Assignee
BROADCAST TELEVISION SYST
DE·69 granted patents·945 citations·filing 1985–1994
Top patents by PatentIndex Score
69 records- 0189US4903131AMethod for the automatic correction of errors in image registration during film scanningBROADCAST TELEVISION SYST·Filed 1988·Granted Feb 20, 1990·83 cites·43 claims
- 0281US4994918AMethod and circuit for the automatic correction of errors in image steadiness during film scanningBROADCAST TELEVISION SYST·Filed 1990·Granted Feb 19, 1991·87 cites·8 claims
- 0380US5036395AVideo production facilityBROADCAST TELEVISION SYST·Filed 1989·Granted Jul 30, 1991·41 cites·9 claims
- 0477US4875102AAutomatic correcting of picture unsteadiness in television film scanningBROADCAST TELEVISION SYST·Filed 1988·Granted Oct 17, 1989·31 cites·49 claims
- 0574US5436673AVideo signal color correction based on color hueBROADCAST TELEVISION SYST·Filed 1994·Granted Jul 25, 1995·31 cites·11 claims
- 0672US5097521AMethod of concealing scratch errors in a video signal derived from a film scannerBROADCAST TELEVISION SYST·Filed 1990·Granted Mar 17, 1992·37 cites·7 claims
- 0772US5001473AMethod of controlling a multiplicity of units of video apparatusBROADCAST TELEVISION SYST·Filed 1990·Granted Mar 19, 1991·45 cites·5 claims
- 0870US5075809ARotary magnetic head tape-scanning device with heads protected from cross-talk by mounting on a head carrier and by annular shielding of a portion of the head projecting from the head carrierBROADCAST TELEVISION SYST·Filed 1989·Granted Dec 24, 1991·18 cites·15 claims
- 0965US5008751AApparatus system for deriving synchronizing information from a digital video signalBROADCAST TELEVISION SYST·Filed 1990·Granted Apr 16, 1991·24 cites·18 claims
- 1064US5355225AVideo signal color correction with dual function memories and color windowBROADCAST TELEVISION SYST·Filed 1992·Granted Oct 11, 1994·20 cites·16 claims
- 1162US5223987AMethod and apparatus for reproducing at a selected speed video signals recorded on magnetic tapeBROADCAST TELEVISION SYST·Filed 1990·Granted Jun 29, 1993·22 cites·4 claims
- 1262US5148278AFilter circuit of the median type for video signalsBROADCAST TELEVISION SYST·Filed 1991·Granted Sep 15, 1992·21 cites·6 claims
- 1361US5262965ASystem and method for high speed computer graphics image computation using a parallel connected, asynchronous multiprocessor ring coupled to a synchronous special purpose video processing ringBROADCAST TELEVISION SYST·Filed 1988·Granted Nov 16, 1993·35 cites·72 claims
- 1460US4829382AAutomatic aperture control of a television cameraBROADCAST TELEVISION SYST·Filed 1987·Granted May 9, 1989·21 cites·18 claims
- 1559US5282021AVideo hue correction taking account of saturation and luminanceBROADCAST TELEVISION SYST·Filed 1992·Granted Jan 25, 1994·21 cites·16 claims
- 1659US5191419AVideo noise reducer with detection of both total and temporal picture changesBROADCAST TELEVISION SYST·Filed 1991·Granted Mar 2, 1993·19 cites·14 claims
- 1758US5012340AMethod and circuit for deriving H and V synchronizing pulses from a tri-level HDTV synchronizing signalBROADCAST TELEVISION SYST·Filed 1989·Granted Apr 30, 1991·18 cites·5 claims
- 1857US5235471AMethod of converting the data rate of a data signalBROADCAST TELEVISION SYST·Filed 1992·Granted Aug 10, 1993·12 cites·1 claims
- 1957US4949165AMethod and apparatus for testing and checking the criteria of a key signal decoder from a chromakey mixerBROADCAST TELEVISION SYST·Filed 1988·Granted Aug 14, 1990·18 cites·8 claims
- 2052US5365529ACircuitry for detecting and correcting errors in data words occurring in Reed-Solomon coded blocks and determining when errors are uncorrectable by syndrome analysis, Euclid's algorithm and a Chien searchBROADCAST TELEVISION SYST·Filed 1991·Granted Nov 15, 1994·16 cites·4 claims
- 2151US5212690AMethod of synchronizing digital data by comparing to a reference word to determine bit errorsBROADCAST TELEVISION SYST·Filed 1991·Granted May 18, 1993·15 cites·12 claims
- 2251US5038210ATest pattern signal generator for producing zone plate and other test patternsBROADCAST TELEVISION SYST·Filed 1991·Granted Aug 6, 1991·15 cites·7 claims
- 2351US5027231AMethod of setting the tape pitch of a magnetic tape playback equipment by adjusting tape guidesBROADCAST TELEVISION SYST·Filed 1989·Granted Jun 25, 1991·8 cites·3 claims
- 2451US4932041ACircuit for obtaining a bit-rate clock signal from a serial digital data signalBROADCAST TELEVISION SYST·Filed 1988·Granted Jun 5, 1990·18 cites·9 claims
- 2550US5055920AStill picture decoder for color television signals having a phase changing color carrierBROADCAST TELEVISION SYST·Filed 1990·Granted Oct 8, 1991·14 cites·10 claims
- 2650US5003541AMethod and circuit for semiconductor memory processing of video signals with Reed-Solomon error detectionBROADCAST TELEVISION SYST·Filed 1989·Granted Mar 26, 1991·18 cites·12 claims
- 2748US5051847AMagnetic head driver amplifier for oblique track recording tapeBROADCAST TELEVISION SYST·Filed 1989·Granted Sep 24, 1991·7 cites·6 claims
- 2848US5040054ACircuit apparatus for automatic correction of TV color balanceBROADCAST TELEVISION SYST·Filed 1990·Granted Aug 13, 1991·11 cites·8 claims
- 2947US5122761ADigital pll including controllable delay circuitBROADCAST TELEVISION SYST·Filed 1991·Granted Jun 16, 1992·13 cites·4 claims
- 3046US5218445ASystem for focusing a television camera objective lensBROADCAST TELEVISION SYST·Filed 1990·Granted Jun 8, 1993·11 cites·5 claims
- 3145US5038350AMethod and circuit apparatus for data word error detection and correctionBROADCAST TELEVISION SYST·Filed 1989·Granted Aug 6, 1991·9 cites·4 claims
- 3245US5016105ASpecial effects mixer for video signals with automatic amplitude control of signals relating to lower priority planesBROADCAST TELEVISION SYST·Filed 1989·Granted May 14, 1991·10 cites·12 claims
- 3345US5008749AMethod and apparatus for generating an auxiliary timing signal in the horizontal blanking interval of a video signalBROADCAST TELEVISION SYST·Filed 1990·Granted Apr 16, 1991·15 cites·13 claims
- 3445US4855826AZone plate signal generatorBROADCAST TELEVISION SYST·Filed 1988·Granted Aug 8, 1989·8 cites·8 claims
- 3543US5040066AApparatus for generating control signals of a video mixer systemBROADCAST TELEVISION SYST·Filed 1990·Granted Aug 13, 1991·14 cites·12 claims
- 3642US5146315AMethod and apparatus for automatically setting parameters in the derivation of a mixer keying signal from video signalsBROADCAST TELEVISION SYST·Filed 1990·Granted Sep 8, 1992·8 cites·13 claims
- 3741US5057948ARecording of digital signals on d.c.-erased magnetic tapeBROADCAST TELEVISION SYST·Filed 1989·Granted Oct 15, 1991·5 cites·5 claims
- 3840US5245414AVideo signal synchronizer for a video signal in luminance and chrominance component formBROADCAST TELEVISION SYST·Filed 1990·Granted Sep 14, 1993·7 cites·14 claims
- 3939US5229893ACircuit apparatus for deriving synchronizing pulses from playbacks of a video tape recordingBROADCAST TELEVISION SYST·Filed 1992·Granted Jul 20, 1993·9 cites·3 claims
- 4039US5027318ABit place oriented data storage system for digital dataBROADCAST TELEVISION SYST·Filed 1989·Granted Jun 25, 1991·6 cites·5 claims
- 4138US5310133AMagnetic tape transport device with tape tension roller on a lever subjected to motor torqueBROADCAST TELEVISION SYST·Filed 1993·Granted May 10, 1994·4 cites·8 claims
- 4238US4920461ABroadband magnetic tape recording with compensation for bandwidth changes related to data rateBROADCAST TELEVISION SYST·Filed 1989·Granted Apr 24, 1990·4 cites·4 claims
- 4337US5144645ACircuit apparatus for generating a symmetrical pulse sequence of variable frequencyBROADCAST TELEVISION SYST·Filed 1991·Granted Sep 1, 1992·7 cites·4 claims
- 4437US4984116AMagnetic scanning device for an oblique-track tape deckBROADCAST TELEVISION SYST·Filed 1988·Granted Jan 8, 1991·4 cites·6 claims
- 4537US4973123AElectro-optical rotary coupling suitable for tape scannersBROADCAST TELEVISION SYST·Filed 1989·Granted Nov 27, 1990·8 cites·6 claims
- 4637US4902989ALocal area network coaxial cable connection deviceBROADCAST TELEVISION SYST·Filed 1989·Granted Feb 20, 1990·11 cites·13 claims
- 4736US5276708ACoding method for reducing the D.C. component in the data stream of a digital signalBROADCAST TELEVISION SYST·Filed 1992·Granted Jan 4, 1994·6 cites·7 claims
- 4836US5103349AProcess for directly copying frequency modulated video signals from magnetic tape to magnetic tapeBROADCAST TELEVISION SYST·Filed 1985·Granted Apr 7, 1992·3 cites·4 claims
- 4936US5043825AIntermediate picture field storage system for slow motion playback of video tape recordingBROADCAST TELEVISION SYST·Filed 1989·Granted Aug 27, 1991·4 cites·3 claims
- 5036US5038229AMethod of performing a tracking adjustment of a digital video recording and reproducing equipmentBROADCAST TELEVISION SYST·Filed 1989·Granted Aug 6, 1991·4 cites·5 claims
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