JPH0415754U - - Google Patents
Info
- Publication number
- JPH0415754U JPH0415754U JP5469790U JP5469790U JPH0415754U JP H0415754 U JPH0415754 U JP H0415754U JP 5469790 U JP5469790 U JP 5469790U JP 5469790 U JP5469790 U JP 5469790U JP H0415754 U JPH0415754 U JP H0415754U
- Authority
- JP
- Japan
- Prior art keywords
- barcode
- light
- scanning means
- barcode label
- light source
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Description
第１図はこの考案に係るバーコードリーダの光
学機構を示す光路図、第２図はこの考案に係る放
物筒鏡の作用を示す光路図、第３図は従来のバー
コードリーダにおける欠点を示す説明図である。
１……回動ミラー、２……放物筒鏡。
Figure 1 is an optical path diagram showing the optical mechanism of the barcode reader according to this invention, Figure 2 is an optical path diagram showing the action of the parabolic tube mirror according to this invention, and Figure 3 is a diagram showing the drawbacks of the conventional barcode reader. FIG. 1... Rotating mirror, 2... Parabolic tube mirror.
Claims (1)
る箱等に貼付したバーコードラベルに、光源から
出射したビーム光を走査手段によつて振動走査さ
せながら投光し、そのバーコードラベルに記録し
たバーコードを光学的に読取るバーコードリーダ
において、 前記走査手段が、所定位置に設けられ光源から
のビーム光を所定方向に反射させる回動ミラーと
、 この回動ミラーが焦点位置となるように配置さ
れ、反射後のビーム光を平行光線の状態でバーコ
ードラベルに投光する放物筒鏡とを備えたことを
特徴とするバーコードリーダの光学機構。[Scope of Claim for Utility Model Registration] A beam of light emitted from a light source is projected while being vibrated and scanned by a scanning means onto a barcode label affixed to a box, etc., in which products, etc. are packaged and transported along a predetermined transport path. , a barcode reader that optically reads a barcode recorded on the barcode label, wherein the scanning means includes a rotating mirror provided at a predetermined position and reflecting a beam of light from a light source in a predetermined direction; and the rotating mirror. 1. An optical mechanism for a barcode reader, comprising: a parabolic tube mirror that is arranged so that the focal point is a focal position, and projects a reflected beam of light onto a barcode label in the form of parallel rays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990054697U JP2571159Y2 (en) | 1990-05-25 | 1990-05-25 | Barcode reader optical mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990054697U JP2571159Y2 (en) | 1990-05-25 | 1990-05-25 | Barcode reader optical mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0415754U true JPH0415754U (en) | 1992-02-07 |
| JP2571159Y2 JP2571159Y2 (en) | 1998-05-13 |
Family
ID=31576991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990054697U Expired - Lifetime JP2571159Y2 (en) | 1990-05-25 | 1990-05-25 | Barcode reader optical mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2571159Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5689711A (en) * | 1979-12-21 | 1981-07-21 | Fujitsu Ltd | Photoscanner |
-
1990
- 1990-05-25 JP JP1990054697U patent/JP2571159Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5689711A (en) * | 1979-12-21 | 1981-07-21 | Fujitsu Ltd | Photoscanner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2571159Y2 (en) | 1998-05-13 |
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