Assignee
TEKADE FELTEN & GUILLEAUME
DE·27 granted patents·255 citations·filing 1974–1985
Top patents by PatentIndex Score
27 records- 0174US4623980AMethod of processing electrical signals by means of Fourier transformationsTEKADE FELTEN & GUILLEAUME·Filed 1985·Granted Nov 18, 1986·43 cites·6 claims
- 0273US4006320AFault locating system and method for transmission lines and repeater stationsTEKADE FELTEN & GUILLEAUME·Filed 1975·Granted Feb 1, 1977·30 cites·20 claims
- 0369US4271514ALoopback test for data transmission pathsTEKADE FELTEN & GUILLEAUME·Filed 1979·Granted Jun 2, 1981·30 cites·2 claims
- 0463US4432601AApparatus and method for coupling and decoupling of optical fiber waveguidesTEKADE FELTEN & GUILLEAUME·Filed 1981·Granted Feb 21, 1984·19 cites·17 claims
- 0557US4329677ASignal-light systems, especially for a series of emergency-phone stations distributed along the length of a highway, or the likeTEKADE FELTEN & GUILLEAUME·Filed 1979·Granted May 11, 1982·13 cites·14 claims
- 0656US4243957AUniversal equalizerTEKADE FELTEN & GUILLEAUME·Filed 1978·Granted Jan 6, 1981·12 cites·3 claims
- 0752US4347601AMethod and system for processing coded information transmitted during cyclically successive time framesTEKADE FELTEN & GUILLEAUME·Filed 1979·Granted Aug 31, 1982·5 cites·7 claims
- 0851US4247934ATesting system for data transmission pathsTEKADE FELTEN & GUILLEAUME·Filed 1979·Granted Jan 27, 1981·14 cites·1 claims
- 0942US4433213ASubscriber's line circuit for telecommunications networksTEKADE FELTEN & GUILLEAUME·Filed 1982·Granted Feb 21, 1984·11 cites·8 claims
- 1039US4352110AMethod for siting cosine-squared antennas and antenna array obtained therebyTEKADE FELTEN & GUILLEAUME·Filed 1980·Granted Sep 28, 1982·8 cites·11 claims
- 1138US4525602AMethod of and a circuit for energizing a subscriber's circuit in a telephone systemTEKADE FELTEN & GUILLEAUME·Filed 1982·Granted Jun 25, 1985·8 cites·6 claims
- 1236US4057771AFrequency-response corrective networkTEKADE FELTEN & GUILLEAUME·Filed 1976·Granted Nov 8, 1977·4 cites·17 claims
- 1336US4039977AAdjustable compensating circuit having differential capacitor in each tunable stageTEKADE FELTEN & GUILLEAUME·Filed 1976·Granted Aug 2, 1977·4 cites·9 claims
- 1436US4032866ALow loss frequency response corrective networkTEKADE FELTEN & GUILLEAUME·Filed 1976·Granted Jun 28, 1977·4 cites·16 claims
- 1535US4264972AMethod and circuit for detecting errors in digital signalsTEKADE FELTEN & GUILLEAUME·Filed 1979·Granted Apr 28, 1981·8 cites·13 claims
- 1634US4514840AData transmission systems for full duplex communicationTEKADE FELTEN & GUILLEAUME·Filed 1982·Granted Apr 30, 1985·8 cites·3 claims
- 1732US4348769ACircuitry for extraction of a transmission clock signal from-modulated data transmissionsTEKADE FELTEN & GUILLEAUME·Filed 1980·Granted Sep 7, 1982·5 cites·5 claims
- 1832US3965300A200 MHz carrier frequency system with sextenary groupsTEKADE FELTEN & GUILLEAUME·Filed 1974·Granted Jun 22, 1976·3 cites·2 claims
- 1931US4476561ADevice for remotely supervising operation of a branched data-transmission networkTEKADE FELTEN & GUILLEAUME·Filed 1982·Granted Oct 9, 1984·7 cites·3 claims
- 2030US4287595AAdaptive delta-modulation networkTEKADE FELTEN & GUILLEAUME·Filed 1979·Granted Sep 1, 1981·3 cites·12 claims
- 2129US4264890ABlinking signal-light system, especially for a series of emergency-phone stations distributed along the length of a highway, or the likeTEKADE FELTEN & GUILLEAUME·Filed 1979·Granted Apr 28, 1981·2 cites·8 claims
- 2225US4595796AMethod of and a circuit arrangement for determining current criteria in the lines of a telephone systemTEKADE FELTEN & GUILLEAUME·Filed 1982·Granted Jun 17, 1986·4 cites·12 claims
- 2322US4148038ACircuit arrangement for mutually decoupled connecting of plural transmittersTEKADE FELTEN & GUILLEAUME·Filed 1977·Granted Apr 3, 1979·1 cites·8 claims
- 2421US4346367ACircuit for converting binary digital signals into pseudoternary A.C. pulsesTEKADE FELTEN & GUILLEAUME·Filed 1979·Granted Aug 24, 1982·5 cites·4 claims
- 2520US4395690ATwo-terminal-pair network simulating an inductanceTEKADE FELTEN & GUILLEAUME·Filed 1981·Granted Jul 26, 1983·2 cites·9 claims
- 2616US3986078ADevices for limiting the output voltage of current-controlled remote feed apparatusesTEKADE FELTEN & GUILLEAUME·Filed 1975·Granted Oct 12, 1976·1 cites·4 claims
- 2714US4417152AElectric switching deviceTEKADE FELTEN & GUILLEAUME·Filed 1981·Granted Nov 22, 1983·1 cites·8 claims
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