FR512122A - Lampe de projecteur - Google Patents

Lampe de projecteur

Info

Publication number
FR512122A
FR512122A FR512122DA FR512122A FR 512122 A FR512122 A FR 512122A FR 512122D A FR512122D A FR 512122DA FR 512122 A FR512122 A FR 512122A
Authority
FR
France
Prior art keywords
projector lamp
projector
lamp
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
English (en)
French (fr)
Inventor
Robert Bosch
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of FR512122A publication Critical patent/FR512122A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H01K1/325—Reflecting coating
FR512122D 1915-02-19 1915-12-14 Lampe de projecteur Expired FR512122A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE298082T 1915-02-19

Publications (1)

Publication Number Publication Date
FR512122A true FR512122A (fr) 1921-01-15

Family

ID=32605129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR512122D Expired FR512122A (fr) 1915-02-19 1915-12-14 Lampe de projecteur

Country Status (3)

Country Link
DE (1) DE298082C (enrdf_load_stackoverflow)
FR (1) FR512122A (enrdf_load_stackoverflow)
GB (1) GB191517542A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB191517542A (en) 1916-04-06
DE298082C (enrdf_load_stackoverflow) 1919-06-10

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