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)
11/1981
11/03/1981US4298971 Electronic timpiece
11/03/1981US4298811 MOS Voltage divider
10/1981
10/27/1981US4297697 Power supply method for liquid crystal display
10/27/1981US4297646 Current mirror circuit
10/21/1981EP0037818A1 Current source having saturation protection.
10/20/1981CA1111105A1 Current stabilizer
10/14/1981EP0037402A1 Semiconductor memory having a stabilized substrate bias and narrow-width transfer gates.
10/13/1981US4295210 Power supply system for monolithic cells
09/1981
09/30/1981EP0036494A2 Integrated MOS semiconductor circuit
09/29/1981US4292584 Constant current source
09/29/1981US4292583 Voltage and temperature stabilized constant current source circuit
09/23/1981EP0036246A2 Semiconductor memory device with substrate voltage biasing
09/22/1981CA1109520A1 Metal-oxide-semiconductor voltage reference
09/15/1981US4290005 Compensated reference voltage source
09/15/1981US4290004 Voltage regulator circuit
09/08/1981US4288740 Constant current switch
09/01/1981US4287467 Constant-voltage generator for integrated circuits
09/01/1981US4287439 MOS Bandgap reference
09/01/1981US4287438 Field effect transistor current source
08/1981
08/20/1981WO1981002348A1 Bandgap voltage reference employing sub-surface current using a standard cmos process
08/19/1981EP0034018A2 Power conditioning apparatus
08/18/1981US4284945 Current dividers using emitter-coupled transistor pairs
08/18/1981US4284905 IGFET Bootstrap circuit
08/11/1981US4283674 Constant voltage output circuit
08/11/1981US4283673 Means for reducing current-gain modulation due to differences in collector-base voltages on a transistor pair
08/11/1981US4283642 Regulation of current through depletion devices in a MOS integrated circuit
08/11/1981US4283641 Feedback biasing circuit arrangement for transistor amplifier
08/06/1981WO1981002233A1 Current mirror circuit
08/05/1981EP0033154A2 Monolithic integrated semiconductor circuit comprising transistors
08/04/1981US4282477 Series voltage regulators for developing temperature-compensated voltages
07/1981
07/29/1981EP0032588A2 Substrate bias generation circuit
07/28/1981US4281261 Integrated IGFET constant current source
07/28/1981CA1105995A1 Temperature compensated low voltage reference
07/21/1981US4280090 Temperature compensated bipolar reference voltage circuit
07/14/1981US4278988 Semiconductor device for providing a selectable reference voltage
07/14/1981US4278946 Current scaling circuitry
07/14/1981US4278929 Regulated negative voltage supply
07/08/1981EP0031678A1 A voltage regulator for a liquid crystal display
07/07/1981US4277739 Fixed voltage reference circuit
07/07/1981CA1104650A1 Capacitive voltage transformer with improved compensating reactor arrangement
06/1981
06/17/1981EP0030244A1 Mos device with substrate-bias generating circuit
06/16/1981US4274071 Three-phase ferroresonant transformer structure embodied in one unitary transformer construction
06/16/1981US4274061 Reference voltage source, in particular for amplifier circuits
06/16/1981US4274046 AC Resonance transformer
06/03/1981EP0029681A2 Bias-voltage generator
06/02/1981US4271364 Bistable hysteretic integrated circuit
05/1981
05/27/1981EP0029231A1 Reference voltage generator circuit
05/26/1981US4270081 Constant-current circuit
05/19/1981CA1101551A1 Memory circuit with protection circuit
05/12/1981US4267501 NMOS Voltage reference generator
05/12/1981CA1101061A1 Dc series voltage regulator with gating means for output to remain off until regulation level is reached
05/05/1981US4266151 Semiconductor circuit with at least two field effect transistors united in a semiconductor crystal
04/1981
04/21/1981USRE30586 Solid-state regulated voltage supply
04/21/1981US4263544 Reference voltage arrangement
04/21/1981US4263519 Bandgap reference
04/21/1981CA1099816A1 Substrate bias voltage generated from refresh oscillator
04/14/1981US4262298 Ram having a stabilized substrate bias and low-threshold narrow-width transfer gates
04/14/1981US4262245 High frequency ferroresonant transformer
04/14/1981US4262244 Circuit providing improved rejection to power supply variations to current sources driven therefrom
04/07/1981US4260955 Current amplifier with regenerative latch switch
04/07/1981US4260946 Reference voltage circuit using nested diode means
04/07/1981US4260945 Regulated current source circuits
04/07/1981US4260909 Back gate bias voltage generator circuit
04/02/1981WO1981000924A1 Current source having saturation protection
03/1981
03/31/1981US4259686 Circuit for producing a polarity-reversed voltage with opposite polarity to that of a power supply voltage
03/24/1981US4258312 Vital voltage regulator and phase shift circuit arrangement
03/24/1981US4258311 Constant voltage generator for generating a constant voltage having a predetermined temperature coefficient
03/24/1981US4258310 Selectively adjustable voltage detection integrated circuit
03/19/1981WO1981000791A1 Ram having a stabilized substrate bias and low-threshold narrow-width transfer gates
03/17/1981CA1097752A1 Current mirror circuit
03/11/1981EP0024903A2 A MIS device including a substrate bias generating circuit
03/11/1981EP0024448A1 Device for feeding power consumption units, particularly in a rail vehicle
03/10/1981US4255756 Substrate bias generator
03/10/1981US4255677 Charge pump substrate bias generator
03/05/1981WO1981000630A1 Controllable current source
03/05/1981WO1981000629A1 Current source
02/1981
02/17/1981US4251743 Current source circuit
02/11/1981EP0023782A2 Semiconductor device comprising EAROM cells
02/10/1981US4250493 Analog-to-digital converter employing constant-current circuit incorporating MISFET
02/10/1981US4250461 Current mirror amplifier
02/10/1981US4250445 Band-gap voltage reference with curvature correction
02/03/1981US4249123 Temperature compensated reference voltage regulator
02/03/1981US4249122 Temperature compensated bandgap IC voltage references
01/1981
01/28/1981EP0022930A1 Recharge circuit for a semi-conductor memory
01/28/1981EP0022870A1 Semiconductor circuit
01/27/1981CA1094651A1 Zero temperature coefficient reference circuit
01/20/1981US4246500 Current mirror circuit
01/13/1981US4245294 Power supply providing constant power output
01/13/1981US4245165 Reversible electrically variable active parameter trimming apparatus utilizing floating gate as control
01/07/1981EP0021509A1 Electronic subscriber connector
01/07/1981EP0021289A1 Constant current circuit
01/06/1981US4243948 Substantially temperature-independent trimming of current flows
12/1980
12/30/1980US4242693 Compensation of VBE non-linearities over temperature by using high base sheet resistivity devices
12/23/1980US4241315 Adjustable current source
12/16/1980US4240024 Temperature compensated current source
12/16/1980US4239980 Integrated circuit having an operation voltage supplying depletion type MISFET of high breakdown voltage structure
12/11/1980WO1980002773A1 Mos device with substrate-bias generating circuit
12/02/1980US4237414 High impedance output current source
12/02/1980US4237413 Circuit arrangement for stabilizing a direct current
11/1980
11/18/1980US4234841 Self-balancing bridge network