JPH0275630U - - Google Patents
Info
- Publication number
- JPH0275630U JPH0275630U JP15471388U JP15471388U JPH0275630U JP H0275630 U JPH0275630 U JP H0275630U JP 15471388 U JP15471388 U JP 15471388U JP 15471388 U JP15471388 U JP 15471388U JP H0275630 U JPH0275630 U JP H0275630U
- Authority
- JP
- Japan
- Prior art keywords
- subject
- projection
- light source
- projection plane
- lens
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988154713U JPH0714986Y2 (ja) | 1988-11-28 | 1988-11-28 | 投影装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988154713U JPH0714986Y2 (ja) | 1988-11-28 | 1988-11-28 | 投影装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0275630U true JPH0275630U (zh) | 1990-06-11 |
JPH0714986Y2 JPH0714986Y2 (ja) | 1995-04-10 |
Family
ID=31431690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988154713U Expired - Lifetime JPH0714986Y2 (ja) | 1988-11-28 | 1988-11-28 | 投影装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0714986Y2 (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5120858A (en) * | 1974-08-12 | 1976-02-19 | Nippon Shikisai Kenkyusho | Shikisaitoeiniokeru zaishitsukanhyogenhoho |
JPS5484725A (en) * | 1972-05-18 | 1979-07-05 | Gakken Co Ltd | Projecting method that can project on vertical surface and projecting device |
-
1988
- 1988-11-28 JP JP1988154713U patent/JPH0714986Y2/ja not_active Expired - Lifetime
Patent Citations (2)
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 |
JPS5120858A (en) * | 1974-08-12 | 1976-02-19 | Nippon Shikisai Kenkyusho | Shikisaitoeiniokeru zaishitsukanhyogenhoho |
Also Published As
Publication number | Publication date |
---|---|
JPH0714986Y2 (ja) | 1995-04-10 |
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