JPH01115750U - - Google Patents
Info
- Publication number
- JPH01115750U JPH01115750U JP890288U JP890288U JPH01115750U JP H01115750 U JPH01115750 U JP H01115750U JP 890288 U JP890288 U JP 890288U JP 890288 U JP890288 U JP 890288U JP H01115750 U JPH01115750 U JP H01115750U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- cooling fan
- drive signal
- drive
- outputting
- 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
- 238000001816 cooling Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Light Sources And Details Of Projection-Printing Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP890288U JPH01115750U (enrdf_load_stackoverflow) | 1988-01-28 | 1988-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP890288U JPH01115750U (enrdf_load_stackoverflow) | 1988-01-28 | 1988-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01115750U true JPH01115750U (enrdf_load_stackoverflow) | 1989-08-03 |
Family
ID=31215174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP890288U Pending JPH01115750U (enrdf_load_stackoverflow) | 1988-01-28 | 1988-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01115750U (enrdf_load_stackoverflow) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5587159A (en) * | 1978-12-26 | 1980-07-01 | Copyer Co Ltd | Electrophotographic copier |
| JPS57189148A (en) * | 1981-05-18 | 1982-11-20 | Ricoh Co Ltd | Preventing method for dew condensation in optical device |
| JPS61282856A (ja) * | 1985-06-10 | 1986-12-13 | Canon Inc | 画像形成装置の排気装置 |
-
1988
- 1988-01-28 JP JP890288U patent/JPH01115750U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5587159A (en) * | 1978-12-26 | 1980-07-01 | Copyer Co Ltd | Electrophotographic copier |
| JPS57189148A (en) * | 1981-05-18 | 1982-11-20 | Ricoh Co Ltd | Preventing method for dew condensation in optical device |
| JPS61282856A (ja) * | 1985-06-10 | 1986-12-13 | Canon Inc | 画像形成装置の排気装置 |
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