FR1238146A - Improvement in focusing devices for television receivers - Google Patents

Improvement in focusing devices for television receivers

Info

Publication number
FR1238146A
FR1238146A FR808134A FR808134A FR1238146A FR 1238146 A FR1238146 A FR 1238146A FR 808134 A FR808134 A FR 808134A FR 808134 A FR808134 A FR 808134A FR 1238146 A FR1238146 A FR 1238146A
Authority
FR
France
Prior art keywords
improvement
television receivers
focusing devices
focusing
devices
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
FR808134A
Other languages
French (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.)
Television Grammont S A
Original Assignee
Television Grammont S A
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 Television Grammont S A filed Critical Television Grammont S A
Priority to FR808134A priority Critical patent/FR1238146A/en
Application granted granted Critical
Publication of FR1238146A publication Critical patent/FR1238146A/en
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
    • H04N3/26—Modifications of scanning arrangements to improve focusing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR808134A 1959-10-22 1959-10-22 Improvement in focusing devices for television receivers Expired FR1238146A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR808134A FR1238146A (en) 1959-10-22 1959-10-22 Improvement in focusing devices for television receivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR808134A FR1238146A (en) 1959-10-22 1959-10-22 Improvement in focusing devices for television receivers

Publications (1)

Publication Number Publication Date
FR1238146A true FR1238146A (en) 1960-08-05

Family

ID=8720411

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808134A Expired FR1238146A (en) 1959-10-22 1959-10-22 Improvement in focusing devices for television receivers

Country Status (1)

Country Link
FR (1) FR1238146A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1273566B (en) * 1966-07-09 1968-07-25 Telefunken Patent Circuit for television sets to correct distortions of the raster written on the fluorescent screen of a cathode ray tube
DE1273567B (en) * 1966-08-06 1968-07-25 Telefunken Patent Circuit for television sets to correct distortions of the raster written on the fluorescent screen of a cathode ray tube
DE1294447B (en) * 1967-08-24 1969-05-08 Zentrallaboratorium Rundfunk Circuit for generating horizontal convergence currents for a multi-beam picture tube

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1273566B (en) * 1966-07-09 1968-07-25 Telefunken Patent Circuit for television sets to correct distortions of the raster written on the fluorescent screen of a cathode ray tube
DE1273567B (en) * 1966-08-06 1968-07-25 Telefunken Patent Circuit for television sets to correct distortions of the raster written on the fluorescent screen of a cathode ray tube
DE1294447B (en) * 1967-08-24 1969-05-08 Zentrallaboratorium Rundfunk Circuit for generating horizontal convergence currents for a multi-beam picture tube

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