FR1119003A - Image projection device - Google Patents

Image projection device

Info

Publication number: FR1119003A
Authority: FR; France
Prior art keywords: projection device; image projection; image; projection
Prior art date: 1954-02-11
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

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1954-02-11

Filing date

1955-02-09

Publication date

1956-06-14

1955-02-09 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1956-06-14 Application granted granted Critical

1956-06-14 Publication of FR1119003A publication Critical patent/FR1119003A/en

Status Expired legal-status Critical Current

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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)

FR1119003D 1954-02-11 1955-02-09 Image projection device Expired FR1119003A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL1119003X		1954-02-11

Publications (1)

Publication Number	Publication Date
FR1119003A true FR1119003A (en)	1956-06-14

Family

ID=19869594

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1119003D Expired FR1119003A (en)	1954-02-11	1955-02-09	Image projection device

Country Status (1)

Country	Link
FR (1)	FR1119003A (en)

1955
- 1955-02-09 FR FR1119003D patent/FR1119003A/en not_active Expired

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