FR837817A - Improvements to cathode ray tube circuits - Google Patents

Improvements to cathode ray tube circuits

Info

Publication number
FR837817A
FR837817A FR837817DA FR837817A FR 837817 A FR837817 A FR 837817A FR 837817D A FR837817D A FR 837817DA FR 837817 A FR837817 A FR 837817A
Authority
FR
France
Prior art keywords
ray tube
cathode ray
tube circuits
circuits
cathode
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR837817A publication Critical patent/FR837817A/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)
  • X-Ray Techniques (AREA)
FR837817D 1937-05-11 1938-05-11 Improvements to cathode ray tube circuits Expired FR837817A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1339037A GB495385A (en) 1937-05-11 1937-05-11 Improvements relating to the magnetic focussing of cathode ray tubes

Publications (1)

Publication Number Publication Date
FR837817A true FR837817A (en) 1939-02-21

Family

ID=10022088

Family Applications (3)

Application Number Title Priority Date Filing Date
FR837817D Expired FR837817A (en) 1937-05-11 1938-05-11 Improvements to cathode ray tube circuits
FR54202D Expired FR54202E (en) 1937-05-11 1945-06-15 Improvements to cathode ray tube circuits
FR54239D Expired FR54239E (en) 1937-05-11 1945-10-29 Improvements to cathode ray tube circuits

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR54202D Expired FR54202E (en) 1937-05-11 1945-06-15 Improvements to cathode ray tube circuits
FR54239D Expired FR54239E (en) 1937-05-11 1945-10-29 Improvements to cathode ray tube circuits

Country Status (2)

Country Link
FR (3) FR837817A (en)
GB (1) GB495385A (en)

Also Published As

Publication number Publication date
GB495385A (en) 1938-11-11
FR54239E (en) 1948-06-25
FR54202E (en) 1948-06-25

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