FR901705A - Appareil d'observation ou de projection - Google Patents

Appareil d'observation ou de projection

Info

Publication number
FR901705A
FR901705A FR901705DA FR901705A FR 901705 A FR901705 A FR 901705A FR 901705D A FR901705D A FR 901705DA FR 901705 A FR901705 A FR 901705A
Authority
FR
France
Prior art keywords
observation
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
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR901705A publication Critical patent/FR901705A/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
    • G03B21/115—Projectors with built-in or built-on screen for microfilm reading of microfiches

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR901705D 1943-01-11 1944-02-01 Appareil d'observation ou de projection Expired FR901705A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE901705X 1943-01-11

Publications (1)

Publication Number Publication Date
FR901705A true FR901705A (fr) 1945-08-03

Family

ID=6860384

Family Applications (1)

Application Number Title Priority Date Filing Date
FR901705D Expired FR901705A (fr) 1943-01-11 1944-02-01 Appareil d'observation ou de projection

Country Status (1)

Country Link
FR (1) FR901705A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1810959B1 (de) * 1968-11-26 1970-08-27 Kodak Ag Mikrofilm-Lesegeraet fuer Mikrofilm-Lochkarten oder Microfiches
US3809468A (en) * 1970-12-24 1974-05-07 Microform Data Syst Inc Film strip reader
US4650303A (en) * 1983-07-04 1987-03-17 Bohdan Drwiega Projection apparatus for photographic transparencies and a device apparatus for storing transparencies to be projected with the apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1810959B1 (de) * 1968-11-26 1970-08-27 Kodak Ag Mikrofilm-Lesegeraet fuer Mikrofilm-Lochkarten oder Microfiches
US3809468A (en) * 1970-12-24 1974-05-07 Microform Data Syst Inc Film strip reader
US4650303A (en) * 1983-07-04 1987-03-17 Bohdan Drwiega Projection apparatus for photographic transparencies and a device apparatus for storing transparencies to be projected with the apparatus

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