GB1271418A - Multiple projection method - Google Patents

Multiple projection method

Info

Publication number
GB1271418A
GB1271418A GB4087369D GB4087369D GB1271418A GB 1271418 A GB1271418 A GB 1271418A GB 4087369 D GB4087369 D GB 4087369D GB 4087369 D GB4087369 D GB 4087369D GB 1271418 A GB1271418 A GB 1271418A
Authority
GB
United Kingdom
Prior art keywords
screen
projectors
projection
aug
images
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
GB4087369D
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of GB1271418A publication Critical patent/GB1271418A/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

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)
  • Overhead Projectors And Projection Screens (AREA)

Abstract

1,271,418. Projection apparatus; screens. FUJI PHOTO FILM CO. Ltd. Aug. 15, 1969 [Aug. 23, 1968], No.40873/69. Heading G2A. Images A and B are projected in superposition on a screen 10 by obliquely directed projectors 20, 30, the screen having a strongly directional reflectivity such that the images A or B may be viewed separately from different positions determined by the angles of projection. The projection beams are directed slightly downwards from above the observers, and depending on the screen surface, more than two projectors may be used. In another embodiment, the projectors are angularly separated in a vertical plane for high and low level viewing. Aluminium foil is rolled to produce a screen with the necessary surface.
GB4087369D 1968-08-23 1969-08-15 Multiple projection method Expired GB1271418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6039068 1968-08-23

Publications (1)

Publication Number Publication Date
GB1271418A true GB1271418A (en) 1972-04-19

Family

ID=13140757

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4087369D Expired GB1271418A (en) 1968-08-23 1969-08-15 Multiple projection method

Country Status (3)

Country Link
DE (1) DE1942874A1 (en)
FR (1) FR2016246A1 (en)
GB (1) GB1271418A (en)

Also Published As

Publication number Publication date
FR2016246A1 (en) 1970-05-08
DE1942874A1 (en) 1970-03-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee