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)
01/1993
01/12/1993US5179357 High g temperature compensated current source
01/12/1993US5179356 Circuit arrangement for the compensation of the control current of a transistor
01/12/1993US5179297 CMOS self-adjusting bias generator for high voltage drivers
01/12/1993US5179296 Charge pump substrate bias circuit
01/06/1993CN1067773A Circuit for sensing back-bias level in semiconductor memory device
01/06/1993CN1067751A Circuit for generation internal supply voltage
12/1992
12/30/1992EP0520858A1 Current mirror functioning at low voltages
12/30/1992EP0520070A1 Low standby current intermediate dc voltage generator
12/29/1992US5175490 Reference voltage source
12/29/1992US5175489 Current-detecting circuit
12/29/1992US5175488 Master ECL bias voltage regulator
12/24/1992DE4139163A1 Referenzspannungserzeugungsschaltkreis Reference voltage generating circuit
12/24/1992DE4135148A1 Schaltkreis zum feststellen des rueckwaertigen vorspannungspegels in einer halbleiterspeichervorrichtung Circuit to determine the rearward bias level in a semiconductor memory device
12/22/1992US5173656 Reference generator for generating a reference voltage and a reference current
12/22/1992US5173625 Method and apparatus for conversion of signal level from ecl to ttl
12/22/1992US5173616 Code setting circuit
12/16/1992EP0518714A1 Current source adapted to rapid variations in the output voltage
12/09/1992EP0517375A2 Semiconductor integrated circuit device
12/09/1992CN1066926A Circuit for generating very small currents
12/01/1992US5168210 Band-gap reference circuit
12/01/1992US5168209 AC stabilization using a low frequency zero created by a small internal capacitor, such as in a low drop-out voltage regulator
11/1992
11/25/1992EP0515065A1 Bias start-up circuit
11/24/1992US5166562 Writable analog reference voltage storage device
11/24/1992US5166553 Current mirror circuit employing depletion mode FETs
11/19/1992EP0513928A1 Constant voltage circuit
11/19/1992EP0513893A2 Current memory cell
11/19/1992EP0296193B1 Ttl compatible cmos input circuit
11/19/1992DE4115759A1 Voltage regulator with load current detector - has load current converter producing proportional sec. current and diode producing voltage proportional to current
11/17/1992US5164681 Voltage-current conversion circuit
11/17/1992US5164658 Current transfer circuit
11/17/1992US5164615 Method and apparatus for zero temperature coefficient reference voltage devices
11/17/1992US5164614 Low power bias voltage generating circuit comprising a current mirror
11/11/1992EP0512263A1 Circuit for generating very weak currents
11/10/1992US5163168 Pulse signal generator and redundancy selection signal generator
11/04/1992EP0511858A2 DAC current source structure
11/04/1992EP0511675A2 Semiconductor device for generating constant potential
11/04/1992EP0511417A1 Method and means for suppressing geomagnetically induced currents
11/03/1992US5160882 Voltage generator having steep temperature coefficient and method of operation
11/03/1992US5160858 Field-effect transistor circuit
11/03/1992US5160856 Reference voltage regulator semiconductor integrated circuit
10/1992
10/29/1992WO1992018923A1 Circuit for generating very low currents
10/28/1992EP0511007A1 Adaptive current generating circuit
10/28/1992EP0510530A2 Structure for temperature compensating the inverse saturation current of bipolar transistors
10/27/1992US5159260 Reference voltage generator device
10/21/1992EP0509073A1 Regulated voltage dual-wire-type detector
10/21/1992CN1065532A Reference current generating circuit
10/20/1992US5157285 Low noise, temperature-compensated, and process-compensated current and voltage control circuits
10/20/1992US5157283 Tree decoder having two bit partitioning
10/20/1992US5157278 Substrate voltage generator for semiconductor device
10/14/1992EP0508360A1 Sampled band-gap voltage reference circuit
10/14/1992EP0508327A2 CMOS-Bandgap reference circuit
10/14/1992CN1065365A Voltage reference circuit
10/13/1992US5155429 Threshold voltage generating circuit
10/13/1992US5155394 Bias distribution circuit and method using FET and bipolar
10/13/1992US5155385 Semiconductor integrated circuit device having a bias supply current
10/13/1992US5155384 Bias start-up circuit
10/06/1992US5153500 Constant-voltage generation circuit
10/06/1992US5153453 High voltage majority carrier rectifier
10/06/1992CA1308438C Inductor apparatus for application to ferroresonant regulators
10/01/1992WO1992016887A1 Semiconductor device and built-in power circuit
10/01/1992DE4117324A1 Voltage reference circuit of analogue integrated type - represents imperative circuit for A=D and D=A converter, having operation amplifier with inverting input terminal connected to output terminal
09/1992
09/30/1992EP0343177B1 Digital-to-time converter
09/23/1992EP0505158A2 Integrated semiconductor circuit
09/23/1992EP0504983A1 Reference circuit for supplying a reference current with a predetermined temperature coefficient
09/23/1992EP0504979A2 Reference voltage generator
09/22/1992US5150325 Bi-CMOS semiconductor memory device, including improved layout structure and testing method
09/22/1992US5150188 Reference voltage generating circuit device
09/22/1992US5149988 BICMOS positive supply voltage reference
09/22/1992US5149199 Temperature detection circuit used in thermal shielding circuit
09/16/1992EP0503888A1 Bias voltage generation circuit of ECL level for decreasing power consumption thereof
09/15/1992US5148099 Radiation hardened bandgap reference voltage generator and method
09/08/1992US5146188 Constant current circuit and an oscillating circuit controlled by the same
09/08/1992US5146152 Circuit for generating internal supply voltage
09/08/1992US5146114 Comparator circuit
09/08/1992US5146110 Semiconductor memory with substrate voltage generating circuit for removing unwanted substrate current during precharge cycle memory mode of operation
09/01/1992US5144585 Supply voltage converter for high-density semiconductor memory device
09/01/1992US5144223 Bandgap voltage generator
09/01/1992US5144172 Detection circuit of the current in an mos type power transistor
08/1992
08/26/1992EP0499673A1 Control circuit for a substrate bias generator
08/26/1992EP0499657A1 Integratable shunt regulator
08/25/1992US5142696 Current mirror having increased output swing
08/19/1992EP0498799A1 Integratable temperature sensor circuit
08/18/1992US5140281 Amplifier circuit
08/18/1992US5140181 Reference voltage source circuit for a Darlington circuit
08/12/1992EP0498727A1 Circuit generating a temperature dependent reference voltage, especially to control the battery charge voltage from a generator
08/06/1992WO1992013390A1 Low standby current intermediate dc voltage generator
08/04/1992US5136453 Method and means for suppressing geomagnetically induced currents
08/04/1992US5136182 Controlled voltage or current source, and logic gate with same
07/1992
07/29/1992EP0496424A2 Constant-voltage generating circuit
07/28/1992US5134358 Improved current mirror for sensing current
07/23/1992WO1992013387A1 Integrated mosfet resistance and oscillator frequency control and trim methods and apparatus
07/22/1992EP0495573A2 CMOS voltage controlled oscillator
07/21/1992US5132556 Bandgap voltage reference using bipolar parasitic transistors and mosfet's in the current source
07/15/1992EP0494420A1 Current sink
07/14/1992US5130637 Constant voltage generating circuit
07/14/1992US5130636 Protective circuit for providing a reference voltage at a backplane
07/07/1992US5128730 Semiconductor device and a circuit suitable for use in an intelligent power switch
07/07/1992US5128564 Input bias current compensation for a comparator
07/01/1992EP0492117A2 Current source with adjustable temperature variation
06/1992
06/30/1992US5126689 Direct-coupled grounded-base amplifier, semiconductor device and information processing device having the amplifier therein