GB1109003A - Optical projection apparatus - Google Patents

Optical projection apparatus

Info

Publication number
GB1109003A
GB1109003A GB2587065A GB2587065A GB1109003A GB 1109003 A GB1109003 A GB 1109003A GB 2587065 A GB2587065 A GB 2587065A GB 2587065 A GB2587065 A GB 2587065A GB 1109003 A GB1109003 A GB 1109003A
Authority
GB
United Kingdom
Prior art keywords
projection apparatus
optical projection
cabinet
microfilm
optical
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
GB2587065A
Inventor
Brian John Odell
Alfred James Wheatley
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB2587065A priority Critical patent/GB1109003A/en
Publication of GB1109003A publication Critical patent/GB1109003A/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)
  • Projection-Type Copiers In General (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)

Abstract

1,109,003. Optical-projection apparatus. STANDARD TELEPHONES & CABLES Ltd. June 18, 1965, No.25870/65. Heading G2J. A blank part of a microfilm card extends from a slide carrier of a cabinet-type viewer, having an integral back-projection screen to allow it to be annotated while the microfilm is viewed. Stacks of cards may be rested on supports at the front of the cabinet.
GB2587065A 1965-06-18 1965-06-18 Optical projection apparatus Expired GB1109003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2587065A GB1109003A (en) 1965-06-18 1965-06-18 Optical projection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2587065A GB1109003A (en) 1965-06-18 1965-06-18 Optical projection apparatus

Publications (1)

Publication Number Publication Date
GB1109003A true GB1109003A (en) 1968-04-10

Family

ID=10234713

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2587065A Expired GB1109003A (en) 1965-06-18 1965-06-18 Optical projection apparatus

Country Status (1)

Country Link
GB (1) GB1109003A (en)

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