Robert P. Harshberger Jr.

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for detecting position of a rotating element using a two-...
- Patent number 4,775,788
- Issue date Oct 4, 1988
- Greyhawk Systems, Inc.
- Robert P. Harshberger
- G05 - CONTROLLING REGULATING
Information Patent Grant
Apparatus for positioning a rotating element
- Patent number 4,705,996
- Issue date Nov 10, 1987
- Greyhawk Systems
- Robert P. Harshberger
- G05 - CONTROLLING REGULATING
Information Patent Grant
Digital variable voltage level control circuit with automatic retur...
- Patent number 4,289,999
- Issue date Sep 15, 1981
- Ampex Corporation
- Robert P. Harshberger
- G05 - CONTROLLING REGULATING
Information Patent Grant
Web transport capstan control system
- Patent number 4,232,257
- Issue date Nov 4, 1980
- Ampex Corporation
- Robert P. Harshberger
- G11 - INFORMATION STORAGE
Information Patent Grant
Switching motor control system
- Patent number 4,129,810
- Issue date Dec 12, 1978
- Ampex Corporation
- Robert P. Harshberger
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape transport dynamic brake
- Patent number 4,085,354
- Issue date Apr 18, 1978
- Ampex Corporation
- Robert P. Harshberger
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Method and system for optimized servo track writing motor current p...
- Publication number 20070035870
- Publication date Feb 15, 2007
- Jen-Yuan Chang
- G11 - INFORMATION STORAGE