JPS6189958U - - Google Patents

Info

Publication number
JPS6189958U
JPS6189958U JP1984174072U JP17407284U JPS6189958U JP S6189958 U JPS6189958 U JP S6189958U JP 1984174072 U JP1984174072 U JP 1984174072U JP 17407284 U JP17407284 U JP 17407284U JP S6189958 U JPS6189958 U JP S6189958U
Authority
JP
Japan
Prior art keywords
light
emitting element
barcode
resistance
elements
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
Application number
JP1984174072U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1984174072U priority Critical patent/JPS6189958U/ja
Publication of JPS6189958U publication Critical patent/JPS6189958U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例の回路図、第２図は本
考案の光源部の特性図、第３図ａ及びｂはそれぞ
れバーコードリーダの読取ヘツド部の縦断面図及
び横断面図、第４図ａはバーコードの一例を示す
平面図、第４図ｂは信号出力の波形図である。 １……発光素子、２……抵抗素子、１０……光
源、１０４……バーコードラベル、１５……反射
光（散乱光）、１６……光学系、１７……受光器
。 FIG. 1 is a circuit diagram of an embodiment of the present invention, FIG. 2 is a characteristic diagram of a light source section of the present invention, and FIGS. FIG. 4a is a plan view showing an example of a barcode, and FIG. 4b is a waveform diagram of signal output. DESCRIPTION OF SYMBOLS 1... Light emitting element, 2... Resistance element, 10... Light source, 104... Barcode label, 15... Reflected light (scattered light), 16... Optical system, 17... Light receiver.

Claims (1)

【実用新案登録請求の範囲】 バーコードラベル面からの反射光を受光器で受
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、 線状に発光素子列を形成する複数の発光素子と
、該発光素子のそれぞれに接続され各発光素子に
流れる電流量を制限する複数の抵抗素子とを備え
てなり、該抵抗素子の抵抗値を発光素子列の中央
部近傍のものを大きくし両端部に行くに従つて順
次小さくなるようにし、 発光素子列の各発光素子の光出力が中央部より
両端部に行くに従い増加するようにしたことを特
徴とするバーコードリーダの光源部。[Claims for Utility Model Registration] A light source section for illuminating a barcode surface in a barcode reader that recognizes data by receiving reflected light from the barcode label surface with a light receiver, which comprises a linear array of light emitting elements. A plurality of light-emitting elements are formed, and a plurality of resistance elements are connected to each of the light-emitting elements and limit the amount of current flowing through each light-emitting element, and the resistance value of the resistance element is set to a value near the center of the light-emitting element row. A barcode reader characterized in that the light emitting element array is made larger and gradually becomes smaller toward both ends, so that the light output of each light emitting element in the light emitting element array increases from the center toward both ends. Light source section.
JP1984174072U 1984-11-16 1984-11-16 Pending JPS6189958U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984174072U JPS6189958U (en) 1984-11-16 1984-11-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984174072U JPS6189958U (en) 1984-11-16 1984-11-16

Publications (1)

Publication Number Publication Date
JPS6189958U true JPS6189958U (en) 1986-06-11

Family

ID=30731701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984174072U Pending JPS6189958U (en) 1984-11-16 1984-11-16

Country Status (1)

Country Link
JP (1) JPS6189958U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4851546A (en) * 1971-10-27 1973-07-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4851546A (en) * 1971-10-27 1973-07-19

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