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A. Karl Rapp
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Los Gatos, CA, US
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last 30 patents
Information
Patent Grant
Voltage detector circuit with a programmable threshold point
Patent number
6,885,215
Issue date
Apr 26, 2005
Fairchild Semiconductor Corporation
Hungyu H. Hou
G01 - MEASURING TESTING
Information
Patent Grant
Non-volatile latch circuit that has minimal control circuitry
Patent number
6,639,840
Issue date
Oct 28, 2003
Fairchild Semiconductor Corporation
A. Karl Rapp
G11 - INFORMATION STORAGE
Information
Patent Grant
Mode select circuit
Patent number
6,351,175
Issue date
Feb 26, 2002
Fairchild Semiconductor Corporation
A. Karl Rapp
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Self-canceling start-up pulse generator
Patent number
6,150,805
Issue date
Nov 21, 2000
Fairchild Semiconductor Corporation
A. Karl Rapp
G05 - CONTROLLING REGULATING
Information
Patent Grant
Bandgap voltage reference circuit
Patent number
5,686,823
Issue date
Nov 11, 1997
National Semiconductor Corporation
A. Karl Rapp
G05 - CONTROLLING REGULATING
Information
Patent Grant
Voltage regulator with virtually zero power dissipation
Patent number
5,686,824
Issue date
Nov 11, 1997
National Semiconductor Corporation
A. Karl Rapp
G05 - CONTROLLING REGULATING
Information
Patent Grant
Voltage comparator with controlled output current proportional to d...
Patent number
5,583,425
Issue date
Dec 10, 1996
National Semiconductor Corporation
A. Karl Rapp
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Self-timing four-phase clock generator
Patent number
5,578,954
Issue date
Nov 26, 1996
National Semiconductor Corporation
A. Karl Rapp
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Bandgap voltage and current generator circuit for generating consta...
Patent number
5,453,679
Issue date
Sep 26, 1995
National Semiconductor Corporation
A. Karl Rapp
G05 - CONTROLLING REGULATING
Information
Patent Grant
Non-volatile semiconductor memory having switching devices for segm...
Patent number
5,424,997
Issue date
Jun 13, 1995
National Semiconductor Corporation
A. Karl Rapp
G11 - INFORMATION STORAGE
Information
Patent Grant
Self-timing four-phase clock generator
Patent number
5,398,001
Issue date
Mar 14, 1995
National Semiconductor Corporation
A. Karl Rapp
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Charge pump which operates on a low voltage power supply
Patent number
5,280,420
Issue date
Jan 18, 1994
National Semiconductor Corporation
A. Karl Rapp
G11 - INFORMATION STORAGE
Information
Patent Grant
Charge-integrating preamplifier for ferroelectric memory
Patent number
5,274,583
Issue date
Dec 28, 1993
National Semiconductor Corporation
A. Karl Rapp
G11 - INFORMATION STORAGE
Information
Patent Grant
CMOS current sense amplifier
Patent number
4,758,749
Issue date
Jul 19, 1988
National Semiconductor Corporation
A. Karl Rapp
G11 - INFORMATION STORAGE
Information
Patent Grant
Self-timed logic level transition detector
Patent number
4,692,635
Issue date
Sep 8, 1987
National Semiconductor Corp.
A. Karl Rapp
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
CMOS low-power TTL-compatible input buffer
Patent number
4,656,374
Issue date
Apr 7, 1987
National Semiconductor Corporation
A. Karl Rapp
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Self compensating ROM circuit
Patent number
4,541,077
Issue date
Sep 10, 1985
National Semiconductor Corporation
A. Karl Rapp
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory system current sense amplifier circuit
Patent number
4,464,590
Issue date
Aug 7, 1984
National Semiconductor Corporation
A. Karl Rapp
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Current difference sense amplifier
Patent number
4,464,591
Issue date
Aug 7, 1984
National Semiconductor Corporation
A. Karl Rapp
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low power CMOS crystal oscillator
Patent number
4,387,349
Issue date
Jun 7, 1983
National Semiconductor Corporation
A. Karl Rapp
H03 - BASIC ELECTRONIC CIRCUITRY