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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04/11/2006 | CA2202516C Active power down for pc card i/o applications |
04/06/2006 | WO2006035394A1 A controller |
04/06/2006 | US20060071706 Device and method for voltage regulator with low standby current |
04/06/2006 | US20060071705 Bandgap reference circuit for ultra-low current applications |
04/06/2006 | US20060071704 Amplifying circuit |
04/06/2006 | US20060071650 CPU power delivery system |
04/06/2006 | US20060071649 Apparatus and method for multi-phase transformers |
04/06/2006 | US20060071648 Power management integrated circuit |
04/06/2006 | DE102005045695A1 Internal voltage generator in integrated circuit, selects one of reference voltages generated based on external voltage and internal voltage, for controlling internal voltage generation |
04/06/2006 | DE102005044348A1 Power factor correction circuit for compensating distortion of input current in switching mode power supply device, controls duration of turn-on interval of switch in response to voltage induced in secondary winding |
04/06/2006 | DE102004052865A1 Control of freely-oscillating converter switch of power supply unit, takes place during different operating states when given degrees of primary coil magnetization are reached |
04/06/2006 | CA2581875A1 Voltage regulator |
04/05/2006 | EP1472582A4 Power regulator employing a sinusoidal reference |
04/05/2006 | EP0803085B1 Electrical apparatus |
04/05/2006 | CN1757152A Power circuit and method of rising output voltage of power circuit |
04/05/2006 | CN1757005A Improved method of detecting switching power supply output current |
04/05/2006 | CN1755570A Method of controlling photovoltaic power generation system |
04/05/2006 | CN1755569A Voltage supply circuit and drive circuit device and method |
04/05/2006 | CN1755568A Voltage stabilizer circuit |
04/05/2006 | CN1755567A Voltage control apparatus using display device and control method thereof |
04/05/2006 | CN1249903C Control apparatus of voltage converter |
04/05/2006 | CN1249558C Vehicular electronic controller |
04/04/2006 | US7023711 Power supply circuit and electronic apparatus |
04/04/2006 | US7023681 Solid-state relay |
04/04/2006 | US7023675 Power supply for measuring the line impedance of underground cable |
04/04/2006 | US7023262 Negative voltage generator for a semiconductor memory device |
04/04/2006 | US7023261 Current switching for maintaining a constant internal voltage |
04/04/2006 | US7023260 Charge pump circuit incorporating corresponding parallel charge pump stages and method therefor |
04/04/2006 | US7023193 Elimination of potential transformer in ANSI Type A voltage regulator |
04/04/2006 | US7023192 Output regulator system and method |
04/04/2006 | US7023191 Voltage regulator with adjustable output impedance |
04/04/2006 | US7023190 ADC transfer function providing improved dynamic regulation in a switched mode power supply |
04/04/2006 | US7023189 Voltage regulator circuit of integrated circuit chip |
04/04/2006 | US7023188 Method of forming a multi-phase power supply controller |
04/04/2006 | US7023186 Two stage boost converter topology |
04/04/2006 | US7023185 Power supply for controlled parallel charging and discharging of batteries |
04/04/2006 | US7023184 DC-DC converter with stabilized output voltage |
04/04/2006 | US7023183 Power supply with capacitive mains isolation |
04/04/2006 | US7023182 Activating a phase in a multiphase DC/DC converter without disturbing the output voltage |
04/04/2006 | US7023181 Constant voltage generator and electronic equipment using the same |
04/04/2006 | US7023148 Power feedback power factor correction high frequency inverter |
04/04/2006 | US7023147 Controller circuit |
04/04/2006 | US7023004 Multi-mode electromagnetic radiation emitting device |
03/30/2006 | WO2006034237A1 Digital pulse width modulated controller |
03/30/2006 | US20060066391 Semiconductor integrated circuit device |
03/30/2006 | US20060066390 Analog circuit for calculating square and reciprocal of a current |
03/30/2006 | US20060066389 Variable gain charge pump controller |
03/30/2006 | US20060066288 Feedback circuit for power switching circuit |
03/30/2006 | DE4143674B4 Schaltungsanordnung zur Steuerung des Nachlaufs eines Steuergeräts in einem Kraftfahrzeug Circuit arrangement for controlling the lag of a control device in a motor vehicle |
03/30/2006 | DE102004046688A1 Vorrichtung und Verfahren zum Metall-Schutzgas (MSG)-Lichtbogenschweißen Apparatus and method for gas metal arc (GMA) -Lichtbogenschweißen |
03/30/2006 | DE102004044746A1 Ohmic characteristic producing circuit for nonlinear load at low voltages, e.g. for railway signaling, has rectifier, power factor controller, and measuring resistance |
03/29/2006 | EP1641109A1 A switched mode power supply |
03/29/2006 | EP1639684A2 Energy storage system |
03/29/2006 | EP1639419A1 A circuit for detecting electric current |
03/29/2006 | EP1590879A4 Power factor correction circuit |
03/29/2006 | CN2768299Y Switching type control device |
03/29/2006 | CN2768276Y Stabilized voltage output circuit for chargeable battery |
03/29/2006 | CN2768058Y Routinization linear voltage regulating circuit |
03/29/2006 | CN1754137A Constant voltage power supply |
03/29/2006 | CN1753291A Power factor correction circuit and output voltage control method thereof |
03/29/2006 | CN1753098A Internal power voltage generator for reducing current consumption |
03/29/2006 | CN1752883A Stationary reactive compensator monitoring system up position machine software layout method and graphic interface structure |
03/29/2006 | CN1248246C Magnetic controlled current or voltage regulator and transformer |
03/28/2006 | USRE39036 Universal power-supply connection system for multiple electronic devices, and devices for use therewith |
03/28/2006 | US7019987 Inverter |
03/28/2006 | US7019585 Method and circuit for adjusting a reference voltage signal |
03/28/2006 | US7019584 Output stages for high current low noise bandgap reference circuit implementations |
03/28/2006 | US7019583 Current inrush limiting circuit |
03/28/2006 | US7019507 Methods and circuits for programmable current limit protection |
03/28/2006 | US7019506 Charge-based switching power converter controller |
03/28/2006 | US7019505 Digital controller for a power converter employing selectable phases of a clock signal |
03/28/2006 | US7019504 Constant ON-time controller for a buck converter |
03/28/2006 | US7019503 Active power filter with input voltage feedforward, output load feedforward, and output voltage feedforward |
03/28/2006 | US7019502 Synchronization of multiphase synthetic ripple voltage regulator |
03/28/2006 | US7019501 DC/DC converter |
03/28/2006 | US7019500 Pulse width modulation power regulator and power supply system thereof |
03/28/2006 | US7019499 Low noise fast stable voltage regulator circuit |
03/28/2006 | US7019498 Power factor correction circuit |
03/28/2006 | US7019497 Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop |
03/28/2006 | US7019495 Inter-regulator control of multiple electric power sources |
03/28/2006 | US7019468 Electronic ballast with ignition and operation control |
03/28/2006 | US7019465 Discharge lamp illumination circuit and discharge lamp illumination method |
03/23/2006 | WO2006031903A2 Switching power supply control |
03/23/2006 | US20060061413 Voltage reference generator with flexible control of voltage |
03/23/2006 | US20060061412 High precision, curvature compensated bandgap reference circuit with programmable gain |
03/23/2006 | US20060061411 High voltage generator circuit with ripple stabilization function |
03/23/2006 | US20060061410 Charge pump circuit |
03/23/2006 | US20060061344 Control mode discrimination circuit for automotive generator voltage regulator |
03/23/2006 | US20060061343 Controller for DC to DC converter |
03/23/2006 | US20060061342 Actuation circuit for a switch regulating the power consumption in a switching converter |
03/23/2006 | US20060061341 Over-current detection circuit in a switch regulator |
03/23/2006 | US20060061340 Temperature compensation device and method for a voltage regulator |
03/23/2006 | US20060061339 Temperature regulator for a multiphase voltage regulator |
03/23/2006 | US20060061338 Power supply with capacitive mains isolation |
03/23/2006 | US20060061337 Power factor correction circuit |
03/23/2006 | DE202005016316U1 Electronically regulated load circuit used in testing e.g. current supplies, has automatic control loop connected in parallel to control components and current sensors, and parallelly switched to set control components in desired value |
03/23/2006 | DE19741464B4 Temperaturstabilisierte Arbeitsstromregelung Temperature stabilized shunt regulation |
03/23/2006 | DE102005044325A1 Power factor correction circuit for switching mode power supply, has switching controller generating reference voltage when input AC voltage is applied to input terminal and controlling switch based on reference and AC voltages |
03/23/2006 | DE102004036958A1 Ansteuerung von Leistungsschaltern Control of circuit breakers |
03/23/2006 | DE102004036522A1 Ansteuerschaltung für einen Schalter in einem Schaltwandler zur Verbesserung der Sprungantwort A drive circuit for a switch in a switching converter for improving the step response |