FR1016853A - Appareil de projection, en particulier pour microdiapositifs documentaires - Google Patents

Appareil de projection, en particulier pour microdiapositifs documentaires

Info

Publication number
FR1016853A
FR1016853A FR1016853DA FR1016853A FR 1016853 A FR1016853 A FR 1016853A FR 1016853D A FR1016853D A FR 1016853DA FR 1016853 A FR1016853 A FR 1016853A
Authority
FR
France
Prior art keywords
documentary
slides
micro
projection apparatus
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
English (en)
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.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1016853A publication Critical patent/FR1016853A/fr
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)
FR1016853D 1949-05-02 1950-04-28 Appareil de projection, en particulier pour microdiapositifs documentaires Expired FR1016853A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1016853X 1949-05-02

Publications (1)

Publication Number Publication Date
FR1016853A true FR1016853A (fr) 1952-11-25

Family

ID=19867038

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1016853D Expired FR1016853A (fr) 1949-05-02 1950-04-28 Appareil de projection, en particulier pour microdiapositifs documentaires

Country Status (1)

Country Link
FR (1) FR1016853A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092064A (en) * 1975-06-25 1978-05-30 Realist, Inc. Projectors
US4358184A (en) * 1981-02-24 1982-11-09 Topper Manufacturing Corporation Compact collapsible microform viewer
US4618232A (en) * 1984-12-21 1986-10-21 Bell & Howell Company Desk top microform reader

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092064A (en) * 1975-06-25 1978-05-30 Realist, Inc. Projectors
US4358184A (en) * 1981-02-24 1982-11-09 Topper Manufacturing Corporation Compact collapsible microform viewer
US4618232A (en) * 1984-12-21 1986-10-21 Bell & Howell Company Desk top microform reader

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