JPH03116457U - - Google Patents
Info
- Publication number
- JPH03116457U JPH03116457U JP2418490U JP2418490U JPH03116457U JP H03116457 U JPH03116457 U JP H03116457U JP 2418490 U JP2418490 U JP 2418490U JP 2418490 U JP2418490 U JP 2418490U JP H03116457 U JPH03116457 U JP H03116457U
- Authority
- JP
- Japan
- Prior art keywords
- light
- barcode
- barcode reader
- barcode label
- light beam
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案に係るバーコードリーダの光
学装置を示す構成図、第２図は従来のバーコード
リーダの光学装置を示す構成図である。
１……光源、５……バーコードラベル、４……
受光素子、２……凹面鏡。
FIG. 1 is a block diagram showing the optical device of a barcode reader according to this invention, and FIG. 2 is a block diagram showing the optical device of a conventional barcode reader. 1...Light source, 5...Barcode label, 4...
Light receiving element, 2... concave mirror.
Claims (1)
てバーコードラベル全面を同時に投光し、そのバ
ーコードラベルにて反射してきた戻り光を受光素
子によつて光学的に読取るバーコードリーダにお
いて、 前記ビーム光を拡幅投光させるビーム光の拡散
手段として凹面鏡を用いるように構成したことを
特徴とするバーコードリーダの光学装置。[Claims for Utility Model Registration] A beam of light emitted from a light source is widened and diffused to illuminate the entire surface of a barcode label at the same time, and the return light reflected from the barcode label is optically captured by a light receiving element. An optical device for a barcode reader, characterized in that the barcode reader is configured to use a concave mirror as a light beam diffusing means for widening and projecting the light beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2418490U JPH03116457U (en) | 1990-03-09 | 1990-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2418490U JPH03116457U (en) | 1990-03-09 | 1990-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03116457U true JPH03116457U (en) | 1991-12-03 |
Family
ID=31527153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2418490U Pending JPH03116457U (en) | 1990-03-09 | 1990-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03116457U (en) |
-
1990
- 1990-03-09 JP JP2418490U patent/JPH03116457U/ja active Pending