JPH01174362U - - Google Patents

Info

Publication number
JPH01174362U
JPH01174362U JP7185788U JP7185788U JPH01174362U JP H01174362 U JPH01174362 U JP H01174362U JP 7185788 U JP7185788 U JP 7185788U JP 7185788 U JP7185788 U JP 7185788U JP H01174362 U JPH01174362 U JP H01174362U
Authority
JP
Japan
Prior art keywords
section
signal
detection
conversion
conversion section
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
JP7185788U
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 JP7185788U priority Critical patent/JPH01174362U/ja
Publication of JPH01174362U publication Critical patent/JPH01174362U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Facsimiles In General (AREA)

Description

【図面の簡単な説明】
第１図は本考案によるマーク検出装置の要部ブ
ロツク図、第２図は同マーク検出装置の検出部の
検出電圧特性図、第３図は従来におけるマーク検
出装置の要部ブロツク図、第４図は従来のマーク
検出装置の検出部の検出電圧特性図である。 図中、１は紙、２は検出部、３はＡ／Ｄ変換部
、４は記憶部、５は比較部である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 反射光を利用し紙片を検出する検出部と、この
    検出部よりの信号をデジタル信号に変換するＡ／
    Ｄ変換部と、Ａ／Ｄ変換部の信号を記憶する記憶
    部と、記憶部のデータとＡ／Ｄ変換部よりの信号
    を比較し、所定差であるとき信号を出力する比較
    部とで構成されたマーク検出装置。
JP7185788U 1988-05-31 1988-05-31 Pending JPH01174362U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7185788U JPH01174362U (ja) 1988-05-31 1988-05-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7185788U JPH01174362U (ja) 1988-05-31 1988-05-31

Publications (1)

Publication Number Publication Date
JPH01174362U true JPH01174362U (ja) 1989-12-12

Family

ID=31297045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7185788U Pending JPH01174362U (ja) 1988-05-31 1988-05-31

Country Status (1)

Country Link
JP (1) JPH01174362U (ja)

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