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Michael J. Callahan Jr.
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Austin, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Integrated circuit inductors using driven shields
Patent number
7,061,072
Issue date
Jun 13, 2006
JBCR Innovations, LLP
Richard A. Blanchard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit for automatic regulation of a differential amplifier...
Patent number
6,747,515
Issue date
Jun 8, 2004
STMicroelectronics, Inc.
Michael J. Callahan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Bias circuit for a transistor of a storage cell
Patent number
6,605,982
Issue date
Aug 12, 2003
STMicroelectronics Inc.
Michael J. Callahan
G05 - CONTROLLING REGULATING
Information
Patent Grant
Driver circuit having a slew rate control system with improved line...
Patent number
6,586,980
Issue date
Jul 1, 2003
STMicroelectronics, Inc.
Michael J. Callahan
G11 - INFORMATION STORAGE
Information
Patent Grant
Neural network output sensing and decision circuit and method
Patent number
6,583,651
Issue date
Jun 24, 2003
STMicroelectronics, Inc.
Michael J. Callahan
G01 - MEASURING TESTING
Information
Patent Grant
Circuit for controlling current levels in differential logic circuitry
Patent number
6,411,159
Issue date
Jun 25, 2002
STMicroelectronics, Inc.
Michael J. Callahan
G05 - CONTROLLING REGULATING
Information
Patent Grant
Circuit for automatic regulation of a differential amplifier...
Patent number
6,297,698
Issue date
Oct 2, 2001
STMicroelectronics, Inc.
Michael J. Callahan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Comparator circuit with built-in hysteresis offset
Patent number
6,208,187
Issue date
Mar 27, 2001
STMicroelectronics, Inc.
Michael J. Callahan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Highly linear transconductance circuit and filter using same
Patent number
6,104,249
Issue date
Aug 15, 2000
STMicrolectronics, Inc.
Michael J. Callahan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Integrated circuit precision resistor ratio matching
Patent number
6,043,687
Issue date
Mar 28, 2000
STMicroelectronics, Inc.
Michael James Callahan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Driver circuit having preslewing circuitry for improved slew rate c...
Patent number
5,939,909
Issue date
Aug 17, 1999
STMicroelectronics, Inc.
Michael J. Callahan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
DC-to-DC converter with soft-start error amplifier and associated m...
Patent number
5,917,313
Issue date
Jun 29, 1999
STMicroelectronics, Inc.
Michael J. Callahan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Voltage regulator with load pole stabilization
Patent number
5,852,359
Issue date
Dec 22, 1998
STMicroelectronics, Inc.
Michael J. Callahan
G05 - CONTROLLING REGULATING
Information
Patent Grant
Signal driver circuit for liquid crystal displays
Patent number
5,726,676
Issue date
Mar 10, 1998
Crystal Semiconductor
Michael J. Callahan
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Signal driver circuit for liquid crystal displays
Patent number
5,719,591
Issue date
Feb 17, 1998
Crystal Semiconductor
Michael J. Callahan
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Signal driver circuit for liquid crystal displays
Patent number
5,703,617
Issue date
Dec 30, 1997
Crystal Semiconductor
Michael J. Callahan
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Signal driver circuit for liquid crystal displays
Patent number
5,574,475
Issue date
Nov 12, 1996
Crystal Semiconductor Corporation
Michael J. Callahan
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Digitally calibrated delta-sigma analog-to-digital converter
Patent number
4,943,807
Issue date
Jul 24, 1990
Crystal Semiconductor
Adrian B. Early
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Self-calibration method for capacitors in a monolithic integrated c...
Patent number
4,709,225
Issue date
Nov 24, 1987
Crystal Semiconductor Corporation
David R. Welland
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Disk drive control circuit and method
Publication number
20060193077
Publication date
Aug 31, 2006
STMicroelectronics, Inc.
Michael J. Callahan
G11 - INFORMATION STORAGE
Information
Patent Application
Driver circuit having a slew rate control system with improved line...
Publication number
20050007164
Publication date
Jan 13, 2005
Michael J. Callahan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Disk drive control circuit and method
Publication number
20040240100
Publication date
Dec 2, 2004
STMicroelectronics, Inc.
Michael J. Callahan
G11 - INFORMATION STORAGE
Information
Patent Application
DRIVER CIRCUIT HAVING A SLEW RATE CONTROL SYSTEM WITH IMPROVED LINE...
Publication number
20040189362
Publication date
Sep 30, 2004
Michael J. Callahan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Integrated circuit inductors using driven shields
Publication number
20040124960
Publication date
Jul 1, 2004
Richard A. Blanchard
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
NEURAL NETWORK OUTPUT SENSING AND DECISION CIRCUIT AND METHOD
Publication number
20030107410
Publication date
Jun 12, 2003
STMicroelectronics, Inc.
Michael J. Callahan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Current amplifier
Publication number
20030107439
Publication date
Jun 12, 2003
STMicroelectronics, Inc.
Michael J. Callahan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
BIAS CIRCUIT FOR A TRANSISTOR OF A STORAGE CELL
Publication number
20030001662
Publication date
Jan 2, 2003
Michael J. Callahan
G05 - CONTROLLING REGULATING
Information
Patent Application
Redundant electric fuses
Publication number
20030001589
Publication date
Jan 2, 2003
STMicroelectronics, Inc.
Tsiu Chiu Chan
G11 - INFORMATION STORAGE
Information
Patent Application
Circuit for automatic regulation of a differential amplifier's gain
Publication number
20020008581
Publication date
Jan 24, 2002
Michael J. Callahan
H03 - BASIC ELECTRONIC CIRCUITRY