| 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) |
|---|
| 08/09/2007 | US20070182399 Low drop-out dc voltage regulator |
| 08/09/2007 | US20070182398 Voltage regulator in semiconductor memory device |
| 08/09/2007 | US20070182397 Switching regulator |
| 08/09/2007 | US20070182396 Current-controlled DC-DC converter control circuit, current-controlled DC-DC converter, and method for controlling current-controlled DC-DC converter |
| 08/09/2007 | US20070182395 Switching regulator |
| 08/09/2007 | US20070182394 Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply |
| 08/09/2007 | US20070182393 DC/DC converter |
| 08/09/2007 | US20070182392 DC-DC converter capable of performing for wide and dynamic voltage range |
| 08/09/2007 | US20070182391 Digital double-loop output voltage regulation |
| 08/09/2007 | US20070182390 Drive circuit and switching regulator comprising the same |
| 08/09/2007 | US20070182389 Circuitry and method for limiting peak current from a voltage source |
| 08/09/2007 | US20070182388 Tip having active circuitry |
| 08/09/2007 | US20070182387 Primary side regulated power supply system with constant current output |
| 08/09/2007 | US20070182386 Power supply driver circuit |
| 08/08/2007 | EP1816537A2 Switching power supply circuit |
| 08/08/2007 | CN2932461Y Digital AC constant-current source with a wide current range |
| 08/08/2007 | CN2932460Y Chopping-type large-power high-precision voltage-regulating circuit |
| 08/08/2007 | CN1331104C Drive circuit and displaying device |
| 08/08/2007 | CN101014920A High frequency partial boost power factor correction control circuit and method |
| 08/08/2007 | CN101014919A Digitally controlling a dc-dc converter |
| 08/08/2007 | CN101013859A Switching power supply with function of micropower standby |
| 08/08/2007 | CN101013330A 稳压电路 Regulator circuit |
| 08/08/2007 | CN101013329A Constant-current high-voltage DC power supply |
| 08/07/2007 | US7254349 Image forming apparatus having means to control condition of current supply to discharge wire and grid of charging member |
| 08/07/2007 | US7253763 Switching between lower and higher power modes in an ADC for lower/higher precision operations |
| 08/07/2007 | US7253678 Accurate cascode bias networks |
| 08/07/2007 | US7253677 Bias circuit for compensating fluctuation of supply voltage |
| 08/07/2007 | US7253676 Semiconductor device and driving method of semiconductor device |
| 08/07/2007 | US7253598 Bandgap reference designs with stacked diodes, integrated current source and integrated sub-bandgap reference |
| 08/07/2007 | US7253596 Power supply apparatus capable of supplying a stable converted voltage |
| 08/07/2007 | US7253595 Low drop-out voltage regulator |
| 08/07/2007 | US7253594 Reducing power/area requirements to support sleep mode operation when regulators are turned off |
| 08/07/2007 | US7253593 DC-DC converter and error amplifier thereof |
| 08/07/2007 | US7253592 DC voltage converter and method for converting a DC voltage |
| 08/07/2007 | US7253581 Data storage device, motor control device, and motor control method |
| 08/07/2007 | US7253569 Open lamp detection in an EEFL backlight system |
| 08/07/2007 | US7253567 Low-visual noise, jitterized pulse width modulation brightness control circuit |
| 08/07/2007 | US7253566 Methods and apparatus for controlling devices in a networked lighting system |
| 08/07/2007 | US7253565 Apparatus for supplying power, backlight assembly and liquid crystal display apparatus having the same |
| 08/07/2007 | US7253403 Control system for a power supply |
| 08/02/2007 | WO2007086472A1 Power supply system |
| 08/02/2007 | WO2007086241A1 Power supply device and light-emitting device and electronic equipment using such power supply device |
| 08/02/2007 | WO2006117230A3 Voltage reducing charge pump circuit and method thereof |
| 08/02/2007 | US20070179808 Method and apparatus for medical covering group processing, review, and management |
| 08/02/2007 | US20070177338 Inverter device |
| 08/02/2007 | US20070177320 Power supply unit for an electronic device such as an electronic device having a tuner |
| 08/02/2007 | US20070176673 Semiconductor integrated circuit apparatus and electronic apparatus |
| 08/02/2007 | US20070176672 Device and method for voltage regulator with stable and fast response and low standby current |
| 08/02/2007 | US20070176671 Charge pump circuit and electric appliance therewith |
| 08/02/2007 | US20070176670 Charge pump based subsystem for secure smart-card design |
| 08/02/2007 | US20070176589 Method and apparatus to limit output power in a switching power supply |
| 08/02/2007 | US20070176588 Switching regulator having high speed response |
| 08/02/2007 | US20070176587 Controller for DC to DC Converter |
| 08/02/2007 | US20070176586 Mobile device for powering, recharging and/or controlling a height-fixed electric appliance |
| 08/02/2007 | US20070176585 Closed-loop digital control system for a DC/DC converter |
| 08/02/2007 | US20070176584 RV converter with current mode and voltage mode switching |
| 08/02/2007 | US20070176583 Switching control circuit |
| 08/02/2007 | US20070176582 Constant voltage circuit |
| 08/02/2007 | US20070176581 Control circuit and method for a DC-to-DC converter to improve transient response thereof |
| 08/02/2007 | US20070176580 Semiconductor integrated circuit device |
| 08/02/2007 | DE202007007578U1 Eine Energiesparvorrichtung für elektronische und elektrische Maschinengeräte An energy saving device for electronic and electrical machinery equipment |
| 08/02/2007 | DE102006002712A1 Schaltungsanordnung zur Spannungsversorgung und Verfahren Circuit arrangement for power supply and method |
| 08/01/2007 | EP1814260A2 Distributed wireless home network and commercial electrical automation system |
| 08/01/2007 | EP1814011A1 Stabilized dc power supply circuit |
| 08/01/2007 | EP1812841A2 System and method for providing voltage regulation in a multi-voltage power system |
| 08/01/2007 | EP1812840A1 Battery charger system |
| 08/01/2007 | EP1812839A2 Battery charging device. |
| 08/01/2007 | EP1561153A4 Temperature-compensated current reference circuit |
| 08/01/2007 | EP1559186B1 Variable charge pump circuit with dynamic load |
| 08/01/2007 | EP1308069B1 Interface circuit and method for dimming a fluorescent lamp |
| 08/01/2007 | CN2929797Y Low voltage constant current electronic display device |
| 08/01/2007 | CN2929796Y Large capacity power saving voltage stabilizer |
| 08/01/2007 | CN1330072C A telephone set power supply management circuit |
| 08/01/2007 | CN1329990C Semiconductor integrated circuit device |
| 08/01/2007 | CN101010650A Power conversion device with efficient output current sensing |
| 08/01/2007 | CN101010649A Switched constant current driving and control circuit |
| 08/01/2007 | CN101009793A Power supply unit for an electronic device such as an electronic device having a tuner |
| 08/01/2007 | CN101009469A Switching power supply controller and method therefor |
| 08/01/2007 | CN101009461A Optional input power and product power supply, and its method |
| 08/01/2007 | CN101009432A Sampling circuit and voltage sampling method for three-level power factor calibration circuit |
| 08/01/2007 | CN101008856A Series amplification rheostatic voltage stabilizer |
| 08/01/2007 | CN101008516A Solar air-conditioner for automobile window |
| 07/31/2007 | US7251741 Method of controlling signal generator |
| 07/31/2007 | US7250812 Integrated circuit current regulator |
| 07/31/2007 | US7250811 Internal voltage generator of semiconductor memory device |
| 07/31/2007 | US7250810 Multi-mode charge pump drive circuit with improved input noise at a moment of mode change |
| 07/31/2007 | US7250809 Boosted voltage generator |
| 07/31/2007 | US7250808 Differential charge pump circuit |
| 07/31/2007 | US7250746 Current mode switching regulator with predetermined on time |
| 07/31/2007 | US7250745 Control circuit of DC-DC converter and its control method |
| 07/31/2007 | US7250744 Quasi average current mode control scheme for switching power converter |
| 07/31/2007 | US7250743 Voltage control system |
| 07/31/2007 | US7250742 Digital control of bridgeless power factor correction circuit |
| 07/26/2007 | WO2007082778A1 Sensing an operating state of a system |
| 07/26/2007 | WO2007053247A3 Led bias current control using adaptive fractional charge pump |
| 07/26/2007 | WO2006124094A3 Apparatus, and associated method, for converting electrical power into form for powering a load device |
| 07/26/2007 | WO2006009576A3 Dynamic optimization of efficiency using dead time and fet drive control |
| 07/26/2007 | US20070170980 Constant current output charge pump |
| 07/26/2007 | US20070170979 Charge pump systems and methods |
| 07/26/2007 | US20070170904 Switching power supply apparatus and mobile service |