Inventor · disambiguated record
Jean-Frederic Zurcher
Also filed as: ZURCHER JEAN · ZURCHER JEAN-FREDERIC
3 granted patents·21 citations·filing 1976–1979
67Inventor score
Top patents by PatentIndex Score
3 records- 0150US4319082AAdaptive prediction differential-PCM transmission method and circuit using filtering by sub-bands and spectral analysisGILLOIRE ANDRE·Filed 1979·Granted Mar 9, 1982·13 cites·8 claims
- 0228US4063030ADetection circuit for significant peaks of speech signalsZURCHER JEAN FREDERIC·Filed 1976·Granted Dec 13, 1977·3 cites·4 claims
- 0327US4079197AVoice transcoder in helium atmosphereZURCHER JEAN FREDERIC·Filed 1976·Granted Mar 14, 1978·5 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Jean-Frederic Zurcher files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →