SE369570B - - Google Patents

Info

Publication number
SE369570B
SE369570B SE7317209A SE7317209A SE369570B SE 369570 B SE369570 B SE 369570B SE 7317209 A SE7317209 A SE 7317209A SE 7317209 A SE7317209 A SE 7317209A SE 369570 B SE369570 B SE 369570B
Authority
SE
Sweden
Application number
SE7317209A
Inventor
C Danell
B Holmer
P Rodhe
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE7317209A priority Critical patent/SE369570B/xx
Publication of SE369570B publication Critical patent/SE369570B/xx
Priority to US05/530,091 priority patent/US3976831A/en
Priority to DE19742458642 priority patent/DE2458642A1/de
Priority to GB54051/74A priority patent/GB1492570A/en
Priority to NL7416369A priority patent/NL7416369A/xx
Priority to JP49144934A priority patent/JPS5093712A/ja
Priority to FR7442378A priority patent/FR2255764B1/fr
Priority to IT30867/74A priority patent/IT1027920B/it

Links

Classifications

    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SE7317209A 1973-12-20 1973-12-20 SE369570B (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE7317209A SE369570B (ja) 1973-12-20 1973-12-20
US05/530,091 US3976831A (en) 1973-12-20 1974-12-06 Method for transmitting pictures at a picture telephone transmission having limited bandwidth
DE19742458642 DE2458642A1 (de) 1973-12-20 1974-12-11 Verfahren zur bilduebermittlung bei bildtelefoneinrichtungen mit begrenzter bandbreite
GB54051/74A GB1492570A (en) 1973-12-20 1974-12-13 Television transmission
NL7416369A NL7416369A (nl) 1973-12-20 1974-12-16 Werkwijze en stelsel voor het overdragen van beeldinformatie in het raam van beeld-telefoon- -overdracht met een beperkte bandbreedte.
JP49144934A JPS5093712A (ja) 1973-12-20 1974-12-17
FR7442378A FR2255764B1 (ja) 1973-12-20 1974-12-20
IT30867/74A IT1027920B (it) 1973-12-20 1974-12-20 Metodo per trasmettere immagini in una trasmissione videotelefoni ca a larghezza di banda limitata

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7317209A SE369570B (ja) 1973-12-20 1973-12-20

Publications (1)

Publication Number Publication Date
SE369570B true SE369570B (ja) 1974-09-02

Family

ID=20319457

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7317209A SE369570B (ja) 1973-12-20 1973-12-20

Country Status (8)

Country Link
US (1) US3976831A (ja)
JP (1) JPS5093712A (ja)
DE (1) DE2458642A1 (ja)
FR (1) FR2255764B1 (ja)
GB (1) GB1492570A (ja)
IT (1) IT1027920B (ja)
NL (1) NL7416369A (ja)
SE (1) SE369570B (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074254A (en) * 1976-07-22 1978-02-14 International Business Machines Corporation Xy addressable and updateable compressed video refresh buffer for digital tv display
JPS5399826A (en) * 1977-02-14 1978-08-31 Hitachi Ltd Controller for data display
US4196447A (en) * 1978-04-17 1980-04-01 Arvin Industries, Inc. Facsimile to video converter
US4254438A (en) * 1978-12-13 1981-03-03 Kokusai Denshin Denwa Kabushiki Kaisha Coding method for facsimile signal
JPS564946A (en) * 1979-05-24 1981-01-19 Nec Corp Speed converter using charge transfer device
US4496976A (en) * 1982-12-27 1985-01-29 Rockwell International Corporation Reduced memory graphics-to-raster scan converter
JPS61114676A (ja) * 1984-11-09 1986-06-02 Nec Corp ブロツク符号化装置
US4716585A (en) * 1985-04-05 1987-12-29 Datapoint Corporation Gain switched audio conferencing network
US4686698A (en) * 1985-04-08 1987-08-11 Datapoint Corporation Workstation for interfacing with a video conferencing network
US4710917A (en) * 1985-04-08 1987-12-01 Datapoint Corporation Video conferencing network
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
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
US5034813A (en) * 1990-07-24 1991-07-23 Analogic Corporation System for signal digitization by spaced interval sampling
US5202957A (en) * 1990-08-09 1993-04-13 Future Communications Full motion video telephone system
JPH10117144A (ja) * 1996-10-08 1998-05-06 Nec Ic Microcomput Syst Ltd Ａ／ｄコンバータ
US8849752B2 (en) * 2005-07-21 2014-09-30 Google Inc. Overloaded communication session

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663749A (en) * 1969-11-24 1972-05-16 Ibm Slow scan video method and system
US3822363A (en) * 1972-08-09 1974-07-02 Digi Log Syst Inc Portable computer terminal using a standard television receiver

Also Published As

Publication number Publication date
IT1027920B (it) 1978-12-20
DE2458642A1 (de) 1975-07-03
JPS5093712A (ja) 1975-07-26
NL7416369A (nl) 1975-06-24
US3976831A (en) 1976-08-24
FR2255764B1 (ja) 1978-07-07
FR2255764A1 (ja) 1975-07-18
GB1492570A (en) 1977-11-23

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