FR879105A - Improvements made to electric discharge tubes - Google Patents

Improvements made to electric discharge tubes

Info

Publication number
FR879105A
FR879105A FR879105DA FR879105A FR 879105 A FR879105 A FR 879105A FR 879105D A FR879105D A FR 879105DA FR 879105 A FR879105 A FR 879105A
Authority
FR
France
Prior art keywords
electric discharge
improvements made
discharge tubes
tubes
electric
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR879105A publication Critical patent/FR879105A/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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/60—Mirrors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/02—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
    • H01J31/04—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused with only one or two output electrodes with only two electrically independant groups or electrodes
FR879105D 1942-02-06 1942-02-06 Improvements made to electric discharge tubes Expired FR879105A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB161942A GB560490A (en) 1942-02-06 1942-02-06 Improvements in or relating to electric discharge tubes

Publications (1)

Publication Number Publication Date
FR879105A true FR879105A (en) 1943-02-15

Family

ID=9725073

Family Applications (1)

Application Number Title Priority Date Filing Date
FR879105D Expired FR879105A (en) 1942-02-06 1942-02-06 Improvements made to electric discharge tubes

Country Status (2)

Country Link
FR (1) FR879105A (en)
GB (1) GB560490A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2653993A (en) * 1948-04-29 1953-09-29 Rca Corp Simultaneous color television optical system
GB1007590A (en) * 1962-04-09 1965-10-13 Norwich Pharma Co Lower alkyl esters of 6,7-di(lower)alkoxy-4-hydroxy-3-quinolinecarboxylic acid

Also Published As

Publication number Publication date
GB560490A (en) 1944-04-06

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