JPS5443034A - Paper detecting method - Google Patents

Paper detecting method

Info

Publication number
JPS5443034A
JPS5443034A JP10962477A JP10962477A JPS5443034A JP S5443034 A JPS5443034 A JP S5443034A JP 10962477 A JP10962477 A JP 10962477A JP 10962477 A JP10962477 A JP 10962477A JP S5443034 A JPS5443034 A JP S5443034A
Authority
JP
Japan
Prior art keywords
detecting method
paper detecting
paper
change
dielectric constant
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
JP10962477A
Other languages
Japanese (ja)
Inventor
Masayuki Hayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP10962477A priority Critical patent/JPS5443034A/en
Publication of JPS5443034A publication Critical patent/JPS5443034A/en
Pending legal-status Critical Current

Links

Landscapes

  • Controlling Sheets Or Webs (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Paper Feeding For Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE: To enable even transparent paper to be detected and achieve the improvement in stability and reliability by detecting the change of the dielectric constant of the material interposed between electrodes through change in capacitance by making use of the dielectric constant of paper.
COPYRIGHT: (C)1979,JPO&Japio
JP10962477A 1977-09-12 1977-09-12 Paper detecting method Pending JPS5443034A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10962477A JPS5443034A (en) 1977-09-12 1977-09-12 Paper detecting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10962477A JPS5443034A (en) 1977-09-12 1977-09-12 Paper detecting method

Publications (1)

Publication Number Publication Date
JPS5443034A true JPS5443034A (en) 1979-04-05

Family

ID=14514994

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10962477A Pending JPS5443034A (en) 1977-09-12 1977-09-12 Paper detecting method

Country Status (1)

Country Link
JP (1) JPS5443034A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5899744A (en) * 1981-12-10 1983-06-14 Fuji Kiki Kogyo Kk Method and appartus for detecting dielectric sheet material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5899744A (en) * 1981-12-10 1983-06-14 Fuji Kiki Kogyo Kk Method and appartus for detecting dielectric sheet material

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