BE620211A - - Google Patents

Info

Publication number
BE620211A
BE620211A BE620211DA BE620211A BE 620211 A BE620211 A BE 620211A BE 620211D A BE620211D A BE 620211DA BE 620211 A BE620211 A BE 620211A
Authority
BE
Belgium
Application number
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.)
Publication of BE620211A publication Critical patent/BE620211A/xx

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
    • H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
    • H04N3/34—Elemental scanning area oscillated rapidly in direction transverse to main scanning direction
    • 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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • 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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • 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)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
BE620211D 1961-08-23 BE620211A (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DET20634A DE1163985B (de) 1961-08-23 1961-08-23 Magnetische Elektronenlinse zur Verminderung der Zeilenstruktur in Fernsehempfaengern
DET21826A DE1147624B (de) 1961-08-23 1962-03-24 Abschaltbare Einrichtung zur Unterdrueckung der Zeilenstruktur in einem Fernsehempfaenger
DET21988A DE1158554B (de) 1961-08-23 1962-04-18 Elektromagnetisches Fokussiersystem zur Unterdrueckung der Zeilenstruktur in einem Fernsehempfaenger

Publications (1)

Publication Number Publication Date
BE620211A true BE620211A (de)

Family

ID=27213075

Family Applications (1)

Application Number Title Priority Date Filing Date
BE620211D BE620211A (de) 1961-08-23

Country Status (4)

Country Link
US (1) US3230415A (de)
BE (1) BE620211A (de)
DE (3) DE1163985B (de)
GB (1) GB1014026A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930181A (en) * 1973-12-28 1975-12-30 Ibm Lens and deflection unit arrangement for electron beam columns
FR2569278B1 (fr) * 1984-08-14 1988-04-08 Thomson Csf Dispositif de transport d'image par cable optique
NL8601512A (nl) * 1986-06-11 1988-01-04 Philips Nv Kathodestraalbuis met magnetische focusseerlens.
EP0551027B1 (de) * 1992-01-10 1997-09-17 THOMSON TUBES & DISPLAYS S.A. Magnetische Fokussierungsvorrichtung
SG92590A1 (en) * 1992-03-27 2002-11-19 Thomson Tubes & Displays Permanent magnet focus unit wihh integral astigmatism corrector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE440890A (de) * 1940-03-09
US2648036A (en) * 1946-03-12 1953-08-04 Us Navy Adjustable focusing coil
BE519060A (de) * 1952-04-10
US2718606A (en) * 1952-08-02 1955-09-20 Gen Electric Combination electromagnet-permanent magnet focusing devices
AT189661B (de) * 1955-12-19 1957-04-25 Nikolaus Eltz Radiotechnische Anordnung zur Linienunterdrückung
US2883569A (en) * 1956-01-24 1959-04-21 Herman F Kaiser Magnetic quadrupole focusing system
DE1793797U (de) * 1957-07-13 1959-08-20 Erso Vertrieb Adrion & Co Vorrichtung zur halterung von leuchten, werkzeugen u. dgl. mittels haftmagnet.

Also Published As

Publication number Publication date
DE1163985B (de) 1964-02-27
GB1014026A (en) 1965-12-22
DE1158554B (de) 1963-12-05
DE1147624B (de) 1963-04-25
US3230415A (en) 1966-01-18

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