Inventor · disambiguated record
Josef Huellwegen
Also filed as: HUELLWEGEN JOSEF · HULLWEGEN JOSEF
8 granted patents·61 citations·filing 1975–1987
85Inventor score
Technology areasH04L
Files withNIXDORF COMPUTER AG8
Top patents by PatentIndex Score
8 records- 0168US3970944APulse suppressing circuit arrangements and equipment incorporating the sameNIXDORF COMPUTER AG·Filed 1975·Granted Jul 20, 1976·23 cites·12 claims
- 0242US4088906ATransmission level indicatorNIXDORF COMPUTER AG·Filed 1976·Granted May 9, 1978·8 cites·14 claims
- 0341US5105440AMethod and apparatus for adaptive equalization of pulse signalsNIXDORF COMPUTER AG·Filed 1987·Granted Apr 14, 1992·11 cites·26 claims
- 0437US4128743ACircuit arrangement for blocking a bidirectional amplifier against receiving outgoing signalsNIXDORF COMPUTER AG·Filed 1976·Granted Dec 5, 1978·6 cites·8 claims
- 0533US4297595ASignal regenerating circuit with improved input-output isolationNIXDORF COMPUTER AG·Filed 1979·Granted Oct 27, 1981·4 cites·9 claims
- 0631US4019114ACircuit arrangement for the ungrounded transmission of signals through testing points in communication facilitiesNIXDORF COMPUTER AG·Filed 1975·Granted Apr 19, 1977·4 cites·3 claims
- 0730US3958082ACircuit arrangement for controlling of amplification devices in a semi-duplex data signal transmission systemNIXDORF COMPUTER AG·Filed 1975·Granted May 18, 1976·3 cites·13 claims
- 0829US4031480ACircuit arrangement for the ungrounded transmission of signals through testing points in communication systemsNIXDORF COMPUTER AG·Filed 1976·Granted Jun 21, 1977·2 cites·8 claims
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