JPS6065383A - Bar code reader - Google Patents
Bar code readerInfo
- Publication number
- JPS6065383A JPS6065383A JP17210083A JP17210083A JPS6065383A JP S6065383 A JPS6065383 A JP S6065383A JP 17210083 A JP17210083 A JP 17210083A JP 17210083 A JP17210083 A JP 17210083A JP S6065383 A JPS6065383 A JP S6065383A
- Authority
- JP
- Japan
- Prior art keywords
- beams
- light
- light source
- hologram
- reflected
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
- G06K7/10871—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels randomly oriented data-fields, code-marks therefore, e.g. concentric circles-code
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
Abstract
Description
【発明の詳細な説明】
発明の技術分野
本発明シフホログラムスキャナを用いたバーコード読取
装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to a barcode reading device using a Schiff hologram scanner.
従来技術と問題点
最近、スーパーマーケットのレジスタ業務を省力化する
ためにバーコード読取装置(商品の外装に印刷された異
なる幅を持ついくつかのバーを組合わせたコードを読み
取ってコンピュータに入力する装置Fj )が用いられ
るようになって米ている。Prior Art and Problems Recently, barcode reading devices (devices that read codes that are a combination of several bars of different widths printed on the exterior of a product and input them into a computer) have been developed to save labor at supermarket registers. Fj) has come to be used.
この装置にはホ11グラムを光収束素子兼光制向素子と
して用いレーザ光を収束しかつ定住するンjテログラム
スキャナが適していることから、ノ々−コード読取装い
にはこのホログラムスキ、Xすか1[」し)られること
か多い。For this device, a hologram scanner that uses a hologram as a light focusing element and a light controlling element to converge and settle the laser beam is suitable, so this hologram scanner, X I often get rejected.
第1図はバーコード読取装置へ;y木4”1り成を説明
するだめの図であり、同図において、1は外筺、。FIG. 1 is a diagram for explaining the construction of a y-tree (4") to a barcode reading device, and in the same figure, 1 is an outer casing.
2は光源としてのHe−Neレーザ、3は走配元と信号
光を分離するための穴々ンきミラー、4は複数1固のゾ
ーングレートを有するホログラムディスク、5はその駆
動モータ、6は筐体の操作面にのりられた窓、7は走査
光、8は信号−X、9は9°C検知器。2 is a He-Ne laser as a light source; 3 is a perforated mirror for separating the signal beam from the transmitting source; 4 is a hologram disk having a plurality of zone grades; 5 is its drive motor; and 6 is a hologram disk. The window mounted on the operation surface of the housing, 7 is a scanning light, 8 is a signal-X, and 9 is a 9°C detector.
10は商品の外装に印刷されたツマ−1−ドをそれぞれ
示している。Reference numerals 10 and 10 each indicate a number 1 code printed on the exterior of the product.
この装置゛の動作は穴あきミラー3′(L通った走査ブ
07がホログラムディスク4により収束かつ偏向されて
窓6.1:、jl)出射し商品上のノぐ一コード10を
走を−rる。バーコード10で変調された散乱光8は丙
びホログラムディスク4で収束され、穴あきミラー3で
反射された後光倹知器9で検出されるようになっている
。The operation of this device is such that the scanning beam 07 that has passed through the perforated mirror 3' (L) is converged and deflected by the hologram disk 4, and is emitted from the window 6.1:, jl, and scans the code 10 on the product. ru. The scattered light 8 modulated by the barcode 10 is then converged by the hologram disk 4, reflected by the perforated mirror 3, and then detected by the light detector 9.
このよつなバーコード読取装置において、読敗り1J〔
(域に、1枡〕る走査ビームの存在イ1直4″−を向上
するた′5には、ホログラムディスクの回転数を増加す
るか又t、1−光源の、依を増力[1すれば良いが、ホ
ログラムディスクの回転数の第97加はホログラムディ
スクの強1j記上限界があυ、!、/ζジ”C源金増ず
ことはコスト j二に1川;I資がある。In this standard barcode reader, reading loss is 1J [
In order to improve the presence of the scanning beam (1 square in the area) However, the 97th increase in the number of revolutions of the hologram disk is the upper limit of the strength of the hologram disk. .
)乙1」月の目[」9
本発明0.上記従来の問題点に鑑み、あlシコストアッ
プ?すずに読取領域に於ける走査ビームの存在41M率
を同上することにより1θ゛L取率を向上したパー口−
1゛読取喪随を提供することを目的とすZ)ものである
。) Otsu 1” Eye of the Moon [” 9 Invention 0. In view of the above conventional problems, is it possible to increase the cost? The presence of a scanning beam in the reading area of the tin is a per-hole that improves the 1θ゛L capture rate by increasing the 41M rate.
1) The purpose is to provide a reading experience.
発明の11グ成
そしてこの目+l’i t、j:本発明によれは、光源
と、該)を源からの光を走査するホログラムディスク金
具11itt Lで成るバーコード読取装置におい−U
、l′iil記元源からの光をハーフミラ−、ビームス
ノリツタ等の分割手段により復叔ビームに分’ill
L、 、その各ビー ム’、1 ホログラムディスクに
よジノ、1ffi査するようにしたことをliを徴とす
るバーコード11ノtjは滉ii’j ′;2:’iに
洪することによって達成される。According to the present invention, there is provided a barcode reading device comprising a light source and a hologram disk fitting 11itt L for scanning the light from the source.
, the light from the source is split into beams using a splitting means such as a half mirror or a beam snoritter.
L, , each of its beams', 1 hologram disk is scanned by a bar code 11, tj, which is marked by li, by broadcasting to 2:'i. achieved.
発明の実施例 以下1本発明実施例を図面によって詳述する。Examples of the invention Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.
第2図は本発明によるバーコード読取装置汽′(11−
説明するだめの図であり、同図において、11は筺体、
12は光源としてのI(c−Neンーデ、1;3Piハ
ーフミラ−又はビームスシリツタ、14はミラー、15
.16は走査光と1d号元金分!tipするための穴あ
きミラー、17.18は光検知器、19はホログラムデ
ィスク%20はその駆動用モータ、21は爪体の操作面
に設けられた窓、22.22’は走査)’e、23.2
3’は信号光、24は商品のバーコード全それぞれ示し
ている。FIG. 2 shows a barcode reading device according to the present invention (11-
This is a diagram for explaining purposes only, and in the diagram, 11 is a housing;
12 is an I (c-ne, 1; 3Pi half mirror or beam silicate) as a light source; 14 is a mirror; 15
.. 16 is for scanning light and 1d principal amount! A mirror with a hole for tipping, 17.18 is a photodetector, 19 is a hologram disk, 20 is a motor for driving it, 21 is a window provided on the operation surface of the claw body, 22.22' is a scanning)'e , 23.2
3' indicates a signal light, and 24 indicates the entire bar code of the product.
本実施例は第2図に示す如くハーフミラ−又はビームス
プリッタ13によって光源12からの光を分割し、その
各ビームをホログラムディスク19で走査し、その走査
光22.22’がバーコード24で5を。調さIL反射
して信号光23 、z3’ となり、−ヒれ5バ円びン
「ログ2ム−j′lスノ19を通9、ここで収来され穴
おきミラー15,16で反射した後う′0検知’r:i
17 、1.8でそれぞれ検出されるように石・つC
いる。In the present embodiment, as shown in FIG. of. The signal light beams 23 and z3' are reflected by the IL, and are collected by the mirrors 15 and 16 with holes. Back'0 detection'r:i
As detected in 17 and 1.8, respectively, stone C
There is.
この北うに構成され/ζ本′#:施πりは常に複数のC
Iglでlzl、2本)の走査光が窓21上の空間に存
在することになり、従来に比してバーコード゛を1黄切
る走111・ブCがふえ1i1’e ji!確率が同上
する。This north sea urchin is composed of / ζ book'#: The distribution is always multiple C
The scanning light beams (Igl, lzl, two) are present in the space above the window 21, and the number of scans to cut the barcode by one yellow line increases compared to the conventional method. The probabilities are the same.
発明の効果
以上、詳に1(1に説明したように本発明によるバー1
−ド読取シ・1戊は、光源からの光音複数に分割して定
住光乏する+61単な]1q成により、コストアップと
lrらず、バーコードの読取確率2回上することができ
るといった効果大なるものである。More than the effects of the invention, in detail 1 (as explained in 1), the bar 1 according to the present invention
- By dividing the light sound from the light source into multiple parts and depleting the fixed light by +61 simple ]1q configuration, the barcode reading probability can be increased by 2 times without increasing the cost. This is a great effect.
4、 1’U面のIff’! jP−な説明2!’y
11’21は従来のバーコード読取装置を説明するため
の図、7132図は本発明によるバーコード読取拵kf
: 全説明するだめの図である。4. 1'U-side If'! jP-Na explanation 2! 'y
11'21 is a diagram for explaining a conventional barcode reading device, and FIG. 7132 is a barcode reading device according to the present invention.
: This is a diagram that does not explain everything.
1′:ζ1面において、11は筐体、12は光源、13
はバーノミジー、14はミラー、15.16は穴、わき
ミラー、17,1st・よ光検知器、19 iqtホ1
」グラムデ、fスク、21は窓、22.22’は走査光
、23.23’ は直号光、24はノ々−コードとそれ
ぞれ示しCいる。1': On the ζ1 plane, 11 is the housing, 12 is the light source, 13
14 is a mirror, 15.16 is a hole, a side mirror, 17, 1st/yo light detector, 19 iqt Ho 1
21 is a window, 22.22' is a scanning light, 23.23' is a direct code light, and 24 is a no-code.
特許出願人 富士通株式会社 特許出願代理人 弁理士 青 木 明 弁理士 西 舘 第11 之 弁)呈上 内 1)幸 男 弁理士 山 1] 昭 之patent applicant Fujitsu Limited patent application agent Patent attorney Akira Aoki Patent Attorney Nishidate No. 11 1) Yukio Patent Attorney Yama 1] Akira
Claims (1)
スク全具備して成るバーコード読取装置において、前t
C光源からの光を71−フミラー、ビームスノリツタ等
の分割手段により複数ビームに分割し、その各ビーム全
ホログラムディスクによシ走査するようにしたことを特
徴とするバーコード読取装置っ1. In a barcode reading device that is equipped with a light source and a porodaram disk that scans the light from the light source,
A bar code reading device characterized in that the light from the C light source is divided into a plurality of beams by a dividing means such as a 71-fum mirror or a beam snoritter, and each of the beams is entirely scanned across a hologram disk.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17210083A JPS6065383A (en) | 1983-09-20 | 1983-09-20 | Bar code reader |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17210083A JPS6065383A (en) | 1983-09-20 | 1983-09-20 | Bar code reader |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6065383A true JPS6065383A (en) | 1985-04-15 |
Family
ID=15935539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17210083A Pending JPS6065383A (en) | 1983-09-20 | 1983-09-20 | Bar code reader |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6065383A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62119685A (en) * | 1985-11-20 | 1987-05-30 | Fujitsu Ltd | Laser beam scanning device |
WO2006033478A1 (en) * | 2004-09-23 | 2006-03-30 | Optoelectronics Co., Ltd. | A method of decoding barcode symbols and the like using multiple scanning lines |
US7243848B2 (en) | 2005-07-18 | 2007-07-17 | Optoelectronics Co. Ltd. | Optical module with accelerated reset capability |
US7311262B2 (en) | 2004-08-09 | 2007-12-25 | Optoelectronics Co., Ltd. | Method of decoding a symbol with a low contrast |
US7354000B2 (en) | 2005-05-05 | 2008-04-08 | Optoelectronics Co., Ltd. | Method and system for sensing a barcode |
US7360704B2 (en) | 2005-11-14 | 2008-04-22 | Optoelectronics Co., Ltd. | Scan engine with guiding light beams |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59114679A (en) * | 1982-12-22 | 1984-07-02 | Nec Corp | Optical signal reader |
-
1983
- 1983-09-20 JP JP17210083A patent/JPS6065383A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59114679A (en) * | 1982-12-22 | 1984-07-02 | Nec Corp | Optical signal reader |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62119685A (en) * | 1985-11-20 | 1987-05-30 | Fujitsu Ltd | Laser beam scanning device |
US7311262B2 (en) | 2004-08-09 | 2007-12-25 | Optoelectronics Co., Ltd. | Method of decoding a symbol with a low contrast |
WO2006033478A1 (en) * | 2004-09-23 | 2006-03-30 | Optoelectronics Co., Ltd. | A method of decoding barcode symbols and the like using multiple scanning lines |
JP2008513849A (en) * | 2004-09-23 | 2008-05-01 | 株式会社オプトエレクトロニクス | Method for decoding bar code symbols using a plurality of scanning lines |
JP4641315B2 (en) * | 2004-09-23 | 2011-03-02 | 株式会社オプトエレクトロニクス | Method for decoding bar code symbols using a plurality of scanning lines |
US7354000B2 (en) | 2005-05-05 | 2008-04-08 | Optoelectronics Co., Ltd. | Method and system for sensing a barcode |
US7243848B2 (en) | 2005-07-18 | 2007-07-17 | Optoelectronics Co. Ltd. | Optical module with accelerated reset capability |
US7360704B2 (en) | 2005-11-14 | 2008-04-22 | Optoelectronics Co., Ltd. | Scan engine with guiding light beams |
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