Inventor · disambiguated record
Gilbert M. M. Ferrieu
Also filed as: BREANT PIERRE L V · FERRIEU GILBERT M M · FERRIEU GILBERT MARIE MARCEL
19 granted patents·123 citations·filing 1974–1985
94Inventor score
Top patents by PatentIndex Score
19 records- 0164US4275277ASubscriber line interface circuit for a telephone linePHILIPS CORP·Filed 1979·Granted Jun 23, 1981·10 cites·8 claims
- 0263US4174467ARinging signal generator for use in a subscriber's line circuitPHILIPS CORP·Filed 1978·Granted Nov 13, 1979·10 cites·4 claims
- 0361US4211896ASubscriber's circuit with a symmetrical amplifierTRT TELECOM RADIO ELECTR·Filed 1978·Granted Jul 8, 1980·9 cites·8 claims
- 0453US3952164AVocoder system using delta modulationTRT TELECOM RADIO ELECTR·Filed 1974·Granted Apr 20, 1976·10 cites·3 claims
- 0551US4356355AApparatus for detecting the closure of a subscriber's line during ringingTRT TELECOM RADIO ELECTR·Filed 1980·Granted Oct 26, 1982·11 cites·4 claims
- 0648US4827472AEcho canceller using delta modulationTRT TELECOM RADIO ELECTR·Filed 1985·Granted May 2, 1989·15 cites·21 claims
- 0745US4356354AElectronic subscriber junctorTRT TELECOM RADIO ELECTR·Filed 1980·Granted Oct 26, 1982·6 cites·13 claims
- 0844US4135062AElectric network for use in a subscriber's loopPHILIPS CORP·Filed 1977·Granted Jan 16, 1979·4 cites·5 claims
- 0943US4481463ACurrent mirror circuitPHILIPS CORP·Filed 1982·Granted Nov 6, 1984·5 cites·8 claims
- 1042US4484034AAnti-larsen-effect arrangement in a telephone station equipped with a loudspeakerTRT TELECOM RADIO ELECTR·Filed 1983·Granted Nov 20, 1984·8 cites·9 claims
- 1142US4453039AArrangement for avoiding annoying sustained oscillations in a closed-loop system and loud-speaking telephone set employing this arrangementTRT TELECOM RADIO ELECTR·Filed 1982·Granted Jun 5, 1984·6 cites·19 claims
- 1241US3968354ATransversal digital filter for delta coded signalsTRT TELECOM RADIO ELECTR·Filed 1974·Granted Jul 6, 1976·4 cites·8 claims
- 1339US4454384AHands free telephone with switchable gain in the two speech signal pathsTRT TELECOM RADIO ELECTR·Filed 1982·Granted Jun 12, 1984·7 cites·5 claims
- 1438US4321430ASubscriber's connecting network comprising a symmetrical power amplifier for feeding a subscriber's lineTRT TELECOM RADIO ELECTR·Filed 1980·Granted Mar 23, 1982·5 cites·7 claims
- 1536US4386236AAutomatic sound level control of telephone stationTRT TELECOM RADIO ELECTR·Filed 1981·Granted May 31, 1983·5 cites·5 claims
- 1635US4225963AArrangement for processing a delta modulation signal, in particular for decoding these signalsTRT TELECOM RADIO ELECTR·Filed 1978·Granted Sep 30, 1980·4 cites·6 claims
- 1730US4187400ATime-division multiplex communication system for connecting two-wire line circuits in time-division multiplexTRT TELECOM RADIO ELECTR·Filed 1978·Granted Feb 5, 1980·1 cites·5 claims
- 1827US4184150ACircuit arrangement for halving the sampling rate of a delta modulation signalTRT TELECOM RADIO ELECTR·Filed 1978·Granted Jan 15, 1980·1 cites·3 claims
- 1926US4414434AElectronic subscriber line interface circuit having means to equalize current through the output differential amplifierTRT TELECOM RADIO ELECTR·Filed 1981·Granted Nov 8, 1983·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →