BE784137A - Systeme de transmission d'images par telephone - Google Patents

Systeme de transmission d'images par telephone

Info

Publication number
BE784137A
BE784137A BE784137A BE784137A BE784137A BE 784137 A BE784137 A BE 784137A BE 784137 A BE784137 A BE 784137A BE 784137 A BE784137 A BE 784137A BE 784137 A BE784137 A BE 784137A
Authority
BE
Belgium
Prior art keywords
transmission system
image transmission
telephone image
telephone
transmission
Prior art date
Application number
BE784137A
Other languages
English (en)
French (fr)
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of BE784137A publication Critical patent/BE784137A/xx

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)
  • Closed-Circuit Television Systems (AREA)
BE784137A 1971-06-01 1972-05-29 Systeme de transmission d'images par telephone BE784137A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1833771A GB1393674A (en) 1971-06-01 1971-06-01 Telephone image transmission system

Publications (1)

Publication Number Publication Date
BE784137A true BE784137A (fr) 1972-09-18

Family

ID=10110745

Family Applications (1)

Application Number Title Priority Date Filing Date
BE784137A BE784137A (fr) 1971-06-01 1972-05-29 Systeme de transmission d'images par telephone

Country Status (11)

Country Link
JP (1) JPS5726037B1 (enExample)
AU (1) AU474542B2 (enExample)
BE (1) BE784137A (enExample)
BR (1) BR7203528D0 (enExample)
CA (1) CA979549A (enExample)
DE (1) DE2226614C3 (enExample)
FR (1) FR2140132B1 (enExample)
GB (1) GB1393674A (enExample)
IT (1) IT956003B (enExample)
NL (1) NL7207370A (enExample)
SE (1) SE389787C (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843837A (en) * 1973-08-10 1974-10-22 Rca Corp Apparatus for generating sample pulses in a telephone image transmission system
IL82539A0 (en) * 1987-05-15 1987-11-30 Medaon Ltd Video communication system and phase or frequency modulator included therein
GB2257592A (en) * 1991-07-11 1993-01-13 Peter Barry Moss Slow scan conversion circuit
DE4205417A1 (de) * 1992-02-22 1993-08-26 Sel Alcatel Ag Verfahren zum breitbandigen uebertragen von videosignalen sowie schaltungsanordnung und uebertragungsanlage dafuer
WO2000051350A1 (en) 1999-02-22 2000-08-31 Terk Technologies Corp. Video transmission system and method utilizing phone lines in multiple unit dwellings

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE546828A (enExample) * 1955-05-05
US2955159A (en) * 1958-10-01 1960-10-04 Itt Narrow-band video communication system

Also Published As

Publication number Publication date
SE389787C (sv) 1980-02-18
CA979549A (en) 1975-12-09
DE2226614A1 (de) 1972-12-14
AU474542B2 (en) 1976-07-29
DE2226614B2 (de) 1974-12-05
AU4288472A (en) 1974-02-07
SE389787B (sv) 1976-11-15
JPS5726037B1 (enExample) 1982-06-02
BR7203528D0 (pt) 1973-06-28
FR2140132B1 (enExample) 1978-03-03
IT956003B (it) 1973-10-10
NL7207370A (enExample) 1972-12-05
FR2140132A1 (enExample) 1973-01-12
DE2226614C3 (de) 1975-07-10
GB1393674A (en) 1975-05-07

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