BE773398A - Dispositif oscillateur de balayage d'ecran cathodique de visiophone - Google Patents

Dispositif oscillateur de balayage d'ecran cathodique de visiophone

Info

Publication number
BE773398A
BE773398A BE773398A BE773398A BE773398A BE 773398 A BE773398 A BE 773398A BE 773398 A BE773398 A BE 773398A BE 773398 A BE773398 A BE 773398A BE 773398 A BE773398 A BE 773398A
Authority
BE
Belgium
Prior art keywords
visiophone
oscillator
cathodic screen
cathodic
screen oscillator
Prior art date
Application number
BE773398A
Other languages
English (en)
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of BE773398A publication Critical patent/BE773398A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
    • H04N5/123—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal directly commands a frequency generator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/64—Generators producing trains of pulses, i.e. finite sequences of pulses
    • H03K3/66—Generators producing trains of pulses, i.e. finite sequences of pulses by interrupting the output of a generator
    • H03K3/70—Generators producing trains of pulses, i.e. finite sequences of pulses by interrupting the output of a generator time intervals between all adjacent pulses of one train being equal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/90—Linearisation of ramp; Synchronisation of pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE773398A 1970-10-14 1971-10-01 Dispositif oscillateur de balayage d'ecran cathodique de visiophone BE773398A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7037162A FR2109381A5 (fr) 1970-10-14 1970-10-14

Publications (1)

Publication Number Publication Date
BE773398A true BE773398A (fr) 1972-04-04

Family

ID=9062747

Family Applications (1)

Application Number Title Priority Date Filing Date
BE773398A BE773398A (fr) 1970-10-14 1971-10-01 Dispositif oscillateur de balayage d'ecran cathodique de visiophone

Country Status (5)

Country Link
BE (1) BE773398A (fr)
DE (1) DE2150125A1 (fr)
FR (1) FR2109381A5 (fr)
GB (1) GB1345758A (fr)
NL (1) NL7113491A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039385A3 (fr) * 1980-02-08 1981-12-02 FALCONI COSTRUZIONI IMPIANTI S.p.A. Transmission de signaux vidéo et autres ainsi que d'un message de retour par un seul câble non blindé à deux fils
DE3306939A1 (de) * 1983-02-28 1984-08-30 Siemens AG, 1000 Berlin und 8000 München Astabiler multivibrator

Also Published As

Publication number Publication date
GB1345758A (en) 1974-02-06
DE2150125A1 (de) 1972-04-20
FR2109381A5 (fr) 1972-05-26
NL7113491A (fr) 1972-04-18

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