JPS52126241A - Slit illumination device - Google Patents
Slit illumination deviceInfo
- Publication number
- JPS52126241A JPS52126241A JP4291176A JP4291176A JPS52126241A JP S52126241 A JPS52126241 A JP S52126241A JP 4291176 A JP4291176 A JP 4291176A JP 4291176 A JP4291176 A JP 4291176A JP S52126241 A JPS52126241 A JP S52126241A
- Authority
- JP
- Japan
- Prior art keywords
- illumination device
- light
- slit illumination
- reflective mirror
- source light
- 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
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Facsimile Scanning Arrangements (AREA)
- Lenses (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Abstract
PURPOSE: By illuminating a narrow slit area with a sufficient quantity of light by focusing an image source light of a light source light on a common focus for two sets of the hyperbolic reflective mirror by means of an elliptic reflective mirror.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51042911A JPS5852573B2 (en) | 1976-04-15 | 1976-04-15 | slit lighting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51042911A JPS5852573B2 (en) | 1976-04-15 | 1976-04-15 | slit lighting device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52126241A true JPS52126241A (en) | 1977-10-22 |
JPS5852573B2 JPS5852573B2 (en) | 1983-11-24 |
Family
ID=12649200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51042911A Expired JPS5852573B2 (en) | 1976-04-15 | 1976-04-15 | slit lighting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5852573B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54158518U (en) * | 1978-04-26 | 1979-11-05 | ||
JPS55115157U (en) * | 1979-02-07 | 1980-08-14 | ||
JPS5619099U (en) * | 1979-07-20 | 1981-02-19 | ||
JPS56126863A (en) * | 1980-03-11 | 1981-10-05 | Ricoh Co Ltd | Lighting equipment of copying machine |
EP1746465A1 (en) * | 2005-07-15 | 2007-01-24 | Ricoh Company, Ltd. | An image forming apparatus capable of efficiently controlling light radiation to read an image |
-
1976
- 1976-04-15 JP JP51042911A patent/JPS5852573B2/en not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54158518U (en) * | 1978-04-26 | 1979-11-05 | ||
JPS5848829Y2 (en) * | 1978-04-26 | 1983-11-08 | 株式会社リコー | slit lighting device |
JPS55115157U (en) * | 1979-02-07 | 1980-08-14 | ||
JPS5619099U (en) * | 1979-07-20 | 1981-02-19 | ||
JPS56126863A (en) * | 1980-03-11 | 1981-10-05 | Ricoh Co Ltd | Lighting equipment of copying machine |
JPH0255787B2 (en) * | 1980-03-11 | 1990-11-28 | Ricoh Kk | |
EP1746465A1 (en) * | 2005-07-15 | 2007-01-24 | Ricoh Company, Ltd. | An image forming apparatus capable of efficiently controlling light radiation to read an image |
US7652804B2 (en) | 2005-07-15 | 2010-01-26 | Ricoh Company, Ltd. | Image forming apparatus capable of efficiently controlling light radiation to read an image |
Also Published As
Publication number | Publication date |
---|---|
JPS5852573B2 (en) | 1983-11-24 |
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