FR723374A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR723374A
FR723374A FR723374DA FR723374A FR 723374 A FR723374 A FR 723374A FR 723374D A FR723374D A FR 723374DA FR 723374 A FR723374 A FR 723374A
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 FR723374A publication Critical patent/FR723374A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
FR723374D 1930-09-27 1931-09-25 Electric discharge tube Expired FR723374A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL366883X 1930-09-27

Publications (1)

Publication Number Publication Date
FR723374A true FR723374A (en) 1932-04-07

Family

ID=19785493

Family Applications (1)

Application Number Title Priority Date Filing Date
FR723374D Expired FR723374A (en) 1930-09-27 1931-09-25 Electric discharge tube

Country Status (3)

Country Link
BE (1) BE382864A (en)
FR (1) FR723374A (en)
GB (1) GB366883A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB569198A (en) * 1943-07-29 1945-05-11 Hans Rudolf Levy Improvements in or relating to electric lamps
US2490740A (en) * 1946-09-06 1949-12-06 Rca Corp Image tube
US2915663A (en) * 1952-02-25 1959-12-01 Oran T Mcilvaine Electronic tube regeneration

Also Published As

Publication number Publication date
BE382864A (en)
GB366883A (en) 1932-02-11

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