| 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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| 05/19/1998 | US5754038 Method and circuit for current regulation |
| 05/14/1998 | WO1998020401A1 Positive/negative high voltage charge pump system |
| 05/12/1998 | US5751652 Semiconductor apparatus having a voltage unit and a backup unit for providing a reduced power consumption |
| 05/12/1998 | US5751182 Rapid start-up circuit for voltage reference and method of operation |
| 05/12/1998 | US5751142 Reference voltage supply circuit and voltage feedback circuit |
| 05/12/1998 | US5751141 IDDQ -testing of bias generator circuit |
| 05/07/1998 | DE19748311A1 Control circuit for vehicle occupants safety device, such as airbag |
| 05/07/1998 | DE19747124A1 Switching current detector for reference voltage circuit |
| 05/06/1998 | EP0840193A1 Band-gap reference voltage generator |
| 05/05/1998 | US5748030 Bias generator providing process and temperature invariant MOSFET transconductance |
| 05/05/1998 | US5747978 Circuit for generating a reference voltage and detecting an under voltage of a supply and corresponding method |
| 04/28/1998 | US5745000 CMOS low voltage current reference |
| 04/28/1998 | US5744999 CMOS current source circuit |
| 04/28/1998 | US5744998 Internal voltage detecting circuit having superior responsibility |
| 04/28/1998 | US5744997 Substrate bias voltage controlling circuit in semiconductor memory device |
| 04/28/1998 | US5744996 CMOS integrated semiconductor circuit |
| 04/21/1998 | US5742195 Semiconductor integrated circuit with MOS Transistors compensated of characteristic and performance deviations and deviation compensation system therein |
| 04/21/1998 | US5742155 Zero-current start-up circuit |
| 04/21/1998 | US5742154 Multi-stage current feedback amplifier |
| 04/15/1998 | EP0835483A1 Circuit arrangement for current transformation |
| 04/14/1998 | US5739719 Bias circuit with low sensitivity to threshold variations |
| 04/14/1998 | US5739718 Integrated circuit in which some functional components are made to work with one and the same operating characteristic |
| 04/14/1998 | US5739705 Hysteresis comparator circuit for use with a voltage regulating circuit |
| 04/14/1998 | US5739682 Circuit and method for providing a reference circuit that is substantially independent of the threshold voltage of the transistor that provides the reference circuit |
| 04/14/1998 | US5739681 Voltage regulator with high gain cascode current mirror |
| 04/14/1998 | US5739680 Constant voltage control device |
| 04/09/1998 | WO1998015054A1 Merged transconductance amplifier |
| 04/07/1998 | US5736840 Phase shifter and communication system using the phase shifter |
| 04/02/1998 | WO1998013978A2 Current distribution circuit having an additional parallel dc-current sinking branch |
| 04/02/1998 | WO1998013936A1 Connected source of current |
| 04/01/1998 | EP0833450A1 Integrated buffer circuit |
| 04/01/1998 | EP0832421A1 Light source with adjustable wavelength for an oximeter |
| 03/31/1998 | US5734292 Intermediate potential generation circuit |
| 03/31/1998 | US5734260 Short-circuit protection circuit |
| 03/24/1998 | US5732028 In a semiconductor device |
| 03/24/1998 | US5731696 Voltage reference circuit with programmable thermal coefficient |
| 03/19/1998 | WO1998011660A1 Low voltage supply circuit |
| 03/18/1998 | EP0829797A2 Current reference circuit with low power supply voltage and active feedback for PLL |
| 03/18/1998 | EP0829796A1 Voltage controller with attenuated temperature sensitivity |
| 03/18/1998 | EP0748535A4 Improved supply voltage detection circuit |
| 03/18/1998 | CN1176465A Internal voltage generating circuit |
| 03/17/1998 | US5729161 Temperature-compensated summing comparator |
| 03/17/1998 | US5729122 Unit using IC device having constant-current circuitry |
| 03/12/1998 | WO1998010520A2 Frequency synthesis circuit having a charge pump |
| 03/11/1998 | EP0827604A1 Constant current source with an eeprom cell |
| 03/10/1998 | US5726941 Semiconductor integrated circuit |
| 03/10/1998 | US5726563 Supply tracking temperature independent reference voltage generator |
| 03/05/1998 | WO1998009361A1 Power supply |
| 03/05/1998 | CA2234734A1 Power supply unit |
| 03/04/1998 | EP0826167A1 Circuit arrangement for producing a d.c. current |
| 03/04/1998 | CN2275730Y Electronic voltage regulator for meters in automobile |
| 03/04/1998 | CN1175115A Circuit for controlling electricity turning on and electronic equipment using it |
| 02/24/1998 | US5722052 Switching current mirror for a phase locked loop frequency synthesizer and communication device using same |
| 02/24/1998 | US5721702 Reference voltage generator using flash memory cells |
| 02/24/1998 | US5721512 Current mirror with input voltage set by saturated collector-emitter voltage |
| 02/24/1998 | US5721510 Semiconductor integrated circuit having a substrate back bias voltage generating circuit which is responsive to a power supply detection circuit |
| 02/24/1998 | US5721484 Power supply filter with active element assist |
| 02/17/1998 | US5719524 Circuit having an input terminal for controlling two functions |
| 02/17/1998 | US5719522 Reference voltage generating circuit having reduced current consumption with varying loads |
| 02/17/1998 | US5719491 Output driver for high-speed device |
| 02/17/1998 | US5719490 Formed in a semiconductor structure |
| 02/11/1998 | EP0823682A1 Current feed control circuit and electronic appliance using the same |
| 02/11/1998 | EP0823115A1 Reference for cmos memory cell having pmos and nmos transistors with a common floating gate |
| 02/11/1998 | CN1172978A Voltage to current conversion circuit for converting voltage to multiple current outputs |
| 02/10/1998 | US5717347 Logic circuit of the emitter-coupled type, operating at a low supply voltage |
| 02/10/1998 | US5717324 Intermediate potential generation circuit |
| 02/10/1998 | US5717323 Resistance reference circuit |
| 02/05/1998 | WO1998005125A1 Voltage controlled variable current reference |
| 02/05/1998 | CA2261733A1 Voltage controlled variable current reference |
| 02/04/1998 | EP0822554A2 Method and apparatus for adaptively processing the readback signal in a read channel device for digital storage |
| 02/04/1998 | EP0822477A2 Charge pump for a semiconductor substrate |
| 02/04/1998 | EP0822476A2 Internal voltage generating circuit |
| 02/03/1998 | US5714902 Polynomial function generation circuit |
| 01/29/1998 | WO1998003902A1 Temperature insensitive current source |
| 01/28/1998 | EP0821460A2 Current source |
| 01/28/1998 | EP0704072B1 Apparatus and method for adjusting the threshold voltage of mos transistors |
| 01/28/1998 | CN1171632A Medium voltage generating circuit and nonvolatile semiconductor memory containing same |
| 01/27/1998 | US5712590 Temperature stabilized bandgap voltage reference circuit |
| 01/27/1998 | US5712557 Constant current supply circuit with stabilization based on voltage and current ratios relative to a reference voltage and a related control current |
| 01/27/1998 | US5712556 Intermediate potential generating circuit having output stabilizing circuit |
| 01/27/1998 | US5712555 Voltage regulation for access cards |
| 01/14/1998 | CN1170279A Reference voltage generator controlled as function of temperature |
| 01/13/1998 | US5708420 Voltage detection circuit compensated in technology and temperature |
| 01/13/1998 | US5708388 Single current source current generating circit for periodically activating and deactivating portions of an IC |
| 01/07/1998 | EP0817372A2 Voltage to current conversion circuit for converting voltage to multiple current outputs |
| 01/07/1998 | EP0816965A1 Reference voltage generator controlled as a function of temperature |
| 01/07/1998 | EP0816964A1 Voltage regulating device with low internal power dissipation |
| 01/07/1998 | EP0789865A4 Output control circuit for a voltage regulator |
| 01/07/1998 | CN1169615A In-line buck/boost voltage regulating systems and apparatus |
| 01/06/1998 | US5705921 Low noise 3V/5V CMOS bias circuit |
| 01/02/1998 | DE19727449A1 In-line compensation/amplification voltage regulation device for load electrical power supply |
| 01/02/1998 | DE19726310A1 Reference voltage generation circuit with noise voltage suppression for digital mobile device |
| 12/31/1997 | WO1997050167A1 Charge pump circuit architecture |
| 12/31/1997 | WO1997050026A1 Apparatus and method for generating a current with a positive temperature coefficient |
| 12/31/1997 | CN1036876C Circuit for generating very small current |
| 12/30/1997 | US5703497 Current source responsive to supply voltage variations |
| 12/30/1997 | US5703478 Current mirror circuit |
| 12/30/1997 | US5703477 Current driver circuit with transverse current regulation |
| 12/30/1997 | US5703476 Reference voltage generator, having a double slope temperature characteristic, for a voltage regulator of an automotive alternator |
| 12/30/1997 | US5703475 Reference voltage generator with fast start-up and low stand-by power |