| 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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| 03/02/1999 | US5877616 Low voltage supply circuit for integrated circuit |
| 03/02/1999 | US5877615 Dynamic input reference voltage adjuster |
| 03/02/1999 | US5877536 Level shifter capable of stably producing a level shifted voltage |
| 02/24/1999 | EP0898215A2 Reference circuit and method |
| 02/24/1999 | EP0898214A2 Intermediate potential generation circuit |
| 02/24/1999 | EP0827604B1 Constant current source with an eeprom cell |
| 02/24/1999 | CN1208873A Reference circuit and method |
| 02/24/1999 | CN1042269C Reference valtage generator with CMOS transistor |
| 02/23/1999 | US5874855 Voltage transferring device capable of holding boost voltage and transferring in high speed boost voltage |
| 02/23/1999 | US5874854 Control scheme for on-chip capacitor degating |
| 02/23/1999 | US5874852 Current generator circuit having a wide frequency response |
| 02/23/1999 | US5874851 Semiconductor integrated circuit having controllable threshold level |
| 02/23/1999 | US5874830 Voltage regulator |
| 02/18/1999 | WO1998052112A3 Bias generator for a low current divider |
| 02/17/1999 | EP0897143A2 Band gap reference voltage source and method for its operation |
| 02/17/1999 | EP0896757A1 Device including a thermally protected switching transistor |
| 02/17/1999 | CN1208276A Constant current circuit with small output current fluctuation |
| 02/16/1999 | US5872479 Apparatus for regulating substrate voltage in semiconductor device |
| 02/16/1999 | US5872446 Low voltage CMOS analog multiplier with extended input dynamic range |
| 02/10/1999 | EP0896268A1 An integrated device for switching systems with filtered reference quantities |
| 02/10/1999 | CN1207561A Semiconductor memory device having constant voltage circuit |
| 02/09/1999 | US5869997 Intermediate potential generating circuit |
| 02/09/1999 | US5869957 Voltage divider circuit, differential amplifier circuit and semiconductor integrated circuit device |
| 02/04/1999 | WO1998052278A3 An amplified mos biasing circuit for avoiding latch-up |
| 02/04/1999 | DE19830828A1 Permanent current circuit with current mirror circuit for vehicle control circuit |
| 02/03/1999 | EP0895147A1 Reference voltage generation circuit and reference current generation circuit |
| 02/03/1999 | CN1206954A Intermediate voltage generating circuit |
| 02/03/1999 | CN1206864A Reference voltage and current generating circuit |
| 02/02/1999 | US5867067 Critically-biased MOS current mirror |
| 02/02/1999 | US5867066 Current amplifier |
| 02/02/1999 | US5867047 Bandgap reference based power-on detect circuit including a suppression circuit |
| 02/02/1999 | US5867035 Voltage to current conversion circuit for converting voltage to multiple current outputs |
| 02/02/1999 | US5867015 Low drop-out voltage regulator with PMOS pass element |
| 02/02/1999 | US5867014 Current sense circuit having multiple pilot and reference transistors |
| 02/02/1999 | US5867013 Startup circuit for band-gap reference circuit |
| 02/02/1999 | US5867012 Switching bandgap reference circuit with compounded ΔV.sub.βΕ |
| 01/28/1999 | WO1998043100A3 Current and voltage sensing |
| 01/27/1999 | EP0892945A1 Method and apparatus for automatically controlling intergrated circuit supply voltages |
| 01/27/1999 | CN1206245A Reference voltage generating circuit |
| 01/26/1999 | US5864231 Self-compensating geometry-adjusted current mirroring circuitry |
| 01/26/1999 | US5864230 Variation-compensated bias current generator |
| 01/26/1999 | US5864228 Current mirror current source with current shunting circuit |
| 01/26/1999 | US5864227 Voltage regulator with output pull-down circuit |
| 01/21/1999 | WO1999003192A1 A progressive start-up charge pump and method therefor |
| 01/21/1999 | DE19748577C1 Charge pump circuit arrangement for step-up voltage converter |
| 01/20/1999 | EP0892333A2 Current source circuit |
| 01/19/1999 | US5861739 For acting as the interface of a device |
| 01/19/1999 | CA2002097C Current split circuit having a digital to analog converter |
| 01/13/1999 | EP0789866B1 Voltage reference with testing and self-calibration |
| 01/12/1999 | US5859526 Voltage reference generator for quickly charging capacitive loads |
| 01/12/1999 | US5859413 Method for controlling a microwave oven to prevent overcooking of small food portions |
| 01/07/1999 | EP0889591A1 Method and corresponding circuit to prevent a parasitic transistor turn on in an output stage of an electronic circuit |
| 01/07/1999 | EP0888582A1 Zero-current start-up circuit |
| 01/07/1999 | EP0711433B1 Adaptive-output current driver |
| 01/05/1999 | US5856756 For generating an internal voltage from an external voltage |
| 01/05/1999 | US5856755 Bus termination voltage supply |
| 01/05/1999 | US5856742 Temperature insensitive bandgap voltage generator tracking power supply variations |
| 01/05/1999 | US5856695 BiCMOS devices |
| 12/30/1998 | EP0886816A1 Methods and apparatus for improving temperature drift of references |
| 12/30/1998 | CN1203451A Semiconductor integrated circuit and method of compensating for device performance variations of semiconductor integrated circuit |
| 12/29/1998 | US5854569 For outputting a current signal |
| 12/29/1998 | US5854568 Voltage boost circuit and operation thereof at low power supply voltages |
| 12/23/1998 | WO1998058301A2 A circuit for controlling an ac/dc buzzer load |
| 12/23/1998 | EP0886382A1 Analog-to-digital converter |
| 12/23/1998 | EP0885414A1 Band-gap reference voltage source |
| 12/23/1998 | EP0885413A1 Low power trim circuit and method |
| 12/23/1998 | CN2301748Y Integrated three-phase AC parameter regulated power supply |
| 12/22/1998 | US5852376 Bandgap reference based power-on detect circuit including a supression circuit |
| 12/22/1998 | US5852360 Programmable low drift reference voltage generator |
| 12/22/1998 | US5851864 Method of fabricating BiCMOS devices |
| 12/16/1998 | CN1202039A Bandgap reference circuit and method |
| 12/15/1998 | US5850139 Load pole stabilized voltage regulator circuit |
| 12/10/1998 | WO1998055907A1 Temperature independent current reference |
| 12/09/1998 | EP0883052A1 Integrated circuit having selective bias of transistors for low voltage and low standby current and related methods |
| 12/09/1998 | CN1201174A Reference voltage generation circuit |
| 12/08/1998 | US5847597 Potential detecting circuit for determining whether a detected potential has reached a prescribed level, and a semiconductor integrated circuit including the same |
| 12/08/1998 | US5847591 Voltage detection circuit and internal voltage clamp circuit |
| 12/08/1998 | US5847556 Precision current source |
| 12/02/1998 | EP0881693A1 Reference voltage in an integrated circuit |
| 12/02/1998 | EP0880844A2 Current distribution circuit having an additional parallel dc-current sinking branch |
| 12/02/1998 | EP0880735A1 Cmos current mirror |
| 12/01/1998 | US5844853 Memory regulator control method with flexibility for a wide change in supply voltage |
| 12/01/1998 | US5844434 Start-up circuit for maximum headroom CMOS devices |
| 12/01/1998 | US5844402 In-line buck/boost voltage-regulation systems and apparatus |
| 11/24/1998 | US5841725 Charge pump circuit for a semiconductor memory device |
| 11/24/1998 | US5841314 Charge pump type of negative voltage generator circuit and method |
| 11/24/1998 | US5841270 Voltage and/or current reference generator for an integrated circuit |
| 11/19/1998 | WO1998052278A2 An amplified mos biasing circuit for avoiding latch-up |
| 11/19/1998 | WO1998052112A2 Bias generator for a low current divider |
| 11/18/1998 | CN1199512A Power supply |
| 11/17/1998 | US5838578 Method and apparatus for programmable thermal sensor for an integrated circuit |
| 11/17/1998 | US5838524 Current limit circuit for inhibiting voltage overshoot |
| 11/17/1998 | US5838192 Junction field effect voltage reference |
| 11/17/1998 | US5838191 Bias circuit for switched capacitor applications |
| 11/17/1998 | US5838189 Substrate voltage generating circuit of semiconductor memory device |
| 11/17/1998 | US5838188 Reference voltage generation circuit |
| 11/17/1998 | US5838171 Low power real-time clock circuit having system and battery power arbitration |
| 11/17/1998 | US5838150 Differential voltage regulator |
| 11/17/1998 | US5838149 Voltage control means having a reduced sensitivity to temperature variations |
| 11/10/1998 | USRE35951 CMOS voltage reference with stacked base-to-emitter voltages |