GB809251A - Luminous advertising and signposting device - Google Patents
Luminous advertising and signposting deviceInfo
- Publication number
- GB809251A GB809251A GB15931/55A GB1593155A GB809251A GB 809251 A GB809251 A GB 809251A GB 15931/55 A GB15931/55 A GB 15931/55A GB 1593155 A GB1593155 A GB 1593155A GB 809251 A GB809251 A GB 809251A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stencil
- panel
- lamellae
- signposting
- light
- 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
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
- G09F13/06—Signs, boards or panels, illuminated from behind the insignia using individual cut-out symbols or cut-out silhouettes, e.g. perforated signs
-
- 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
- G09F13/14—Arrangements of reflectors therein
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
809,251. Signs. GAWROUSKI, A. June 3. 1955 [Sept. 21, 1954], No. 15931/55. Class 3(2) A display device comprises a stencil 1 made of wood, mill board or metal and carrying lamellae 2 of fluorescent plastic material in the shape of lettering or the like. The stencil is backed by a parabolic reflector 3 and is permanently or intermittently illuminated by a lamp 4 or by a prism reflecting natural light. The lamellae may be transparent or transluscent and coloured, if so desired, cellulose acetate rendered fluorescent by the absorption of a bromine, iodine or sodium being preferred. The ratio of the length h of the material extending towards the light route from the reverse side of the panel to the distance d between the rear of the panel and the light source is between 0.20 and 0.25.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR809251X | 1954-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB809251A true GB809251A (en) | 1959-02-18 |
Family
ID=9253428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB15931/55A Expired GB809251A (en) | 1954-09-21 | 1955-06-03 | Luminous advertising and signposting device |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB809251A (en) |
-
1955
- 1955-06-03 GB GB15931/55A patent/GB809251A/en not_active Expired
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