| 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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| 09/29/1998 | US5815028 Method and apparatus for frequency controlled bias current |
| 09/29/1998 | US5815027 Circuit configuration for detecting a load current of a power semiconductor component with a source-side load |
| 09/29/1998 | US5815012 Voltage to current converter for high frequency applications |
| 09/29/1998 | US5814981 Voltage circuit for generating multiple stable voltages |
| 09/24/1998 | DE19711364A1 Voltage stabiliser for voltage supply device of motor vehicle |
| 09/24/1998 | DE19710440A1 Stromversorgungsschaltung Power supply circuit |
| 09/23/1998 | CN1194042A Voltage regulator controller having means for automatic configuration of accessory devices |
| 09/22/1998 | US5812422 Computer software for optimizing energy efficiency of a lighting system for a target energy consumption level |
| 09/22/1998 | US5812021 Semiconductor integrated circuit device having an internal power supply circuit capable of stably maintaining output level against load fluctuation |
| 09/22/1998 | US5812019 Open-loop MR biasing circuit with high power supply and common mode rejection |
| 09/22/1998 | US5812017 Charge pump voltage multiplier circuit |
| 09/22/1998 | US5812015 Boosting pulse generation circuit for a semiconductor integrated circuit |
| 09/22/1998 | US5811962 Power supply control circuit |
| 09/22/1998 | US5811948 Control apparatus for electric motor |
| 09/22/1998 | US5811861 Semiconductor device having a power supply voltage step-down circuit |
| 09/19/1998 | CA2231763A1 High precision reference voltage generator |
| 09/17/1998 | WO1998040803A1 Power supply circuit |
| 09/16/1998 | EP0864956A2 Low dropout regulators |
| 09/16/1998 | EP0864193A2 Apparatus and method for interline power flow control |
| 09/16/1998 | EP0802867B1 Current consumption control for several current consumers in a motor vehicle |
| 09/15/1998 | US5809315 Electronic apparatus |
| 09/15/1998 | US5809054 Method for stabilizing an AC system against reactive-load fluctuations, and a power-factor correction device |
| 09/15/1998 | US5808847 Electronic trip device comprising a power supply device |
| 09/15/1998 | US5808507 Temperature compensated reference voltage source |
| 09/15/1998 | US5808459 Design technique for converting a floating band-gap reference voltage to a fixed and buffered reference voltage |
| 09/15/1998 | US5808454 Alternating current power control device |
| 09/11/1998 | WO1998039693A1 Electronic circuit, semiconductor device, electronic equipment, and clock |
| 09/11/1998 | WO1998039692A1 Electric circuit and method for eliminating the influence of a voltage drop |
| 09/09/1998 | CN2290879Y 自动电压调节器 Automatic Voltage Regulator |
| 09/08/1998 | US5804999 Appliance AC power control apparatus |
| 09/08/1998 | US5804957 Constant current supply system for a variable resistance load |
| 09/08/1998 | US5804956 Current limitation programmable circuit for smart power actuators |
| 09/08/1998 | US5804955 Low voltage current limit circuit with temperature insensitive foldback network |
| 09/08/1998 | US5804954 Analog based tap position detector |
| 09/03/1998 | DE19709766C1 Controlling several coupled end stages esp. with gradient amplifier of nuclear resonance tomography e.g. Project 039 |
| 09/02/1998 | EP0862270A1 Staircase adaptive voltage generator circuit |
| 09/02/1998 | EP0862102A1 Load pole stabilized voltage regulator |
| 09/02/1998 | EP0752167A4 Method and apparatus for integrated circuit voltage regulation |
| 09/02/1998 | CN2290079Y Combination compensating voltage stabilizer |
| 09/02/1998 | CN1192281A Method and device for continuous adjustment and regulation of a transformer turns ratio, and transformer provided with such a device |
| 09/01/1998 | US5801911 Electric compressor driving apparatus for automobile |
| 09/01/1998 | US5801584 Constant-current circuit using field-effect transistor |
| 09/01/1998 | US5801575 Process and device controlling the operation of a portable electronic object supplied via its antenna |
| 09/01/1998 | US5801521 Planar magnetic element |
| 09/01/1998 | US5801520 Supply voltage switching apparatus |
| 09/01/1998 | US5801519 Self-excited power minimizer/maximizer for switching power converters and switching motor drive applications |
| 08/27/1998 | WO1998037471A1 Voltage regulator circuit |
| 08/27/1998 | DE19707422C1 Switching circuit for generation of DC supply voltage, for sensor unit in motor vehicle |
| 08/27/1998 | CA2281675A1 Voltage regulator circuit |
| 08/26/1998 | EP0860762A2 Circuit and method for generating a DC output voltage |
| 08/26/1998 | EP0860075A1 Energy monitoring and control system using reverse transmission on ac line |
| 08/26/1998 | CN2289345Y Constant power supply |
| 08/26/1998 | CN2289333Y Device for automatic compensating single phase reactive power |
| 08/25/1998 | US5798619 Power supply for energizing a remote resistive load |
| 08/25/1998 | US5798573 Split power supply |
| 08/20/1998 | WO1998036340A1 Power supply circuit of an electronic component in a test machine |
| 08/20/1998 | DE19706247A1 Controlled switching of electromagnet solenoid actuator e.g. for pump drive |
| 08/19/1998 | EP0859454A1 Switch mode booster of a photovoltaic source voltage, especially for a timepiece |
| 08/19/1998 | CN2288545Y Flywheel electric generator for large power voltage-limiting diesel engine |
| 08/18/1998 | US5796982 Switching regulator, an information processing apparatus and a control method for the same |
| 08/18/1998 | US5796601 Rectifier control system |
| 08/18/1998 | US5796567 Electronic circuit with protection against supply voltage overload |
| 08/18/1998 | US5796279 DC application circuit with suppressed DC magnetization |
| 08/18/1998 | US5796277 Power-transistor driving circuit for a single power source |
| 08/18/1998 | US5796215 Soft start circuit for self-oscillating drivers |
| 08/12/1998 | CN1190523A 镇流器 Ballast |
| 08/12/1998 | CN1190203A Reactive power compensation control method |
| 08/12/1998 | CN1190202A Power supply capable of expanding input voltage range |
| 08/11/1998 | US5793623 Air conditioning device |
| 08/11/1998 | US5793248 Providing an output current and powered from a supply voltage |
| 08/11/1998 | US5793123 Electronic device with two power supply modes |
| 08/11/1998 | CA2078795C Voltage stabilizing circuit |
| 08/06/1998 | WO1998034336A1 Driving mechanism for industrial installations, in particular for primary industry installations |
| 08/06/1998 | DE19704122A1 Antriebseinrichtung für Industrieanlagen, insbesondere für Anlagen der Grundstoffindustrie Drive means for industrial plants, especially for plants in the basic industries |
| 08/05/1998 | EP0856168A1 Reference voltage source with temperature compensation |
| 08/04/1998 | US5790392 Intelligent power supply with staged loading capability |
| 08/04/1998 | US5789971 Protection circuit and method for power transistors, voltage regulator using the same |
| 08/04/1998 | US5789907 For controlling the power from an alternating input power source to a load |
| 08/04/1998 | US5789723 Reduced flicker fusing system for use in electrophotographic printers and copiers |
| 08/04/1998 | US5788855 Method of producing circuit board |
| 08/04/1998 | CA2049075C Remote control of fluorescent lamp ballast using power flow interruptioncoding with means to maintain filament voltage substantially constant as the lamp voltage decreases |
| 07/30/1998 | DE19702911C1 Electronic source of arc-welding energy |
| 07/29/1998 | CN1188921A Simple and reliable compensation voltage regulator |
| 07/29/1998 | CN1188919A Improved half bridge independent-excitation inverter |
| 07/28/1998 | US5787014 Method and apparatus for automatically controlling integrated circuit supply voltages |
| 07/28/1998 | US5786970 Stabilized power source circuit and IC incorporating the same |
| 07/28/1998 | US5786686 Low-power consumption type semiconductor device |
| 07/28/1998 | US5786684 Apparatus and methods for minimizing over voltage in a voltage regulator |
| 07/23/1998 | WO1998032218A1 Oscillation circuit, electronic circuit, semiconductor device, electronic equipment and clock |
| 07/23/1998 | DE19701897A1 Solar power supply for small electronic device |
| 07/22/1998 | EP0854521A2 Solar cell array and solar power generation apparatus using it |
| 07/22/1998 | EP0853778A1 Analogue function network for selecting a characteristic curve |
| 07/22/1998 | EP0572567B1 Phase-controlled power modulation system |
| 07/21/1998 | US5783954 Linear voltage-to-current converter |
| 07/21/1998 | US5783935 Reference voltage generator and method utilizing clamping |
| 07/21/1998 | US5783876 Switch with controlled rise and fall characteristics |
| 07/21/1998 | CA2072813C Soft switching boost and buck regulators |
| 07/16/1998 | WO1998031085A1 Control device with forced operation function and semiconductor integrated circuit device |
| 07/16/1998 | CA2276135A1 Control device with forced operation function and semiconductor integrated circuit device |
| 07/15/1998 | EP0741881B1 Integrated circuit |