JPH0284967U - - Google Patents

Info

Publication number
JPH0284967U
JPH0284967U JP16480088U JP16480088U JPH0284967U JP H0284967 U JPH0284967 U JP H0284967U JP 16480088 U JP16480088 U JP 16480088U JP 16480088 U JP16480088 U JP 16480088U JP H0284967 U JPH0284967 U JP H0284967U
Authority
JP
Japan
Prior art keywords
barcode
reading device
optical scanning
scanning means
diffraction grating
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
JP16480088U
Other languages
English (en)
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 JP16480088U priority Critical patent/JPH0284967U/ja
Publication of JPH0284967U publication Critical patent/JPH0284967U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の一実施例のバーコード読取り
装置の光学系の配置図、第２図は回折格子の正面
図、第３図は回折格子によつて得られるスポツト
の形状を示す図、第４図はバーコード上における
走査光の状態を示す図である。 １……バーコード読取り装置、２……バーコー
ド、５……半導体レーザ、７……回折格子、９…
…回転ミラー。

Claims (1)

  1. 【実用新案登録請求の範囲】 光源からの光を光走査手段に導き、この光走査
    手段によつてバーコードを光走査してバーコード
    の内容を読取るバーコード読取り装置において、 前記光源と光走査手段の間の光路の途中に回折
    格子を設けたことを特徴とするバーコード読取り
    装置。
JP16480088U 1988-12-19 1988-12-19 Pending JPH0284967U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16480088U JPH0284967U (ja) 1988-12-19 1988-12-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16480088U JPH0284967U (ja) 1988-12-19 1988-12-19

Publications (1)

Publication Number Publication Date
JPH0284967U true JPH0284967U (ja) 1990-07-03

Family

ID=31450714

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16480088U Pending JPH0284967U (ja) 1988-12-19 1988-12-19

Country Status (1)

Country Link
JP (1) JPH0284967U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57111509A (en) * 1980-12-29 1982-07-12 Nippon Telegr & Teleph Corp <Ntt> Fine space positioning device of information retrieval device
JPS636525B2 (ja) * 1985-12-28 1988-02-10 Narisu Keshohin Kk

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57111509A (en) * 1980-12-29 1982-07-12 Nippon Telegr & Teleph Corp <Ntt> Fine space positioning device of information retrieval device
JPS636525B2 (ja) * 1985-12-28 1988-02-10 Narisu Keshohin Kk

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