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FR927610A - Magnetic focusing device for cathode ray tubes - Google Patents

Magnetic focusing device for cathode ray tubes

Info

Publication number
FR927610A
FR927610A FR927610DA FR927610A FR 927610 A FR927610 A FR 927610A FR 927610D A FR927610D A FR 927610DA FR 927610 A FR927610 A FR 927610A
Authority
FR
France
Prior art keywords
cathode ray
ray tubes
focusing device
magnetic focusing
magnetic
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
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR927610A publication Critical patent/FR927610A/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)
  • Details Of Television Scanning (AREA)
FR927610D 1939-07-28 1946-06-03 Magnetic focusing device for cathode ray tubes Expired FR927610A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB927610X 1939-07-28

Publications (1)

Publication Number Publication Date
FR927610A true FR927610A (en) 1947-11-04

Family

ID=10727992

Family Applications (1)

Application Number Title Priority Date Filing Date
FR927610D Expired FR927610A (en) 1939-07-28 1946-06-03 Magnetic focusing device for cathode ray tubes

Country Status (2)

Country Link
DE (1) DE944964C (en)
FR (1) FR927610A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1077251B (en) * 1958-03-07 1960-03-10 Grundig Max Circuit arrangement with a television receiving tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE551703C (en) * 1926-12-16 1932-06-03 Lurgi Appbau Ges M B H Device for smoothing the pulsations of a direct current generated from an alternating voltage by means of rectifier tubes
DE743753C (en) * 1936-08-13 1944-06-08 Opta Radio Ag Process for eliminating the blurring of the image point that occurs during the electrostatic deflection of the cathode ray

Also Published As

Publication number Publication date
DE944964C (en) 1956-06-28

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