JPS61133860U - - Google Patents
Info
- Publication number
- JPS61133860U JPS61133860U JP1438285U JP1438285U JPS61133860U JP S61133860 U JPS61133860 U JP S61133860U JP 1438285 U JP1438285 U JP 1438285U JP 1438285 U JP1438285 U JP 1438285U JP S61133860 U JPS61133860 U JP S61133860U
- Authority
- JP
- Japan
- Prior art keywords
- light
- emitting elements
- source section
- light source
- barcode
- 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
- 238000005286 illumination Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Description
第１図ａ〜ｄはいずれも本考案の光源部におけ
る発光素子の配列を示した平面図である。第２図
は本考案の光源部の構造を示したもので、同図ａ
は平面図、ｂは側面図である。第３図ａ，ｂはそ
れぞれ読取ヘツド部の縦断面図および横断面図で
ある。第４図ａ〜ｄは先行技術における発光素子
の配列を示した平面図、第５図はＣＣＤイメージ
センサの波長―感度特性図である。
１……基板、２……赤色領域発光ダイオード、
３……赤外領域発光ダイオード、４……シリンド
リカルレンズ、１０……光源部、１４……バーコ
ード面（バーコードラベル）、１７……受光器（
ＣＣＤイメージセンサ、受光素子）、１９……発
光素子。
1A to 1D are plan views showing the arrangement of light emitting elements in the light source section of the present invention. Figure 2 shows the structure of the light source section of the present invention.
is a plan view, and b is a side view. Figures 3a and 3b are a longitudinal and transverse sectional view of the reading head section, respectively. 4a to 4d are plan views showing the arrangement of light emitting elements in the prior art, and FIG. 5 is a wavelength-sensitivity characteristic diagram of a CCD image sensor. 1...Substrate, 2...Red region light emitting diode,
3... Infrared region light emitting diode, 4... Cylindrical lens, 10... Light source section, 14... Barcode surface (barcode label), 17... Light receiver (
CCD image sensor, light receiving element), 19... light emitting element.
Claims (1)
Ｄイメージセンサで受光してデータを認識するバ
ーコードリーダにおけるバーコード面照射用の光
源部であつて、 赤色領域の発光素子と赤外領域の発光素子をそ
れぞれ複数個混在させ線状に配列して構成したこ
とを特徴とするバーコードリーダの光源部。 ２ 上記複数個の赤色領域の発光素子と赤外領域
の発光素子は、それぞれがバーコード面上で均一
又は所定の照度分布をもつように配列されたもの
である実用新案登録請求の範囲第１項に記載のバ
ーコードリーダの光源部。[Claims for Utility Model Registration] 1 CC of reflected light or transmitted light from the barcode surface
It is a light source section for illuminating the barcode surface in a barcode reader that receives light and recognizes data with a D-image sensor, and it has a plurality of light-emitting elements in the red region and a plurality of light-emitting elements in the infrared region mixed together and arranged in a line. A light source section of a barcode reader, characterized in that the light source section is configured as follows. 2. The plurality of red region light emitting elements and infrared region light emitting elements are each arranged so as to have a uniform or predetermined illumination distribution on the barcode surface. Claim 1 of the Utility Model Registration The light source section of the barcode reader described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1438285U JPS61133860U (en) | 1985-02-04 | 1985-02-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1438285U JPS61133860U (en) | 1985-02-04 | 1985-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61133860U true JPS61133860U (en) | 1986-08-21 |
Family
ID=30499253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1438285U Pending JPS61133860U (en) | 1985-02-04 | 1985-02-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61133860U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5510163B2 (en) * | 1975-09-13 | 1980-03-14 |
-
1985
- 1985-02-04 JP JP1438285U patent/JPS61133860U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5510163B2 (en) * | 1975-09-13 | 1980-03-14 |