JPH0258625B2 - - Google Patents
Info
- Publication number
- JPH0258625B2 JPH0258625B2 JP55026736A JP2673680A JPH0258625B2 JP H0258625 B2 JPH0258625 B2 JP H0258625B2 JP 55026736 A JP55026736 A JP 55026736A JP 2673680 A JP2673680 A JP 2673680A JP H0258625 B2 JPH0258625 B2 JP H0258625B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- fluorescent lamp
- cooling member
- cooling
- tube wall
- 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 - Lifetime
Links
- 238000001816 cooling Methods 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 6
- 230000003595 spectral effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/54—Lamp housings; Illuminating means
- G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Facsimile Scanning Arrangements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2673680A JPS56123564A (en) | 1980-03-05 | 1980-03-05 | Original illumination device for electronic copy machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2673680A JPS56123564A (en) | 1980-03-05 | 1980-03-05 | Original illumination device for electronic copy machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56123564A JPS56123564A (en) | 1981-09-28 |
JPH0258625B2 true JPH0258625B2 (US06633600-20031014-M00021.png) | 1990-12-10 |
Family
ID=12201584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2673680A Granted JPS56123564A (en) | 1980-03-05 | 1980-03-05 | Original illumination device for electronic copy machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56123564A (US06633600-20031014-M00021.png) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58200225A (ja) * | 1982-05-19 | 1983-11-21 | Hitachi Ltd | 露光装置 |
JPS60124168A (ja) * | 1983-12-09 | 1985-07-03 | Canon Inc | 原稿読み取り装置 |
JPS60168134A (ja) * | 1984-02-10 | 1985-08-31 | Fuji Xerox Co Ltd | 複写機照明用光量制御装置 |
JPS6262347A (ja) * | 1985-09-13 | 1987-03-19 | Fuji Xerox Co Ltd | 露光装置の蛍光ランプ |
JPH0264940U (US06633600-20031014-M00021.png) * | 1988-11-02 | 1990-05-16 | ||
JP2714205B2 (ja) * | 1990-02-17 | 1998-02-16 | キヤノン株式会社 | 複写装置 |
JPH0321160A (ja) * | 1990-06-01 | 1991-01-29 | Canon Inc | 画像読取装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5413354B2 (US06633600-20031014-M00021.png) * | 1974-05-07 | 1979-05-30 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6328419Y2 (US06633600-20031014-M00021.png) * | 1977-06-30 | 1988-08-01 |
-
1980
- 1980-03-05 JP JP2673680A patent/JPS56123564A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5413354B2 (US06633600-20031014-M00021.png) * | 1974-05-07 | 1979-05-30 |
Also Published As
Publication number | Publication date |
---|---|
JPS56123564A (en) | 1981-09-28 |
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