JPS594520U - hologram scanner - Google Patents

hologram scanner

Info

Publication number
JPS594520U
JPS594520U JP9749582U JP9749582U JPS594520U JP S594520 U JPS594520 U JP S594520U JP 9749582 U JP9749582 U JP 9749582U JP 9749582 U JP9749582 U JP 9749582U JP S594520 U JPS594520 U JP S594520U
Authority
JP
Japan
Prior art keywords
hologram
mirror
incident
article
bragg angle
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.)
Granted
Application number
JP9749582U
Other languages
Japanese (ja)
Other versions
JPH036889Y2 (en
Inventor
池田　弘之
文雄 山岸
行造 山崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP9749582U priority Critical patent/JPS594520U/en
Publication of JPS594520U publication Critical patent/JPS594520U/en
Application granted granted Critical
Publication of JPH036889Y2 publication Critical patent/JPH036889Y2/ja
Granted legal-status Critical Current

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  • Mechanical Optical Scanning Systems (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来のホログラムスキャナを用いたバーコード
読取り装置の概略構成図、第２図は本考案によるホログ
ラムスキャナを用いたバーコード読取り装置の概略構成
図である。 １・・・透過型ホログラムディスク（ホログラム）、２
・・・モータ、３・・・ミラー、４・・・読取り窓、５
・・・バーコードシンボル、１１・・・再生用入射光Ｃ
２・・・再生光（走査光）、１３・・・反射信号光、４
．・・・収束信号光。FIG. 1 is a schematic diagram of a barcode reading device using a conventional hologram scanner, and FIG. 2 is a schematic diagram of a barcode reading device using a hologram scanner according to the present invention. 1...Transmission type hologram disk (hologram), 2
...Motor, 3...Mirror, 4...Reading window, 5
... Barcode symbol, 11 ... Incident light C for reproduction
2... Reproduction light (scanning light), 13... Reflected signal light, 4
．． ...Convergent signal light.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ホログラムに再生用入射光をブラッグ角で入射させて再
生した走査光をミラーで反射させて物品を走査し、該物
品からの反射信号光を再び前記ミラーで反射してホログ
ラムにブラッグ角で再入射する艷式のホログラムスキャ
ナにおいて、前記物品からの反射信号光の少なくとも一
部がホログラムを非ブラッグ角条件下で透過してミラー
に入射、するように構成したことを特徴とするホログラ
ム−スキャナ。The incident light for reproduction is incident on the hologram at the Bragg angle, the reproduced scanning light is reflected by a mirror to scan the article, and the reflected signal light from the article is reflected again by the mirror and re-incident on the hologram at the Bragg angle. What is claimed is: 1. A barge-type hologram scanner, characterized in that at least a portion of the reflected signal light from the article passes through the hologram under non-Bragg angle conditions and enters the mirror.
JP9749582U 1982-06-30 1982-06-30 hologram scanner Granted JPS594520U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9749582U JPS594520U (en) 1982-06-30 1982-06-30 hologram scanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9749582U JPS594520U (en) 1982-06-30 1982-06-30 hologram scanner

Publications (2)

Publication Number Publication Date
JPS594520U true JPS594520U (en) 1984-01-12
JPH036889Y2 JPH036889Y2 (en) 1991-02-21

Family

ID=30231885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9749582U Granted JPS594520U (en) 1982-06-30 1982-06-30 hologram scanner

Country Status (1)

Country Link
JP (1) JPS594520U (en)

Also Published As

Publication number Publication date
JPH036889Y2 (en) 1991-02-21

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