FR853849A - Removable support device for lamps for projection devices - Google Patents

Removable support device for lamps for projection devices

Info

Publication number
FR853849A
FR853849A FR853849DA FR853849A FR 853849 A FR853849 A FR 853849A FR 853849D A FR853849D A FR 853849DA FR 853849 A FR853849 A FR 853849A
Authority
FR
France
Prior art keywords
lamps
support device
projection devices
removable support
removable
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.)
Societe des Telephones Ericsson SA
Original Assignee
Societe des Telephones Ericsson SA
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 Societe des Telephones Ericsson SA filed Critical Societe des Telephones Ericsson SA
Application granted granted Critical
Publication of FR853849A publication Critical patent/FR853849A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2046—Positional adjustment of light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR853849D 1938-11-17 1938-11-17 Removable support device for lamps for projection devices Expired FR853849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR853849T 1938-11-17

Publications (1)

Publication Number Publication Date
FR853849A true FR853849A (en) 1940-03-29

Family

ID=9327293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR853849D Expired FR853849A (en) 1938-11-17 1938-11-17 Removable support device for lamps for projection devices

Country Status (1)

Country Link
FR (1) FR853849A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476671A (en) * 1945-09-28 1949-07-19 Gen Electric Electric projection lamp
US3555266A (en) * 1968-05-03 1971-01-12 Dixon Automatic Tool Facsimile transmitter and method of assembling the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476671A (en) * 1945-09-28 1949-07-19 Gen Electric Electric projection lamp
US3555266A (en) * 1968-05-03 1971-01-12 Dixon Automatic Tool Facsimile transmitter and method of assembling the same

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