JPH01126771U - - Google Patents
Info
- Publication number
- JPH01126771U JPH01126771U JP2324188U JP2324188U JPH01126771U JP H01126771 U JPH01126771 U JP H01126771U JP 2324188 U JP2324188 U JP 2324188U JP 2324188 U JP2324188 U JP 2324188U JP H01126771 U JPH01126771 U JP H01126771U
- Authority
- JP
- Japan
- Prior art keywords
- light
- filter
- subject
- diagram showing
- light source
- 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
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Character Input (AREA)
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図はこの考案の一実施例であるハンデイ・
イメージ・スキヤナ装置の光学系の主要部品の照
明装置を示す斜視図、第２図は第１図の照明装置
における被写体の読取り範囲の光量バラツキを示
す図、第３図及び第４図は従来のハンデイ・イメ
ージ・スキヤナ装置の光学系の主要部品の配置を
示す構成図、及びその動作を示す説明図、第５図
は第３図の光学系の主要部品である照明装置を示
す斜視図、第６図は第５図の照明装置における被
写体の読取り範囲の光量バラツキを示す図である
。
図において、１……イメージスキヤナ本体、２
……イメージセンサ、３……レンズ、４，２４…
…光源、４ａ，２４ａ……発光素子、４ｂ……光
の軌跡、５，２５……被写体、５ａ，２５ａ……
読取り範囲、６……光学情報、７……光電変換部
、８……電荷蓄積部、９……電荷読出し部、１０
……電気信号、２６……フイルタである。なお、
図中、同一符号は同一、又は相当部分を示す。
Figure 1 shows an example of this invention, a handy model.
A perspective view showing the illumination device of the main parts of the optical system of an image scanner device, FIG. 2 is a diagram showing the variation in light intensity in the reading range of the subject in the illumination device of FIG. 1, and FIGS. A configuration diagram showing the arrangement of the main parts of the optical system of the handy image scanner device and an explanatory diagram showing its operation. FIG. 6 is a diagram showing variations in the amount of light in the reading range of a subject in the illumination device of FIG. 5. In the figure, 1...image scanner body, 2
...Image sensor, 3...Lens, 4, 24...
...Light source, 4a, 24a...Light emitting element, 4b...Light trajectory, 5, 25...Subject, 5a, 25a...
Reading range, 6... Optical information, 7... Photoelectric conversion section, 8... Charge storage section, 9... Charge reading section, 10
...electrical signal, 26...filter. In addition,
In the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
る照明装置において、光源の前方に光拡散効果の
あるフイルタを設置し、このフイルタを通過した
間接光により、被写体の広い範囲に渡つて均一な
光度で照明することを特徴とする照明装置。 In lighting equipment used in handy image scanners, etc., a filter with a light diffusion effect is installed in front of the light source, and the indirect light that passes through this filter illuminates a wide area of the subject with uniform brightness. A lighting device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2324188U JPH01126771U (en) | 1988-02-24 | 1988-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2324188U JPH01126771U (en) | 1988-02-24 | 1988-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01126771U true JPH01126771U (en) | 1989-08-30 |
Family
ID=31242063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2324188U Pending JPH01126771U (en) | 1988-02-24 | 1988-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01126771U (en) |
-
1988
- 1988-02-24 JP JP2324188U patent/JPH01126771U/ja active Pending