GB397376A - Improvements in illuminated signs - Google Patents
Improvements in illuminated signsInfo
- Publication number
- GB397376A GB397376A GB1934/33A GB193433A GB397376A GB 397376 A GB397376 A GB 397376A GB 1934/33 A GB1934/33 A GB 1934/33A GB 193433 A GB193433 A GB 193433A GB 397376 A GB397376 A GB 397376A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plate
- foundation
- signs
- jan
- lamp
- 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
- G09F13/26—Signs formed by electric discharge tubes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Road Signs Or Road Markings (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
397,376. Signs. GENERAL ELECTRIC CO., Ltd., Kingsway, London.-(Assignees of Patent-Treuhand-Ges. f³r Elektrische Gl³hlampen; 11, Ehrenbergstrasse, Berlin.) Jan. 20, 1933, No. 1934. Convention date, Jan. 21, 1932. [Class 3 (ii).] In signs comprising a plate of transparent material on which is formed or supported a non- luminous display, one or more electric discharge lamps being arranged adjacent an edge or edges of the sign, the lamp d is a tube located so that its longitudinal axis lies in front of the front surface of the transparent plate b. The display may be on a sheet p of paper, canvas, &c. clamped by a bolt o between the plate b and a dark insulating foundation c, or may be on the foundation c, or painted &c. on the back of the plate b, with a dark foundation. In this case the paint may be a coloured cement, such as Canada balsam, having a refractive index approximating that of the plate b, and the colour may be the same as, or complementary to, that of the lamp d.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE397376X | 1932-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB397376A true GB397376A (en) | 1933-08-24 |
Family
ID=6397197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1934/33A Expired GB397376A (en) | 1932-01-21 | 1933-01-20 | Improvements in illuminated signs |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB397376A (en) |
-
1933
- 1933-01-20 GB GB1934/33A patent/GB397376A/en not_active Expired
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