JPS5974459U - Engraved character reading device - Google Patents
Engraved character reading deviceInfo
- Publication number
- JPS5974459U JPS5974459U JP16901982U JP16901982U JPS5974459U JP S5974459 U JPS5974459 U JP S5974459U JP 16901982 U JP16901982 U JP 16901982U JP 16901982 U JP16901982 U JP 16901982U JP S5974459 U JPS5974459 U JP S5974459U
- Authority
- JP
- Japan
- Prior art keywords
- light
- reading device
- flat surface
- character reading
- shielding plate
- 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
Landscapes
- Character Input (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
□ 第１図は従来の刻印文字読取装置の構成を示す図、
第２図と第３図と第４図は本考案に珍る刻印文字読取装
置のそれぞれ原理を示す図と読取信号の発生を説明する
ための図と全体構成を示す図である。
図において、１は光源、２は被読取物体、３は結像レン
ズ、４は撮像素子、５は遮光板、６はラインセンサー、
７は暗箱、８はスリット孔、２１は刻印文字列、２１１
は被読取文字である。□ Figure 1 shows the configuration of a conventional engraved character reading device.
FIGS. 2, 3, and 4 are a diagram showing the principle of the engraved character reading device unique to the present invention, a diagram for explaining the generation of a reading signal, and a diagram showing the overall configuration, respectively. In the figure, 1 is a light source, 2 is an object to be read, 3 is an imaging lens, 4 is an image sensor, 5 is a light shielding plate, 6 is a line sensor,
7 is a dark box, 8 is a slit hole, 21 is a stamped character string, 211
is the character to be read.
Claims (1)
る刻印文字読取装置において、その端辺が該平面と密接
するようにして設けられた遮光板と、該遮光板の片側か
ら該平面上の文字に光を投射するための光源と、該平面
上の文字部分から漏洩する投射光を該遮光板の他の片側
において検出−するための検出光学系とを設けたことを
特徴とする刻印文字読取装置。In an engraved character reading device that reads characters formed by depressions provided on a flat surface, a light-shielding plate is provided such that its edge is in close contact with the flat surface, and the characters on the flat surface are read from one side of the light-shielding plate. An engraved character reading device characterized by being provided with a light source for projecting light onto the plane, and a detection optical system for detecting the projected light leaking from the character portion on the flat surface on the other side of the light shielding plate. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16901982U JPS5974459U (en) | 1982-11-08 | 1982-11-08 | Engraved character reading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16901982U JPS5974459U (en) | 1982-11-08 | 1982-11-08 | Engraved character reading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5974459U true JPS5974459U (en) | 1984-05-21 |
Family
ID=30369351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16901982U Pending JPS5974459U (en) | 1982-11-08 | 1982-11-08 | Engraved character reading device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5974459U (en) |
-
1982
- 1982-11-08 JP JP16901982U patent/JPS5974459U/en active Pending
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