JPS5617841A - Two-sheet feed detector for printing machine - Google Patents

Two-sheet feed detector for printing machine

Info

Publication number
JPS5617841A
JPS5617841A JP9077979A JP9077979A JPS5617841A JP S5617841 A JPS5617841 A JP S5617841A JP 9077979 A JP9077979 A JP 9077979A JP 9077979 A JP9077979 A JP 9077979A JP S5617841 A JPS5617841 A JP S5617841A
Authority
JP
Japan
Prior art keywords
paper
permeable light
light
permeable
circuit
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
JP9077979A
Other languages
English (en)
Inventor
Yoshinori Motokawa
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.)
Ryobi Ltd
Original Assignee
Ryobi 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 Ryobi Ltd filed Critical Ryobi Ltd
Priority to JP9077979A priority Critical patent/JPS5617841A/ja
Publication of JPS5617841A publication Critical patent/JPS5617841A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Controlling Sheets Or Webs (AREA)
JP9077979A 1979-07-16 1979-07-16 Two-sheet feed detector for printing machine Pending JPS5617841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9077979A JPS5617841A (en) 1979-07-16 1979-07-16 Two-sheet feed detector for printing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9077979A JPS5617841A (en) 1979-07-16 1979-07-16 Two-sheet feed detector for printing machine

Publications (1)

Publication Number Publication Date
JPS5617841A true JPS5617841A (en) 1981-02-20

Family

ID=14008083

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9077979A Pending JPS5617841A (en) 1979-07-16 1979-07-16 Two-sheet feed detector for printing machine

Country Status (1)

Country Link
JP (1) JPS5617841A (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942002A (ja) * 1972-05-19 1974-04-20
JPS5440475A (en) * 1977-09-05 1979-03-29 Uchida Yoko Kk Device of detecting excess feed of sheet

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942002A (ja) * 1972-05-19 1974-04-20
JPS5440475A (en) * 1977-09-05 1979-03-29 Uchida Yoko Kk Device of detecting excess feed of sheet

Similar Documents

Publication Publication Date Title
JPS5622424A (en) Original size detecting unit of copying machine
US4428041A (en) Device for preventing irregular supplying of printing sheets for printing machine
JPS5640576A (en) Sheet setting method for automatic sheet feeder in printer
JPS54126041A (en) Automatic scale changeable copier
JPS57115542A (en) Loop control device for picture printer
JPS5617841A (en) Two-sheet feed detector for printing machine
JPS5226831A (en) Paper feed device
JPS54126042A (en) Automatic scale changeable copier
JPS5269633A (en) Detector for absence of paper
JPS5533211A (en) Form feeder
JPS5344032A (en) Control means for paper feed roller in paper feed device
JPS5591259A (en) Reading device
JPS54162929A (en) Sheet cut control system
JPS5525087A (en) Paper clogging detector in scanning copying machine
JPS5678742A (en) Paper-feeding device
JPS522429A (en) Film notcher
JPS5552842A (en) Poor paper delivery detector for sheet fed printing press
JPS5233540A (en) Detector for extraordinary feed of copy paper
JPS5757138A (en) Peper feeding pressure adjusting apparatus
JPS54110021A (en) Paper processing device
JPS6414069A (en) Printer equipped with paper size automatic setting function
JPS57132166A (en) Controller for automatic original feeder of copying machine with sorter
JPS5713585A (en) Paper feed error detecting device
JPS55578A (en) Jam detector
JPS6481937A (en) Rolled photosensitive material rear end detecting device for automatic photographic printing device