FR790290A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR790290A
FR790290A FR790290DA FR790290A FR 790290 A FR790290 A FR 790290A FR 790290D A FR790290D A FR 790290DA FR 790290 A FR790290 A FR 790290A
Authority
FR
France
Prior art keywords
electric discharge
discharge tube
tube
electric
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.)
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 FR790290A publication Critical patent/FR790290A/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
    • H01J29/70Arrangements for deflecting ray or beam
    • H01J29/72Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/76Deflecting by magnetic fields only
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00Cathode ray tubes; Electron beam tubes
    • H01J31/02Cathode 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
    • H01J31/04Cathode 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
FR790290D 1934-05-22 1935-05-20 Electric discharge tube Expired FR790290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP2079D DE1079221B (en) 1934-05-22 1934-05-22 Discharge tubes for amplifying and exciting electrical oscillations with deflection means and with a device for bundling the electrons emerging from the cathode

Publications (1)

Publication Number Publication Date
FR790290A true FR790290A (en) 1935-11-16

Family

ID=7357716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR790290D Expired FR790290A (en) 1934-05-22 1935-05-20 Electric discharge tube

Country Status (4)

Country Link
BE (1) BE409531A (en)
DE (1) DE1079221B (en)
FR (1) FR790290A (en)
GB (1) GB447440A (en)

Also Published As

Publication number Publication date
GB447440A (en) 1936-05-19
BE409531A (en)
DE1079221B (en) 1960-04-07

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