FR511559A - Projecteur - Google Patents

Projecteur

Info

Publication number
FR511559A
FR511559A FR511559A FR511559DA FR511559A FR 511559 A FR511559 A FR 511559A FR 511559 A FR511559 A FR 511559A FR 511559D A FR511559D A FR 511559DA FR 511559 A FR511559 A FR 511559A
Authority
FR
France
Prior art keywords
projector
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
FR511559A
Other languages
English (en)
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.)
Siemens AG
Gebrueder Siemens and Co
Original Assignee
Siemens AG
Gebrueder Siemens and Co
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 Siemens AG, Gebrueder Siemens and Co filed Critical Siemens AG
Application granted granted Critical
Publication of FR511559A publication Critical patent/FR511559A/fr
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
    • H05B31/00—Electric arc lamps
    • H05B31/02—Details
    • H05B31/06—Electrodes
    • H05B31/08—Carbon electrodes
    • H05B31/10—Cored carbon electrodes
FR511559A 1917-08-01 1920-03-13 Projecteur Expired FR511559A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE140799X 1917-08-01

Publications (1)

Publication Number Publication Date
FR511559A true FR511559A (fr) 1920-12-29

Family

ID=5668382

Family Applications (1)

Application Number Title Priority Date Filing Date
FR511559A Expired FR511559A (fr) 1917-08-01 1920-03-13 Projecteur

Country Status (3)

Country Link
AT (1) AT88543B (de)
FR (1) FR511559A (de)
GB (1) GB140799A (de)

Also Published As

Publication number Publication date
GB140799A (en) 1920-11-11
AT88543B (de) 1922-05-26

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