G05F 5 - Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output

Patents for G05F 5 - Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output (1,182)
11/2002
11/22/2002	CA2355966A1 Power signal processor
10/2002
10/24/2002	WO2002084419A1 Rms voltage control
07/2002
07/30/2002	US6426671 Internal voltage generating circuit
06/2002
06/25/2002	US6411072 PWM power supply with constant RMS output voltage control
05/2002
05/21/2002	CA2059683C Voltage controller with reduced filtering losses
04/2002
04/30/2002	US6380767 Connection control circuit
02/2002
02/28/2002	US20020024380 Internal voltage generating circuit
02/14/2002	DE10106407A1 Internal voltage generating circuit has voltage compensator that changes flow of current between inner voltage line and power supply node according to voltage difference
01/2002
01/22/2002	US6340852 Voltage generating circuit capable of stably supplying power supply voltage less than rated voltage
08/2001
08/28/2001	CA2334303A1 Phase control switch with reduced heat dissipating rfi inductor
07/2001
07/10/2001	US6259239 Circuit and method for conditioning an average AC signal for use with a controller adapted to receive peak input signals
05/2001
05/02/2001	EP1096678A1 Connection control circuit
04/2001
04/17/2001	US6218821 Computer storage system incorporating marginable power supply and power-up bypass circuit
03/2001
03/20/2001	US6204629 Method and apparatus for accurately measuring a back-emf voltage on an actuator coil
02/2001
02/13/2001	US6188214 Phase control switch with reduced heat dissipating RFI inductor
02/06/2001	US6184668 Voltage sensing circuit and method for preventing a low-voltage from being inadvertently sensed as a high-voltage during power-up or power-down
01/2001
01/09/2001	US6172494 Circuit arrangement for delivering a supply current
12/2000
12/06/2000	CN1275727A Voltage generating circuit capable of stable supplying voltage without over-rated-voltage for power supply
11/2000
11/21/2000	US6150874 Circuit layout and process for generating a supply DC voltage
10/2000
10/24/2000	US6137341 Temperature sensor to run from power supply, 0.9 to 12 volts
08/2000
08/30/2000	EP1031903A2 Circuit configuration supplying an energizing current
08/24/2000	DE19907575A1 Schaltungsanordnung zum Liefern eines Speisestromes Circuit arrangement for providing a supply current
07/2000
07/11/2000	US6087818 Recreational vehicle voltage booster
01/2000
01/26/2000	EP0885415A4 Triac control circuit
12/1999
12/14/1999	US6003139 Computer system including power supply circuit with controlled output power
11/1999
11/30/1999	US5994886 Internal step-down power supply circuit of semiconductor device
07/1999
07/28/1999	CN1044412C Source voltage control circuit
06/1999
06/02/1999	EP0919992A1 Method and apparatus for actuator control
06/02/1999	DE19751802A1 Regulation arrangement for operation of earthing coil
05/1999
05/11/1999	US5903140 Low dissipation controllable electron valve
03/1999
03/23/1999	US5886514 Piezoelectric transformer driving curcuit and method capable of stabilizing load current
12/1998
12/23/1998	EP0885415A1 Triac control circuit
09/1998
09/01/1998	US5801522 Power limit circuit for computer system
08/1998
08/26/1998	EP0860762A2 Circuit and method for generating a DC output voltage
08/13/1998	DE19707423C1 Circuit for generating constant voltage supply from fluctuating input voltage supply for Zener circuit
07/1998
07/22/1998	EP0572567B1 Phase-controlled power modulation system
07/16/1998	WO1998030945A1 Low dissipation controllable electron valve
04/1998
04/23/1998	CA2441657A1 Lightweight motorized wheelchair
03/1998
03/31/1998	US5734261 Input protection circuit which includes optocoupler protection during over-voltage conditions
01/1998
01/08/1998	DE19727069A1 Electronic follow-up controller esp. for motor vehicle headlamp electrical adjustment
12/1997
12/30/1997	US5703474 Power transfer of piezoelectric generated energy
12/30/1997	CA2023369C Image forming apparatus utilizing an ac voltage control circuit
11/1997
11/04/1997	US5684392 System for extending operating time of a battery-operated electronic device
11/04/1997	US5684391 Circuit arrangement for powering at least one load
09/1997
09/11/1997	DE19608246A1 Compensation current regulator with sensor for testing HF effect of this current
06/1997
06/24/1997	US5642036 Electrical consumption stabilizing method and apparatus
05/1997
05/01/1997	WO1997015876A1 Power transfer of piezoelectric generated energy
04/1997
04/08/1997	US5619127 Inrush current suppressing power supply
01/1997
01/28/1997	US5598093 Low dissipation controllable electron valve for controlling energy delivered to a load and method therefor
01/07/1997	US5592073 Triac control circuit
12/1996
12/27/1996	WO1996042038A1 Tuned a.c. power systems compensator having variable reflective impedance for linear and non-linear reactive load compensation
12/05/1996	WO1996038772A1 Triac control circuit
08/1996
08/27/1996	US5550463 Power supply connected in parallel with solid state switch for phase control of average power to a load
08/13/1996	US5545974 Variamp oil temperature control
07/1996
07/30/1996	US5541500 Power supply arrangement comprising a direct voltage monitoring circuit
07/23/1996	US5539653 Method and apparatus for reassigning lost capacitors in a power distribution network
04/1996
04/03/1996	EP0705020A2 Circuit arrangement for feeding at least a load
03/1996
03/30/1996	CA2159284A1 Variamp oil temperature control
02/1996
02/22/1996	WO1996005642A1 Generalized fast, power flow controller
01/1996
01/09/1996	US5483149 For regulating an amount of power a heating element consumes
10/1995
10/31/1995	US5463307 High efficiency, low voltage adapter apparatus and method
10/24/1995	US5461300 Phase angle regulating transformer with a single core per phase
06/1995
06/13/1995	US5424629 Power circuit for a semiconductor apparatus
06/13/1995	US5424626 Tuned A.C. power systems compensator having variable reflective impedance for linear and non-linear reactive load compensation
05/1995
05/03/1995	EP0651307A2 Resistive heating control system and method that is functional over a wide supply voltage range
12/1994
12/28/1994	EP0569557A4 Phase-shifting transformer system.
11/1994
11/22/1994	US5367246 Electronic energy saving device
11/16/1994	CN1026623C Inverted compensation type voltage stabilizing device
11/15/1994	US5365161 Stabilized voltage supply
11/02/1994	CN1026452C Inductive current switching system and method
11/01/1994	CA1332844C Two wire low voltage dimmer
10/1994
10/13/1994	WO1994023354A1 Dynamic phase angle regulation system
08/1994
08/30/1994	US5343139 Generalized fast, power flow controller
07/1994
07/05/1994	US5327071 Microprocessor control of multiple peak power tracking DC/DC converters for use with solar cell arrays
06/1994
06/28/1994	US5325037 Motor control system and method for a fuel burner
02/1994
02/23/1994	CN1023873C Resonance tracking system of sound suspending device
02/22/1994	US5289110 Input current responsive, tap changing transformer system
12/1993
12/08/1993	EP0572567A1 Phase-controlled power modulation system
11/1993
11/18/1993	EP0569557A1 Phase-shifting transformer system
09/1993
09/14/1993	US5245272 Electronic control for series circuits
08/1993
08/24/1993	US5239255 Phase-controlled power modulation system
07/1993
07/20/1993	US5229577 Image forming apparatus utilizing an ac voltage control circuit
07/16/1993	CA2087138A1 Linear series pass regulator for voltage regulation of the output of a fuel cell power supply
06/1993
06/29/1993	US5223743 Adaptive current generating transconductance circuit
06/16/1993	EP0546652A1 Electric power unit
03/1993
03/30/1993	US5198747 Liquid crystal display driver and driver method
03/23/1993	US5196782 Touch-operated power control
02/1993
02/09/1993	WO1993003430A1 Phase-shifting transformer system
02/09/1993	CA2092084A1 Phase-shifting transformer system
01/1993
01/20/1993	CN1068237A Phase-controlled power modulation system
01/12/1993	US5179324 Dimmer with reduced filtering losses
11/1992
11/24/1992	US5166597 Phase-shifting transformer system
11/04/1992	CN1065960A Inductive current switching system and method
11/03/1992	US5161097 Electric power unit
10/1992
10/28/1992	EP0511007A1 Adaptive current generating circuit
10/20/1992	CA2061330A1 Inductive current switching system and method
09/1992
09/15/1992	US5148098 Apparatus for stepless control of electric loads by the phase angle principle and brightness controller using the apparatus
09/15/1992	US5148097 Apparatus for stepless control of electric loads by the phase angle principle and brightness controller using the apparatus
09/03/1992	WO1992015052A1 Phase-controlled power modulation system
07/1992
07/29/1992	EP0496654A1 Dimmer for a load, with minimal filtering losses

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