FR779566A - Dispositif de sécurité pour tubes de télévision - Google Patents

Dispositif de sécurité pour tubes de télévision

Info

Publication number
FR779566A
FR779566A FR779566DA FR779566A FR 779566 A FR779566 A FR 779566A FR 779566D A FR779566D A FR 779566DA FR 779566 A FR779566 A FR 779566A
Authority
FR
France
Prior art keywords
safety device
television tubes
television
tubes
safety
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.)
Expired
Application number
Other languages
English (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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR779566A publication Critical patent/FR779566A/fr
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
FR779566D 1933-10-11 1934-10-11 Dispositif de sécurité pour tubes de télévision Expired FR779566A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE446171X 1933-10-11

Publications (1)

Publication Number Publication Date
FR779566A true FR779566A (fr) 1935-04-09

Family

ID=6537843

Family Applications (1)

Application Number Title Priority Date Filing Date
FR779566D Expired FR779566A (fr) 1933-10-11 1934-10-11 Dispositif de sécurité pour tubes de télévision

Country Status (4)

Country Link
US (1) US2083205A (fr)
BE (1) BE405609A (fr)
FR (1) FR779566A (fr)
GB (1) GB446171A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267321A (en) * 1962-03-28 1966-08-16 Sylvania Electric Prod Electron discharge device having cathode protective means within the envelope
US3553522A (en) * 1968-10-30 1971-01-05 Westinghouse Electric Corp Electronic image device with protective circuit
US3921078A (en) * 1971-04-20 1975-11-18 Jeol Ltd Breakdown protection for field emission electron gun
US3810025A (en) * 1971-04-20 1974-05-07 Jeol Ltd Field emission type electron gun

Also Published As

Publication number Publication date
GB446171A (en) 1936-04-14
BE405609A (fr)
US2083205A (en) 1937-06-08

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