GB1130781A - Micro-film viewing machine - Google Patents

Micro-film viewing machine

Info

Publication number
GB1130781A
GB1130781A GB23733/66A GB2373366A GB1130781A GB 1130781 A GB1130781 A GB 1130781A GB 23733/66 A GB23733/66 A GB 23733/66A GB 2373366 A GB2373366 A GB 2373366A GB 1130781 A GB1130781 A GB 1130781A
Authority
GB
United Kingdom
Prior art keywords
micro
mirrors
viewing machine
film viewing
image
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
GB23733/66A
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.)
PHOTRONIX Inc
Original Assignee
PHOTRONIX Inc
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 PHOTRONIX Inc filed Critical PHOTRONIX Inc
Publication of GB1130781A publication Critical patent/GB1130781A/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
    • 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
    • G03B21/111—Projectors with built-in or built-on screen for microfilm reading of roll films

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)
GB23733/66A 1965-08-31 1966-05-26 Micro-film viewing machine Expired GB1130781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US483950A US3381574A (en) 1965-08-31 1965-08-31 Apparatus for displaying a projected microfilm image of a drawing

Publications (1)

Publication Number Publication Date
GB1130781A true GB1130781A (en) 1968-10-16

Family

ID=23922149

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23733/66A Expired GB1130781A (en) 1965-08-31 1966-05-26 Micro-film viewing machine

Country Status (3)

Country Link
US (1) US3381574A (enExample)
BE (1) BE727093A (enExample)
GB (1) GB1130781A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3507571A (en) * 1967-04-03 1970-04-21 Walter F White Audio-visual apparatus
US3741624A (en) * 1971-08-04 1973-06-26 C Kuntz Projector device for drawing
US4136938A (en) * 1977-08-16 1979-01-30 Mcgraw-Hill, Inc. Optical projection apparatus
US4842402A (en) * 1986-04-30 1989-06-27 Mcgraw-Hill, Inc. Projection and viewing apparatus
US4991956A (en) * 1989-03-02 1991-02-12 Griffin Stephen L Apparatus for facilitating correlation with a transparency image
US5302790A (en) * 1992-03-16 1994-04-12 Golden Valley Microwave Foods Inc. Microwave popcorn popping bag

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2265992A (en) * 1938-11-02 1941-12-16 Morris B Beck Projector
US2281988A (en) * 1940-05-21 1942-05-05 Spencer Lens Co Ventilating device for projection apparatus
US2543561A (en) * 1949-01-27 1951-02-27 Tracy Madison Harold Method of and apparatus for displaying a projected image of a drawing
US2659267A (en) * 1950-10-07 1953-11-17 Hall & Mcchesney Inc Roll film viewer
US3169442A (en) * 1962-06-21 1965-02-16 Hoppmann Corp Apparatus for plural image projection
US3225650A (en) * 1963-06-07 1965-12-28 Wright Arthur Reginald Apparatus for screening films, slides and the like in adverse light conditions
US3269264A (en) * 1964-05-28 1966-08-30 United States Steel Corp Apparatus for exhibiting couplingthread contour

Also Published As

Publication number Publication date
US3381574A (en) 1968-05-07
BE727093A (enExample) 1969-07-01

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