FR598327A - Improvements to illuminated advertising devices - Google Patents

Improvements to illuminated advertising devices

Info

Publication number
FR598327A
FR598327A FR598327DA FR598327A FR 598327 A FR598327 A FR 598327A FR 598327D A FR598327D A FR 598327DA FR 598327 A FR598327 A FR 598327A
Authority
FR
France
Prior art keywords
advertising devices
illuminated advertising
illuminated
devices
advertising
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
French (fr)
Inventor
Walter Robert Booth
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
Application granted granted Critical
Publication of FR598327A publication Critical patent/FR598327A/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
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/12—Signs, boards or panels, illuminated from behind the insignia using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/50—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels
    • G02B30/56—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels by projecting aerial or floating images

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
FR598327D 1924-06-27 1925-05-16 Improvements to illuminated advertising devices Expired FR598327A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB598327X 1924-06-27

Publications (1)

Publication Number Publication Date
FR598327A true FR598327A (en) 1925-12-14

Family

ID=10484492

Family Applications (1)

Application Number Title Priority Date Filing Date
FR598327D Expired FR598327A (en) 1924-06-27 1925-05-16 Improvements to illuminated advertising devices

Country Status (1)

Country Link
FR (1) FR598327A (en)

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