GB299788A - Method or apparatus for rendering displays visible from all sides - Google Patents
Method or apparatus for rendering displays visible from all sidesInfo
- Publication number
- GB299788A GB299788A GB31560/28A GB3156028A GB299788A GB 299788 A GB299788 A GB 299788A GB 31560/28 A GB31560/28 A GB 31560/28A GB 3156028 A GB3156028 A GB 3156028A GB 299788 A GB299788 A GB 299788A
- Authority
- GB
- United Kingdom
- Prior art keywords
- design
- designs
- rotated
- seen
- envelope
- 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
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
Landscapes
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Marketing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
299,788. Wlodarski, F. Oct. 31, 1927, [Convention date]. Cylinders and like elements, rotating; optical apparatus, applications of.-Advertisements &c. 12 on a curved support 11 are viewed through a slot S in an envelope 10 rotating sufficiently fast for the design &c. to be perceived as a whole at any given moment by persistance of vision, although only narrow strips thereof are in fact seen in rapid succession. The design appears to be flat, convex, or concave according to the distance of the view-point A from the device, and is seen equally well from all sides. The envelope 10 may be rotated about an axis within or outside itself, and in the latter easel will, if black, be nearly invisible. Fig. 10 shows a number of designs 27 mounted in a casing 24 rotated about its axis 23. A slot 28 is provided for viewing each design, and one design only at a time is allowed to be seen by an opaque screen 29 having an opening 30 extending for an angle slightly less than that between two adjacent slots 28. The screen 29 is rotated coaxially with the casing 24 at a slightly different speed by means of differential gearing. A stationary transparent cylinder 20 encloses the device. The designs are illuminated by lamps 40 connected with leads by brushes and rings. The designs may be built up of luminous tubes or be phosphorescent.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL299788X | 1927-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB299788A true GB299788A (en) | 1929-06-20 |
Family
ID=19936241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31560/28A Expired GB299788A (en) | 1927-10-31 | 1928-10-30 | Method or apparatus for rendering displays visible from all sides |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB299788A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0208283A1 (en) * | 1985-07-10 | 1987-01-14 | Technolizenz Establishment | Display means for directing an image along an angularly movable axis |
-
1928
- 1928-10-30 GB GB31560/28A patent/GB299788A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0208283A1 (en) * | 1985-07-10 | 1987-01-14 | Technolizenz Establishment | Display means for directing an image along an angularly movable axis |
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