JPH0269748U - - Google Patents

Info

Publication number
JPH0269748U
JPH0269748U JP14825788U JP14825788U JPH0269748U JP H0269748 U JPH0269748 U JP H0269748U JP 14825788 U JP14825788 U JP 14825788U JP 14825788 U JP14825788 U JP 14825788U JP H0269748 U JPH0269748 U JP H0269748U
Authority
JP
Japan
Prior art keywords
paper
reflection density
ocr
optical
printing ink
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
JP14825788U
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 JP14825788U priority Critical patent/JPH0269748U/ja
Publication of JPH0269748U publication Critical patent/JPH0269748U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Character Input (AREA)

Description

【図面の簡単な説明】
第1図は本考案の原理説明図、第2図は本考案
の実施例説明図、第3図は本考案のOCRテスタ
の測定説明図、第4図は反射濃度と従来のOCR
テスタにより測定されたPCS値の関係図、第5
図はPCS演算値と、従来のOCRテスタによつ
て測定したPCS値の関係図である。 1……OCRテスタ、2……光源部、3……測
定対象物、4……反射濃度測定部、5……演算部
、6……出力表示部、7……光学系部、8……変
換部。

Claims (1)

  1. 【実用新案登録請求の範囲】 光学文字認識装置(OCR=Optical
    Charac‐ter Reader)等の読取
    装置に使用する用紙および印刷された印刷インキ
    の光学特性を測定するOCRテスタにおいて、 用紙および印刷された印刷インキの反射濃度を
    測定し測定反射濃度に相当する出力信号を出力す
    る反射濃度測定部と、該反射濃度測定部の出力信
    号を演算して用紙と印字図形の相対反射率を示す
    PCS(Print Contrast Sig
    nal)値に換算する演算部とを設けて構成した
    ことを特徴とするOCRテスタ。
JP14825788U 1988-11-14 1988-11-14 Pending JPH0269748U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14825788U JPH0269748U (ja) 1988-11-14 1988-11-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14825788U JPH0269748U (ja) 1988-11-14 1988-11-14

Publications (1)

Publication Number Publication Date
JPH0269748U true JPH0269748U (ja) 1990-05-28

Family

ID=31419412

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14825788U Pending JPH0269748U (ja) 1988-11-14 1988-11-14

Country Status (1)

Country Link
JP (1) JPH0269748U (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491031U (ja) * 1972-04-01 1974-01-08
JPS5173490A (ja) * 1974-12-23 1976-06-25 Omron Tateisi Electronics Co Shikenshisokuteisochi
JPS59122070A (ja) * 1982-12-27 1984-07-14 Omron Tateisi Electronics Co Pcs測定装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491031U (ja) * 1972-04-01 1974-01-08
JPS5173490A (ja) * 1974-12-23 1976-06-25 Omron Tateisi Electronics Co Shikenshisokuteisochi
JPS59122070A (ja) * 1982-12-27 1984-07-14 Omron Tateisi Electronics Co Pcs測定装置

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