JPH01100252U - - Google Patents
Info
- Publication number
- JPH01100252U JPH01100252U JP19371087U JP19371087U JPH01100252U JP H01100252 U JPH01100252 U JP H01100252U JP 19371087 U JP19371087 U JP 19371087U JP 19371087 U JP19371087 U JP 19371087U JP H01100252 U JPH01100252 U JP H01100252U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light source
- concavo
- reading device
- convex pattern
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Character Input (AREA)
Description
第1図は本考案に係る凹凸パターン読取装置の
一実施例を示す構成図、第2図は従来の凹凸パタ
ーン読取装置の構成図、第3図は第2図の情報担
持体の位置とラインセンサの出力と関係を示す説
明図、第4図は第1図の情報担持体の位置とライ
ンセンサの出力と関係を示す説明図である。
1…プラスチツクカード(情報担持体)、1a
…平面部、1b…凹凸パターン、1c…着色部、
2…光源、5…ラインセンサ(読取手段)、C…
乱反射光。
FIG. 1 is a configuration diagram showing an embodiment of the uneven pattern reading device according to the present invention, FIG. 2 is a configuration diagram of a conventional uneven pattern reading device, and FIG. 3 is the position and line of the information carrier shown in FIG. 2. FIG. 4 is an explanatory diagram showing the relationship between the output of the sensor and the output of the line sensor. FIG. 4 is an explanatory diagram showing the relationship between the position of the information carrier shown in FIG. 1 and the output of the line sensor. 1...Plastic card (information carrier), 1a
... Planar part, 1b... Uneven pattern, 1c... Colored part,
2...Light source, 5...Line sensor (reading means), C...
Diffuse reflected light.
Claims (1)
た情報担持体に光を照射する光源と、 上記光源により光照射された情報担持体からの
反射光を受光して凹凸パターンを読取る読取手段
と を有する凹凸パターン読取装置において、 上記光源の発する光が少なくとも赤外領域の光
を含み、上記読取手段の受光する反射光を赤外領
域の光としたことを特徴とする凹凸パターン読取
装置。[Scope of Claim for Utility Model Registration] A light source that irradiates light onto an information carrier that carries information by forming a concavo-convex pattern on a flat surface, and a light source that receives reflected light from the information carrier irradiated with light by the light source. A concavo-convex pattern reading device having reading means for reading a concavo-convex pattern, characterized in that the light emitted by the light source includes at least light in the infrared region, and the reflected light received by the reading device is light in the infrared region. uneven pattern reading device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19371087U JPH01100252U (en) | 1987-12-21 | 1987-12-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19371087U JPH01100252U (en) | 1987-12-21 | 1987-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01100252U true JPH01100252U (en) | 1989-07-05 |
Family
ID=31484488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19371087U Pending JPH01100252U (en) | 1987-12-21 | 1987-12-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01100252U (en) |
-
1987
- 1987-12-21 JP JP19371087U patent/JPH01100252U/ja active Pending