FR2524185A1 - Dispositif de protection de la commande de balayage horizontal d'un ecran de visualisation - Google Patents

Dispositif de protection de la commande de balayage horizontal d'un ecran de visualisation Download PDF

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Publication number
FR2524185A1
FR2524185A1 FR8205243A FR8205243A FR2524185A1 FR 2524185 A1 FR2524185 A1 FR 2524185A1 FR 8205243 A FR8205243 A FR 8205243A FR 8205243 A FR8205243 A FR 8205243A FR 2524185 A1 FR2524185 A1 FR 2524185A1
Authority
FR
France
Prior art keywords
signal
transistor
voltage
base
circuit
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.)
Granted
Application number
FR8205243A
Other languages
English (en)
French (fr)
Other versions
FR2524185B1 (enExample
Inventor
Michel Facon
Robert Julien
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.)
Thales SA
ALE International SAS
Original Assignee
Thomson CSF Telephone SA
Le Materiel Telephonique Thomson CSF
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 Thomson CSF Telephone SA, Le Materiel Telephonique Thomson CSF filed Critical Thomson CSF Telephone SA
Priority to FR8205243A priority Critical patent/FR2524185A1/fr
Priority to DE8383400535T priority patent/DE3363252D1/de
Priority to EP83400535A priority patent/EP0091333B1/fr
Priority to US06/477,731 priority patent/US4484112A/en
Publication of FR2524185A1 publication Critical patent/FR2524185A1/fr
Application granted granted Critical
Publication of FR2524185B1 publication Critical patent/FR2524185B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning
    • 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
    • H03K4/085—Protection of sawtooth generators

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
FR8205243A 1982-03-26 1982-03-26 Dispositif de protection de la commande de balayage horizontal d'un ecran de visualisation Granted FR2524185A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8205243A FR2524185A1 (fr) 1982-03-26 1982-03-26 Dispositif de protection de la commande de balayage horizontal d'un ecran de visualisation
DE8383400535T DE3363252D1 (en) 1982-03-26 1983-03-15 Device for protecting the horizontal sweep control of a display
EP83400535A EP0091333B1 (fr) 1982-03-26 1983-03-15 Dispositif de protection de la commande de balayage horizontal d'un écran de visualisation
US06/477,731 US4484112A (en) 1982-03-26 1983-03-22 Protection device for the horizontal scanning control of a display screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8205243A FR2524185A1 (fr) 1982-03-26 1982-03-26 Dispositif de protection de la commande de balayage horizontal d'un ecran de visualisation

Publications (2)

Publication Number Publication Date
FR2524185A1 true FR2524185A1 (fr) 1983-09-30
FR2524185B1 FR2524185B1 (enExample) 1984-05-04

Family

ID=9272451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8205243A Granted FR2524185A1 (fr) 1982-03-26 1982-03-26 Dispositif de protection de la commande de balayage horizontal d'un ecran de visualisation

Country Status (4)

Country Link
US (1) US4484112A (enExample)
EP (1) EP0091333B1 (enExample)
DE (1) DE3363252D1 (enExample)
FR (1) FR2524185A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3705615A1 (de) * 1987-02-21 1988-09-01 Thomson Brandt Gmbh Zeilenablenkschaltung fuer verschiedene zeilenfrequenzen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2057907A1 (de) * 1970-11-25 1972-06-08 Licentia Gmbh Schutzschaltung fuer ein Geraet der Nachrichtentechnik,insbesondere einen Fernsehempfaenger
FR2132022A1 (enExample) * 1971-04-02 1972-11-17 Blaupunkt Werke Gmbh
FR2317793A1 (fr) * 1975-07-08 1977-02-04 Int Standard Electric Corp Circuit d'alimentation pour televiseurs
GB2007453A (en) * 1977-11-07 1979-05-16 Rca Corp Regulator with short circuit protection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2057907A1 (de) * 1970-11-25 1972-06-08 Licentia Gmbh Schutzschaltung fuer ein Geraet der Nachrichtentechnik,insbesondere einen Fernsehempfaenger
FR2132022A1 (enExample) * 1971-04-02 1972-11-17 Blaupunkt Werke Gmbh
FR2317793A1 (fr) * 1975-07-08 1977-02-04 Int Standard Electric Corp Circuit d'alimentation pour televiseurs
GB2007453A (en) * 1977-11-07 1979-05-16 Rca Corp Regulator with short circuit protection

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FUNKSCHAU, vol.51, no.16, août 1979, M}nchen (DE) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3705615A1 (de) * 1987-02-21 1988-09-01 Thomson Brandt Gmbh Zeilenablenkschaltung fuer verschiedene zeilenfrequenzen

Also Published As

Publication number Publication date
EP0091333A1 (fr) 1983-10-12
DE3363252D1 (en) 1986-06-05
EP0091333B1 (fr) 1986-04-30
FR2524185B1 (enExample) 1984-05-04
US4484112A (en) 1984-11-20

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Legal Events

Date Code Title Description
ST Notification of lapse