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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03/06/1990 | US4906915 Voltage to absolute value current converter |
03/06/1990 | US4906914 Intermediate potential generation circuit for generating a potential intermediate between a power source potential and ground potential |
03/06/1990 | US4906868 Logic circuit using bipolar complementary metal oxide semiconductor gate and semiconductor memory device having the logic circuit |
03/06/1990 | US4906863 Wide range power supply BiCMOS band-gap reference voltage circuit |
02/28/1990 | EP0356020A1 A bias voltage generator for static CMOS circuits |
02/28/1990 | EP0355918A1 Voltage-to-current converter |
02/27/1990 | US4905056 Superlattice precision voltage reference |
02/27/1990 | US4904885 Substrate bias circuit having substrate bias voltage clamp and operating method therefor |
02/21/1990 | EP0354932A1 Voltage sources. |
02/20/1990 | US4902959 Band-gap voltage reference with independently trimmable TC and output |
02/14/1990 | EP0354735A2 Constant voltage generating circuit for selectively generating a constant voltage at a high-speed |
02/14/1990 | EP0354547A1 Regulator of power source for superconducting circuit |
02/13/1990 | US4901002 Current source having a wide range of output voltages |
02/07/1990 | CN2052553U Regulated power supply of step-up switch of transistor |
02/06/1990 | USH743 Low current voltage reference |
02/06/1990 | US4899152 Method and apparatus for temperature compensating a digital to analog converter |
01/31/1990 | EP0353039A1 Compensated current sensing circuit |
01/31/1990 | EP0352494A1 A reduced turn-off current draw starter circuit for a stabilized band-gap voltage source in integrated circuits |
01/30/1990 | US4897614 Current mirror circuit |
01/30/1990 | US4897595 Band-gap reference voltage circuit with feedback to reduce common mode voltage |
01/30/1990 | US4897594 High gain driver circuit and method |
01/30/1990 | US4897565 Logic circuit using Schottky barrier FETs |
01/30/1990 | US4897555 Current split circuit having a digital to analog converter |
01/24/1990 | EP0352044A1 Transistor base current compensation circuitry |
01/24/1990 | EP0135504B1 Substrate bias control circuit and method |
01/23/1990 | US4896121 Current mirror for depletion-mode field effect transistor technology |
01/23/1990 | US4896094 Bandgap reference circuit with improved output reference voltage |
01/17/1990 | EP0350857A1 Fully-differential reference voltage source |
01/16/1990 | US4894622 Integrated current-mirror arrangement comprising vertical transistors |
01/16/1990 | US4894561 CMOS inverter having temperature and supply voltage variation compensation |
01/11/1990 | WO1990000326A1 Electronic devices and signal comparator using same |
01/10/1990 | EP0349837A2 An electronic circuit with a protection device against fluctuations in the supply battery voltage |
01/09/1990 | US4893069 Ferroresonant three-phase constant AC voltage transformer arrangement with compensation for unbalanced loads |
01/03/1990 | EP0246251B1 Installation for providing a filtered and stabilized mains voltage |
12/28/1989 | EP0296193A4 Ttl compatible cmos input circuit. |
12/26/1989 | US4890052 Temperature constant current reference |
12/26/1989 | US4890051 CMOS input buffer stable for the variation of a power supplying voltage |
12/26/1989 | US4890011 On-chip substrate bias generating circuit having substrate potential clamp and operating method therefor |
12/26/1989 | US4890010 Matched current source serial bus driver |
12/20/1989 | EP0346978A1 Integrated current-mirror arrangement comprising vertical transistors |
12/20/1989 | CN1038191A Voltage level conversion circuit |
12/12/1989 | US4887201 Self-oscillating inverter with adjustable frequency |
12/12/1989 | US4886984 Prohibition circuit upon power-on event |
12/06/1989 | EP0232378B1 Integrated-circuit having two nmos depletion mode transistors for producing a stable dc voltage |
12/05/1989 | US4885585 Ramp generator reset circuit |
12/05/1989 | US4885525 Voltage controllable current source |
11/29/1989 | EP0343177A1 Digital-to-time converter. |
11/28/1989 | US4884161 Integrated circuit voltage regulator with transient protection |
11/28/1989 | US4883976 Low power dual-mode CMOS bias voltage generator |
11/23/1989 | EP0342814A2 Mos integrated circuit for driving light-emitting diodes |
11/23/1989 | EP0342581A1 Voltage level conversion circuit |
11/21/1989 | US4882533 Linear integrated circuit voltage drop generator having a base-10-emitter voltage independent current source therein |
11/21/1989 | US4882532 Active overvoltage control for inductive load driving |
11/16/1989 | WO1989011124A1 Voltage control circuit |
11/07/1989 | US4879524 Constant current drive circuit with reduced transient recovery time |
11/07/1989 | US4879506 Shunt regulator |
11/07/1989 | US4879505 Temperature and power supply compensation circuit for integrated circuits |
11/02/1989 | EP0339738A1 Current divider circuit |
11/02/1989 | EP0339164A1 Self-regulated transformer-inductor with air gaps |
10/18/1989 | EP0337747A1 Circuit for producing a constant voltage |
10/18/1989 | EP0337362A2 Power semiconductor device |
10/18/1989 | EP0337314A1 Master slave buffer circuit |
10/17/1989 | US4875018 Current mirror circuit assembly |
10/17/1989 | US4874967 Low power voltage clamp circuit |
10/17/1989 | US4874964 Current generating circuit |
10/10/1989 | US4873668 Integrated circuit in complementary circuit technology comprising a substrate bias generator |
10/04/1989 | EP0335194A1 Process for limiting the output current of a supply circuit |
10/03/1989 | USRE33076 Air flow meter circuit with temperature compensation circuit |
09/27/1989 | CN2045133U Adjustable terminal apparatus of dc regulated power supply |
09/26/1989 | CA1261010A1 Current-mirror-biased pre-charged logic circuit |
09/21/1989 | WO1989008948A1 Non-saturating magnetic amplifier controller |
09/20/1989 | EP0333494A2 Semiconductor driver for producing switching and offset signals |
09/20/1989 | EP0332714A1 Temperature compensated current source |
09/19/1989 | US4868485 Three-phase current output circuit with temperature compensating function |
09/19/1989 | US4868484 Reference voltage generator using a charging and discharging circuit |
09/19/1989 | US4868483 Power voltage regulator circuit |
09/19/1989 | US4868429 Circuit arrangement for generating a limited current |
09/19/1989 | US4868416 FET constant reference voltage generator |
09/19/1989 | US4868415 Voltage level conversion circuit |
09/13/1989 | EP0332548A1 Stabilized generator for the delivery of a threshold voltage for a MOS transistor |
09/12/1989 | US4866495 High power MOSFET and integrated control circuit therefor for high-side switch application |
09/12/1989 | US4866399 Noise immune current mirror |
09/06/1989 | EP0331253A1 Current source with a wide range of output voltages |
09/05/1989 | US4864373 Semiconductor circuit device with voltage clamp |
08/29/1989 | US4862415 Complementary semiconductor device reducing latch-up phenomenon |
08/29/1989 | CA1258881A1 Self-regulated transformer with gaps |
08/24/1989 | WO1989007793A1 Curvature correction of bipolar bandgap references |
08/24/1989 | WO1989007792A1 Mos current mirror with high output impedance and compliance |
08/23/1989 | EP0329247A1 Band-gap reference voltage arrangement |
08/23/1989 | EP0329232A1 Stabilized current and voltage reference sources |
08/22/1989 | US4859929 Current mirror having a high output voltage |
08/22/1989 | US4859928 CMOS comparator bias voltage generator |
08/15/1989 | US4858186 A circuit for providing a load for the charging of an EPROM cell |
08/15/1989 | US4857823 Bandgap voltage reference including a process and temperature insensitive start-up circuit and power-down capability |
08/09/1989 | EP0326955A1 Bicmos voltage reference generator |
08/09/1989 | EP0326952A2 Bipolar-CMOS interface circuit |
08/09/1989 | CN2042647U Multi-function tv set voltage-stabilizing protector |
08/08/1989 | US4855624 Low-power bipolar-CMOS interface circuit |
08/08/1989 | US4855618 MOS current mirror with high output impedance and compliance |
08/01/1989 | US4853647 Current gain compensation arrangement |