JPS6315852Y2 - - Google Patents
Info
- Publication number
- JPS6315852Y2 JPS6315852Y2 JP1439380U JP1439380U JPS6315852Y2 JP S6315852 Y2 JPS6315852 Y2 JP S6315852Y2 JP 1439380 U JP1439380 U JP 1439380U JP 1439380 U JP1439380 U JP 1439380U JP S6315852 Y2 JPS6315852 Y2 JP S6315852Y2
- Authority
- JP
- Japan
- Prior art keywords
- projector
- film
- light source
- air supply
- air
- 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
- 238000001816 cooling Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 1
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1439380U JPS6315852Y2 (en]) | 1980-02-07 | 1980-02-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1439380U JPS6315852Y2 (en]) | 1980-02-07 | 1980-02-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56117716U JPS56117716U (en]) | 1981-09-09 |
JPS6315852Y2 true JPS6315852Y2 (en]) | 1988-05-06 |
Family
ID=29610888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1439380U Expired JPS6315852Y2 (en]) | 1980-02-07 | 1980-02-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6315852Y2 (en]) |
-
1980
- 1980-02-07 JP JP1439380U patent/JPS6315852Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS56117716U (en]) | 1981-09-09 |
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