DE2150125A1 - Oszillatorvorrichtung zur Abtastung des Bildschirms eines Fernsehtelefons - Google Patents

Oszillatorvorrichtung zur Abtastung des Bildschirms eines Fernsehtelefons

Info

Publication number
DE2150125A1
DE2150125A1 DE19712150125 DE2150125A DE2150125A1 DE 2150125 A1 DE2150125 A1 DE 2150125A1 DE 19712150125 DE19712150125 DE 19712150125 DE 2150125 A DE2150125 A DE 2150125A DE 2150125 A1 DE2150125 A1 DE 2150125A1
Authority
DE
Germany
Prior art keywords
output
input
univibrator
gate
inverter
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.)
Pending
Application number
DE19712150125
Other languages
German (de)
English (en)
Inventor
Claude Anjubeau
Roger Bireloze
Pierre Jacquemin
Pierre Serres-Cambot
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT SA
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 Alcatel CIT SA filed Critical Alcatel CIT SA
Publication of DE2150125A1 publication Critical patent/DE2150125A1/de
Pending legal-status Critical Current

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE19712150125 1970-10-14 1971-10-07 Oszillatorvorrichtung zur Abtastung des Bildschirms eines Fernsehtelefons Pending DE2150125A1 (de)

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
DE2150125A1 true DE2150125A1 (de) 1972-04-20

Family

ID=9062747

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712150125 Pending DE2150125A1 (de) 1970-10-14 1971-10-07 Oszillatorvorrichtung zur Abtastung des Bildschirms eines Fernsehtelefons

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3306939A1 (de) * 1983-02-28 1984-08-30 Siemens AG, 1000 Berlin und 8000 München Astabiler multivibrator

Families Citing this family (1)

* 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3306939A1 (de) * 1983-02-28 1984-08-30 Siemens AG, 1000 Berlin und 8000 München Astabiler multivibrator

Also Published As

Publication number Publication date
BE773398A (fr) 1972-04-04
FR2109381A5 (fr) 1972-05-26
NL7113491A (fr) 1972-04-18
GB1345758A (en) 1974-02-06

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