Patents
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)
01/1996
01/03/1996EP0689689A1 Energy saving power control system
01/02/1996US5481238 Compound inductors for use in switching regulators
12/1995
12/31/1995CA2151684A1 System for switching power and scrubbing for faults
12/28/1995WO1995035532A1 Circuit arrangement for decreasing the energy consumption and for protecting of a variable loaded asynchronous motor
12/27/1995EP0689118A2 Circuit arrangement for the generation of a constant output voltage
12/27/1995CN2216265Y Transient response and voltage control range improved ac voltage control unit
12/26/1995US5479329 For supplying electric current to a load
12/26/1995US5479093 Internal voltage generating circuit of a semiconductor device
12/26/1995US5479092 Curvature correction circuit for a voltage reference
12/26/1995US5479090 Power converter having optimal dynamic operation
12/26/1995US5479089 Power converter apparatus having instantaneous commutation switching system
12/26/1995US5479087 Synchronized switch tapped coupled inductor regulation circuit
12/26/1995US5479056 Power source device
12/26/1995CA2063643C Magnetoelectric generating system
12/20/1995EP0688077A2 Power delivery circuit with current sensing
12/20/1995CN1113615A Power supplying circuit
12/19/1995US5477556 High power laser diode driver utilizing a monolithic semiconductor device with a thyristor-like structured switch
12/19/1995US5477279 circuit for saving power consumption in standby state
12/19/1995US5477135 Current probe
12/19/1995US5477132 Multi-sectioned power converter having current-sharing controller
12/17/1995CA2125996A1 Power supply device
12/14/1995DE4442466C1 Circuit for generating regulated output voltage from unregulated input voltage
12/13/1995EP0686903A2 Method to reduce the power consumption of an electronic device comprising a voltage regulator
12/13/1995EP0686902A2 Method and apparatus for controlling the power consumption of an electronic device
12/13/1995EP0607246B1 Regulated auxiliary power supply
12/13/1995CN2215156Y Powerfactor automatic regulating controller
12/12/1995US5475332 Power source circuit
12/12/1995US5475297 Power supply circuit for an electric discharge machine
12/07/1995WO1995033232A1 High precision voltage regulation circuit for programming multilevel flash memory
12/07/1995DE19517373A1 Voltage generating circuit for testing large scale integrated circuit
12/06/1995EP0685924A2 Solar cell system and intermittent motion apparatus using same
12/06/1995EP0685782A2 Voltage regulator
12/06/1995EP0398943B1 Shunt regulator
12/06/1995CN2214683Y Precision a.c automatic voltage stabilizer
12/06/1995CN2214682Y Automatic voltage regulator with input voltage indicator
12/05/1995US5473526 System and method for power-efficient charging and discharging of a capacitive load from a single source
12/05/1995US5473201 Control circuit means for controlling the after-running of an operating device in a motor vehicle
12/05/1995CA1337702C Multiple location dimming system
11/1995
11/30/1995DE4417252A1 FET with weak inversion circuit
11/29/1995EP0683933A1 An emergency power system.
11/29/1995CN2214010Y Separation protection regulated power supply
11/29/1995CN2214009Y Automatic a.c. manostat
11/28/1995US5471167 Circuit for use with a feedback arrangement
11/28/1995US5471130 Power supply controller having low startup current
11/23/1995WO1995031762A1 Voltage regulator
11/23/1995WO1995031761A1 Dual voltage voltage regulator with foldback current limiting
11/22/1995EP0434841B1 Power source circuit
11/22/1995CN2213397Y Compensation silicon rectifying charging unit
11/22/1995CN1112250A Voltage regulator and method therefor
11/22/1995CN1030362C Optimized 18-pulse type AC/DC, or DC/AC, converter system
11/21/1995US5469046 Transformerless low voltage switching power supply
11/21/1995US5469044 Transmission line power flow controller with unequal advancement and retardation of transmission angle
11/16/1995WO1995031040A1 Switch with controlled rise and fall characteristics
11/16/1995DE4424886C1 Layout configuration representation system using monitor field
11/16/1995CA2189771A1 Switch with controlled rise and fall characteristics
11/15/1995EP0681808A2 Electronic vacuum cleaner control system
11/15/1995CN2212799Y Constant current feeding apparatus capable of resisting high-voltage impact
11/15/1995CN2212798Y Bidirectional automatic reversing apparatus for full-automatic ac voltage-stabilized source
11/15/1995CN1111770A Power supply device, liquid crystal display device, and method of supplying power
11/14/1995US5467049 Solid-state switch
11/14/1995US5467009 Voltage regulator with multiple fixed plus user-selected outputs
11/14/1995US5466973 Delivery point voltage regulation in electric energy distribution networks
11/13/1995CA2149187A1 Electronic vacuum cleaner control system
11/09/1995WO1995030183A1 Electronic circuit for reducing the current consumption of a transformer
11/09/1995WO1995030182A1 High-efficiency power supply
11/09/1995DE19515786A1 Solar energy system
11/08/1995EP0681362A1 Digital current mode PWM control
11/08/1995EP0540661B1 Miniaturized switching power supply having unidirectional spike filter
11/08/1995CN1111368A voltage regulator with rolling brush
11/07/1995US5465201 Overload protection of switch mode converters
11/07/1995US5465041 Bipolar tracking current source/sink with ground clamp
11/02/1995WO1995029532A1 Impedance emulator
11/02/1995EP0679269A1 Voltage controller
10/1995
10/31/1995US5463653 Power converter device for direct current power supply to an electric arc furnace
10/31/1995US5463588 Dynamic memory device having a plurality of internal power sources
10/31/1995US5463521 Power supply protection circuit
10/31/1995US5463307 High efficiency, low voltage adapter apparatus and method
10/31/1995US5463287 Discharge lamp lighting apparatus which can control a lighting process
10/26/1995WO1995028819A1 Low height ballast for fluorescent lamps
10/25/1995EP0679049A1 Gas discharge lamp ballast circuit
10/25/1995EP0678963A2 Method and apparatus for controlling the power consumption of an electronic device
10/25/1995CN2211140Y Contact-less automatic voltage regulater for distribution transformer
10/25/1995CN2211082Y Pulse-width control type automatic ac. stabilizer
10/19/1995WO1995027931A1 Load tap changer
10/19/1995CA2147016A1 Gas discharge lamp ballast circuit with compact starting circuit
10/18/1995EP0677907A1 Overcurrent protection device
10/18/1995EP0677810A1 Combination of terminator apparatus enhancements
10/18/1995EP0677225A1 System for providing voltage in a voltage line common to a plurality of electrical units
10/18/1995CN2210484Y Remote control standard electric wire box
10/18/1995CN2210417Y Double compensation AC voltage stabilizing transformer of three phase net work compreheision type
10/17/1995US5459423 Semiconductor integrated circuit for a stable constant delay time
10/17/1995CA2007458C Electric power supply equipment and method
10/12/1995WO1995027239A1 Voltage regulators
10/12/1995DE19505502A1 Voltage generator for semiconductor element
10/11/1995EP0676862A1 Direct-current impressing circuit
10/11/1995EP0676857A2 Accurate reference generation technique valid during system power-up transients
10/11/1995EP0676856A2 Efficient, well regulated, DC-DC power supply up-converter for CMOS integrated circuits
10/11/1995EP0676855A2 Supply-discriminating supply-adaptive electronic system
10/11/1995CN2209806Y Full-automatic manostat for charging support of miner's lamp
10/11/1995CN1030020C Internal voltage transducer of semiconductor integrated circuit