JPH0455664U - - Google Patents
Info
- Publication number
- JPH0455664U JPH0455664U JP9584290U JP9584290U JPH0455664U JP H0455664 U JPH0455664 U JP H0455664U JP 9584290 U JP9584290 U JP 9584290U JP 9584290 U JP9584290 U JP 9584290U JP H0455664 U JPH0455664 U JP H0455664U
- Authority
- JP
- Japan
- Prior art keywords
- polygon mirror
- scanning device
- barcode reader
- rotation axis
- mirror
- 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 3
Description
第１図はこの考案の請求項１に係る走査装置を
示す平面図、第２図は第１図に示す走査装置を用
いた場合の走査状態を示す説明図、第３図はこの
考案の請求項２に係る走査装置を示す平面図、第
４図は同装置による走査状態を示す説明図、第５
図はこの考案の請求項３に係る走査装置を示す断
面図、第６図は同装置による走査状態を示す説明
図、第７図は従来型の走査装置を示す説明図、第
８図は同装置による走査状態を示す説明図である
。
｛１ａ〜１ｆ，５ａ〜５ｆ，８ａ，８ｂ｝……ミ
ラー面、２，６，９……回転軸、Ｃ……中心軸。
Fig. 1 is a plan view showing a scanning device according to claim 1 of this invention, Fig. 2 is an explanatory diagram showing a scanning state when the scanning device shown in Fig. 1 is used, and Fig. 3 is a claim of this invention. FIG. 4 is a plan view showing the scanning device according to item 2; FIG. 4 is an explanatory diagram showing the scanning state of the device; FIG.
The figure is a sectional view showing a scanning device according to claim 3 of this invention, FIG. 6 is an explanatory view showing a scanning state by the same device, FIG. 7 is an explanatory view showing a conventional scanning device, and FIG. FIG. 3 is an explanatory diagram showing a scanning state by the device. {1a-1f, 5a-5f, 8a, 8b}... Mirror surface, 2, 6, 9... Rotation axis, C... Central axis.
Claims (1)
して所定方向に走査しながら投光するポリゴンミ
ラーを備えたバーコードリーダの走査装置であつ
て、 前記ポリゴンミラーを形成する各ミラーが回転
軸を中心とする一定半径の円周面からずれた位置
に設けられていることを特徴とするバーコードリ
ーダの走査装置。 ２ ポリゴンミラーの回転軸が中心軸線から変位
していることを特徴とする請求項１に記載のバー
コードリーダの走査装置。 ３ ポリゴンミラーを形成する各ミラーの配設面
方向が回転軸方向に対して平行ではないことを特
徴とする請求項１又は２に記載のバーコードリー
ダの走査装置。[Claims for Utility Model Registration] 1. A scanning device for a barcode reader equipped with a polygon mirror that projects light emitted from a light source while scanning the barcode label in a predetermined direction, the polygon mirror forming the polygon mirror. 1. A scanning device for a barcode reader, wherein each mirror is disposed at a position offset from a circumferential surface of a constant radius centered on a rotation axis. 2. The barcode reader scanning device according to claim 1, wherein the rotation axis of the polygon mirror is displaced from the central axis. 3. The scanning device for a barcode reader according to claim 1 or 2, wherein the direction of the arrangement surface of each mirror forming the polygon mirror is not parallel to the direction of the rotation axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9584290U JPH0455664U (en) | 1990-09-12 | 1990-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9584290U JPH0455664U (en) | 1990-09-12 | 1990-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0455664U true JPH0455664U (en) | 1992-05-13 |
Family
ID=31834897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9584290U Pending JPH0455664U (en) | 1990-09-12 | 1990-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0455664U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01253075A (en) * | 1988-04-01 | 1989-10-09 | Nippon Electric Ind Co Ltd | Optical reader for bar code reader |
| JPH01321582A (en) * | 1988-06-23 | 1989-12-27 | Sumitomo Electric Ind Ltd | Bar code reader |
-
1990
- 1990-09-12 JP JP9584290U patent/JPH0455664U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01253075A (en) * | 1988-04-01 | 1989-10-09 | Nippon Electric Ind Co Ltd | Optical reader for bar code reader |
| JPH01321582A (en) * | 1988-06-23 | 1989-12-27 | Sumitomo Electric Ind Ltd | Bar code reader |