FR849625A - Electronic discharge devices - Google Patents

Electronic discharge devices

Info

Publication number
FR849625A
FR849625A FR849625DA FR849625A FR 849625 A FR849625 A FR 849625A FR 849625D A FR849625D A FR 849625DA FR 849625 A FR849625 A FR 849625A
Authority
FR
France
Prior art keywords
discharge devices
electronic discharge
electronic
devices
discharge
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR849625A publication Critical patent/FR849625A/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
    • H01J29/485—Construction of the gun or of parts thereof
FR849625D 1938-03-11 1939-01-30 Electronic discharge devices Expired FR849625A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB764838A GB513640A (en) 1938-03-11 1938-03-11 Electron discharge devices particularly cathode ray tubes

Publications (1)

Publication Number Publication Date
FR849625A true FR849625A (en) 1939-11-28

Family

ID=9837126

Family Applications (1)

Application Number Title Priority Date Filing Date
FR849625D Expired FR849625A (en) 1938-03-11 1939-01-30 Electronic discharge devices

Country Status (3)

Country Link
FR (1) FR849625A (en)
GB (1) GB513640A (en)
NL (1) NL66322C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2717325A (en) * 1952-04-08 1955-09-06 Int Standard Electric Corp Indirectly heated cathode, for cathode ray tubes in particular

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436264A (en) * 1945-06-14 1948-02-17 Kreisler Mfg Corp Jacques Electron gun for cathode-ray tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2717325A (en) * 1952-04-08 1955-09-06 Int Standard Electric Corp Indirectly heated cathode, for cathode ray tubes in particular

Also Published As

Publication number Publication date
GB513640A (en) 1939-10-18
NL66322C (en)

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