FR855828A - Improvements to deflector coils of cathode-ray tubes, in particular for the transmission of images and television - Google Patents

Improvements to deflector coils of cathode-ray tubes, in particular for the transmission of images and television

Info

Publication number
FR855828A
FR855828A FR855828DA FR855828A FR 855828 A FR855828 A FR 855828A FR 855828D A FR855828D A FR 855828DA FR 855828 A FR855828 A FR 855828A
Authority
FR
France
Prior art keywords
television
cathode
images
transmission
ray tubes
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR855828A publication Critical patent/FR855828A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/78—Arrangements for deflecting ray or beam along a circle, spiral or rotating radial line, e.g. for radar display
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/76—Deflecting by magnetic fields only

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Details Of Television Scanning (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
FR855828D 1938-06-12 1939-06-07 Improvements to deflector coils of cathode-ray tubes, in particular for the transmission of images and television Expired FR855828A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET50518D DE720472C (en) 1938-06-12 1938-06-12 Coil arrangement for the magnetic deflection of the electron beam of a cathode ray tube

Publications (1)

Publication Number Publication Date
FR855828A true FR855828A (en) 1940-05-21

Family

ID=6554548

Family Applications (2)

Application Number Title Priority Date Filing Date
FR855828D Expired FR855828A (en) 1938-06-12 1939-06-07 Improvements to deflector coils of cathode-ray tubes, in particular for the transmission of images and television
FR52771D Expired FR52771E (en) 1938-06-12 1943-02-26

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR52771D Expired FR52771E (en) 1938-06-12 1943-02-26

Country Status (4)

Country Link
CH (1) CH234241A (en)
DE (1) DE720472C (en)
FR (2) FR855828A (en)
GB (1) GB530523A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976695C (en) * 1943-09-08 1964-03-05 Philips Nv Deflection coil arrangement for cathode ray tubes
DE923805C (en) * 1951-04-28 1955-02-21 Telefunken Gmbh Arrangement for magnetic beam deflection in cathode ray tubes
NL85830C (en) * 1954-05-05

Also Published As

Publication number Publication date
GB530523A (en) 1940-12-13
DE720472C (en) 1942-05-07
FR52771E (en) 1945-06-01
CH234241A (en) 1944-09-15

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