Assignee

ZURCHER JEAN FREDERIC

2 granted patents·8 citations·filing 1976–1976

Technology mixG10L2 H04R1

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2 records

0128US4063030ADetection circuit for significant peaks of speech signalsZURCHER JEAN FREDERIC·Filed 1976·Granted Dec 13, 1977·3 cites·4 claims
0227US4079197AVoice transcoder in helium atmosphereZURCHER JEAN FREDERIC·Filed 1976·Granted Mar 14, 1978·5 cites·6 claims

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