JPS5383740A - Papper detector - Google Patents

Papper detector

Info

Publication number
JPS5383740A
JPS5383740A JP15932376A JP15932376A JPS5383740A JP S5383740 A JPS5383740 A JP S5383740A JP 15932376 A JP15932376 A JP 15932376A JP 15932376 A JP15932376 A JP 15932376A JP S5383740 A JPS5383740 A JP S5383740A
Authority
JP
Japan
Prior art keywords
papper
detector
detection
signals
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
JP15932376A
Other languages
Japanese (ja)
Inventor
Masayuki Hayashi
Kiyoshi Ooshima
Masao Hosaka
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 JP15932376A priority Critical patent/JPS5383740A/en
Publication of JPS5383740A publication Critical patent/JPS5383740A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/171—Physical features of handled article or web
    • B65H2701/1712—Transparent

Landscapes

  • Paper Feeding For Electrophotography (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

PURPOSE: To accomplish the highly sensitive detection, whlle eliminating the surrounding influences, so as to ensure the detection of a transparent paper by comparing the electric signals of a light receiving element at the paper detecting time and the signals of a sample holding circuit, which were received previously.
COPYRIGHT: (C)1978,JPO&Japio
JP15932376A 1976-12-29 1976-12-29 Papper detector Pending JPS5383740A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15932376A JPS5383740A (en) 1976-12-29 1976-12-29 Papper detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15932376A JPS5383740A (en) 1976-12-29 1976-12-29 Papper detector

Publications (1)

Publication Number Publication Date
JPS5383740A true JPS5383740A (en) 1978-07-24

Family

ID=15691285

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15932376A Pending JPS5383740A (en) 1976-12-29 1976-12-29 Papper detector

Country Status (1)

Country Link
JP (1) JPS5383740A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5049937A (en) * 1989-04-05 1991-09-17 Minolta Camera Kabushiki Kaisha Imaging device which uses transparent or non-transparent developer based on medium used

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5049937A (en) * 1989-04-05 1991-09-17 Minolta Camera Kabushiki Kaisha Imaging device which uses transparent or non-transparent developer based on medium used

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