Tim D. Isbell

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pulse width modulator circuit for switching regulators
- Patent number 4,743,783
- Issue date May 10, 1988
- National Semiconductor Corporation
- Tim D. Isbell
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pulse width modulator circuit for switching regulators
- Patent number 4,634,892
- Issue date Jan 6, 1987
- National Semiconductor Corporation
- Tim D. Isbell
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
AM Stereo receiver logic
- Patent number 4,379,208
- Issue date Apr 5, 1983
- National Semiconductor Corporation
- Tim D. Isbell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Two stage thermal shutdown
- Patent number 4,345,218
- Issue date Aug 17, 1982
- National Semiconductor Corporation
- James S. Congdon
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Instrumentation amplifier with extended common mode range
- Patent number 4,232,271
- Issue date Nov 4, 1980
- National Semiconductor Corporation
- Robert C. Dobkin
- H03 - BASIC ELECTRONIC CIRCUITRY