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)
01/2002
01/29/2002US6342780 Zener diode reference voltage standards
01/24/2002US20020008566 Internal Voltage generation circuit
01/24/2002US20020008552 Driver circuit
01/24/2002DE10006950C1 Schaltungsanordnung zur Konstantspannungs- und / oder Konstantstromerzeugung Circuit arrangement for constant voltage and / or constant current generation
01/22/2002US6340882 Accurate current source with an adjustable temperature dependence circuit
01/17/2002WO2002005053A2 Circuit for providing a constant current
01/17/2002US20020005749 Method for generating a substantially temperature independent current and device allowing implementation of the same
01/16/2002CN1331437A Current output circuit with high current ratio
01/15/2002US6339319 Cascoded current mirror circuit
01/10/2002WO2002003548A2 Extended range variable gain amplifier
01/10/2002WO2002003161A2 Bis circuit for establishing a plurality of bias voltages
01/10/2002US20020003446 Semiconductor integrated circuit device having an oscillation circuit using reference current source independent from influence of variation of power supply voltage and threshold voltage of transistor
01/09/2002EP0907916B1 Apparatus and method for generating a current with a positive temperature coefficient
01/08/2002US6337644 Constant-current generation circuit, digital/analog conversion circuit, and image processor
01/08/2002US6337598 Reference voltage generating device and generating method of the same
01/08/2002US6337596 Constant current circuit using current mirror circuit
01/08/2002US6337595 Low-power DC voltage generator system
01/03/2002WO2001035182A3 Current mirror with improved current matching
01/03/2002US20020000889 Micropower RC oscillator
01/03/2002US20020000882 Protection circuit for extending headroom with off-chip inductors
01/03/2002US20020000880 Extended range variable gain amplifier
01/03/2002US20020000872 Method and apparatus for reducing standby leakage current using a leakage control transistor that receives boosted gate drive during an active mode
01/03/2002US20020000868 Dual level substrate voltage generator
01/03/2002US20020000582 Semiconductor device including voltage down converter allowing tuning in short period of time and reduction of chip area
01/03/2002DE10026793A1 Strombegrenzungsschaltung Current limiting circuit
01/02/2002EP1168365A2 Negative-voltage bias circuit
01/02/2002EP1168362A2 Flash memory with improved erasability and its circuitry
01/02/2002EP1166444A1 Electronic digital circuit operable active mode and sleep mode
01/02/2002EP1166192A1 Bandgap voltage reference source
01/01/2002US6335643 Driver circuit
01/01/2002US6335614 Bandgap reference voltage circuit with start up circuit
12/2001
12/27/2001WO2001099314A2 Power controlled input receiver
12/27/2001WO2001099116A2 Generator scheme and circuit for overcoming resistive voltage drop on power supply circuits on chips
12/27/2001US20010054925 Low-power low-jitter variable delay timing circuit
12/27/2001US20010054910 On-chip substrate regulator test mode
12/27/2001US20010054888 Impedance conversion circuit
12/25/2001US6333864 Power supply adjusting circuit and a semiconductor device using the same
12/25/2001US6333671 Sleep mode VDD detune for power reduction
12/25/2001US6333670 Semiconductor device capable of stably generating internal voltage with low supply voltage
12/25/2001US6333668 Semiconductor device for suppressing current peak flowing to/from an external power supply
12/20/2001US20010052809 Electronic circuit, semiconductor device, electronic equipment, and timepiece
12/20/2001US20010052790 On-chip substrate regulator test mode
12/20/2001DE10028098A1 Circuit arrangement for generating adjustable constant output current, branches flow of comparator current corresponding to current of resistor at output branch of first current mirror circuit
12/19/2001EP1164455A1 Process and device for generating a temperature independent current
12/19/2001CN1327552A Rapid on chip voltage generator for low power integrated circuit
12/18/2001US6331962 Semiconductor device including voltage down converter allowing tuning in short period of time and reduction of chip area
12/18/2001US6331799 Bias circuit for control input of power transistor
12/13/2001US20010050590 Semiconductor integrated circuit device having circuit generating reference voltage
12/13/2001US20010050576 On-chip substrate regulator test mode
12/11/2001US6329874 Method and apparatus for reducing standby leakage current using a leakage control transistor that receives boosted gate drive during an active mode
12/11/2001US6329873 Internal power supply voltage generation circuit that can suppress reduction in internal power supply voltage in neighborhood of lower limit region of external power supply voltage
12/11/2001US6329871 Reference voltage generation circuit using source followers
12/11/2001US6329870 Reference voltage generating circuitry
12/11/2001US6329868 Circuit for compensating curvature and temperature function of a bipolar transistor
12/11/2001US6329804 Slope and level trim DAC for voltage reference
12/11/2001US6329260 Analog-to-digital converter and method of fabrication
12/06/2001WO2001092979A1 Temperature compensation method
12/06/2001US20010048339 Temperature compensation circuit and method of compensating
12/05/2001EP1160642A1 Current limiting circuit
12/05/2001EP1036353B1 Improvements in zener diode reference voltage standards
12/04/2001US6326839 Apparatus for translating a voltage
12/04/2001US6326836 Isolated reference bias generator with reduced error due to parasitics
11/2001
11/29/2001WO2001091280A1 High impedance bias device
11/29/2001US20010045862 Current control circuit
11/29/2001US20010045860 Electronic array and methods
11/29/2001US20010045854 Semiconductor integrated circuit and method of compensating for device performance variations of semiconductor integrated circuit
11/29/2001US20010045818 Calibration circuit for a band-gap reference voltage
11/29/2001US20010045817 Current generator
11/29/2001US20010045569 Potential detector and semiconductor integrated circuit
11/28/2001EP1158383A1 Generation of a voltage proportional to temperature with a negative variation
11/28/2001EP1158382A1 Generation of a voltage proportional to temperature with stable line voltage
11/27/2001US6323725 Constant transconductance bias circuit having body effect cancellation circuitry
11/27/2001US6323724 Biasing circuit for quickly outputting stable bias output and semiconductor memory device using the same
11/27/2001US6323723 Current mirror circuit
11/27/2001US6323722 Apparatus for translating a voltage
11/27/2001US6323721 Substrate voltage detector
11/27/2001US6323720 Internal voltage generator using anti-fuse
11/27/2001US6323631 Constant current driver with auto-clamped pre-charge function
11/27/2001US6323630 Reference voltage generation circuit and reference current generation circuit
11/27/2001US6323628 Voltage regulator
11/22/2001US20010043115 Circuit for providing a reference voltage
11/22/2001US20010043110 Precise control of VCE in close to saturaion conditions
11/22/2001US20010043106 Electronic circuit, semiconductor device, electronic equipment, and timepiece
11/21/2001EP1156403A1 Generation of a voltage proportional to temperature with accurate gain control
11/20/2001US6320810 Semiconductor memory device allowing reduction in current consumption
11/20/2001US6320458 Integrated structure with an analog unit supplied by an external supply voltage by means of a low-pass filter and driving elements
11/20/2001US6320457 High level voltage generator
11/20/2001US6320455 Boost circuit
11/20/2001US6320365 Current-limited switch with fast transient response
11/20/2001US6320364 Current source circuit
11/20/2001US6320361 Buffer device with dual supply voltage for low supply voltage applications
11/15/2001US20010040445 Common mode bias voltage generator
11/14/2001EP0961290B1 Flash memory with improved erasability and its circuitry
11/13/2001US6317378 Buffer circuit
11/13/2001US6316989 Cascade current miller circuit
11/13/2001US6316987 Low-power low-jitter variable delay timing circuit
11/13/2001US6316985 Substrate voltage generating circuit provided with a transistor having a thin gate oxide film and a semiconductor integrated circuit device provided with the same
11/13/2001US6316971 Comparing and amplifying detector circuit
11/13/2001US6316967 Current detector
11/13/2001US6316927 Voltage output driver and filter
1 ... 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 ... 128