JPS4724425Y1 - - Google Patents
Info
- Publication number
- JPS4724425Y1 JPS4724425Y1 JP11470668U JP11470668U JPS4724425Y1 JP S4724425 Y1 JPS4724425 Y1 JP S4724425Y1 JP 11470668 U JP11470668 U JP 11470668U JP 11470668 U JP11470668 U JP 11470668U JP S4724425 Y1 JPS4724425 Y1 JP S4724425Y1
- Authority
- JP
- Japan
- 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
- G03B35/18—Stereoscopic photography by simultaneous viewing
- G03B35/20—Stereoscopic photography by simultaneous viewing using two or more projectors
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- 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
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11470668U JPS4724425Y1 (ja) | 1968-12-30 | 1968-12-30 | |
| GB2175872A GB1291810A (en) | 1968-12-30 | 1969-12-15 | Improvements in and relating to optical projection apparatus |
| GB1290892D GB1290892A (ja) | 1968-12-30 | 1969-12-15 | |
| DE19691964787 DE1964787C (de) | 1968-12-30 | 1969-12-24 | Projektionsgerät zur Aufprojektion auf eine Reflexwand |
| FR6945433A FR2027379A1 (ja) | 1968-12-30 | 1969-12-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11470668U JPS4724425Y1 (ja) | 1968-12-30 | 1968-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4724425Y1 true JPS4724425Y1 (ja) | 1972-08-02 |
Family
ID=14644568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11470668U Expired JPS4724425Y1 (ja) | 1968-12-30 | 1968-12-30 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS4724425Y1 (ja) |
| FR (1) | FR2027379A1 (ja) |
| GB (2) | GB1290892A (ja) |
-
1968
- 1968-12-30 JP JP11470668U patent/JPS4724425Y1/ja not_active Expired
-
1969
- 1969-12-15 GB GB1290892D patent/GB1290892A/en not_active Expired
- 1969-12-15 GB GB2175872A patent/GB1291810A/en not_active Expired
- 1969-12-30 FR FR6945433A patent/FR2027379A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE1964787B2 (de) | 1972-10-12 |
| DE1964787A1 (de) | 1970-07-16 |
| GB1290892A (ja) | 1972-09-27 |
| GB1291810A (en) | 1972-10-04 |
| FR2027379A1 (ja) | 1970-09-25 |