GB941978A - Improvements in or relating to electron guns for producing two electron beams controllable independently of each other - Google Patents

Improvements in or relating to electron guns for producing two electron beams controllable independently of each other

Info

Publication number
GB941978A
GB941978A GB23641/60A GB2364160A GB941978A GB 941978 A GB941978 A GB 941978A GB 23641/60 A GB23641/60 A GB 23641/60A GB 2364160 A GB2364160 A GB 2364160A GB 941978 A GB941978 A GB 941978A
Authority
GB
United Kingdom
Prior art keywords
electron
relating
producing
controllable independently
guns
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
GB23641/60A
Other languages
English (en)
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB941978A publication Critical patent/GB941978A/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
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/50—Plurality of guns or beams
    • H01J2229/507—Multi-beam groups, e.g. number of beams greater than number of cathodes

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Glass Compositions (AREA)
GB23641/60A 1959-07-09 1960-07-06 Improvements in or relating to electron guns for producing two electron beams controllable independently of each other Expired GB941978A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL241133 1959-07-09

Publications (1)

Publication Number Publication Date
GB941978A true GB941978A (en) 1963-11-20

Family

ID=19751821

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23641/60A Expired GB941978A (en) 1959-07-09 1960-07-06 Improvements in or relating to electron guns for producing two electron beams controllable independently of each other

Country Status (4)

Country Link
US (1) US3121181A (enrdf_load_stackoverflow)
FR (1) FR1262264A (enrdf_load_stackoverflow)
GB (1) GB941978A (enrdf_load_stackoverflow)
NL (1) NL241133A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1789136A1 (de) * 1967-01-14 1973-07-05 Sony Corp Kathodenstrahlroehre

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852608A (en) * 1971-03-22 1974-12-03 Philips Corp Cathode-ray tube having an astigmatic lens element in its electron gun
DE2210160C3 (de) * 1972-03-02 1975-04-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektronenstrahlerzeugersystem für Laufzeitröhren
US4349767A (en) * 1977-01-17 1982-09-14 Sony Corporation Cathode ray tube resistance of ruthenium oxide and glass containing alumina powder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2556824A (en) * 1946-03-28 1951-06-12 Rca Corp Cathode-ray tube
US2852716A (en) * 1954-07-14 1958-09-16 Gen Electric Cathode ray tube and electron gun therefor
US2712087A (en) * 1954-10-19 1955-06-28 Plural beam electron discharge devices
US2891183A (en) * 1954-12-17 1959-06-16 Philco Corp Precision dual-beam cathode-ray tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1789136A1 (de) * 1967-01-14 1973-07-05 Sony Corp Kathodenstrahlroehre

Also Published As

Publication number Publication date
NL241133A (enrdf_load_stackoverflow)
US3121181A (en) 1964-02-11
FR1262264A (fr) 1961-05-26

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