JPS611157U - Light transmittance measuring device - Google Patents

Light transmittance measuring device

Info

Publication number
JPS611157U
JPS611157U JP8708884U JP8708884U JPS611157U JP S611157 U JPS611157 U JP S611157U JP 8708884 U JP8708884 U JP 8708884U JP 8708884 U JP8708884 U JP 8708884U JP S611157 U JPS611157 U JP S611157U
Authority
JP
Japan
Prior art keywords
light
light transmittance
measuring device
amplifier
receiving
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
JP8708884U
Other languages
Japanese (ja)
Inventor
正弘 荒木
弘之 西村
智 宮川
裕 城井
Original Assignee
オムロン株式会社
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 オムロン株式会社 filed Critical オムロン株式会社
Priority to JP8708884U priority Critical patent/JPS611157U/en
Publication of JPS611157U publication Critical patent/JPS611157U/en
Pending legal-status Critical Current

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  • Investigating Or Analysing Materials By Optical Means (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 the drawing]

第１図はこの考案の一実施例を示す回路図である。 第２図は従来の光透過度測定装置を示す回路図である。 図において、１は光源、２ａおよび２ｂは受光素子、３
は印刷物、４は差動増幅器、５は演算増幅器、７はバイ
アスレベル調整回路を示す。FIG. 1 is a circuit diagram showing an embodiment of this invention. FIG. 2 is a circuit diagram showing a conventional light transmittance measuring device. In the figure, 1 is a light source, 2a and 2b are light receiving elements, 3
4 is a printed matter, 4 is a differential amplifier, 5 is an operational amplifier, and 7 is a bias level adjustment circuit.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）或る物体の光の透過度を測定するための光透過度
測定装置であって、 前記物体に光を照射するための光源と、 前記物体を透過してくる光を受光し、かつそれぞれの受
光感度が異なるように設定されている２個の受光素ネと
、 前記２個の受光素子の出力レベルの差を求めるための差
動増幅器と、 前記差動増幅器の出力を増幅するための増幅器と、 前記増幅器のバイアスレベルを調整するためのバイアス
調整手段とを備える、光透過度測定装置。(1) A light transmittance measurement device for measuring the light transmittance of a certain object, comprising: a light source for irradiating the object with light; a light source for receiving light transmitted through the object; and two light-receiving elements whose respective light-receiving sensitivities are set to be different; a differential amplifier for determining the difference in output level of the two light-receiving elements; and amplifying the output of the differential amplifier. An optical transmittance measurement device comprising: an amplifier; and bias adjustment means for adjusting a bias level of the amplifier. （２） 前記或る物体は、印刷物である、実用新案登
録請求の範囲第１項記載の光透過度測定装置。(2) The light transmittance measuring device according to claim 1, wherein the certain object is a printed matter.
JP8708884U 1984-06-11 1984-06-11 Light transmittance measuring device Pending JPS611157U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8708884U JPS611157U (en) 1984-06-11 1984-06-11 Light transmittance measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8708884U JPS611157U (en) 1984-06-11 1984-06-11 Light transmittance measuring device

Publications (1)

Publication Number Publication Date
JPS611157U true JPS611157U (en) 1986-01-07

Family

ID=30638986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8708884U Pending JPS611157U (en) 1984-06-11 1984-06-11 Light transmittance measuring device

Country Status (1)

Country Link
JP (1) JPS611157U (en)

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