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 versions
FR2113933B1 (fr
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Synchronizing For Television (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FR7140504A 1970-11-13 1971-11-12 Expired FR2113933B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=19811548

Family Applications (1)

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

Country Status (11)

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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010040A1 (fr) * 1978-10-05 1980-04-16 Thomson-Csf Procédé de transmission d'un signal analogique audiofréquence pendant les intervalles de synchronisation de ligne-trame d'un signal de télévision et dispositif de mise en oeuvre de ce procédé
EP0011016A1 (fr) * 1978-10-31 1980-05-14 Thomson-Brandt Système de diffusion de signaux audio-visuels de télévision synchronisés par une fréquence pilote et procédé de mise en oeuvre
DE2947943A1 (de) * 1978-12-04 1980-06-26 Oak Industries Inc Verfahren und vorrichtung zum codieren und decodieren von videosignalen
FR2524241A1 (fr) * 1982-03-24 1983-09-30 Radiotechnique Circuit de commande du dispositif de decryptage d'un systeme de transmission d'emissions de television cryptees et systeme de transmission d'emissions cryptees comportant un tel circuit
FR2524242A1 (fr) * 1982-03-24 1983-09-30 Radiotechnique Circuit de reconnaissance de cryptage pour systeme de transmission d'emissions de television et systeme de transmission d'emissions cryptees comprenant un tel circuit
FR2552282A1 (fr) * 1983-09-21 1985-03-22 Veillard Jacques Procede et dispositif de demodulation coherente de porteuse a modulation numerique
EP0033306B1 (fr) * 1980-01-22 1985-08-28 Paul Pierre Delogne Procédé et installation de transmission de signaux de télévision par l'intermédiaire d'un codage numérique de ces signaux

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2389290A1 (fr) * 1977-04-29 1978-11-24 Briand Marcel Dispositif d'emission et de reception par lignes analogiques de signaux visiophoniques et de signaux numeriques
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 (fr) * 1978-10-05 1980-04-16 Thomson-Csf Procédé de transmission d'un signal analogique audiofréquence pendant les intervalles de synchronisation de ligne-trame d'un signal de télévision et dispositif de mise en oeuvre de ce procédé
FR2438401A1 (fr) * 1978-10-05 1980-04-30 Thomson Csf Procede de transmission d'un signal analogique audiofrequence pendant les intervalles de synchronisation de ligne-trame d'un signal de television et dispositif de mise en oeuvre de ce procede
EP0011016A1 (fr) * 1978-10-31 1980-05-14 Thomson-Brandt Système de diffusion de signaux audio-visuels de télévision synchronisés par une fréquence pilote et procédé de mise en oeuvre
FR2440669A1 (fr) * 1978-10-31 1980-05-30 Thomson Brandt Systeme de diffusion de signaux audio-visuels de television synchronises par une frequence pilote et procede de mise en oeuvre
DE2947943A1 (de) * 1978-12-04 1980-06-26 Oak Industries Inc Verfahren und vorrichtung zum codieren und decodieren von videosignalen
FR2443778A1 (fr) * 1978-12-04 1980-07-04 Oak Industries Inc Procede et dispositif de codage et de decodage de signaux video
EP0033306B1 (fr) * 1980-01-22 1985-08-28 Paul Pierre Delogne Procédé et installation de transmission de signaux de télévision par l'intermédiaire d'un codage numérique de ces signaux
FR2524241A1 (fr) * 1982-03-24 1983-09-30 Radiotechnique Circuit de commande du dispositif de decryptage d'un systeme de transmission d'emissions de television cryptees et systeme de transmission d'emissions cryptees comportant un tel circuit
FR2524242A1 (fr) * 1982-03-24 1983-09-30 Radiotechnique Circuit de reconnaissance de cryptage pour systeme de transmission d'emissions de television et systeme de transmission d'emissions cryptees comprenant un tel circuit
FR2552282A1 (fr) * 1983-09-21 1985-03-22 Veillard Jacques Procede et dispositif de demodulation coherente de porteuse a modulation numerique
EP0140753A1 (fr) * 1983-09-21 1985-05-08 Jacques Veillard Procédé et dispositif de démodulation cohérente de porteuse à modulation numérique

Also Published As

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

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Legal Events

Date Code Title Description
ST Notification of lapse