GB1186246A - Improvements in or relating to Film Display Devices. - Google Patents

Improvements in or relating to Film Display Devices.

Info

Publication number
GB1186246A
GB1186246A GB5393767A GB5393767A GB1186246A GB 1186246 A GB1186246 A GB 1186246A GB 5393767 A GB5393767 A GB 5393767A GB 5393767 A GB5393767 A GB 5393767A GB 1186246 A GB1186246 A GB 1186246A
Authority
GB
United Kingdom
Prior art keywords
panel
cabinet
mirror
projection
projector
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
GB5393767A
Inventor
George Powell
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB5393767A priority Critical patent/GB1186246A/en
Publication of GB1186246A publication Critical patent/GB1186246A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
    • 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
    • G03B21/14—Details
    • G03B21/30—Details adapted to collapse or fold, e.g. for portability

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Projection Apparatus (AREA)

Abstract

1,186,246. Optical projection advertising. G. POWELL. 18 Nov., 1968 [27 Nov., 1967], No. 53937/67. Heading G5C. [Also in Division G2] A cabinet with a back-projection screen 3 is provided with a pivoted carrier 11 for an optical projector (not shown) coupled by means 12, 13 to a rear panel 8 which supports a mirror 10. In use the projector extends partly out of the back of the cabinet (for ventilation purposes), projection being via the mirror; when not in use, panel 8 (which is hinged) is closed, thus causing the projector to be tucked away in the cabinet. As described there are three mirrors 9, 16 and 10, and the projection beam is reflected off them in that order. Mirror 16 is supported by a panel 17 which swings up against the front panel 2 when back panel 8 is closed shut. The film used is a closed loop.
GB5393767A 1967-11-27 1967-11-27 Improvements in or relating to Film Display Devices. Expired GB1186246A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5393767A GB1186246A (en) 1967-11-27 1967-11-27 Improvements in or relating to Film Display Devices.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5393767A GB1186246A (en) 1967-11-27 1967-11-27 Improvements in or relating to Film Display Devices.

Publications (1)

Publication Number Publication Date
GB1186246A true GB1186246A (en) 1970-04-02

Family

ID=10469455

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5393767A Expired GB1186246A (en) 1967-11-27 1967-11-27 Improvements in or relating to Film Display Devices.

Country Status (1)

Country Link
GB (1) GB1186246A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3951518A (en) * 1973-11-08 1976-04-20 Ricoh Co., Ltd. Projector and projection screen assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3951518A (en) * 1973-11-08 1976-04-20 Ricoh Co., Ltd. Projector and projection screen assembly

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees