FR802995A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR802995A
FR802995A FR802995DA FR802995A FR 802995 A FR802995 A FR 802995A FR 802995D A FR802995D A FR 802995DA FR 802995 A FR802995 A FR 802995A
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 FR802995A publication Critical patent/FR802995A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/26—Magazine arrangements
    • H01H85/28—Magazine arrangements effecting automatic replacement
    • 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
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
FR802995D 1935-03-22 1936-03-05 Electric discharge tube Expired FR802995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL802995X 1935-03-22

Publications (1)

Publication Number Publication Date
FR802995A true FR802995A (en) 1936-09-19

Family

ID=19836461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802995D Expired FR802995A (en) 1935-03-22 1936-03-05 Electric discharge tube

Country Status (2)

Country Link
BE (1) BE414453A (en)
FR (1) FR802995A (en)

Also Published As

Publication number Publication date
BE414453A (en)

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