Inventor · disambiguated record
Jack R. Harford
Also filed as: HARFORD JACK R · HARFORD JACK RUDOLPH
37 granted patents·627 citations·filing 1977–2005
98Inventor score
Top patents by PatentIndex Score
37 records- 0188US4870534APower line surge suppressorHARFORD JACK R·Filed 1988·Granted Sep 26, 1989·56 cites·20 claims
- 0288US4870528APower line surge suppressorHARFORD JACK R·Filed 1988·Granted Sep 26, 1989·54 cites·16 claims
- 0387US5805053AAppliance adapted for power line communicationsELCOM TECHNOLOGIES INC·Filed 1996·Granted Sep 8, 1998·139 cites·10 claims
- 0487US4275362AGain controlled amplifier using a pin diodeRCA CORP·Filed 1979·Granted Jun 23, 1981·25 cites·15 claims
- 0585US7184252B2Surge protector with input transformerHARFORD JACK R·Filed 2005·Granted Feb 27, 2007·13 cites·16 claims
- 0685US4185299ASynchronization signal separator circuitRCA CORP·Filed 1978·Granted Jan 22, 1980·33 cites·20 claims
- 0782US4216523AModular printed circuit boardRCA CORP·Filed 1977·Granted Aug 5, 1980·37 cites·8 claims
- 0872US6728089B2Surge suppressor for wide range of input voltagesFiled 2001·Granted Apr 27, 2004·18 cites·20 claims
- 0970US5331290AVariable gain amplifierSAMSUNG ELECTRONICS CO LTD·Filed 1992·Granted Jul 19, 1994·27 cites·27 claims
- 1070US4260956ATemperature compensating bias circuitRCA CORP·Filed 1979·Granted Apr 7, 1981·12 cites·15 claims
- 1168US4212032ASynchronization and gain control circuitRCA CORP·Filed 1978·Granted Jul 8, 1980·15 cites·8 claims
- 1266US7068487B2Surge protectorHARFORD JACK R·Filed 2004·Granted Jun 27, 2006·11 cites·20 claims
- 1363US4344044AGain-controlled amplifier utilizing variable emitter degeneration and collector load impedanceRCA CORP·Filed 1980·Granted Aug 10, 1982·14 cites·14 claims
- 1462US5305109AParallel untuned video if amplifiers supplied signals from TV 1st detector via respective input filtersSAMSUNG ELECTRONICS CO LTD·Filed 1993·Granted Apr 19, 1994·17 cites·18 claims
- 1562US4172239ASignal attenuatorRCA CORP·Filed 1978·Granted Oct 23, 1979·9 cites·5 claims
- 1657US4342005ATelevision intermediate frequency amplifier with feedback stabilizationRCA CORP·Filed 1980·Granted Jul 27, 1982·12 cites·6 claims
- 1755US4344043AVariable load impedance gain-controlled amplifierRCA CORP·Filed 1980·Granted Aug 10, 1982·11 cites·16 claims
- 1853US5337091AVideo IF amplifier with auxiliary IF amplifier for intercarrier sound & AFTSAMSUNG ELECTRONICS CO LTD·Filed 1993·Granted Aug 9, 1994·14 cites·10 claims
- 1952US5479137AControlled oscillator, as for synchyronous video detectorSAMSUNG ELECTRONICS CO LTD·Filed 1993·Granted Dec 26, 1995·16 cites·15 claims
- 2052US5365279AUsing D-C feedback with on-chip filtering to balance I-F drive to second detector in monolithic ICSAMSUNG ELECTRONICS CO LTD·Filed 1993·Granted Nov 15, 1994·12 cites·18 claims
- 2151US4237490ASignal overload prevention circuitRCA CORP·Filed 1979·Granted Dec 2, 1980·8 cites·9 claims
- 2250US4213151AAGC keying signal circuitRCA CORP·Filed 1978·Granted Jul 15, 1980·6 cites·12 claims
- 2349US4463369AIntegrated circuit overload protection deviceRCA CORP·Filed 1981·Granted Jul 31, 1984·10 cites·6 claims
- 2445US5446500ANoise reducing apparatus and methods for television receiversSAMSUNG ELECTRONICS CO LTD·Filed 1994·Granted Aug 29, 1995·6 cites·21 claims
- 2544US4378528AGain-controlled amplifier systemRCA CORP·Filed 1981·Granted Mar 29, 1983·6 cites·7 claims
- 2643US5526062AColor TV receiver using quadrature-phase synchronous detector for supplying signal to chrominance circuitrySAMSUNG ELECTRONICS CO LTD·Filed 1995·Granted Jun 11, 1996·6 cites·6 claims
- 2742US5369445ANoise reducing apparatus and methods for television receiversSAMSUNG ELECTRONICS CO LTD·Filed 1992·Granted Nov 29, 1994·5 cites·17 claims
- 2841US4388649AAFT Lockout prevention systemRCA CORP·Filed 1981·Granted Jun 14, 1983·6 cites·7 claims
- 2941US4366443ATelevision intermediate frequency amplifierRCA CORP·Filed 1980·Granted Dec 28, 1982·5 cites·7 claims
- 3040US5457500AColor TV receiver using quadrature-phase synchronous detector for supplying signal to chrominance circuitrySAMSUNG ELECTRONICS CO LTD·Filed 1994·Granted Oct 10, 1995·4 cites·16 claims
- 3138US4345214AVariable emitter degeneration gain-controlled amplifierRCA CORP·Filed 1980·Granted Aug 17, 1982·4 cites·10 claims
- 3237US4254436ANoise cancellation circuitRCA CORP·Filed 1978·Granted Mar 3, 1981·3 cites·9 claims
- 3336US4365208AGain-controlled amplifier using a controllable alternating-current resistanceRCA CORP·Filed 1980·Granted Dec 21, 1982·4 cites·10 claims
- 3436US4218708AKeyed AGC circuitRCA CORP·Filed 1978·Granted Aug 19, 1980·2 cites·11 claims
- 3534US4408229ANoise sensitivity reduction apparatus for a TV receiver AGC systemRCA CORP·Filed 1981·Granted Oct 4, 1983·3 cites·7 claims
- 3634US4329713ATelevision automatic gain control systemRCA CORP·Filed 1980·Granted May 11, 1982·3 cites·4 claims
- 3730US4367491AVideo signal recovery systemRCA CORP·Filed 1981·Granted Jan 4, 1983·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →