Inventor · disambiguated record
Barth Alan Canfield
Also filed as: CANFIELD BARTH A · CANFIELD BARTH ALAN
33 granted patents·1,473 citations·filing 1989–2008
98Inventor score
Top patents by PatentIndex Score
33 records- 0196US5091785APicture-in-picture circuitry using field rate synchronizationTHOMSON CONSUMER ELECTRONICS·Filed 1989·Granted Feb 25, 1992·158 cites·20 claims
- 0293US5159292AAdaptive phase locked loopTHOMSON CONSUMER ELECTRONICS·Filed 1992·Granted Oct 27, 1992·86 cites·10 claims
- 0392US5847762AMPEG system which decompresses and then recompresses MPEG video data before storing said recompressed MPEG video data into memoryTHOMSON CONSUMER ELECTRONICS·Filed 1995·Granted Dec 8, 1998·167 cites·18 claims
- 0489US5825424AMPEG system which decompresses and recompresses image data before storing image data in a memory and in accordance with a resolution of a display deviceTHOMSON CONSUMER ELECTRONICS·Filed 1996·Granted Oct 20, 1998·119 cites·22 claims
- 0587US6256347B1Pixel block compression apparatus in an image processing systemTHOMSON LICENSING SA·Filed 1997·Granted Jul 3, 2001·100 cites·7 claims
- 0686US5818530AMPEG compatible decoder including a dual stage data reduction networkTHOMSON CONSUMER ELECTRONICS·Filed 1996·Granted Oct 6, 1998·92 cites·16 claims
- 0786US5442406AWide screen televisionTHOMSON CONSUMER ELECTRONICS·Filed 1991·Granted Aug 15, 1995·70 cites·21 claims
- 0885US5294983AField synchronization system with write/read pointer controlTHOMSON CONSUMER ELECTRONICS·Filed 1991·Granted Mar 15, 1994·109 cites·15 claims
- 0983US5329369AAsymmetric picture compressionTHOMSON CONSUMER ELECTRONICS·Filed 1991·Granted Jul 12, 1994·57 cites·29 claims
- 1081US4991022AApparatus and a method for automatically centering a video zoom and pan displayRCA LICENSING CORP·Filed 1989·Granted Feb 5, 1991·37 cites·9 claims
- 1179US4992874AMethod and apparatus for correcting timing errors as for a multi-picture displayRCA LICENSING CORP·Filed 1989·Granted Feb 12, 1991·33 cites·12 claims
- 1277US6064450ADigital video preprocessor horizontal and vertical filtersTHOMSON LICENSING SA·Filed 1996·Granted May 16, 2000·61 cites·8 claims
- 1372US6453114B2Random picture decodingTHOMSON LICENSING SA·Filed 1998·Granted Sep 17, 2002·24 cites·5 claims
- 1471US6900845B1Memory architecture for a multiple format video signal processorTHOMSON LICENSING SA·Filed 1997·Granted May 31, 2005·40 cites·14 claims
- 1571US5031044AInset picture centering in a pix-in-pix systemRCA LICENSING CORP·Filed 1989·Granted Jul 9, 1991·25 cites·9 claims
- 1669US5369444AField type matching systemTHOMSON CONSUMER ELECTRONICS·Filed 1991·Granted Nov 29, 1994·28 cites·26 claims
- 1768US8908773B2Apparatus and method for encoding and decoding signalsCITTA RICHARD W·Filed 2008·Granted Dec 9, 2014·2 cites·5 claims
- 1868US6310922B1Method and apparatus for generating variable rate synchronization signalsTHOMSON CONSUMER ELECTRONICS·Filed 1995·Granted Oct 30, 2001·34 cites·15 claims
- 1968US6252906B1Decimation of a high definition video signalTHOMSON LICENSING SA·Filed 1998·Granted Jun 26, 2001·41 cites·18 claims
- 2068US6229951B1Digital video picture and ancillary data processing and storageTHOMSON CONSUMER ELECTRONICS·Filed 1999·Granted May 8, 2001·33 cites·2 claims
- 2167US5025496AOdd/even field detector for video signalsRCA LICENSING CORP·Filed 1990·Granted Jun 18, 1991·26 cites·7 claims
- 2266US9078034B2Apparatus and method for communicating burst mode activityCITTA RICHARD W·Filed 2008·Granted Jul 7, 2015·2 cites·16 claims
- 2364US4987493AMemory efficient interlace apparatus and method as for a picture in a picture displayRCA LICENSING CORP·Filed 1989·Granted Jan 22, 1991·18 cites·9 claims
- 2460US4965669AApparatus for digitally controlling the D.C. value of a processed signalRCA LICENSING CORP·Filed 1989·Granted Oct 23, 1990·15 cites·6 claims
- 2559US6621934B1Memory efficient compression apparatus in an image processing systemTHOMSON LICENSING SA·Filed 1997·Granted Sep 16, 2003·22 cites·13 claims
- 2658US9414110B2Preamble for a digital television systemCITTA RICHARD W·Filed 2008·Granted Aug 9, 2016·0 cites·24 claims
- 2755US6501507B1Multimode interpolation filter as for a TV receiverFiled 1998·Granted Dec 31, 2002·18 cites·4 claims
- 2854US5790197AMultimode interpolation filter as for a TV receiverTHOMSON CONSUMER ELECTRONICS·Filed 1994·Granted Aug 4, 1998·14 cites·4 claims
- 2950US6377748B1Replay bit stream searchingTHOMSON LICENSING SA·Filed 1998·Granted Apr 23, 2002·14 cites·14 claims
- 3049US6529551B1Data efficient quantization table for a digital video signal processorTHOMSON LICENSING SA·Filed 1997·Granted Mar 4, 2003·13 cites·18 claims
- 3143US6167086AOverhead data processor in a memory efficient image processing systemTHOMSON LICENSING SA·Filed 1997·Granted Dec 26, 2000·9 cites·13 claims
- 3234US5502501AField type detector for video signalTHOMSON CONSUMER ELECTRONICS·Filed 1994·Granted Mar 26, 1996·3 cites·2 claims
- 3333US5063580AApparatus for conditioning a control signalTHOMSON CONSUMER ELECTRONICS·Filed 1990·Granted Nov 5, 1991·3 cites·6 claims
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