JPS62100756U - - Google Patents
Info
- Publication number
- JPS62100756U JPS62100756U JP19188885U JP19188885U JPS62100756U JP S62100756 U JPS62100756 U JP S62100756U JP 19188885 U JP19188885 U JP 19188885U JP 19188885 U JP19188885 U JP 19188885U JP S62100756 U JPS62100756 U JP S62100756U
- Authority
- JP
- Japan
- Prior art keywords
- illumination
- power supply
- image
- lamp
- illumination lamp
- 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
- 238000005286 illumination Methods 0.000 claims description 8
- 238000003384 imaging method Methods 0.000 claims 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Facsimile Scanning Arrangements (AREA)
Description
第１図は本考案の一実施例による画像読取り装
置を示す概略図、第２図は上記実施例装置の要部
を示すブロツク図、第３図は本考案装置における
原稿照明光の光量変動を示すグラフ、第４図は従
来装置における原稿照明光の光量変動を示すグラ
フである。
１１…原稿、１２…照明ランプ、１３…照明用
電源装置、１４，１５，１６…ミラー、１７…結
像レンズ、１８…撮像素子、２２…画像読取回路
。
FIG. 1 is a schematic diagram showing an image reading device according to an embodiment of the present invention, FIG. 2 is a block diagram showing the main parts of the device according to the embodiment, and FIG. The graph shown in FIG. 4 is a graph showing variations in the amount of document illumination light in the conventional apparatus. DESCRIPTION OF SYMBOLS 11... Document, 12... Illumination lamp, 13... Illumination power supply device, 14, 15, 16... Mirror, 17... Image forming lens, 18... Image pickup element, 22... Image reading circuit.
Claims (1)
ンプに給電する照明用電源装置と、照明された前
記原稿画像からの光を光電的に検出する撮像手段
とを有する画像読取り装置において、 前記照明ランプとしてタングステンランプが用
いられ、 前記照明用電源装置として、高周波電流を発生
する高周波電源装置が用いられたことを特徴とす
る画像読取り装置。[Claims for Utility Model Registration] An image that includes an illumination lamp that illuminates an original image, an illumination power supply that supplies power to the illumination lamp, and an imaging means that photoelectrically detects light from the illuminated original image. An image reading device characterized in that: a tungsten lamp is used as the illumination lamp; and a high-frequency power supply device that generates a high-frequency current is used as the illumination power supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19188885U JPS62100756U (en) | 1985-12-13 | 1985-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19188885U JPS62100756U (en) | 1985-12-13 | 1985-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62100756U true JPS62100756U (en) | 1987-06-26 |
Family
ID=31146450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19188885U Pending JPS62100756U (en) | 1985-12-13 | 1985-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62100756U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5064460A (en) * | 1973-10-12 | 1975-05-31 | ||
| JPS5368020A (en) * | 1976-11-29 | 1978-06-17 | Nec Corp | Scanning system for solid state pickup element |
-
1985
- 1985-12-13 JP JP19188885U patent/JPS62100756U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5064460A (en) * | 1973-10-12 | 1975-05-31 | ||
| JPS5368020A (en) * | 1976-11-29 | 1978-06-17 | Nec Corp | Scanning system for solid state pickup element |
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