JPS5748547A - Jam detecting apparatus - Google Patents

Jam detecting apparatus

Info

Publication number
JPS5748547A
JPS5748547A JP12079080A JP12079080A JPS5748547A JP S5748547 A JPS5748547 A JP S5748547A JP 12079080 A JP12079080 A JP 12079080A JP 12079080 A JP12079080 A JP 12079080A JP S5748547 A JPS5748547 A JP S5748547A
Authority
JP
Japan
Prior art keywords
switch
flop
flip
jam
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
JP12079080A
Other languages
Japanese (ja)
Inventor
Arata Umeda
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 JP12079080A priority Critical patent/JPS5748547A/en
Publication of JPS5748547A publication Critical patent/JPS5748547A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To obtain a simple minaturized structure by constituting a jam detecting apparatus from a pulse generator, two detectors, and a delaying means and judging a jam from the related data of the output time.
CONSTITUTION: A pulse generator is constituted of the disc 4 having slit fixed on a driving roller 2 and a photointerrupter 5, and detector switches SW1 and SW2 are arranged at the inlet part and the outlet part of a transport apparatus. A shift register 6 is arranged for delaying the paper detecting signal from the switch SW1 by a prescribed time t1, and connected to a multivibrator 10 through multivibrators 7 and 8 an OR-circuit 9. On the other hand, the paper detecting signal from the switch SW2 is connected to a D flip-flop 16 through multivibrators 11 and 12, OR- circuit 13, and a flip flop 14. When a paper is jammed at the switch SW1 or SW2, the D flip-flop 16 transmits alarm signal.
COPYRIGHT: (C)1982,JPO&Japio
JP12079080A 1980-09-01 1980-09-01 Jam detecting apparatus Pending JPS5748547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12079080A JPS5748547A (en) 1980-09-01 1980-09-01 Jam detecting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12079080A JPS5748547A (en) 1980-09-01 1980-09-01 Jam detecting apparatus

Publications (1)

Publication Number Publication Date
JPS5748547A true JPS5748547A (en) 1982-03-19

Family

ID=14795057

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12079080A Pending JPS5748547A (en) 1980-09-01 1980-09-01 Jam detecting apparatus

Country Status (1)

Country Link
JP (1) JPS5748547A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6426654U (en) * 1987-08-10 1989-02-15
JP2009073644A (en) * 2007-09-21 2009-04-09 Sharp Corp Sheet member conveying device, automatic document conveying device using the same, and document reading device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6426654U (en) * 1987-08-10 1989-02-15
JP2009073644A (en) * 2007-09-21 2009-04-09 Sharp Corp Sheet member conveying device, automatic document conveying device using the same, and document reading device

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