SE388992B - Sett och anordning for bandbreddskomprimering - Google Patents

Sett och anordning for bandbreddskomprimering

Info

Publication number
SE388992B
SE388992B SE7405734A SE7405734A SE388992B SE 388992 B SE388992 B SE 388992B SE 7405734 A SE7405734 A SE 7405734A SE 7405734 A SE7405734 A SE 7405734A SE 388992 B SE388992 B SE 388992B
Authority
SE
Sweden
Prior art keywords
kit
bandwidth compression
bandwidth
compression
Prior art date
Application number
SE7405734A
Other languages
English (en)
Inventor
G R Southworth
R W Lewallen
J E Sparks
Original Assignee
Colorado Video
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Colorado Video filed Critical Colorado Video
Publication of SE388992B publication Critical patent/SE388992B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line
    • H04N7/125—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line the signal segment being a picture element

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Television Systems (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SE7405734A 1973-04-30 1974-04-29 Sett och anordning for bandbreddskomprimering SE388992B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/355,802 US3950607A (en) 1973-04-30 1973-04-30 Bandwidth compression system and method

Publications (1)

Publication Number Publication Date
SE388992B true SE388992B (sv) 1976-10-18

Family

ID=23398909

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7405734A SE388992B (sv) 1973-04-30 1974-04-29 Sett och anordning for bandbreddskomprimering

Country Status (5)

Country Link
US (1) US3950607A (sv)
JP (1) JPS5841712B2 (sv)
DE (1) DE2420830C2 (sv)
GB (1) GB1457142A (sv)
SE (1) SE388992B (sv)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112425A (en) * 1976-03-03 1978-09-05 Zonic Technical Laboratories, Inc. Transient analog signal capture and transmission system
JPS53139925A (en) * 1977-05-13 1978-12-06 Hitachi Ltd Receiving method for video signal
US4354207A (en) * 1979-03-12 1982-10-12 Chesley Gilman D System for identifying and locating recorded analog information
US4335393A (en) * 1980-04-15 1982-06-15 Harris Video Systems, Inc. Method and system using sequentially encoded color and luminance processing of video type signals to improve picture quality
DE3042966C2 (de) * 1980-11-14 1982-08-12 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur Reproduktion von Halbtonbildern in der Faksimiletechnik
DE3042919C2 (de) * 1980-11-14 1983-08-25 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren und Einrichtung zur Übertragung von Farbbildern in der Faksimiletechnik
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US4473837A (en) * 1982-05-28 1984-09-25 General Electric Company System for encoding and decoding video signals
US4514753A (en) * 1982-11-03 1985-04-30 Colorado Video, Incorporated Spectrum conservation in encoded color TV signals
US4652857A (en) * 1983-04-29 1987-03-24 Meiksin Zvi H Method and apparatus for transmitting wide-bandwidth frequency signals from mines and other power restricted environments
US4654484A (en) * 1983-07-21 1987-03-31 Interand Corporation Video compression/expansion system
US4704737A (en) * 1985-09-27 1987-11-03 Hughes Aircraft Company Compressive receiver having pulse width expansion
JP2569006B2 (ja) * 1986-04-02 1997-01-08 株式会社日立製作所 映像信号の記録装置
JPH079149Y2 (ja) * 1986-08-29 1995-03-06 株式会社コパル 写真焼付用プリンタ−のペ−パ−搬送装置
US4864301A (en) * 1987-07-24 1989-09-05 Richard J. Helferich Variable speed transmission recording and retrieval of data
US4905003A (en) * 1987-07-24 1990-02-27 Richard J. Helferich Analog/digital data storage system
US5003576A (en) * 1987-07-24 1991-03-26 Richard J. Helferich Analog/digital voice storage cellular telephone
USRE34976E (en) * 1987-07-24 1995-06-20 Richard J. Helferich Analog/digital voice storage cellular telephone
USRE37618E1 (en) * 1987-07-24 2002-04-02 Richard J. Helferich Analog/digital data storage system
US4857993A (en) * 1988-04-27 1989-08-15 Universal Video Communications Corp. Method and system for decompressing digital color video statistically encoded data
US4914508A (en) * 1988-04-27 1990-04-03 Universal Video Communications Corp. Method and system for compressing and statistically encoding color video data
US4847677A (en) * 1988-04-27 1989-07-11 Universal Video Communications Corp. Video telecommunication system and method for compressing and decompressing digital color video data
EP0441661B1 (en) * 1990-02-09 1996-01-10 Sharp Kabushiki Kaisha A driving method and a driving device for a display device
GB9101548D0 (en) * 1991-01-24 1991-03-06 Stc Plc Surveillance system
US5793426A (en) * 1996-06-24 1998-08-11 Tektronix, Inc. Video compression enhancement
US7940942B2 (en) * 2003-12-30 2011-05-10 Apple Inc. Self-identifying microphone
US10187230B1 (en) * 2017-09-08 2019-01-22 Inphi Corporation Equalization for transmitter input buffer array

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955159A (en) * 1958-10-01 1960-10-04 Itt Narrow-band video communication system
US3284567A (en) * 1963-11-26 1966-11-08 Ball Brothers Res Corp Narrow bandwidth television system
US3499996A (en) * 1966-12-30 1970-03-10 Octronix Inc Bandwidth compressor and expander
DE1907700C3 (de) * 1969-02-15 1978-05-11 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth Verfahren zur Übertragung eines Fernseheinzelbildes über einen Schmalbandkanal, vorzugsweise einen Telefonkanal
US3683111A (en) * 1969-06-18 1972-08-08 Colorado Video Television bandwidth compression and expansion system
US3752912A (en) * 1969-11-27 1973-08-14 Japan Broadcasting Corp System for converting facsimile signals
US3736373A (en) * 1971-12-13 1973-05-29 Bell Telephone Labor Inc Conditional vertical subsampling in a video redundancy reduction system
US3825677A (en) * 1972-08-25 1974-07-23 Arvin Ind Inc Television scan converter bandwidth reduction device
US3806644A (en) * 1973-02-23 1974-04-23 Bell Telephone Labor Inc Video format converter

Also Published As

Publication number Publication date
DE2420830A1 (de) 1974-11-21
JPS5841712B2 (ja) 1983-09-13
US3950607A (en) 1976-04-13
JPS5017123A (sv) 1975-02-22
DE2420830C2 (de) 1983-05-19
GB1457142A (en) 1976-12-01

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