Patents
Patents for G05F 3 - Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties (12,739)
04/1988
04/06/1988EP0262357A2 CMOS integrated circuit with a substrate bias generator
04/06/1988EP0262156A1 Cmos voltage translator
04/05/1988US4736154 Voltage regulator based on punch-through sensor
04/05/1988US4736153 Voltage sustainer for above VCC level signals
04/05/1988US4736126 Trimmable current source
04/05/1988US4736125 Unbuffered TTL-to-ECL translator with temperature-compensated threshold voltage obtained from a constant-current reference voltage
04/05/1988CA1234864A1 Device for regulating ac current circuit
03/1988
03/30/1988EP0261371A2 Integrated circuit with latch-up protection circuit fabricated by complementary MOS technology
03/30/1988EP0261370A2 Integrated circuit having latch-up protection circuit fabricated by complementary MOS technology
03/29/1988US4734593 CML bias generator
03/23/1988EP0260752A1 Active symmetrical balance hybrid circuit
03/23/1988EP0260474A1 Power supply adapter systems
03/22/1988US4733163 Digitally controlled current source
03/22/1988US4733162 Thermal shutoff circuit
03/22/1988US4733161 Constant current source circuit
03/22/1988US4733160 Circuit for generating a reference voltage having a predetermined temperature drift
03/22/1988US4733108 On-chip bias generator
03/16/1988EP0260095A1 Digitally selectable, multiple current source proportional to a reference current
03/15/1988CA1234188A1 Reference voltage generating circuit
03/09/1988EP0259207A1 Current source with an active load and method for its realization
03/08/1988US4730127 Method of matching currents from split collector lateral pnp transistors
03/08/1988US4730122 Power supply adapter systems
03/02/1988EP0257345A2 Compensated current mirror
02/1988
02/23/1988US4727309 Current difference current source
02/17/1988CN87202840U Power regulator for electric heating cooking utensils
02/16/1988US4725770 Reference voltage circuit
02/16/1988CA1232953A1 Circuit for generating a substrate bias
02/02/1988US4723108 Reference circuit
01/1988
01/28/1988DE3624586A1 Constant current source
01/13/1988EP0252320A1 Voltage reference for transistor constant-current source
01/12/1988US4719369 Output circuit having transistor monitor for matching output impedance to load impedance
01/05/1988US4717869 Controlled current source apparatus for signals of either polarity
01/05/1988US4717845 TTL compatible CMOS input circuit
12/1987
12/29/1987US4716358 Constant current circuits
12/29/1987US4716356 JFET pinch off voltage proportional reference current generating circuit
12/22/1987US4714901 Temperature compensated complementary metal-insulator-semiconductor oscillator
12/22/1987US4714872 Voltage reference for transistor constant-current source
12/22/1987US4714871 Level shifter for a power supply regulator in a television apparatus
12/16/1987CN86210400U Voltage stabilizer for three-phase supra-insulation anti-interference power supply
12/15/1987US4713599 Programmable trimmable circuit having voltage limiting
12/09/1987EP0248381A1 Power voltage regulator circuit
12/08/1987US4712171 Electrical power source
12/05/1987CN86209230U Microcomputerized dc voltage stabilizer
12/02/1987EP0247871A2 Variable phase shifting circuit
12/02/1987EP0080567B1 Semiconducter integrated current source
12/01/1987US4710647 Substrate bias generator including multivibrator having frequency independent of supply voltage
11/1987
11/25/1987EP0246251A1 Installation for providing a filtered and stabilized mains voltage.
11/24/1987US4709168 Reference voltage generating circuit for enhancement/depletion MOSFET load circuit for driving logic circuits
11/24/1987US4709165 Voltage supply level detecting circuit
11/24/1987US4709163 Current-discrimination arrangement
11/11/1987EP0115897B1 Current source arrangement
11/10/1987US4706013 Matching current source
11/10/1987US4705966 Circuit for generating a substrate bias
11/03/1987CA1228897A1 Differential reference voltage generator for nmos single-supply integrated circuits
10/1987
10/27/1987US4703250 Electric supply
10/27/1987US4703249 Stabilized current generator with single power supply, particularly for MOS integrated circuits
10/21/1987EP0241976A1 Circuit arrangement to produce a DC voltage from a sinusoidal input voltage
10/20/1987US4701694 Digitally selectable, multiple current source proportional to a reference current
10/20/1987US4701637 Substrate bias generators
10/13/1987US4700144 Differential amplifier feedback current mirror
10/08/1987DE3611548A1 Current mirror circuit
09/1987
09/30/1987EP0238903A1 Reference current source
09/24/1987WO1987005760A1 Cmos voltage translator
09/22/1987US4695746 Substrate potential generating circuit
09/22/1987US4695745 Monolithic semiconductor integrated circuit with programmable elements for minimizing deviation of threshold value
09/16/1987EP0237086A1 Current mirror circuit
09/15/1987US4694199 Circuit arrangement for producing a fluctuation-free d-c voltage level of a d-c voltage
09/11/1987WO1987005412A1 Improvements in ferroresonant constant-voltage transformers
09/08/1987US4692781 Semiconductor device with electrostatic discharge protection
09/08/1987US4692711 Current mirror circuit
09/08/1987US4692689 FET voltage reference circuit with threshold voltage compensation
09/02/1987EP0234628A1 Circuit arrangement for supplying a drive voltage to a current source circuit
09/01/1987US4691304 Semiconductor device having an arrangement for preventing operational errors
09/01/1987CA1226340A1 Bias circuit for multifunction bipolar integrated circuits
08/1987
08/27/1987DE3705147A1 Schaltung zum erzeugen eines inneren potentials Circuit for generating an inner potential
08/27/1987DE3605543A1 Circuit arrangement for limiting the supply voltage of a clock circuit
08/25/1987US4689549 Monolithic current splitter for providing temperature independent current ratios
08/12/1987EP0231872A2 Switching current source
08/12/1987EP0231204A1 Back bias generator.
08/11/1987US4686451 GaAs voltage reference generator
08/11/1987US4686449 JFET current source with high power supply rejection
08/11/1987US4686388 Integrated circuit substrate bias selection circuit
08/04/1987US4684880 Reference current generator circuit
08/04/1987US4684878 Transistor base current regulator
07/1987
07/29/1987EP0231204A4 Back bias generator.
07/28/1987US4683416 Voltage regulator
07/28/1987US4683414 Battery economising circuit
07/23/1987DE3701186A1 Integrated circuit device
07/21/1987US4682098 Voltage-current converter
07/21/1987CA1224543A1 Constant-current source circuit and differential amplifier using the same
07/07/1987US4678985 Two-terminal line-powered control circuit
07/07/1987US4678935 Inner bias circuit for generating ECL bias voltages from a single common bias voltage reference
07/02/1987DE3638644A1 Substrate-potential generating device
07/01/1987EP0226721A1 Switchable bipolar current source
06/1987
06/30/1987US4677369 CMOS temperature insensitive voltage reference
06/30/1987US4677368 Precision thermal current source
06/23/1987US4675593 Voltage power source circuit with constant voltage output
06/23/1987US4675592 Voltage output circuit
06/23/1987US4675557 CMOS voltage translator
06/16/1987US4673867 Current mirror circuit and method for providing zero temperature coefficient trimmable current ratios