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BROADCAST TELEVISION SYST

Overview
  • Total Patents
    386
About

BROADCAST TELEVISION SYST has a total of 386 patent applications. Its first patent ever was published in 1983. It filed its patents most often in Germany, United States and Japan. Its main competitors in its focus markets audio-visual technology, basic communication technologies and computer technology are DANMERE LIMITED, MCCROSSAN JOSEPH and CROWDFLIK INC.

Patent filings per year

Chart showing BROADCAST TELEVISION SYSTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wischermann Gerhard 23
#2 Poetsch Dieter 14
#3 Poetsch Dieter Dipl Ing 13
#4 Wischermann Gerhard Dipl Ing 11
#5 Bachmann Peter 10
#6 Heitmann Juergen Dipl Ing 9
#7 Mester Roland Dipl Ing 8
#8 Seitz Martin 8
#9 Kirschenstein Reinhard 8
#10 Mester Roland 7

Latest patents

Publication Filing date Title
GB9408965D0 Method for the transmission of a video signal obtained by scanning a film
US5229893A Circuit apparatus for deriving synchronizing pulses from playbacks of a video tape recording
US5235471A Method of converting the data rate of a data signal
DE4143179A1 Noise redn. in motion detector for video signals - median filtering before suppression of below-threshold amplitudes and beyond-cut=off frequencies from detector output
DE4143180A1 METHOD AND ARRANGEMENT FOR MAKING A BACKGROUND SIGNAL INTO PARTS OF A FRONT BASE SIGNAL DETERMINED BY A PRESET PUNCH COLOR
DE4142652A1 Code conversion between word lengths for digital video signal - selecting 14-bit data words having 2 to 8 successive bits identical, for 8-bit input
DE4141538A1 Method for checking video information recorded on magnetic tape
DE4141536A1 Eliminating interference in colour value signals of multichannel generator - adding HF signal of appropriate amplitude lying outside video signal band to each colour value signal
DE4138901A1 Testing analogue circuit parts in digital video recording-reproducing appts. - feeding synthesised video signal to D=A converter and comparing reproduced signals with reference
DE4135210A1 METHOD AND CIRCUIT FOR CORRECTING SHADOWS
DE4135209A1 CIRCUIT ARRANGEMENT FOR REGULATING THE SPEED OF A MOTOR
DE4133164A1 VIDEO CAMERA WITH AT LEAST ONE SEMICONDUCTOR IMAGE SENSOR AND A WHOLE SECTOR BLIND
DE4132004A1 METHOD FOR INDUCTIVE TRANSMISSION OF A DATA SIGNAL
DE4129593A1 METHOD FOR CONTROLLING AND REGULATING A MAGNETIC TAPE DEVICE
DE4129110A1 Threshold value circuit with two MOS transistors - has transistors with source-drain sections connected in series with gate electrodes forming input and drain electrodes forming output
DE4127984A1 SYNCHRONIZATION METHOD FOR A RUNNING LIMIT LIMITED (1,7) CODE AND CIRCUIT ARRANGEMENT HEREFUER
DE4126127A1 Video tape signal reproduction appts. - has head output coupled to detector stage to determine signal envelope amplitude change to indicate regulation required for track alignment variation
DE4124957A1 TAPE GUIDE DEVICE FOR A MAGNETIC TAPE CASSETTE DEVICE
DE4122620A1 Regulation of tape tension in magnetic tape video recorder - using rollers on pivot mounted arms controlling tension with measured values compared with reference values to provide regulation
DE4120038A1 CONNECTOR FOR LIGHTWAVE GUIDE