 Programmable calibration circuit for power supply current sensing and droop loss compensation |
02/03/2005 | US20050024034 Current waste suppressing power supply apparatus |
02/03/2005 | US20050024031 Voltage generating circuit |
02/03/2005 | US20050024029 Voltage regulator circuit of integrated circuit chip |
02/03/2005 | US20050024024 Voltage regulator for electronic device |
02/03/2005 | US20050023991 Temperature-to-color converter and conversion method |
02/02/2005 | EP0934682A4 A power control apparatus for lighting systems |
02/02/2005 | CN1574615A Feedback control system and method |
02/02/2005 | CN1574591A Power supply for positive and negative output voltages |
02/02/2005 | CN1574352A 半导体集成装置 Semiconductor integrated device |
02/02/2005 | CN1573637A 电源电路 The power supply circuit |
02/02/2005 | CN1187668C Circuit device for power supply unit |
02/01/2005 | US6850118 Amplifier circuit and power supply provided therewith |
02/01/2005 | US6850112 Device for controlling a circuit generating reference voltages |
02/01/2005 | US6850048 Power supply controller |
02/01/2005 | US6850047 Switching regulator and power supply using the same |
01/27/2005 | WO2005008355A1 Semiconductor device with high-breakdown-voltage regulator |
01/27/2005 | WO2005008353A2 Method and apparatus for current limitation in voltage regulators |
01/27/2005 | WO2005008260A1 Solar panel having visual indicator |
01/27/2005 | US20050017701 Efficiency improved voltage converter |
01/27/2005 | US20050017697 Conditioning circuit for a power supply at the maximum power point, a solar generator, and a conditioning method |
01/27/2005 | US20050017696 Method and device for regulating electric voltage |
01/26/2005 | EP1501177A2 Power supply with power factor correction |
01/26/2005 | EP1501176A2 Power supply with power factor correction |
01/26/2005 | EP1500999A1 Power factor correction circuit |
01/26/2005 | EP1499941A2 Altering operating frequency and voltage set point of a circuit in response to the operating temperature and instantaneous operating voltage of the circuit |