JPH045765U - - Google Patents
Info
- Publication number
- JPH045765U JPH045765U JP4591690U JP4591690U JPH045765U JP H045765 U JPH045765 U JP H045765U JP 4591690 U JP4591690 U JP 4591690U JP 4591690 U JP4591690 U JP 4591690U JP H045765 U JPH045765 U JP H045765U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- section
- transmission type
- transparent
- reading
- 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
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000003595 spectral effect Effects 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 1
Landscapes
- Facsimile Scanning Arrangements (AREA)
Description
第１図及び第２図は本考案の一実施例の平面図
及び装置構成を示す側面透視図、第３図は本実施
例における光フアイバー群と色フイルタと光電変
換素子の結合部を示す断面図、第４図及び第５図
は本実施例の色透明板及び色フイルタの分光特性
をそれぞれ示すグラフ、第６図及び第７図は従来
の透過系読取装置の一例の平面図及び装置構成を
示す側面透視図である。
１，２１……透過型読取装置、２，２２……光
源部、３，２３……透過原稿、４，２４……原稿
保持部、５，２５……透過読取部、６，２６……
装置カバー、７，２７……原稿載置台、８，２８
……原稿押え板、９，２９……モータ、１０，３
０……駆動系、１１，３１……拡散板、１２，３
２……シリンドリカルレンズ、１３，３３……光
フアイバー群、１４，３４……光電変換素子、１
５……外乱光、１６……遮光部材、１７……色透
明板、１８……色フイルタ。
1 and 2 are a plan view and a side perspective view showing the device configuration of an embodiment of the present invention, and FIG. 3 is a cross section showing the joint portion of the optical fiber group, color filter, and photoelectric conversion element in this embodiment. Figures 4 and 5 are graphs showing the spectral characteristics of the color transparent plate and color filter of this embodiment, respectively. Figures 6 and 7 are a plan view and device configuration of an example of a conventional transmission type reading device. FIG. 1, 21... Transmissive reading device, 2, 22... Light source unit, 3, 23... Transparent original, 4, 24... Original holding unit, 5, 25... Transparent reading unit, 6, 26...
Device cover, 7, 27... Original table, 8, 28
...Document presser plate, 9,29...Motor, 10,3
0... Drive system, 11, 31... Diffusion plate, 12, 3
2... Cylindrical lens, 13, 33... Optical fiber group, 14, 34... Photoelectric conversion element, 1
5... Disturbing light, 16... Light shielding member, 17... Color transparent plate, 18... Color filter.
Claims (1)
持部の上部から光源の光により前期透過原稿をラ
イン照射する光源部と、前記原稿保持部を挟んで
前記光源部と反対側に実装され且つ前記透過原稿
を読み取る光電変換素子を備えた透過読取部とを
有してなる透過型読取装置において、前記原稿保
持部を覆うように設けられた色透明板と、前記光
電変換素子の受光面前に置かれた色フイルタとを
備えることを特徴とする透過型読取装置。 ２ 前記色透明板が前記光源の波長に対し透過し
ない分光特性を有し且つ前記色フイルタが前記光
源の波長近傍の波長のみ透過する分光特性を有す
ることを特徴とする請求項１記載の透過型読取装
置。 ３ 前記光源がレーザであることを特徴とする請
求項１記載の透過型読取装置。[Scope of Claim for Utility Model Registration] 1. A document holding section on which a transparent original is placed, a light source section that irradiates the first transparent document with light from a light source from above the document holding section, and the light source section with the document holding section in between. and a transmissive reading section mounted on the opposite side and equipped with a photoelectric conversion element for reading the transmissive original; 1. A transmission type reader comprising: a color filter placed in front of a light receiving surface of a photoelectric conversion element. 2. The transmission type according to claim 1, wherein the color transparent plate has a spectral characteristic that does not transmit the wavelength of the light source, and the color filter has a spectral characteristic that transmits only wavelengths near the wavelength of the light source. reading device. 3. The transmission type reading device according to claim 1, wherein the light source is a laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4591690U JP2529794Y2 (en) | 1990-04-27 | 1990-04-27 | Transmission type reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4591690U JP2529794Y2 (en) | 1990-04-27 | 1990-04-27 | Transmission type reader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH045765U true JPH045765U (en) | 1992-01-20 |
| JP2529794Y2 JP2529794Y2 (en) | 1997-03-19 |
Family
ID=31560524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4591690U Expired - Lifetime JP2529794Y2 (en) | 1990-04-27 | 1990-04-27 | Transmission type reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2529794Y2 (en) |
-
1990
- 1990-04-27 JP JP4591690U patent/JP2529794Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2529794Y2 (en) | 1997-03-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |