| 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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| 02/14/2002 | US20020017822 Power control device with electric double layer capacitor unit cells |
| 02/13/2002 | CN1079175C Electric system reactive power automatic regulating & controlling method |
| 02/12/2002 | US6347029 Over-current protection circuit for linear voltage regulators |
| 02/12/2002 | US6347028 Load control system having an overload protection circuit |
| 02/12/2002 | US6346799 Voltage regulator with a ballast transistor and current limiter |
| 02/12/2002 | US6346781 Signal generator and control unit for sensing signals of signal generator |
| 02/12/2002 | US6346778 AC power converter |
| 02/07/2002 | WO2002011498A1 Interface circuit and method for dimming a fluorescent lamp |
| 02/07/2002 | WO2002010877A2 System of and method for power management |
| 02/07/2002 | US20020016043 Semiconductor device |
| 02/07/2002 | US20020015316 Power control method and circuit, and power supply unit |
| 02/07/2002 | US20020014914 Integration of a voltage regulator |
| 02/07/2002 | US20020014912 Internal reference voltage generating circuit, particularly of the CMOS type |
| 02/07/2002 | US20020014911 Semiconductor integrated circuit |
| 02/07/2002 | US20020014882 Linear regulator capable of sinking current |
| 02/07/2002 | DE10020182A1 Three phase, sinusoidal power transformation with freely-adjustable primary side power factor, adjusts primary voltage source and input current phase angles |
| 02/07/2002 | CA2415857A1 System of and method for power management |
| 02/06/2002 | CN1334639A AC/DC converter controlled by FET and its application |
| 02/06/2002 | CN1334630A Shunt voltage regulator with self-contained safety heat short-circuit protection |
| 01/31/2002 | WO2002009268A1 Active power filter for isolating electrically noisy load from low noise power supply |
| 01/31/2002 | WO2002009262A1 Switched mode power supply control |
| 01/31/2002 | US20020013669 Microprocessor power supply system comprising a programmable power supply and a programmable brownout detector |
| 01/31/2002 | US20020011886 Switched mode power supply control |
| 01/31/2002 | US20020011826 Semiconductor integrated circuit device capable of stably generating internal voltage |
| 01/31/2002 | US20020011808 Signal generator and control unit for sensing signals of signal generator |
| 01/30/2002 | EP1151365A4 Rapid on chip voltage generation for low power integrated circuits |
| 01/30/2002 | CN1078768C Control apparatus with reduced quiescenet currents |
| 01/30/2002 | CN1078716C Compensation voltage regulator |
| 01/29/2002 | US6342779 Method of control by phase angle |
| 01/24/2002 | WO2002006915A2 Low-dropout voltage regulator with improved stability for all capacitive loads |
| 01/24/2002 | US20020008571 Apparatus for current pulse generation in voltage down converters |
| 01/24/2002 | US20020008565 Differencing non-overlapped dual-output amplifier circuit |
| 01/24/2002 | US20020008502 Voltage downconverter circuit capable of reducing current consumption while keeping response rate |
| 01/24/2002 | US20020008500 Semiconductor integrated circuit and method for generating internal supply voltage |
| 01/24/2002 | DE10034458A1 Electromagnetic valve actuator power supply, e.g. for IC engine fuel injector, has a boost voltage provided by capacitor |
| 01/23/2002 | EP1147463A4 High efficiency power supply for a two-wire loop powered device |
| 01/23/2002 | CN1078406C Power apparatus |
| 01/22/2002 | US6340918 Negative feedback amplifier circuit |
| 01/22/2002 | US6340852 Voltage generating circuit capable of stably supplying power supply voltage less than rated voltage |
| 01/17/2002 | US20020005711 Low-dropout voltage regulator with improved stability for all capacitive loads |
| 01/17/2002 | US20020005710 Frequency sensing NMOS voltage regulator |
| 01/16/2002 | EP1172916A2 Power control device with electric double layer capacitor unit cells |
| 01/16/2002 | EP1172863A2 Method of installing solar cell modules, and solar cell module |
| 01/16/2002 | EP0746899B1 Switching regulator having high current prevention features |
| 01/16/2002 | CN2472261Y Automatic shunting regulating output circuit with voltage accumulating or counter voltage load |
| 01/16/2002 | CN2472260Y Adjustable electronic load |
| 01/15/2002 | US6339538 Inverter circuit and method of operation |
| 01/15/2002 | US6339318 Semiconductor integrated circuit device |
| 01/10/2002 | WO2001055823A3 Apparatus for providing regulated power to an integrated circuit |
| 01/10/2002 | US20020003449 Semiconductor device enabling high-speed generation of internal power-supply potential at the time of power on |
| 01/10/2002 | US20020003420 Hybrid tap-changing transformer with full range of control and high resolution |
| 01/09/2002 | EP0784811B1 An improved variable-voltage cpu voltage regulator |
| 01/09/2002 | CN1330458A Active biased network circuir for radio frequency amplifier |
| 01/08/2002 | US6337598 Reference voltage generating device and generating method of the same |
| 01/08/2002 | US6337587 Circuit arrangement for driving a load by two transistors |
| 01/03/2002 | WO2001057995A3 Method for regulating of ac voltage |
| 01/03/2002 | US20020000794 Apparatus and method for limiting leakage to ground current while optimizing output of a power supply adaptable for use with a motion sensor switch |
| 01/03/2002 | US20020000793 Electric power supply system |
| 01/03/2002 | US20020000785 Solar system for a motor vehicle |
| 01/03/2002 | DE10021466A1 Device for exchanging electrical power between primary and secondary side 3-phase systems, has matrix converter whose switching state is determined from current influencing parameters |
| 01/03/2002 | DE10020927A1 Circuit for current limiting of voltage-controlled load has differential amplifier that compares load current dependent voltage with control voltage formed by integrating output |
| 01/02/2002 | EP1168564A1 Controller of adjustable DC voltage for a transformerless reactive series compensator |
| 01/02/2002 | EP1168134A1 Integration of an voltage regulator |
| 01/02/2002 | EP1166430A1 Universal power module |
| 01/02/2002 | EP0746808B1 Switchmode ac power controller |
| 01/02/2002 | CN2469482Y Uninterruption AC voltage-stabilized source with wide-band and high precision |
| 01/02/2002 | CN1077340C Intelligent power supply with staged loading capability |
| 01/01/2002 | US6335654 Inrush current control circuit |
| 01/01/2002 | US6335613 Versatile power flow transformers for compensating power flow in a transmission line |
| 01/01/2002 | CA2090286C Device for generating an electrical voltage of predetermined waveform, iontophoresis apparatus for transdermally administering medicinal products and electrical stimulation apparatus, which apparatuses are equipped with such a device |
| 12/27/2001 | US20010054934 Active bias network circuit for radio frequency amplifier |
| 12/27/2001 | US20010054886 Input circuit and output circuit |
| 12/27/2001 | US20010054884 Power source connection controller and power source connection controlling method |
| 12/27/2001 | US20010054760 Semiconductor integrated circuit |
| 12/26/2001 | CN2468084Y Voltage stabilizing module |
| 12/26/2001 | CN2467527Y Magnetic saturation contant potential instrument |
| 12/25/2001 | US6333671 Sleep mode VDD detune for power reduction |
| 12/25/2001 | US6333670 Semiconductor device capable of stably generating internal voltage with low supply voltage |
| 12/25/2001 | US6333669 Voltage converting circuit allowing control of current drivability in accordance with operational frequency |
| 12/25/2001 | US6333668 Semiconductor device for suppressing current peak flowing to/from an external power supply |
| 12/25/2001 | US6333623 Complementary follower output stage circuitry and method for low dropout voltage regulator |
| 12/25/2001 | US6333608 Driving apparatus for vehicular display unit |
| 12/25/2001 | US6332661 Constant current driving apparatus and constant current driving semiconductor integrated circuit |
| 12/20/2001 | WO2001097370A1 Multi-phase pulse width modulated voltage regulator |
| 12/20/2001 | US20010052809 Electronic circuit, semiconductor device, electronic equipment, and timepiece |
| 12/20/2001 | DE10021399A1 AC voltage setting method involves performing phase control in form of closed control loop in order to set AC voltage to set value under changing consumer loads |
| 12/19/2001 | EP1164454A1 Voltage supply circuit and method of controlling the same |
| 12/19/2001 | EP1163621A2 Method and apparatus for medical covering group request processing, review and management |
| 12/19/2001 | CN2466696Y High-power AC compensation purifying valtage-regulated power supply |
| 12/19/2001 | CN2466695Y High-power AC purifying valtage-regulated power supply |
| 12/19/2001 | CN1327552A Rapid on chip voltage generator for low power integrated circuit |
| 12/18/2001 | US6331767 Power supplies of ECUs |
| 12/18/2001 | US6331766 Frequency sensing NMOS voltage regulator |
| 12/18/2001 | US6331765 Series compensator |
| 12/13/2001 | WO2001094959A2 System and method for diagnosing fault conditions associated with powering an electrical load |
| 12/13/2001 | US20010050855 Current generator with thermal protection |
| 12/13/2001 | US20010050591 Power supply, electronic device using the same, and output |
| 12/13/2001 | US20010050590 Semiconductor integrated circuit device having circuit generating reference voltage |
| 12/13/2001 | US20010050548 Circuit arrangement for the supply of an electrical coil with a predetermined operating current |
| 12/13/2001 | US20010050546 Linear regulator with low overshooting in transient state |