FR688985A - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR688985A
FR688985A FR688985DA FR688985A FR 688985 A FR688985 A FR 688985A FR 688985D A FR688985D A FR 688985DA FR 688985 A FR688985 A FR 688985A
Authority
FR
France
Prior art keywords
discharge tubes
tubes
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR688985A publication Critical patent/FR688985A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/10—Shields, screens, or guides for influencing the discharge
    • H01J61/103—Shields, screens or guides arranged to extend the discharge path
FR688985D 1929-01-28 1930-01-28 Improvements to discharge tubes Expired FR688985A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US335463A US1935423A (en) 1929-01-28 1929-01-28 Electric discharge device

Publications (1)

Publication Number Publication Date
FR688985A true FR688985A (en) 1930-09-01

Family

ID=23311881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR688985D Expired FR688985A (en) 1929-01-28 1930-01-28 Improvements to discharge tubes

Country Status (4)

Country Link
US (1) US1935423A (en)
DE (1) DE496254C (en)
FR (1) FR688985A (en)
GB (1) GB347684A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538062A (en) * 1940-03-22 1951-01-16 Touvet Guy Light communication system
US2427597A (en) * 1941-11-01 1947-09-16 Rca Corp Method of exhausting and cold weld sealing
FR922052A (en) * 1944-12-21 1947-05-28 Gen Electric Co Ltd Advanced discharge electric lamps
BE463380A (en) * 1945-03-21
BE393137A (en) * 1948-10-01
US3258630A (en) * 1962-02-09 1966-06-28 Electric discharge lamps

Also Published As

Publication number Publication date
GB347684A (en) 1931-04-28
DE496254C (en) 1930-04-16
US1935423A (en) 1933-11-14

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