FR2113933A1 - - Google Patents

Info

Publication number
FR2113933A1
FR2113933A1 FR7140504A FR7140504A FR2113933A1 FR 2113933 A1 FR2113933 A1 FR 2113933A1 FR 7140504 A FR7140504 A FR 7140504A FR 7140504 A FR7140504 A FR 7140504A FR 2113933 A1 FR2113933 A1 FR 2113933A1
Authority
FR
France
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.)
Granted
Application number
FR7140504A
Other languages
French (fr)
Other versions
FR2113933B1 (en
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
Publication of FR2113933A1 publication Critical patent/FR2113933A1/fr
Application granted granted Critical
Publication of FR2113933B1 publication Critical patent/FR2113933B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04N7/084—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 horizontal blanking interval only
    • H04N7/085—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 horizontal blanking interval only the inserted signal being digital
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—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
    • H04N7/24—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
FR7140504A 1970-11-13 1971-11-12 Expired FR2113933B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7016628A NL7016628A (en) 1970-11-13 1970-11-13

Publications (2)

Publication Number Publication Date
FR2113933A1 true FR2113933A1 (en) 1972-06-30
FR2113933B1 FR2113933B1 (en) 1977-03-18

Family

ID=19811548

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7140504A Expired FR2113933B1 (en) 1970-11-13 1971-11-12

Country Status (11)

Country Link
JP (1) JPS5227974B1 (en)
AU (1) AU3551771A (en)
CA (1) CA940244A (en)
CH (1) CH542560A (en)
DE (1) DE2152877C3 (en)
ES (1) ES396900A1 (en)
FR (1) FR2113933B1 (en)
GB (1) GB1321749A (en)
IT (1) IT942819B (en)
NL (1) NL7016628A (en)
SE (1) SE365691B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010040A1 (en) * 1978-10-05 1980-04-16 Thomson-Csf Method for transmitting an analog audiofrequency signal during line-field synchronisation intervals of a television signal, and apparatus for utilising this method
EP0011016A1 (en) * 1978-10-31 1980-05-14 Thomson-Brandt Transmitting system for audio-visual television signals synchronised by a pilot frequency, and method for putting it into operation
DE2947943A1 (en) * 1978-12-04 1980-06-26 Oak Industries Inc METHOD AND DEVICE FOR CODING AND DECODING VIDEO SIGNALS
FR2524242A1 (en) * 1982-03-24 1983-09-30 Radiotechnique Coding recognition circuit for TV transmission system - uses error counter to operate bistable of received signal agrees with reference
FR2524241A1 (en) * 1982-03-24 1983-09-30 Radiotechnique Receiver decoding control circuit for TV transmission system - uses phase locked loop and pseudo-random digital sequence generator to provide delay to line sync. signal
FR2552282A1 (en) * 1983-09-21 1985-03-22 Veillard Jacques METHOD AND DEVICE FOR COHERENT DEMODULATION OF A DIGITAL MODULATING CARRIER
EP0033306B1 (en) * 1980-01-22 1985-08-28 Paul Pierre Delogne Method and installation for transmitting television signals by means of a digital encoding of these signals

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2389290A1 (en) * 1977-04-29 1978-11-24 Briand Marcel DEVICE FOR TRANSMISSION AND RECEPTION BY ANALOGUE LINES OF VIDEO-PHONE SIGNALS AND DIGITAL SIGNALS
US4675722A (en) * 1982-12-02 1987-06-23 Independent Broadcasting Authority Apparatus for deriving synchronization signals for component television video signal reception

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010040A1 (en) * 1978-10-05 1980-04-16 Thomson-Csf Method for transmitting an analog audiofrequency signal during line-field synchronisation intervals of a television signal, and apparatus for utilising this method
FR2438401A1 (en) * 1978-10-05 1980-04-30 Thomson Csf METHOD FOR TRANSMITTING AN ANALOG AUDIO FREQUENCY SIGNAL DURING TELEVISION SIGNAL SYNCHRONIZATION INTERVALS AND DEVICE FOR CARRYING OUT SAID METHOD
EP0011016A1 (en) * 1978-10-31 1980-05-14 Thomson-Brandt Transmitting system for audio-visual television signals synchronised by a pilot frequency, and method for putting it into operation
FR2440669A1 (en) * 1978-10-31 1980-05-30 Thomson Brandt SYSTEM FOR BROADCASTING AUDIO-VISUAL TELEVISION SIGNALS SYNCHRONIZED BY A PILOT FREQUENCY AND METHOD FOR IMPLEMENTING SAME
DE2947943A1 (en) * 1978-12-04 1980-06-26 Oak Industries Inc METHOD AND DEVICE FOR CODING AND DECODING VIDEO SIGNALS
FR2443778A1 (en) * 1978-12-04 1980-07-04 Oak Industries Inc METHOD AND DEVICE FOR ENCODING AND DECODING VIDEO SIGNALS
EP0033306B1 (en) * 1980-01-22 1985-08-28 Paul Pierre Delogne Method and installation for transmitting television signals by means of a digital encoding of these signals
FR2524242A1 (en) * 1982-03-24 1983-09-30 Radiotechnique Coding recognition circuit for TV transmission system - uses error counter to operate bistable of received signal agrees with reference
FR2524241A1 (en) * 1982-03-24 1983-09-30 Radiotechnique Receiver decoding control circuit for TV transmission system - uses phase locked loop and pseudo-random digital sequence generator to provide delay to line sync. signal
FR2552282A1 (en) * 1983-09-21 1985-03-22 Veillard Jacques METHOD AND DEVICE FOR COHERENT DEMODULATION OF A DIGITAL MODULATING CARRIER
EP0140753A1 (en) * 1983-09-21 1985-05-08 Jacques Veillard Method and apparatus for the coherent demodulation of a digitally modulated carrier

Also Published As

Publication number Publication date
DE2152877B2 (en) 1978-01-19
DE2152877C3 (en) 1978-09-14
CA940244A (en) 1974-01-15
JPS5227974B1 (en) 1977-07-23
AU3551771A (en) 1973-05-17
FR2113933B1 (en) 1977-03-18
GB1321749A (en) 1973-06-27
ES396900A1 (en) 1975-05-01
SE365691B (en) 1974-03-25
AU465455B2 (en) 1975-09-25
IT942819B (en) 1973-04-02
DE2152877A1 (en) 1972-05-31
CH542560A (en) 1973-09-30
NL7016628A (en) 1972-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse