JPS642238U - - Google Patents
Info
- Publication number
- JPS642238U JPS642238U JP9763987U JP9763987U JPS642238U JP S642238 U JPS642238 U JP S642238U JP 9763987 U JP9763987 U JP 9763987U JP 9763987 U JP9763987 U JP 9763987U JP S642238 U JPS642238 U JP S642238U
- Authority
- JP
- Japan
- Prior art keywords
- projection head
- projector
- overhead projector
- light projection
- stored
- 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.)
- Pending
Links
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9763987U JPS642238U (show.php) | 1987-06-24 | 1987-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9763987U JPS642238U (show.php) | 1987-06-24 | 1987-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS642238U true JPS642238U (show.php) | 1989-01-09 |
Family
ID=30964800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9763987U Pending JPS642238U (show.php) | 1987-06-24 | 1987-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS642238U (show.php) |
-
1987
- 1987-06-24 JP JP9763987U patent/JPS642238U/ja active Pending
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