JPH0177941U - - Google Patents

Info

Publication number
JPH0177941U
JPH0177941U JP1987173929U JP17392987U JPH0177941U JP H0177941 U JPH0177941 U JP H0177941U JP 1987173929 U JP1987173929 U JP 1987173929U JP 17392987 U JP17392987 U JP 17392987U JP H0177941 U JPH0177941 U JP H0177941U
Authority
JP
Japan
Prior art keywords
light
sheet material
reflected
receiving means
paper
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
JP1987173929U
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 JP1987173929U priority Critical patent/JPH0177941U/ja
Publication of JPH0177941U publication Critical patent/JPH0177941U/ja
Priority to US07/555,293 priority patent/US5081484A/en
Pending legal-status Critical Current

Links

Landscapes

  • Handling Of Cut Paper (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Sorting Of Articles (AREA)
  • Handling Of Sheets (AREA)

Description

【図面の簡単な説明】
第１図及び第２図は本考案を具体化した実施例
を示すもので、第１図は本考案の構成図であり、
第２図は本考案を実施した複写機の断面図である
。 ２６…投光器、２７…受光器、２９…顕色紙。

Claims (1)

  1. 【実用新案登録請求の範囲】 感熱紙、顕色紙等の表裏の区別のあるシート材
    ２９の少なくとも一方の面に光を照射する投光手
    段２６と、 前記シート材２９によつて反射した反射光を受
    光する受光手段２７と、 前記受光手段２７によつて受光された光の光量
    あるいは波長の少なくとも一方に関連してシート
    材２９の表裏及び有無を判断する判断手段とを有
    することを特徴とするシート材検出装置。
JP1987173929U 1987-03-01 1987-11-13 Pending JPH0177941U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987173929U JPH0177941U (ja) 1987-11-13 1987-11-13
US07/555,293 US5081484A (en) 1987-03-01 1990-07-19 Image recording medium and detecting device therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987173929U JPH0177941U (ja) 1987-11-13 1987-11-13

Publications (1)

Publication Number Publication Date
JPH0177941U true JPH0177941U (ja) 1989-05-25

Family

ID=31465807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987173929U Pending JPH0177941U (ja) 1987-03-01 1987-11-13

Country Status (1)

Country Link
JP (1) JPH0177941U (ja)

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