Lionel D. Provazek

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Campbell, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Phase discrimination and data separation method and apparatus
- Patent number 4,958,243
- Issue date Sep 18, 1990
- International Business Machines Corporation
- Shin C. Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Compound pulse dimming circuitry for conditioning readback signals
- Patent number 4,875,112
- Issue date Oct 17, 1989
- International Business Machines Corporation
- Martin H. Dost
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual cycle data detection system and method for bubble memories
- Patent number 4,369,501
- Issue date Jan 18, 1983
- International Business Machines Corporation
- Caroll J. Brown
- G11 - INFORMATION STORAGE
Information Patent Grant
Current switch driving circuit arrangements
- Patent number 4,331,886
- Issue date May 25, 1982
- International Business Machines Corporation
- Fred A. Perner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER