FR1557607A - - Google Patents
Info
- Publication number
- FR1557607A FR1557607A FR12021A FR1557607DA FR1557607A FR 1557607 A FR1557607 A FR 1557607A FR 12021 A FR12021 A FR 12021A FR 1557607D A FR1557607D A FR 1557607DA FR 1557607 A FR1557607 A FR 1557607A
- Authority
- FR
- France
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR12021 | 1965-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1557607A true FR1557607A (fr) | 1969-02-21 |
Family
ID=8575689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR12021A Expired FR1557607A (fr) | 1965-04-06 | 1965-04-06 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE678834A (fr) |
CH (1) | CH449875A (fr) |
FR (1) | FR1557607A (fr) |
-
1965
- 1965-04-06 FR FR12021A patent/FR1557607A/fr not_active Expired
-
1966
- 1966-03-31 CH CH465866A patent/CH449875A/fr unknown
- 1966-04-01 BE BE678834D patent/BE678834A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CH449875A (fr) | 1968-01-15 |
BE678834A (fr) | 1966-10-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |