Inventor · disambiguated record
John G. N. Henderson
Also filed as: HENDERSON JOHN · HENDERSON JOHN G · HENDERSON JOHN G N · HENDERSON JOHN GOODCHILDE NORI
37 granted patents·1 pending application·2,172 citations·filing 1976–2009
98Inventor score
Files withRCA CORP16HITACHI AMERICA LTD13INNOVATIVE TECHNOLOGY CONCEPTS4GEN ELECTRIC1HENDERSON JOHN G1
Top patents by PatentIndex Score
38 records- 0199US5377051ADigital video recorder compatible receiver with trick play image enhancementHITACHI AMERICA LTD·Filed 1993·Granted Dec 27, 1994·789 cites·27 claims
- 0297US5805762AVideo recording device compatible transmitterHITACHI AMERICA LTD·Filed 1994·Granted Sep 8, 1998·242 cites·39 claims
- 0396US5687275ATrick play data indentification methods and apparatus for use with digital video recording and playback devicesHITACHI AMERICA LTD·Filed 1995·Granted Nov 11, 1997·104 cites·23 claims
- 0496US4031549ATelevision tuning system with provisions for receiving RF carrier at nonstandard frequencyRCA CORP·Filed 1976·Granted Jun 21, 1977·51 cites·14 claims
- 0593US5729649AMethods and apparatus for recording data on a digital storage medium in a manner that facilitates the reading back of data during trick play operationHITACHI AMERICA LTD·Filed 1996·Granted Mar 17, 1998·64 cites·11 claims
- 0693US4422096ATelevision frequency synthesizer for nonstandard frequency carriersRCA CORP·Filed 1976·Granted Dec 20, 1983·28 cites·29 claims
- 0791US4402089ATelevision tuning system with electronic frequency adjustment apparatusRCA CORP·Filed 1981·Granted Aug 30, 1983·62 cites·25 claims
- 0889US5576902AMethod and apparatus directed to processing trick play video data to compensate for intentionally omitted dataHITACHI AMERICA LTD·Filed 1994·Granted Nov 19, 1996·100 cites·24 claims
- 0988US7604216B2Remotely activated manifold shut-offINNOVATIVE TECHNOLOGY CONCEPTS·Filed 2007·Granted Oct 20, 2009·23 cites·15 claims
- 1088US5729648AMethod and apparatus for selecting encoded video data for use during video recorder trick play operationHITACHI AMERICA LTD·Filed 1995·Granted Mar 17, 1998·96 cites·24 claims
- 1186US7006040B2Steerable antenna and receiver interface for terrestrial broadcastHITACHI HOME ELECTRONICS AMERI·Filed 2001·Granted Feb 28, 2006·38 cites·53 claims
- 1285US7325782B2Remotely activated manifold shut-offINNOVATIVE TECHNOLOGY CONCEPTS·Filed 2006·Granted Feb 5, 2008·17 cites·16 claims
- 1384US6148033AMethods and apparatus for improving picture quality in reduced resolution video decodersHITACHI AMERICA LTD·Filed 1997·Granted Nov 14, 2000·89 cites·27 claims
- 1484US5623344ADigital video recording device with trick play capabilityHITACHI AMERICA LTD·Filed 1994·Granted Apr 22, 1997·50 cites·23 claims
- 1584US4339827AAutomatic tuning circuit arrangement with switched impedancesRCA CORP·Filed 1980·Granted Jul 13, 1982·47 cites·25 claims
- 1682US6668018B2Methods and apparatus for representing different portions of an image at different resolutionsFiled 2002·Granted Dec 23, 2003·21 cites·26 claims
- 1782US6061400AMethods and apparatus for detecting scene conditions likely to cause prediction errors in reduced resolution video decoders and for using the detected informationHITACHI AMERICA LTD·Filed 1997·Granted May 9, 2000·73 cites·27 claims
- 1877US6370192B1Methods and apparatus for decoding different portions of a video image at different resolutionsHITACHI AMERICA LTD·Filed 1997·Granted Apr 9, 2002·51 cites·32 claims
- 1973US4349840AApparatus for automatically steering an electrically steerable television antennaRCA CORP·Filed 1980·Granted Sep 14, 1982·27 cites·21 claims
- 2073US4342999ALoop antenna arrangements for inclusion in a television receiverRCA CORP·Filed 1980·Granted Aug 3, 1982·28 cites·28 claims
- 2172US4429415ASignal-seeking tuning system with signal loss protection for a television receiverRCA CORP·Filed 1981·Granted Jan 31, 1984·24 cites·10 claims
- 2270US4291413ASearch type tuning system with direct address channel selection apparatusRCA CORP·Filed 1979·Granted Sep 22, 1981·9 cites·6 claims
- 2370US4181916ALiquid crystal channel number display responsive to ambient light levelRCA CORP·Filed 1978·Granted Jan 1, 1980·8 cites·8 claims
- 2468US5583650ADigital recording and playback device error correction methods and apparatus for use with trick play dataHITACHI AMERICA LTD·Filed 1995·Granted Dec 10, 1996·35 cites·22 claims
- 2565US7400265B2Remotely readable gas meter and method of using the sameINNOVATIVE TECHNOLOGY CONCEPTS·Filed 2006·Granted Jul 15, 2008·4 cites·23 claims
- 2665US4390902ATuning display for a television receiverRCA CORP·Filed 1981·Granted Jun 28, 1983·16 cites·10 claims
- 2765US4254506AChannel identification apparatus useful in a multiband sweep type tuning systemRCA CORP·Filed 1979·Granted Mar 3, 1981·7 cites·8 claims
- 2864US4317225AChannel identification apparatus useful in a sweep type tuning systemRCA CORP·Filed 1980·Granted Feb 23, 1982·17 cites·6 claims
- 2962US4536797ATelevision receiver with auxiliary on-screen displayRCA CORP·Filed 1983·Granted Aug 20, 1985·14 cites·4 claims
- 3059US4387401ACarrier detector apparatus useful in a multiband sweep type tuning systemRCA CORP·Filed 1981·Granted Jun 7, 1983·15 cites·15 claims
- 3157US7633441B2Steerable antenna and receiver interface for terrestrial broadcastHITACHI AMERICA LTD·Filed 2007·Granted Dec 15, 2009·1 cites·11 claims
- 3255US4398303ASignal-seeking tuning system with automatic bandswitching for a television receiverRCA CORP·Filed 1981·Granted Aug 9, 1983·12 cites·14 claims
- 3351US8125386B2Steerable antenna and receiver interface for terrestrial broadcastHENDERSON JOHN G N·Filed 2009·Granted Feb 28, 2012·1 cites·10 claims
- 3446US7425920B2Steerable antenna and receiver interface for terrestrial broadcastHITACHI AMERICA LTD·Filed 2006·Granted Sep 16, 2008·0 cites·21 claims
- 3542US4106059APhase locked loop television tuning systemRCA CORP·Filed 1977·Granted Aug 8, 1978·5 cites·12 claims
- 3642US2010000612A1Remotely activated manifold shut-off and method of using the sameINNOVATIVE TECHNOLOGY CONCEPTS·Filed 2009·Application pending·0 cites
- 3737US4947250ANoise reduction apparatus for a widescreen video signal processing systemGEN ELECTRIC·Filed 1989·Granted Aug 7, 1990·4 cites·7 claims
- 3834US8279081B2Remotely readable gas meter and method of using the sameHENDERSON JOHN G·Filed 2008·Granted Oct 2, 2012·0 cites·17 claims
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