FR751660A - Perfectionnements apportés aux stéréoscopes pliants - Google Patents
Perfectionnements apportés aux stéréoscopes pliantsInfo
- Publication number
- FR751660A FR751660A FR751660DA FR751660A FR 751660 A FR751660 A FR 751660A FR 751660D A FR751660D A FR 751660DA FR 751660 A FR751660 A FR 751660A
- Authority
- FR
- France
- Prior art keywords
- stereoscopes
- folding
- folding stereoscopes
- 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
- 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. three-dimensional [3D] slide viewers
- G02B30/37—Collapsible stereoscopes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR751660T | 1933-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR751660A true FR751660A (fr) | 1933-09-07 |
Family
ID=9155765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR751660D Expired FR751660A (fr) | 1933-02-28 | 1933-02-28 | Perfectionnements apportés aux stéréoscopes pliants |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR751660A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2943409A (en) * | 1957-07-05 | 1960-07-05 | G M Lab Inc | Slide viewer |
-
1933
- 1933-02-28 FR FR751660D patent/FR751660A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2943409A (en) * | 1957-07-05 | 1960-07-05 | G M Lab Inc | Slide viewer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR771566A (fr) | Perfectionnements aux radiogoniomètres | |
| FR777970A (fr) | Amélioration aux paragrêles | |
| FR44378E (fr) | Perfectionnements aux boîtes pliantes | |
| FR763548A (fr) | Perfectionnements aux boîtes pliantes | |
| FR43545E (fr) | Perfectionnements aux concasseurs | |
| FR778725A (fr) | Perfectionnements aux robinets | |
| FR761034A (fr) | Perfectionnements aux robinets | |
| FR756803A (fr) | Perfectionnements apportés aux parachutes | |
| FR784565A (fr) | Perfectionnements aux vitrines pliantes | |
| FR782040A (fr) | Perfectionnements aux machines électrostatiques | |
| FR773477A (fr) | Perfectionnements aux économiseurs | |
| FR43789E (fr) | Perfectionnements aux robinets | |
| FR754422A (fr) | Perfectionnements aux boîtes pliantes | |
| FR768833A (fr) | Perfectionnements apportés aux boîtes pliantes | |
| FR772363A (fr) | Perfectionnements aux boîtes pliantes | |
| FR758109A (fr) | Perfectionnements aux corsets-gaines | |
| FR761354A (fr) | Perfectionnements aux suspensoirs | |
| FR776682A (fr) | Perfectionnements aux tri-porteurs | |
| FR759001A (fr) | Perfectionnements apportés aux sièges pliants | |
| FR751194A (fr) | Perfectionnements aux mécanismes de démarrage | |
| FR765589A (fr) | Perfectionnement apporté aux vélocimanes | |
| FR766818A (fr) | Perfectionnements apportés aux rubans | |
| FR758913A (fr) | Perfectionnements aux faucheuses | |
| FR770192A (fr) | Perfectionnements aux chaudières | |
| FR786716A (fr) | Perfectionnements aux chaudières aquatubulaires |