JPH0174660U - - Google Patents
Info
- Publication number
- JPH0174660U JPH0174660U JP1987169951U JP16995187U JPH0174660U JP H0174660 U JPH0174660 U JP H0174660U JP 1987169951 U JP1987169951 U JP 1987169951U JP 16995187 U JP16995187 U JP 16995187U JP H0174660 U JPH0174660 U JP H0174660U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light source
- source array
- optical condenser
- line
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Facsimile Scanning Arrangements (AREA)
Description
図面第１図〜第３図は本考案に係るライン光源
装置の実施例を示し、第１図は第１の実施例の斜
視図、第２図はその作用説明図、第３図は第２の
実施例の斜視図であり、第４図は従来例の斜視図
、第５図は原稿読取用ユニツトの説明図、第６図
は従来のライン光源装置の側方から見た光路図、
第７図は上方から見た光路図、第８図はその特性
図である。
符号１１は光源列、１２は微小光源、１３，１
３′はシリンドリカルレンズ、１４は回折格子、
１５，１５′は格子線である。
Drawings 1 to 3 show an embodiment of the line light source device according to the present invention, FIG. 1 is a perspective view of the first embodiment, FIG. 2 is an explanatory diagram of its operation, and FIG. 3 is a second embodiment. 4 is a perspective view of a conventional example, FIG. 5 is an explanatory diagram of a document reading unit, and FIG. 6 is an optical path diagram as seen from the side of a conventional line light source device.
FIG. 7 is an optical path diagram seen from above, and FIG. 8 is a characteristic diagram thereof. Reference numeral 11 is a light source array, 12 is a minute light source, 13,1
3' is a cylindrical lens, 14 is a diffraction grating,
15 and 15' are grid lines.
Claims (1)
該光源列の前に設け該光源列方向に垂直な方向に
光束を集束させる光学集光手段と、該光学集光手
段の前又は後に配置し前記光源の配列方向にのみ
光を拡散させる一次元光束拡散手段とから成るこ
とを特徴とするライン光源装置。 A light source array with many minute light sources arranged in a straight line,
an optical condenser provided in front of the light source array to focus the light beam in a direction perpendicular to the light source array; and a one-dimensional optical condenser disposed before or after the optical condenser to diffuse the light only in the direction in which the light sources are arranged. A line light source device comprising: a light flux diffusing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169951U JPH0174660U (en) | 1987-11-06 | 1987-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169951U JPH0174660U (en) | 1987-11-06 | 1987-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0174660U true JPH0174660U (en) | 1989-05-19 |
Family
ID=31460466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987169951U Pending JPH0174660U (en) | 1987-11-06 | 1987-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0174660U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005077982A (en) * | 2003-09-03 | 2005-03-24 | Sankyo Seiki Mfg Co Ltd | Optical reading apparatus |
| WO2007029377A1 (en) * | 2005-09-08 | 2007-03-15 | Mitsubishi Electric Corporation | Image read device |
| JP2009246462A (en) * | 2008-03-28 | 2009-10-22 | Kyocera Mita Corp | Image reading device and image forming device |
| JP2011024043A (en) * | 2009-07-16 | 2011-02-03 | Fuji Xerox Co Ltd | Image reading device, and image forming apparatus |
-
1987
- 1987-11-06 JP JP1987169951U patent/JPH0174660U/ja active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005077982A (en) * | 2003-09-03 | 2005-03-24 | Sankyo Seiki Mfg Co Ltd | Optical reading apparatus |
| WO2007029377A1 (en) * | 2005-09-08 | 2007-03-15 | Mitsubishi Electric Corporation | Image read device |
| JPWO2007029377A1 (en) * | 2005-09-08 | 2009-03-26 | 三菱電機株式会社 | Image reading device |
| US7995252B2 (en) | 2005-09-08 | 2011-08-09 | Mitsubishi Electric Corporation | Image reading apparatus |
| JP4767964B2 (en) * | 2005-09-08 | 2011-09-07 | 三菱電機株式会社 | Image reading device |
| JP2009246462A (en) * | 2008-03-28 | 2009-10-22 | Kyocera Mita Corp | Image reading device and image forming device |
| US8325392B2 (en) | 2008-03-28 | 2012-12-04 | Kyocera Document Solutions Inc. | Image reading device and image forming device |
| JP2011024043A (en) * | 2009-07-16 | 2011-02-03 | Fuji Xerox Co Ltd | Image reading device, and image forming apparatus |