Robert J. Martin III

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Lynchburg, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement for providing signalling tones and volume control signals
- Patent number 4,528,696
- Issue date Jul 9, 1985
- General Electric Company
- Robert J. Martin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Walsh function mixer and tone detector
- Patent number 4,499,550
- Issue date Feb 12, 1985
- General Electric Company
- John M. Ray
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit for controlling the response conditions of a radio receiver
- Patent number 4,167,705
- Issue date Sep 11, 1979
- General Electric Company
- Robert J. Martin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Squelch circuit for a radio receiver
- Patent number 4,132,953
- Issue date Jan 2, 1979
- General Electric Company
- Robert J. Martin
- H03 - BASIC ELECTRONIC CIRCUITRY