FR867546A - Improvements to thermal switches - Google Patents

Improvements to thermal switches

Info

Publication number
FR867546A
FR867546A FR867546DA FR867546A FR 867546 A FR867546 A FR 867546A FR 867546D A FR867546D A FR 867546DA FR 867546 A FR867546 A FR 867546A
Authority
FR
France
Prior art keywords
thermal switches
switches
thermal
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 FR867546A publication Critical patent/FR867546A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/06—Starting switches thermal only
    • H05B41/08—Starting switches thermal only heated by glow discharge
FR867546D 1939-08-12 1940-10-22 Improvements to thermal switches Expired FR867546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US867546XA 1939-08-12 1939-08-12

Publications (1)

Publication Number Publication Date
FR867546A true FR867546A (en) 1941-11-10

Family

ID=22200689

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867546D Expired FR867546A (en) 1939-08-12 1940-10-22 Improvements to thermal switches

Country Status (1)

Country Link
FR (1) FR867546A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1109266B (en) * 1958-08-19 1961-06-22 Thorn Electrical Ind Ltd Smoldering device for discharge lamps and process for its manufacture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1109266B (en) * 1958-08-19 1961-06-22 Thorn Electrical Ind Ltd Smoldering device for discharge lamps and process for its manufacture

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