FR608226A - Lighting device for projection apparatus - Google Patents

Lighting device for projection apparatus

Info

Publication number
FR608226A
FR608226A FR608226DA FR608226A FR 608226 A FR608226 A FR 608226A FR 608226D A FR608226D A FR 608226DA FR 608226 A FR608226 A FR 608226A
Authority
FR
France
Prior art keywords
lighting device
projection apparatus
projection
lighting
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)
Inventor
Alphonse Bourdereau
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 filed Critical
Application granted granted Critical
Publication of FR608226A publication Critical patent/FR608226A/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
    • G03B21/16—Cooling; Preventing overheating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR608226D 1925-11-06 1925-11-06 Lighting device for projection apparatus Expired FR608226A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR608226T 1925-11-06

Publications (1)

Publication Number Publication Date
FR608226A true FR608226A (en) 1926-07-23

Family

ID=8975926

Family Applications (1)

Application Number Title Priority Date Filing Date
FR608226D Expired FR608226A (en) 1925-11-06 1925-11-06 Lighting device for projection apparatus

Country Status (1)

Country Link
FR (1) FR608226A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3031922A (en) * 1957-08-01 1962-05-01 Stadler George Direct color enlarging apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3031922A (en) * 1957-08-01 1962-05-01 Stadler George Direct color enlarging apparatus

Similar Documents

Publication Publication Date Title
FR608226A (en) Lighting device for projection apparatus
FR647887A (en) Lighting device for vehicles
FR708180A (en) Projection apparatus device
FR609666A (en) Ventilation device for lighting devices
FR31133E (en) Lighting device for cinematographic projections
FR618861A (en) Suspension device for lighting devices
FR583904A (en) Projection device for divided materials
FR630250A (en) Suspension device for lighting devices
FR576352A (en) Fixing device for illuminations sockets
FR588820A (en) Cinematographic projector device
FR623587A (en) Device for projecting images
FR595864A (en) Device for lighting exhibits
FR601066A (en) Imaging device for projection equipment
FR589769A (en) New lighting device
FR697642A (en) Device for projecting moving pictures
FR600050A (en) Lighting device, mainly for shop window lighting
FR598280A (en) Lighting device
FR622990A (en) Incandescent lighting device for projection apparatus
FR629626A (en) Lighting device for cycles
FR678427A (en) Lighting device for cinematographic projectors
FR588977A (en) Device for projecting separate images
FR583958A (en) Device for scenic exhibitions
FR35427E (en) Lighting device for vehicles
FR592927A (en) Winding device for cinematographic projection devices
FR601948A (en) Device for fixing sub-roofs