JPS59186868U - hologram reader - Google Patents

hologram reader

Info

Publication number
JPS59186868U
JPS59186868U JP8247483U JP8247483U JPS59186868U JP S59186868 U JPS59186868 U JP S59186868U JP 8247483 U JP8247483 U JP 8247483U JP 8247483 U JP8247483 U JP 8247483U JP S59186868 U JPS59186868 U JP S59186868U
Authority
JP
Japan
Prior art keywords
hologram
hologram reader
light receiving
light beam
diffracted light
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
JP8247483U
Other languages
Japanese (ja)
Other versions
JPH0342450Y2 (en
Inventor
伊藤　悟郎
俊晴 鈴木
永谷　昌之
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP8247483U priority Critical patent/JPS59186868U/en
Publication of JPS59186868U publication Critical patent/JPS59186868U/en
Application granted granted Critical
Publication of JPH0342450Y2 publication Critical patent/JPH0342450Y2/ja
Granted legal-status Critical Current

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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図は従来例を示す断面図、−第２図は本考案実施例
を示す断面図である。 ２・・・カード、３・・・ホログラム、６・・・光源、
１０・・・受光箱、１３・・・受光素子、１５・・・消
滅手段としての凹所。　　　゛FIG. 1 is a sectional view showing a conventional example, and FIG. 2 is a sectional view showing an embodiment of the present invention. 2...Card, 3...Hologram, 6...Light source,
DESCRIPTION OF SYMBOLS 10... Light receiving box, 13... Light receiving element, 15... Recessed part as an extinguishing means.゛

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ホログラムによる所定の回折光ビームを検出する受光素
子を配置した受光箱を備え、前記ホログラムによる少な
くとも１つの不要の回折光ビームを実質的に消滅させる
消滅手段を設けたことを特徴とするホログラム読取り装
置。A hologram reading device comprising a light receiving box in which a light receiving element for detecting a predetermined diffracted light beam by the hologram is arranged, and a annihilation means for substantially extinguishing at least one unnecessary diffracted light beam by the hologram. .
JP8247483U 1983-05-30 1983-05-30 hologram reader Granted JPS59186868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8247483U JPS59186868U (en) 1983-05-30 1983-05-30 hologram reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8247483U JPS59186868U (en) 1983-05-30 1983-05-30 hologram reader

Publications (2)

Publication Number Publication Date
JPS59186868U true JPS59186868U (en) 1984-12-11
JPH0342450Y2 JPH0342450Y2 (en) 1991-09-05

Family

ID=30212425

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8247483U Granted JPS59186868U (en) 1983-05-30 1983-05-30 hologram reader

Country Status (1)

Country Link
JP (1) JPS59186868U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6262321A (en) * 1985-09-13 1987-03-19 Asahi Optical Co Ltd Laser light absorber
JPS6264353A (en) * 1985-09-18 1987-03-23 旭光学工業株式会社 Output attenuation apparatus of laser treatment apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5271257A (en) * 1975-12-11 1977-06-14 Matsushita Electric Ind Co Ltd Device for reproducing hologram

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5271257A (en) * 1975-12-11 1977-06-14 Matsushita Electric Ind Co Ltd Device for reproducing hologram

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6262321A (en) * 1985-09-13 1987-03-19 Asahi Optical Co Ltd Laser light absorber
JPS6264353A (en) * 1985-09-18 1987-03-23 旭光学工業株式会社 Output attenuation apparatus of laser treatment apparatus

Also Published As

Publication number Publication date
JPH0342450Y2 (en) 1991-09-05

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