JPS6438768A - Light quantity controlling circuit for fluorescent lamp for illuminating document surface in electronic copying machine - Google Patents
Light quantity controlling circuit for fluorescent lamp for illuminating document surface in electronic copying machineInfo
- Publication number
- JPS6438768A JPS6438768A JP62194818A JP19481887A JPS6438768A JP S6438768 A JPS6438768 A JP S6438768A JP 62194818 A JP62194818 A JP 62194818A JP 19481887 A JP19481887 A JP 19481887A JP S6438768 A JPS6438768 A JP S6438768A
- Authority
- JP
- Japan
- Prior art keywords
- fluorescent lamp
- surface temperature
- tube surface
- light quantity
- output
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62194818A JP2603645B2 (ja) | 1987-08-04 | 1987-08-04 | 原稿面照明用蛍光灯の光量制御回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62194818A JP2603645B2 (ja) | 1987-08-04 | 1987-08-04 | 原稿面照明用蛍光灯の光量制御回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6438768A true JPS6438768A (en) | 1989-02-09 |
JP2603645B2 JP2603645B2 (ja) | 1997-04-23 |
Family
ID=16330768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62194818A Expired - Fee Related JP2603645B2 (ja) | 1987-08-04 | 1987-08-04 | 原稿面照明用蛍光灯の光量制御回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2603645B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04309064A (ja) * | 1991-04-05 | 1992-10-30 | Fuji Xerox Co Ltd | 画像読取装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61151525A (ja) * | 1984-12-26 | 1986-07-10 | Ricoh Co Ltd | 複写機における露光装置 |
JPS6358797A (ja) * | 1986-08-28 | 1988-03-14 | キヤノン株式会社 | 照明装置 |
-
1987
- 1987-08-04 JP JP62194818A patent/JP2603645B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61151525A (ja) * | 1984-12-26 | 1986-07-10 | Ricoh Co Ltd | 複写機における露光装置 |
JPS6358797A (ja) * | 1986-08-28 | 1988-03-14 | キヤノン株式会社 | 照明装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04309064A (ja) * | 1991-04-05 | 1992-10-30 | Fuji Xerox Co Ltd | 画像読取装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2603645B2 (ja) | 1997-04-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |