GB382072A - Improvements in display devices - Google Patents
Improvements in display devicesInfo
- Publication number
- GB382072A GB382072A GB2994631A GB2994631A GB382072A GB 382072 A GB382072 A GB 382072A GB 2994631 A GB2994631 A GB 2994631A GB 2994631 A GB2994631 A GB 2994631A GB 382072 A GB382072 A GB 382072A
- Authority
- GB
- United Kingdom
- Prior art keywords
- disc
- harrison
- display devices
- rotated
- colour
- 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)
- Knitting Machines (AREA)
Abstract
382,072. Changing displays. HARRISON, W. P. and HARRISON PATENT KNITTING MACHINE CO., Ltd., 48, Upper Brook Street, Manchester. Oct. 29, 1931, No. 29946. [Class 3 (i).] In colour display apparatus in which a beam of light is passed in succession through colour filters in an intermittently rotated disc to illuminate a distant object, the disc G is rotated by a motor A through worm reduction gear B, a shaft c, and Geneva stop motion C, D. The lamp is enclosed in a housing K and the disc G in a casing H.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2994631A GB382072A (en) | 1931-10-29 | 1931-10-29 | Improvements in display devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2994631A GB382072A (en) | 1931-10-29 | 1931-10-29 | Improvements in display devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB382072A true GB382072A (en) | 1932-10-20 |
Family
ID=10299763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2994631A Expired GB382072A (en) | 1931-10-29 | 1931-10-29 | Improvements in display devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB382072A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2660926A (en) * | 1950-04-13 | 1953-12-01 | Maurice I Talley | Plural filter support and actuating mechanism |
-
1931
- 1931-10-29 GB GB2994631A patent/GB382072A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2660926A (en) * | 1950-04-13 | 1953-12-01 | Maurice I Talley | Plural filter support and actuating mechanism |
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