JPS5350433Y2 - - Google Patents
Info
- Publication number
- JPS5350433Y2 JPS5350433Y2 JP1971094810U JP9481071U JPS5350433Y2 JP S5350433 Y2 JPS5350433 Y2 JP S5350433Y2 JP 1971094810 U JP1971094810 U JP 1971094810U JP 9481071 U JP9481071 U JP 9481071U JP S5350433 Y2 JPS5350433 Y2 JP S5350433Y2
- 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
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1971094810U JPS5350433Y2 (fr) | 1971-10-14 | 1971-10-14 | |
| US05/205,832 US4002408A (en) | 1971-10-14 | 1971-12-10 | System and device for overhead projection |
| DE2212502A DE2212502C3 (de) | 1971-10-14 | 1972-03-15 | Überkopfprojektor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1971094810U JPS5350433Y2 (fr) | 1971-10-14 | 1971-10-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4851329U JPS4851329U (fr) | 1973-07-04 |
| JPS5350433Y2 true JPS5350433Y2 (fr) | 1978-12-02 |
Family
ID=28008210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1971094810U Expired JPS5350433Y2 (fr) | 1971-10-14 | 1971-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5350433Y2 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5484725A (en) * | 1972-05-18 | 1979-07-05 | Gakken Co Ltd | Projecting method that can project on vertical surface and projecting device |
-
1971
- 1971-10-14 JP JP1971094810U patent/JPS5350433Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4851329U (fr) | 1973-07-04 |