CA940243A - Videophone system - Google Patents

Videophone system

Info

Publication number
CA940243A
CA940243A CA127,460A CA127460A CA940243A CA 940243 A CA940243 A CA 940243A CA 127460 A CA127460 A CA 127460A CA 940243 A CA940243 A CA 940243A
Authority
CA
Canada
Prior art keywords
videophone system
videophone
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA127,460A
Other languages
English (en)
Other versions
CA127460S (en
Inventor
Cornelis H. J. Vos
Herman Van Der Hoff
Johannes W. Coenders
Nicolaas A. M. Verhoeckx
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA940243A publication Critical patent/CA940243A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
    • H04N7/56—Synchronising systems therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Color Television Systems (AREA)
  • Synchronizing For Television (AREA)
CA127,460A 1970-11-13 1971-11-12 Videophone system Expired CA940243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7016627A NL7016627A (it) 1970-11-13 1970-11-13

Publications (1)

Publication Number Publication Date
CA940243A true CA940243A (en) 1974-01-15

Family

ID=19811547

Family Applications (1)

Application Number Title Priority Date Filing Date
CA127,460A Expired CA940243A (en) 1970-11-13 1971-11-12 Videophone system

Country Status (13)

Country Link
US (1) US3757044A (it)
JP (1) JPS5227973B1 (it)
AT (1) AT333354B (it)
AU (1) AU466571B2 (it)
CA (1) CA940243A (it)
CH (1) CH543205A (it)
DE (1) DE2152941B2 (it)
ES (1) ES396901A1 (it)
FR (1) FR2113932B1 (it)
GB (1) GB1321750A (it)
IT (1) IT942820B (it)
NL (1) NL7016627A (it)
SE (1) SE365692B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226850B2 (it) * 1972-08-23 1977-07-16
DE3107661A1 (de) * 1981-02-28 1982-09-16 geb. Weiß Karin 5090 Leverkusen Martens Verbindungsvorrichtung
US4697277A (en) * 1985-02-21 1987-09-29 Scientific Atlanta, Inc. Synchronization recovery in a communications system
US4817142A (en) * 1985-05-21 1989-03-28 Scientific Atlanta, Inc. Restoring framing in a communications system
JP2642931B2 (ja) * 1987-06-19 1997-08-20 ソニー株式会社 テレビ電話装置
GB2216359B (en) * 1988-03-18 1992-05-20 Marconi Gec Ltd Synchronisation
US5365579A (en) * 1991-12-27 1994-11-15 Lucasarts Entertainment Company Method and apparatus for remote control and synchronization allowing for simultaneous remote collaboration
DE4205417A1 (de) * 1992-02-22 1993-08-26 Sel Alcatel Ag Verfahren zum breitbandigen uebertragen von videosignalen sowie schaltungsanordnung und uebertragungsanlage dafuer
US20040173271A1 (en) * 2003-03-03 2004-09-09 Nance Stephen Keith Quick connect chemical injector

Also Published As

Publication number Publication date
DE2152941A1 (de) 1972-05-18
ES396901A1 (es) 1975-03-01
DE2152941B2 (de) 1978-02-23
ATA970771A (de) 1976-03-15
AU466571B2 (en) 1975-10-30
JPS5227973B1 (it) 1977-07-23
IT942820B (it) 1973-04-02
CH543205A (de) 1973-10-15
FR2113932B1 (it) 1977-03-18
AU3544471A (en) 1973-05-17
US3757044A (en) 1973-09-04
AT333354B (de) 1976-11-25
SE365692B (it) 1974-03-25
GB1321750A (en) 1973-06-27
FR2113932A1 (it) 1972-06-30
NL7016627A (it) 1972-05-16
DE2152941C3 (it) 1978-10-05

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