GB1264654A - - Google Patents

Info

Publication number
GB1264654A
GB1264654A GB1264654DA GB1264654A GB 1264654 A GB1264654 A GB 1264654A GB 1264654D A GB1264654D A GB 1264654DA GB 1264654 A GB1264654 A GB 1264654A
Authority
GB
United Kingdom
Prior art keywords
reflector
march
screen
light sources
illuminated
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
Other languages
English (en)
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 filed Critical
Publication of GB1264654A publication Critical patent/GB1264654A/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

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
GB1264654D 1969-03-10 1969-03-10 Expired GB1264654A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1261369 1969-03-10

Publications (1)

Publication Number Publication Date
GB1264654A true GB1264654A (fr) 1972-02-23

Family

ID=10007890

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1264654D Expired GB1264654A (fr) 1969-03-10 1969-03-10

Country Status (1)

Country Link
GB (1) GB1264654A (fr)

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Legal Events

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