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