JPS63337U - - Google Patents
Info
- Publication number
- JPS63337U JPS63337U JP9132686U JP9132686U JPS63337U JP S63337 U JPS63337 U JP S63337U JP 9132686 U JP9132686 U JP 9132686U JP 9132686 U JP9132686 U JP 9132686U JP S63337 U JPS63337 U JP S63337U
- Authority
- JP
- Japan
- Prior art keywords
- document
- light source
- platen
- section
- illumination device
- 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
- 238000005286 illumination Methods 0.000 claims 4
- 230000001105 regulatory effect Effects 0.000 claims 4
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000007788 roughening Methods 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図〜第３図は本考案を画像読取り装置に適
用した第一実施例を示しており、第１図はその画
像読取り装置の斜視図、第２図はその蛍光ランプ
の断面図、第３図はこの装置の一部拡大断面図、
第４図〜第６図は第二実施例を示しており、第４
図はこの装置の蛍光ランプの断面図、第５図はこ
の装置の一部拡大断面図、第６図Ａ，Ｂはこの実
施例の変形例に係る蛍光ランプの断面図、第７図
〜第８図は第三実施例を示しており、第７図はこ
の装置の蛍光ランプの断面図、第８図はこの一部
拡大断面図をそれぞれ示し、第９図〜第１１図は
従来の画像読取り装置を示しており、第９図はそ
の斜視図、第１０図はその断面図、第１１図はそ
の一部拡大断面図である。
（符号説明）、１…プラテンガラス、３…蛍光
ランプ、６…イメージセンサ、８…管、１１…耐
熱ゴム材、１２…原稿、１４…拡散部、α…原稿
照射部。
1 to 3 show a first embodiment in which the present invention is applied to an image reading device, FIG. 1 is a perspective view of the image reading device, FIG. 2 is a sectional view of the fluorescent lamp, and FIG. Figure 3 is a partially enlarged sectional view of this device.
Figures 4 to 6 show the second embodiment;
The figure is a sectional view of a fluorescent lamp of this device, FIG. 5 is a partially enlarged sectional view of this device, FIGS. 6A and B are sectional views of a fluorescent lamp according to a modification of this embodiment, and FIGS. Figure 8 shows the third embodiment, Figure 7 is a sectional view of the fluorescent lamp of this device, Figure 8 is a partially enlarged sectional view of this, and Figures 9 to 11 are conventional images. 9 is a perspective view thereof, FIG. 10 is a sectional view thereof, and FIG. 11 is a partially enlarged sectional view thereof. (Explanation of symbols) 1...Platen glass, 3...Fluorescent lamp, 6...Image sensor, 8...Tube, 11...Heat-resistant rubber material, 12...Document, 14...Diffusion part, α...Document irradiation part.
Claims (1)
状光源を配設し、上記プラテン若しくは光源を相
対移動させてプラテン上の原稿面を順次スリツト
状に照明するようにした原稿照明装置において、
上記光源には、上記スリツト状の原稿照射部へ向
かう反射光を抑制する反射規制部を設けたことを
特徴とする原稿照明装置。 (2) 上記反射規制部が、光源の管外表面に形成
された光吸収部であることを特徴とする実用新案
登録請求の範囲第１項記載の原稿照明装置。 (3) 上記反射規制部が、光源の上記原稿照射部
に対向する管外表面を平面形状にして形成された
平面部であることを特徴とする実用新案登録請求
の範囲第１項記載の原稿照明装置。 (4) 上記反射規制部が、光源の管外表面を粗面
化処理して形成された拡散部であることを特徴と
する実用新案登録請求の範囲第１項記載の原稿照
明装置。[Claims for Utility Model Registration] (1) A tubular light source for document illumination is provided below a transparent platen, and the document surface on the platen is sequentially illuminated in a slit shape by relatively moving the platen or the light source. In the document illumination device,
A document illuminating device characterized in that the light source is provided with a reflection regulating section that suppresses reflected light directed toward the slit-shaped document irradiating section. (2) The document illumination device according to claim 1, wherein the reflection regulating section is a light absorbing section formed on the outer surface of the light source. (3) The document according to claim 1 of the utility model registration claim, wherein the reflection regulating portion is a flat portion formed by making the outer surface of the light source facing the document irradiation portion into a flat shape. lighting equipment. (4) The document illumination device according to claim 1, wherein the reflection regulating portion is a diffusing portion formed by roughening the outer surface of the light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986091326U JPH059719Y2 (en) | 1986-06-17 | 1986-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986091326U JPH059719Y2 (en) | 1986-06-17 | 1986-06-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63337U true JPS63337U (en) | 1988-01-05 |
| JPH059719Y2 JPH059719Y2 (en) | 1993-03-10 |
Family
ID=30952008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986091326U Expired - Lifetime JPH059719Y2 (en) | 1986-06-17 | 1986-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH059719Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5470431U (en) * | 1977-10-24 | 1979-05-19 | ||
| JPS5548169U (en) * | 1978-09-26 | 1980-03-29 | ||
| JPS58126545A (en) * | 1982-01-22 | 1983-07-28 | Matsushita Electronics Corp | Illumination device for exposure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5548169B2 (en) * | 1973-02-24 | 1980-12-04 |
-
1986
- 1986-06-17 JP JP1986091326U patent/JPH059719Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5470431U (en) * | 1977-10-24 | 1979-05-19 | ||
| JPS5548169U (en) * | 1978-09-26 | 1980-03-29 | ||
| JPS58126545A (en) * | 1982-01-22 | 1983-07-28 | Matsushita Electronics Corp | Illumination device for exposure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH059719Y2 (en) | 1993-03-10 |