Inventor · disambiguated record
Harold Seidel
Also filed as: SEIDEL HAROLD
23 granted patents·632 citations·filing 1975–1989
96Inventor score
Top patents by PatentIndex Score
23 records- 0198US4090147AInterferometric amplifierBELL TELEPHONE LABOR INC·Filed 1977·Granted May 16, 1978·69 cites·10 claims
- 0298US4024452AIntegrated solid state isolator circuitBELL TELEPHONE LABOR INC·Filed 1976·Granted May 17, 1977·91 cites·5 claims
- 0395US4095196AArc-cosine phase modulatorsBELL TELEPHONE LABOR INC·Filed 1977·Granted Jun 13, 1978·74 cites·10 claims
- 0491US4605999ASelf-oscillating high frequency power converterAT & T BELL LAB·Filed 1985·Granted Aug 12, 1986·88 cites·23 claims
- 0589US4181824ABalancing impedance circuitBELL TELEPHONE LABOR INC·Filed 1978·Granted Jan 1, 1980·50 cites·9 claims
- 0685US4273963AAutomatic equalization for digital transmission systemsBELL TELEPHONE LABOR INC·Filed 1979·Granted Jun 16, 1981·36 cites·11 claims
- 0783US4903181APower converter having parallel power switching systems coupled by an impedance inversion networkAMERICAN TELEPHONE & TELEGRAPH·Filed 1989·Granted Feb 20, 1990·44 cites·28 claims
- 0882US4383316AApparatus for and method of collating partitioned time disordered synchronous data streamsBELL TELEPHONE LABOR INC·Filed 1980·Granted May 10, 1983·50 cites·18 claims
- 0980US3976958AR-C signal dividers and signal filtersBELL TELEPHONE LABOR INC·Filed 1975·Granted Aug 24, 1976·19 cites·7 claims
- 1077US4025867ACapacitance magnification circuitBELL TELEPHONE LABOR INC·Filed 1976·Granted May 24, 1977·16 cites·8 claims
- 1165US4174470AElectronic hybridBELL TELEPHONE LABOR INC·Filed 1978·Granted Nov 13, 1979·16 cites·11 claims
- 1259US4486740ADC Cancellation in ternary-coded data systemsAT & T BELL LAB·Filed 1982·Granted Dec 4, 1984·18 cites·5 claims
- 1359US4278947APrecision frequency source using integrated circuit elementsBELL TELEPHONE LABOR INC·Filed 1979·Granted Jul 14, 1981·12 cites·1 claims
- 1455US4040728AOrdered array of integrated circuit semiconductor charge transfer device feedback delay type of stabilized phase-locked recursive oscillatorsBELL TELEPHONE LABOR INC·Filed 1976·Granted Aug 9, 1977·7 cites·16 claims
- 1549US4085298AMeasurement of current through a line subject to spurious high potentialsBELL TELEPHONE LABOR INC·Filed 1976·Granted Apr 18, 1978·5 cites·8 claims
- 1646US4395599ADriving point impedance derived from a transfer impedanceBELL TELEPHONE LABOR INC·Filed 1980·Granted Jul 26, 1983·10 cites·11 claims
- 1746US3962541AFrequency sample-and-hold circuitBELL TELEPHONE LABOR INC·Filed 1975·Granted Jun 8, 1976·8 cites·12 claims
- 1845US3980967ADifferential feedback amplifier with frequency-shaped reference signalBELL TELEPHONE LABOR INC·Filed 1975·Granted Sep 14, 1976·7 cites·5 claims
- 1940US4218776AParametric optical detectorBELL TELEPHONE LABOR INC·Filed 1979·Granted Aug 19, 1980·5 cites·4 claims
- 2035US4386242AImpedance matching using active couplersBELL TELEPHONE LABOR INC·Filed 1981·Granted May 31, 1983·3 cites·4 claims
- 2134US4078256AInversion using successive approximationBELL TELEPHONE LABOR INC·Filed 1977·Granted Mar 7, 1978·2 cites·4 claims
- 2230US4704671ASwitching type voltage regulator with noncontinuous feedbackAMERICAN TELEPHONE & TELEGRAPH·Filed 1986·Granted Nov 3, 1987·1 cites·10 claims
- 2330US4081692AApparatus for supplementing commercial power subject to brownout and blackout failuresBELL TELEPHONE LABOR INC·Filed 1976·Granted Mar 28, 1978·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →