Derrick O. Perkins

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for generating signals synchronized to an unstable extern...
- Patent number 4,695,805
- Issue date Sep 22, 1987
- OnLine Computer Systems Inc.
- Larry W. Massingill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital phase synchronizer
- Patent number 4,404,680
- Issue date Sep 13, 1983
- Telex Computer Products, Inc.
- Derrick O. Perkins
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency tracking adjustable duty cycle ratio pulse generator
- Patent number 4,239,992
- Issue date Dec 16, 1980
- Telex Computer Products, Inc.
- Derrick O. Perkins
- H03 - BASIC ELECTRONIC CIRCUITRY