JPH03113455U - - Google Patents
Info
- Publication number
- JPH03113455U JPH03113455U JP2099090U JP2099090U JPH03113455U JP H03113455 U JPH03113455 U JP H03113455U JP 2099090 U JP2099090 U JP 2099090U JP 2099090 U JP2099090 U JP 2099090U JP H03113455 U JPH03113455 U JP H03113455U
- Authority
- JP
- Japan
- Prior art keywords
- barcode
- light
- imaging lens
- barcode label
- reader
- 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 9
- 238000005286 illumination Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Mechanical Optical Scanning Systems (AREA)
Description
第１図はこの考案に係るバーコードリーダの光
学装置における照明光の進路を示す光路図、第２
図は第１図に示す光学装置の要部を示す拡大光路
図、第３図は従来のバーコードリーダの光学装置
における照明光の進路を示す光路図、第４図は第
３図に示す光学装置の要部を示す拡大光路図であ
る。
１……光源、６……バーコードラベル、４……
結像レンズ、５……受光素子、３……視野拡大手
段（凸面鏡）。
FIG. 1 is an optical path diagram showing the course of illumination light in the optical device of the barcode reader according to this invention, and FIG.
The figure is an enlarged optical path diagram showing the main parts of the optical device shown in FIG. 1, FIG. 3 is an optical path diagram showing the path of illumination light in the optical device of a conventional barcode reader, and FIG. FIG. 2 is an enlarged optical path diagram showing the main parts of the device. 1...Light source, 6...Barcode label, 4...
Imaging lens, 5... Light receiving element, 3... Field of view enlarging means (convex mirror).
Claims (1)
し、そのバーコードラベル上で反射してきた反射
光を結像レンズを介して受光素子により光学的に
読取るバーコードリーダにおいて、 前記バーコードラベル上で反射したのち結像レ
ンズに至るまでの間の反射光の光路上に凸面鏡等
の視野拡大手段を設け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 barcode in which illumination light from a light source is projected onto a barcode label, and the reflected light reflected on the barcode label is optically read by a light receiving element via an imaging lens. An optical device for a barcode reader, characterized in that, in the reader, a field-of-view enlarging means such as a convex mirror is provided on the optical path of the reflected light from the barcode label to the imaging lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2099090U JPH03113455U (en) | 1990-03-01 | 1990-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2099090U JPH03113455U (en) | 1990-03-01 | 1990-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03113455U true JPH03113455U (en) | 1991-11-20 |
Family
ID=31524070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2099090U Pending JPH03113455U (en) | 1990-03-01 | 1990-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03113455U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007175338A (en) * | 2005-12-28 | 2007-07-12 | Itoki Corp | Support device for storage partition furniture |
| JP2012135429A (en) * | 2010-12-27 | 2012-07-19 | Atsushi Maruyama | Tip-over prevention furniture, and tip-over prevention device |
-
1990
- 1990-03-01 JP JP2099090U patent/JPH03113455U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007175338A (en) * | 2005-12-28 | 2007-07-12 | Itoki Corp | Support device for storage partition furniture |
| JP2012135429A (en) * | 2010-12-27 | 2012-07-19 | Atsushi Maruyama | Tip-over prevention furniture, and tip-over prevention device |
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