| 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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| 02/09/1993 | US5185538 Output circuit for semiconductor integrated circuits having controllable load drive capability and operating method thereof |
| 02/09/1993 | CA2092084A1 Phase-shifting transformer system |
| 02/04/1993 | WO1993002407A1 Improved power supply regulator |
| 02/04/1993 | DE4125033A1 Consumer appliance voltage supply circuit - has switch between pilot resistor and capacitor, with switch operation dependent on capacitor voltage |
| 02/03/1993 | EP0526445A1 Optically triggered high voltage switch network and method for switching a high voltage |
| 02/03/1993 | EP0525959A1 Switching circuit for over-voltage protection |
| 02/03/1993 | CN1068665A Chopped wave compensation type voltage-stabilizer for alternating current |
| 02/02/1993 | US5184290 Switching regulator |
| 02/02/1993 | US5184289 Magnetic control process for transfering energy in a static converter |
| 02/02/1993 | US5184061 Voltage regulator for generating a constant reference voltage which does not change over time or with change in temperature |
| 02/02/1993 | US5184031 Semiconductor integrated circuit |
| 01/28/1993 | DE4124650A1 Load management circuit for household appliances e.g. washing machine, dryer |
| 01/27/1993 | EP0524338A1 Input stage for digital signals |
| 01/26/1993 | US5182511 Detector circuit for detecting a phase signal of a polyphase alternator for a battery charge regulator in a motor vehicle, and utilization thereof |
| 01/26/1993 | US5182510 Charging system |
| 01/26/1993 | US5182462 Current source whose output increases as control voltages are balanced |
| 01/26/1993 | CA2074573A1 Apparatus for maintaining a low power loss within an input stage for digital signals |
| 01/21/1993 | DE4137277C1 Current limiter circuit e.g. for use in satellite - has Zener diode between control electrode of MOSFET and main current path and uses comparator to control limiting threshold |
| 01/21/1993 | DE4123416A1 Voltage source, generating constant source load - has non-inverting input of first amplifier coupled both to reference voltage source and to inner junction point of measuring resistor |
| 01/20/1993 | CN2126598Y Double protective fully automatic voltage stabilizer for household electric appliance |
| 01/20/1993 | CN1068237A Phase-controlled power modulation system |
| 01/19/1993 | US5180965 Direct-current power source circuit with back gate control circuit for power MOS-FET |
| 01/19/1993 | US5180963 Optically triggered high voltage switch network and method for switching a high voltage |
| 01/19/1993 | US5179950 Implanted apparatus having micro processor controlled current and voltage sources with reduced voltage levels when not providing stimulation |
| 01/19/1993 | CA1312917C Method and device for reducing the damaging effects of transients on the functioning of a buck cell |
| 01/14/1993 | DE4123105A1 Power regulation system for electrical lead e.g. motor - monitors supply voltage to power control device for adjusting pulse width modulation power regulation |
| 01/13/1993 | CN1067974A Miniature a. c. voltage stabilizer |
| 01/13/1993 | CN1019876C Multiple brush contact type automatic ac voltage regulator |
| 01/12/1993 | US5179539 Large scale integrated circuit having low internal operating voltage |
| 01/12/1993 | US5179493 Multiple power supply system |
| 01/12/1993 | CA1312649C Scheme for rapid adjustment of network impedance |
| 01/06/1993 | CN1067751A Circuit for generation internal supply voltage |
| 01/05/1993 | US5177695 Device and method for adaptive digital power control |
| 01/05/1993 | US5177676 Voltage source with enhanced source impedance control |
| 01/05/1993 | US5177431 Linear programming circuit for adjustable output voltage power converters |
| 01/05/1993 | US5177429 DC power source circuit |
| 01/05/1993 | US5177372 Parallel operation power supply control system |
| 12/30/1992 | EP0520663A2 Circuit to improve stability of high duty cycle current controlled PWM regulators |
| 12/30/1992 | EP0520480A2 High-voltage power source control device |
| 12/30/1992 | EP0520070A1 Low standby current intermediate dc voltage generator |
| 12/30/1992 | CN2126436U Automatically voltage regulating device for loading joystick transformer |
| 12/29/1992 | US5175490 Reference voltage source |
| 12/29/1992 | US5175488 Master ECL bias voltage regulator |
| 12/29/1992 | US5175487 Output circuit |
| 12/23/1992 | WO1992022951A1 Superconducting energy stabilizer having multiple load connections and employing dc-dc conversion |
| 12/23/1992 | EP0519658A2 Overvoltage sensor with hysteresis |
| 12/23/1992 | EP0519635A2 Method and apparatus for controlling the output voltage of an AC electrical system |
| 12/23/1992 | CN2125429U Power source for multifucntional playing game machine |
| 12/22/1992 | US5173655 Current regulator |
| 12/22/1992 | US5173616 Code setting circuit |
| 12/16/1992 | EP0518714A1 Current source adapted to rapid variations in the output voltage |
| 12/16/1992 | EP0380606B1 Battery-operated surface treatment apparatus having a booster function |
| 12/16/1992 | CN2125211U Transformer with automatic volume regulator |
| 12/15/1992 | US5172018 Current control device particularly for power circuits in mos technology |
| 12/15/1992 | US5172008 Multi-way sequential power-on circuit |
| 12/15/1992 | CA1311550C Control apparatus for a power converter |
| 12/09/1992 | EP0517375A2 Semiconductor integrated circuit device |
| 12/08/1992 | US5170333 Switching regulator operating in a continuous and discontinuous mode |
| 12/02/1992 | EP0515961A1 Circuit for controlling an AC |
| 12/01/1992 | US5168209 AC stabilization using a low frequency zero created by a small internal capacitor, such as in a low drop-out voltage regulator |
| 12/01/1992 | US5168175 Semiconductor integrated circuit using junction field effect transistor as current control element |
| 11/24/1992 | US5166871 Voltage regulation apparatus |
| 11/24/1992 | US5166597 Phase-shifting transformer system |
| 11/24/1992 | US5166562 Writable analog reference voltage storage device |
| 11/24/1992 | US5166543 Current regulating circuit for an inductive load, particularly automatic transmission |
| 11/19/1992 | EP0514064A2 Apparatus and method for eliminating false current limit triggering in a grounded source/emitter power switching circuit |
| 11/19/1992 | EP0513842A1 Power supply apparatus for magnetron driving |
| 11/19/1992 | DE4115760A1 Voltage control thermal disconnector - has temp. measuring appts. with semiconductor barrier layer, fitted in adjusting transistor region |
| 11/19/1992 | DE4115759A1 Voltage regulator with load current detector - has load current converter producing proportional sec. current and diode producing voltage proportional to current |
| 11/18/1992 | CN1066345A Reactive power compensating and relay protecting device for single chip microcomputer |
| 11/17/1992 | US5164891 Low noise voltage regulator and method using a gated single ended oscillator |
| 11/17/1992 | US5164681 Voltage-current conversion circuit |
| 11/17/1992 | US5164615 Method and apparatus for zero temperature coefficient reference voltage devices |
| 11/12/1992 | WO1992020020A1 Parallel supply for multiple loads from a single power supply |
| 11/12/1992 | DE4115156A1 Remote battery supply for electrical equipment - has power supply with output via switching stage operated to provide changeover in polarity for use in explosion proof applications |
| 11/12/1992 | DE4115017A1 Controllable voltage to current converter e.g. for controllable filter - has input stage formed by differential amplifier with fixed steepness or presettable control |
| 11/11/1992 | EP0512731A1 Voltage-to-current converter |
| 11/11/1992 | CN1066155A Self-adapting compensation process in-situ and compensating gear |
| 11/11/1992 | CN1066000A Spur therapeutic equipment |
| 11/10/1992 | US5163173 Variable impedance transformer with equalizing winding |
| 11/10/1992 | US5162721 Electronic system to discriminate a plurality of power sources |
| 11/10/1992 | US5162668 Small dropout on-chip voltage regulators with boosted power supply |
| 11/10/1992 | CA2067557A1 Optically triggered high voltage switch network and method for switching a high voltage |
| 11/10/1992 | CA1310052C Circuit for controlling power dissipated by an electrical resistance |
| 11/05/1992 | DE4114073A1 Voltage stabilising integrated circuit - has transistor module with two linked current sources controlled by integrated circuit |
| 11/04/1992 | EP0511856A1 Reference generator |
| 11/04/1992 | EP0511819A1 Variable power source circuit |
| 11/03/1992 | US5161097 Electric power unit |
| 11/03/1992 | US5160928 System for regulating the mean current flowing through the load of an electric remote control device |
| 11/03/1992 | US5160882 Voltage generator having steep temperature coefficient and method of operation |
| 11/03/1992 | US5160852 Power adapter |
| 10/28/1992 | EP0511007A1 Adaptive current generating circuit |
| 10/28/1992 | EP0510807A2 System powered power supply using dual transformer HVAC systems |
| 10/28/1992 | EP0510282A2 Shunt regulator with tunnel oxide reference |
| 10/27/1992 | US5159261 Superconducting energy stabilizer with charging and discharging DC-DC converters |
| 10/27/1992 | US5159255 Energy conserving electric induction motor field control method and apparatus |
| 10/21/1992 | EP0456728A4 Power supply system |
| 10/21/1992 | CN2119681U Electronic constant-voltage permanent-magnet type dc generator |
| 10/21/1992 | CN1065538A Constant voltage method and device for electronic voltage transformation |
| 10/21/1992 | CN1018785B Improvement in gate pulse generator for static var compensator |