FR665991A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR665991A
FR665991A FR665991DA FR665991A FR 665991 A FR665991 A FR 665991A FR 665991D A FR665991D A FR 665991DA FR 665991 A FR665991 A FR 665991A
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
Priority claimed from GB685728A external-priority patent/GB308879A/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR665991A publication Critical patent/FR665991A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
FR665991D 1928-02-11 1928-12-17 Electric discharge tube Expired FR665991A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1882671X 1928-02-11
GB685728A GB308879A (en) 1928-03-05 1928-03-05 Improvements in or relating to electric discharge tubes

Publications (1)

Publication Number Publication Date
FR665991A true FR665991A (en) 1929-09-25

Family

ID=26240989

Family Applications (1)

Application Number Title Priority Date Filing Date
FR665991D Expired FR665991A (en) 1928-02-11 1928-12-17 Electric discharge tube

Country Status (2)

Country Link
US (1) US1882671A (en)
FR (1) FR665991A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2820169A (en) * 1955-03-14 1958-01-14 Rca Corp Combination beam plate and outer shield

Also Published As

Publication number Publication date
US1882671A (en) 1932-10-18

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