FR818639A - Device for compensating the deviation produced by a constant field in cathode ray tubes and particularly in the case of television - Google Patents

Device for compensating the deviation produced by a constant field in cathode ray tubes and particularly in the case of television

Info

Publication number
FR818639A
FR818639A FR818639DA FR818639A FR 818639 A FR818639 A FR 818639A FR 818639D A FR818639D A FR 818639DA FR 818639 A FR818639 A FR 818639A
Authority
FR
France
Prior art keywords
compensating
television
case
cathode ray
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 FR818639A publication Critical patent/FR818639A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/02—Details of the magnetic circuit characterised by the magnetic material
    • 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
    • H01J29/54—Arrangements for centring ray or beam
    • 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)
  • Power Engineering (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
FR818639D 1936-03-03 1937-03-02 Device for compensating the deviation produced by a constant field in cathode ray tubes and particularly in the case of television Expired FR818639A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET0046533 1936-03-03

Publications (1)

Publication Number Publication Date
FR818639A true FR818639A (en) 1937-09-30

Family

ID=7562353

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818639D Expired FR818639A (en) 1936-03-03 1937-03-02 Device for compensating the deviation produced by a constant field in cathode ray tubes and particularly in the case of television

Country Status (3)

Country Link
US (1) US2195470A (en)
FR (1) FR818639A (en)
NL (1) NL48160C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974968C (en) * 1951-04-23 1961-06-15 Philips Nv Device for generating an additional magnetic field in an electron beam tube
DE977535C (en) * 1950-11-01 1967-01-12 Philips Nv Electron beam tube with two deflection coil systems, which are surrounded by a jacket made of ferromagnetic material

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440735A (en) * 1943-06-05 1948-05-04 Farnsworth Res Corp Electrooptical device
US2552341A (en) * 1949-02-03 1951-05-08 Clarostat Mfg Co Inc Magnetic structure for use in ion-traps
GB670021A (en) * 1949-02-18 1952-04-09 Patrick Richard James Court Improvements in beam centering devices for cathode ray tubes
US2562395A (en) * 1949-02-23 1951-07-31 Motorola Inc Anastigmatic deflection yoke
US2602902A (en) * 1950-02-14 1952-07-08 Bendix Aviat Corp Sweep amplitude control for magnetically deflected cathode-ray tubes
US3098943A (en) * 1957-09-18 1963-07-23 Zenith Radio Corp Cathode ray permanent magnet beam positioner
US3045140A (en) * 1959-12-31 1962-07-17 Gen Electric High resolution electron discharge device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977535C (en) * 1950-11-01 1967-01-12 Philips Nv Electron beam tube with two deflection coil systems, which are surrounded by a jacket made of ferromagnetic material
DE974968C (en) * 1951-04-23 1961-06-15 Philips Nv Device for generating an additional magnetic field in an electron beam tube

Also Published As

Publication number Publication date
US2195470A (en) 1940-04-02
NL48160C (en)

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