FR830049A - Secondary emission cathode for cathode ray tube - Google Patents

Secondary emission cathode for cathode ray tube

Info

Publication number
FR830049A
FR830049A FR830049DA FR830049A FR 830049 A FR830049 A FR 830049A FR 830049D A FR830049D A FR 830049DA FR 830049 A FR830049 A FR 830049A
Authority
FR
France
Prior art keywords
cathode
ray tube
secondary emission
cathode ray
emission 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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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 Fernseh GmbH filed Critical Fernseh GmbH
Application granted granted Critical
Publication of FR830049A publication Critical patent/FR830049A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • H01J29/482Electron guns using electron multiplication
FR830049D 1936-11-27 1937-11-27 Secondary emission cathode for cathode ray tube Expired FR830049A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE830049X 1936-11-27

Publications (1)

Publication Number Publication Date
FR830049A true FR830049A (en) 1938-07-19

Family

ID=6748816

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830049D Expired FR830049A (en) 1936-11-27 1937-11-27 Secondary emission cathode for cathode ray tube

Country Status (1)

Country Link
FR (1) FR830049A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049641A (en) * 1959-05-08 1962-08-14 Gen Electric High transconductance cathode ray tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049641A (en) * 1959-05-08 1962-08-14 Gen Electric High transconductance cathode ray tube

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