JPH0427664U - - Google Patents
Info
- Publication number
- JPH0427664U JPH0427664U JP6848490U JP6848490U JPH0427664U JP H0427664 U JPH0427664 U JP H0427664U JP 6848490 U JP6848490 U JP 6848490U JP 6848490 U JP6848490 U JP 6848490U JP H0427664 U JPH0427664 U JP H0427664U
- Authority
- JP
- Japan
- Prior art keywords
- light
- passed
- scanning
- photoelectric conversion
- conversion element
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 1
Landscapes
- Facsimile Heads (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図はこの考案に係る光学走査装置の一実施
例を示す光路図、第２図は従来の透過型光学走査
装置を示す光路図である。
１……光源部、２……透過型原稿、３……走査
位置、４……拡散板、５……シリンドリカルレン
ズ、６……光フアイバー群、７……光電変換素子
、８……光の強度分布、９……フレネルレンズ。
FIG. 1 is an optical path diagram showing an embodiment of an optical scanning device according to this invention, and FIG. 2 is an optical path diagram showing a conventional transmission type optical scanning device. DESCRIPTION OF SYMBOLS 1...Light source part, 2...Transmission type original, 3...Scanning position, 4...Diffusion plate, 5...Cylindrical lens, 6...Optical fiber group, 7...Photoelectric conversion element, 8...Light Intensity distribution, 9...Fresnel lens.
Claims (1)
位置を通過する透過型原稿を読取る光電変換素子
からなる透過型読取装置において、前記透過型原
稿を通過した光を走査中心方向に向けるフレネル
レンズと、このフレネルレンズを通過した光を拡
散する拡散板と、この拡散板を通過した光を集光
するシリンドリカルレンズと、このシリンドリカ
ルレンズを通過した光を光電変換素子に導びく光
フアイバ群とを備えてなる光学走査装置。 In a transmissive reading device comprising a light source unit that illuminates a scanning position with a line, and a photoelectric conversion element that reads a transmissive original that passes through the scanning position, a Fresnel lens that directs light that has passed through the transmissive original toward the center of scanning; It includes a diffuser plate that diffuses the light that has passed through the Fresnel lens, a cylindrical lens that focuses the light that has passed through the diffuser plate, and an optical fiber group that guides the light that has passed through the cylindrical lens to the photoelectric conversion element. An optical scanning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6848490U JPH0427664U (en) | 1990-06-29 | 1990-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6848490U JPH0427664U (en) | 1990-06-29 | 1990-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0427664U true JPH0427664U (en) | 1992-03-05 |
Family
ID=31602964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6848490U Pending JPH0427664U (en) | 1990-06-29 | 1990-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0427664U (en) |
-
1990
- 1990-06-29 JP JP6848490U patent/JPH0427664U/ja active Pending
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