GB1290892A - - Google Patents
Info
- Publication number
- GB1290892A GB1290892A GB1290892DA GB1290892A GB 1290892 A GB1290892 A GB 1290892A GB 1290892D A GB1290892D A GB 1290892DA GB 1290892 A GB1290892 A GB 1290892A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mirror
- projector
- chair
- dec
- images
- 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
- 238000005286 illumination Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 230000011514 reflex Effects 0.000 abstract 1
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
- G03B35/18—Stereoscopic photography by simultaneous viewing
- G03B35/20—Stereoscopic photography by simultaneous viewing using two or more projectors
-
- 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
- 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
- G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1968114706U JPS4724425Y1 (en:Method) | 1968-12-30 | 1968-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1290892A true GB1290892A (en:Method) | 1972-09-27 |
Family
ID=14644568
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2175872A Expired GB1291810A (en) | 1968-12-30 | 1969-12-15 | Improvements in and relating to optical projection apparatus |
| GB1290892D Expired GB1290892A (en:Method) | 1968-12-30 | 1969-12-15 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2175872A Expired GB1291810A (en) | 1968-12-30 | 1969-12-15 | Improvements in and relating to optical projection apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS4724425Y1 (en:Method) |
| FR (1) | FR2027379A1 (en:Method) |
| GB (2) | GB1291810A (en:Method) |
-
1968
- 1968-12-30 JP JP1968114706U patent/JPS4724425Y1/ja not_active Expired
-
1969
- 1969-12-15 GB GB2175872A patent/GB1291810A/en not_active Expired
- 1969-12-15 GB GB1290892D patent/GB1290892A/en not_active Expired
- 1969-12-30 FR FR6945433A patent/FR2027379A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1291810A (en) | 1972-10-04 |
| FR2027379A1 (en:Method) | 1970-09-25 |
| DE1964787B2 (de) | 1972-10-12 |
| JPS4724425Y1 (en:Method) | 1972-08-02 |
| DE1964787A1 (de) | 1970-07-16 |
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| GB1290892A (en:Method) | ||
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| SU141753A1 (ru) | Способ автоматического контрол за положением кадра на экране панорамного кино | |
| GB745836A (en) | Improvements in and relating to motion pictures | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |