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CH381886A - Device to observe projections of photographic images by transparency, particularly suitable for photogrammetric applications - Google Patents

Device to observe projections of photographic images by transparency, particularly suitable for photogrammetric applications

Info

Publication number
CH381886A
CH381886A CH310462A CH310462A CH381886A CH 381886 A CH381886 A CH 381886A CH 310462 A CH310462 A CH 310462A CH 310462 A CH310462 A CH 310462A CH 381886 A CH381886 A CH 381886A
Authority
CH
Switzerland
Prior art keywords
transparency
observe
projections
particularly suitable
photographic images
Prior art date
Application number
CH310462A
Other languages
Italian (it)
Inventor
Parenti Gino Dott
Original Assignee
Omi Ottico Mecc Italiana
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 Omi Ottico Mecc Italiana filed Critical Omi Ottico Mecc Italiana
Publication of CH381886A publication Critical patent/CH381886A/en

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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Eye Examination Apparatus (AREA)
CH310462A 1961-03-22 1962-03-15 Device to observe projections of photographic images by transparency, particularly suitable for photogrammetric applications CH381886A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT501861 1961-03-22

Publications (1)

Publication Number Publication Date
CH381886A true CH381886A (en) 1964-09-15

Family

ID=11116986

Family Applications (1)

Application Number Title Priority Date Filing Date
CH310462A CH381886A (en) 1961-03-22 1962-03-15 Device to observe projections of photographic images by transparency, particularly suitable for photogrammetric applications

Country Status (2)

Country Link
US (1) US3186299A (en)
CH (1) CH381886A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3473862A (en) * 1967-03-06 1969-10-21 Singer General Precision Optical screen orbital movement system
US3610728A (en) * 1969-04-07 1971-10-05 Eastman Kodak Co Screen orbiting mechanism
JPS55146439A (en) * 1979-05-02 1980-11-14 Fuji Photo Film Co Ltd Vibration type projecting screen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1969909A (en) * 1931-08-19 1934-08-14 Luther G Simjian Motion picture moving screen
US2525596A (en) * 1949-01-21 1950-10-10 Jones & Lamson Mach Co Optical projection screen
US2780136A (en) * 1952-03-10 1957-02-05 Richard T Erban Kinoptic devices

Also Published As

Publication number Publication date
US3186299A (en) 1965-06-01

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