GB833346A - An optical system for use with an ordinary film projector for projecting pictures with a relief effect - Google Patents
An optical system for use with an ordinary film projector for projecting pictures with a relief effectInfo
- Publication number
- GB833346A GB833346A GB5332/56A GB533256A GB833346A GB 833346 A GB833346 A GB 833346A GB 5332/56 A GB5332/56 A GB 5332/56A GB 533256 A GB533256 A GB 533256A GB 833346 A GB833346 A GB 833346A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relief effect
- prisms
- film
- gate
- filters
- 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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Projection Apparatus (AREA)
Abstract
833,346. Optical-projection apparatus. MATAGNE, A. F. Feb. 21, 1956 [Feb. 24. 1955; June 29, 1955]. No. 5332/56. Class 97(1) An optical system for use with an ordinary film projector to produce a relief effect produces two laterally displaced images of the whole film gate using differently filtered light beams, whereby, when the images are viewed through spectacles containing appropriate filters, a relief effect is obtained. The form shown comprises a tube 4 which may be attached to the objective mount and to which is secured a box 3 containing prisms 1, 2 each receiving half of the projection beam. The prisms are pivoted and may be adjusted by a pivoted screw 12 against springs 13, 14. The emergent beams are polarized by filters 5, 6 with planes of polarization at right angles. The device may be used rotated at 45 degrees about the optical axis on a projector with a double height gate for projecting a film taken in a camera with horizontal film fed in a double length gate. Another embodiment comprises a tubular mount including two deviating prisms of small angle covering the two halves of the field and two semi-circular polarizing filters, with planes of polarization at right angles, in a separate rotatable mount. Specification 5949/39 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE833346X | 1955-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB833346A true GB833346A (en) | 1960-04-21 |
Family
ID=3881786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5332/56A Expired GB833346A (en) | 1955-02-24 | 1956-02-21 | An optical system for use with an ordinary film projector for projecting pictures with a relief effect |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB833346A (en) |
-
1956
- 1956-02-21 GB GB5332/56A patent/GB833346A/en not_active Expired
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