GB327576A - Improvements in advertising or like signs - Google Patents
Improvements in advertising or like signsInfo
- Publication number
- GB327576A GB327576A GB1094429A GB1094429A GB327576A GB 327576 A GB327576 A GB 327576A GB 1094429 A GB1094429 A GB 1094429A GB 1094429 A GB1094429 A GB 1094429A GB 327576 A GB327576 A GB 327576A
- Authority
- GB
- United Kingdom
- Prior art keywords
- legend
- faces
- entering
- signs
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
327,576. Gade, F. G. April 9, 1929. Signs; name and number plates.-In a sign of the type wherein a legend is cut or scratched on the rear face D of a plate of glass adapted to be illuminated through the edge, the two faces of the cut make different angles with the face D, so that light c entering from one side will undergo total internal reflection at the faces B, thus illuminating the legend, while light d entering from the other side will be refracted through the faces c and will not reach the observer. The legend is preferably formed of a series of parallel, equidistant linear cuts at right-angles to the direction of illumination. More than one pictorial representation may be thus formed on a single sheet of glass, or may be formed on separate superimposed sheets.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1094429A GB327576A (en) | 1929-04-09 | 1929-04-09 | Improvements in advertising or like signs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1094429A GB327576A (en) | 1929-04-09 | 1929-04-09 | Improvements in advertising or like signs |
Publications (1)
Publication Number | Publication Date |
---|---|
GB327576A true GB327576A (en) | 1930-04-10 |
Family
ID=9977165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1094429A Expired GB327576A (en) | 1929-04-09 | 1929-04-09 | Improvements in advertising or like signs |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB327576A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2560392A (en) * | 1944-06-05 | 1951-07-10 | Latrobe Pierre Michel Louis | Variably illumined plate |
-
1929
- 1929-04-09 GB GB1094429A patent/GB327576A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2560392A (en) * | 1944-06-05 | 1951-07-10 | Latrobe Pierre Michel Louis | Variably illumined plate |
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