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FR1060345A - Projection device - Google Patents

Projection device

Info

Publication number
FR1060345A
FR1060345A FR1060345DA FR1060345A FR 1060345 A FR1060345 A FR 1060345A FR 1060345D A FR1060345D A FR 1060345DA FR 1060345 A FR1060345 A FR 1060345A
Authority
FR
France
Prior art keywords
projection device
projection
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.)
Nl Document Reproductie N V
Original Assignee
Nl Document Reproductie N V
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 Nl Document Reproductie N V filed Critical Nl Document Reproductie N V
Application granted granted Critical
Publication of FR1060345A publication Critical patent/FR1060345A/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
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1060345D 1951-07-19 1952-07-17 Projection device Expired FR1060345A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1060345XA 1951-07-19 1951-07-19

Publications (1)

Publication Number Publication Date
FR1060345A true FR1060345A (en) 1954-04-01

Family

ID=22309113

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1060345D Expired FR1060345A (en) 1951-07-19 1952-07-17 Projection device

Country Status (1)

Country Link
FR (1) FR1060345A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720464A (en) * 1970-02-20 1973-03-13 Eastman Kodak Co Microfilm reader

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720464A (en) * 1970-02-20 1973-03-13 Eastman Kodak Co Microfilm reader

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