| 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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| 03/28/1995 | US5402059 Switching power supply operating at little or no load |
| 03/22/1995 | EP0644473A2 Bipolar tracking current source/sink with ground clamp |
| 03/22/1995 | EP0644011A1 Method, apparatus to predetermine the welding current |
| 03/22/1995 | EP0355119B1 Voltage regulator |
| 03/22/1995 | CN2192904Y High anti-interference electronic manostat for vehicle instrument |
| 03/21/1995 | US5400240 Power converter apparatus |
| 03/21/1995 | US5399958 Switching power supply circuit having a reduced ripple voltage |
| 03/21/1995 | US5399955 Power factor improving arrangement |
| 03/16/1995 | DE4431462A1 Method for the temperature correction of the electrical operating variables of a plurality of similar electrical loads |
| 03/15/1995 | EP0643486A1 Reference voltage generating circuit |
| 03/15/1995 | EP0642681A1 Method and apparatus for controlling a current generator. |
| 03/15/1995 | CN1100241A Improved power converter device for direct current power supply to an electric arc furnace |
| 03/15/1995 | CN1100239A Method for stabilizing a power supply network against reactive load fluctuations, and a power factor compensation device |
| 03/14/1995 | US5398182 Power supply |
| 03/14/1995 | US5397979 Integrated circuit with constant-voltage control circuit |
| 03/14/1995 | US5397976 Control system for voltage controlled bilateral current source |
| 03/09/1995 | WO1995006972A1 Switching regulator having high current prevention features |
| 03/09/1995 | DE4330210A1 Stabilisation circuit |
| 03/09/1995 | DE4329917A1 Set arrangement for the switched feeding of an electromagnetic load |
| 03/09/1995 | DE4328511A1 Turn-on control method and turn-on control circuit for an invertor coupling a solar generator to the electricity mains |
| 03/08/1995 | CN2191451Y Mini-conversion power unit |
| 03/07/1995 | US5396193 Frequency response-compensated circuit |
| 03/07/1995 | US5396165 Efficient power transfer system |
| 03/07/1995 | US5396113 Electrically programmable internal power voltage generating circuit |
| 03/02/1995 | DE4431012A1 Elektrischer Energieflußregler für Solargenerator Electrical Energieflußregler for solar generator |
| 03/01/1995 | EP0640904A2 Curvature correction circuit for a voltage reference |
| 03/01/1995 | EP0640016A1 Variable inductance current limiting reactor control system for electrostatic precipitator. |
| 03/01/1995 | CN1099491A Voltage compensation circuit and display apparatus |
| 03/01/1995 | CN1099489A Balance control device of driving signal of power switching tube |
| 02/28/1995 | US5394077 Internal power supply circuit for use in a semiconductor device |
| 02/28/1995 | US5394076 Pulse width modulated power supply operative over an extended input power range without output power dropout |
| 02/28/1995 | US5394028 Apparatus for transitioning between power supply levels |
| 02/28/1995 | US5394026 Substrate bias generating circuit |
| 02/23/1995 | WO1995005697A1 Device for compensation of reactive power in electrical systems |
| 02/22/1995 | EP0639886A1 A voltage step-up circuit with regulated output voltage |
| 02/22/1995 | EP0639880A2 Method for stabilising a network against reactive power oscillations and device for compensating reactive power |
| 02/22/1995 | EP0639284A1 Low loss recirculation apparatus |
| 02/22/1995 | CN2190316Y A.C. voltage stabilizer with soft initiation |
| 02/21/1995 | US5391981 Current source adapted to allow for rapid output voltage fluctuations |
| 02/21/1995 | US5391927 Apparatus for improving rise characteristics of direct current power supply |
| 02/15/1995 | EP0638857A1 Circuit for use with a feedback arrangement |
| 02/14/1995 | US5390064 Current limiters in power utility applications |
| 02/08/1995 | CN2189345Y Low voltage protection device for electrophonic musical instrument |
| 02/08/1995 | CN2189326Y Regulated power supply |
| 02/08/1995 | CN2189325Y Automatic and two direction compensation ac regulated power supply |
| 02/08/1995 | CN2189324Y Intelligence and compesation type ac regulated power supply |
| 02/08/1995 | CN2189323Y Energy saving type means for regulating voltage |
| 02/07/1995 | US5388064 Programmable non-volatile analog voltage source devices and methods |
| 02/07/1995 | US5387830 Semiconductor device with excess current prevention circuit |
| 02/07/1995 | US5387820 Power supply circuit |
| 02/07/1995 | CA1334299C Electric lighting and power controllers therefor |
| 02/02/1995 | DE4325436A1 Method for regulating photovoltaic solar systems and circuit arrangements for carrying out the method |
| 02/02/1995 | DE4314056A1 Switching arrangement for eliminating ripples in the system voltage of motor vehicles |
| 02/01/1995 | EP0637122A1 An apparatus and method of controlling a step-down ratio of an autotransformer in response to an input voltage |
| 01/31/1995 | US5386187 Method for anticipatory control of a switched-mode power supply for compensating for fluctuations in feed voltage and circuit configuration for performing the method |
| 01/26/1995 | WO1995002914A1 Buffered d.c. power supply |
| 01/26/1995 | WO1995002859A1 Optimization circuit |
| 01/26/1995 | CA2167195A1 Buffered d.c. power supply system |
| 01/25/1995 | EP0635923A1 Circuit for protection against high energy overvoltages with controlled voltage clipping |
| 01/24/1995 | US5384530 Bootstrap voltage reference circuit utilizing an N-type negative resistance device |
| 01/18/1995 | EP0634833A1 Control system for power converter |
| 01/18/1995 | EP0614568A4 Programmable non-volatile analog voltage source devices and methods. |
| 01/18/1995 | EP0465507B1 Fault-powered power supply |
| 01/18/1995 | CN2187808Y Large power dc current stabilizing power supply |
| 01/17/1995 | US5383086 System and method for triggering an inductive consumer |
| 01/17/1995 | US5383080 Semiconductor integrated circuit having voltage limiter circuit |
| 01/17/1995 | US5382843 One or two transistor logic with temperature compensation and minimized supply voltage |
| 01/11/1995 | EP0633652A2 A DC voltage supply circuit |
| 01/11/1995 | EP0633641A1 Reactive power compensating apparatus capable of reducing in switching loss in steady state operation thereof |
| 01/11/1995 | EP0633516A1 Voltage compensation circuit and display apparatus |
| 01/10/1995 | US5381049 Power supply apparatus for a system composed of plural electronic units |
| 01/05/1995 | WO1995001084A1 Soft switching circuitry |
| 01/05/1995 | WO1995000894A1 Overload management system |
| 01/04/1995 | EP0632562A2 Power regulation for redundant battery supplies |
| 01/04/1995 | EP0632561A2 Power supply installation |
| 01/04/1995 | EP0632357A1 Voltage reference circuit with programmable temperature coefficient |
| 01/04/1995 | EP0632278A1 Power on system |
| 01/04/1995 | EP0631836A1 Power supply circuit for electric discharge machine |
| 01/04/1995 | EP0484360B1 Electrical switching circuit |
| 01/04/1995 | CN2186927Y 功率因数传感器 Power factor sensor |
| 01/03/1995 | US5379230 Semiconductor integrated circuit having semiconductor output device driving external load and microprocessor unit |
| 01/03/1995 | US5379178 Method and device for triggering an electromagnetic consumer |
| 01/03/1995 | US5378978 System for controlling an electrostatic precipitator using digital signal processing |
| 01/03/1995 | CA2125611A1 Power on system |
| 12/28/1994 | EP0569557A4 Phase-shifting transformer system. |
| 12/27/1994 | US5377273 Batteryless power supply for transducers |
| 12/27/1994 | US5376840 Semiconductor integrated circuit |
| 12/27/1994 | US5376839 Large scale integrated circuit having low internal operating voltage |
| 12/27/1994 | US5376834 Initialization circuit for automatically establishing an output to zero or desired reference potential |
| 12/22/1994 | DE4343822C1 Device for automatically setting an optimum operating point for the operation of a load on a voltage source |
| 12/20/1994 | US5375053 Controlled power supply |
| 12/20/1994 | US5375029 Overcurrent protection circuit of power device and semiconductor integrated circuit device |
| 12/20/1994 | US5374887 Inrush current limiting circuit |
| 12/14/1994 | EP0628901A2 Power control apparatus and method and power generating system using them |
| 12/13/1994 | US5373225 Low-drop voltage regulator |
| 12/13/1994 | US5373224 Method and apparatus for varying the power in a load connected to the mains |
| 12/13/1994 | US5373197 High voltage dual output laboratory power supply |
| 12/13/1994 | US5373194 Reactive power control system |
| 12/08/1994 | WO1994028474A1 Thermal protection circuit for a high voltage linear regulator |
| 12/08/1994 | DE4419236A1 Voltage control circuit and PTC element for motor vehicles |