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David Peter Swart
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Pine Island, MN, US
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last 30 patents
Information
Patent Grant
Fiber optic transceiver array and fiber optic transceiver channel f...
Patent number
7,076,178
Issue date
Jul 11, 2006
International Business Machines Corporation
Randolph B. Heineke
G01 - MEASURING TESTING
Information
Patent Grant
Fully balanced transimpedance amplifier for high speed and low volt...
Patent number
6,433,638
Issue date
Aug 13, 2002
International Business Machines Corporation
Randolph B. Heineke
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Bandgap voltage reference circuit without bipolar transistors
Patent number
6,184,743
Issue date
Feb 6, 2001
International Business Machines Corporation
David Peter Swart
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method and apparatus for trim adjustment of variable gain amplifier
Patent number
5,821,810
Issue date
Oct 13, 1998
International Business Machines Corporation
David Peter Swart
G11 - INFORMATION STORAGE
Information
Patent Grant
Analog output buffer circuit
Patent number
5,661,680
Issue date
Aug 26, 1997
International Business Machines Corporation
Mark Andrew Bergquist
G11 - INFORMATION STORAGE
Information
Patent Grant
Operational transconductance amplifier with independent transconduc...
Patent number
5,491,447
Issue date
Feb 13, 1996
International Business Machines Corporation
Christian J. Goetschel
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and apparatus for generating a clock signal from a continuou...
Patent number
5,491,441
Issue date
Feb 13, 1996
International Business Machines Corporation
Christian J. Goetschel
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and apparatus for adaptive chip trim adjustment
Patent number
5,396,130
Issue date
Mar 7, 1995
International Business Machines Corporation
Richard L. Galbraith
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
CMOS to GPI interface circuit
Patent number
4,866,308
Issue date
Sep 12, 1989
International Business Machines Corporation
Delbert R. Cecchi
H03 - BASIC ELECTRONIC CIRCUITRY