JPS5674260A - Copying machine and its peripheral apparatus - Google Patents

Copying machine and its peripheral apparatus

Info

Publication number
JPS5674260A
JPS5674260A JP15144479A JP15144479A JPS5674260A JP S5674260 A JPS5674260 A JP S5674260A JP 15144479 A JP15144479 A JP 15144479A JP 15144479 A JP15144479 A JP 15144479A JP S5674260 A JPS5674260 A JP S5674260A
Authority
JP
Japan
Prior art keywords
power source
copying machine
revolutions
source frequency
frequencies
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.)
Granted
Application number
JP15144479A
Other languages
Japanese (ja)
Other versions
JPH0145066B2 (en
Inventor
Takashi Tsutsumi
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 JP15144479A priority Critical patent/JPS5674260A/en
Publication of JPS5674260A publication Critical patent/JPS5674260A/en
Publication of JPH0145066B2 publication Critical patent/JPH0145066B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Holders For Sensitive Materials And Originals (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Control Of Ac Motors In General (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Stopping Of Electric Motors (AREA)

Abstract

PURPOSE:To make a copying machine usable as it is even in areas of different frequencies by identifying the AC power source frequency which changes the number of revolutions of a copying machine drive motor and generating a predetermined control signal. CONSTITUTION:When the AC power from an AC power source AC is supplied via a relay SSR, the number of revolutions of a motor IM changes according to the AC frequencies. This AC power is simultaneously supplied to a power source frequency identifying signal generating circuit IS via a transformer T. Then, the AC current is half-wave rectified by the diode 22, resistance 21, etc. of the circuit IS, after which it is applied to a comparator 23 connected with resistances 24-26 of predetermined resistance values, resistances 27, 28 for feedback and a diode 29, whereby the AC power source frequency is identified. The pulses of the width of the period of a positive level corresponding to the AC frequency are generated from the comparator 23 and are applied to a control part C. As a result, the control part C generates timing pulses for required controlling corresponding to the revolutions of the motor IM changing according to the AC power source frequency, thus the copying machine which is usable in areas of different AC frequencies with the same constitution is obtained.
JP15144479A 1979-11-22 1979-11-22 Copying machine and its peripheral apparatus Granted JPS5674260A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15144479A JPS5674260A (en) 1979-11-22 1979-11-22 Copying machine and its peripheral apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15144479A JPS5674260A (en) 1979-11-22 1979-11-22 Copying machine and its peripheral apparatus

Publications (2)

Publication Number Publication Date
JPS5674260A true JPS5674260A (en) 1981-06-19
JPH0145066B2 JPH0145066B2 (en) 1989-10-02

Family

ID=15518728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15144479A Granted JPS5674260A (en) 1979-11-22 1979-11-22 Copying machine and its peripheral apparatus

Country Status (1)

Country Link
JP (1) JPS5674260A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5872958A (en) * 1981-10-08 1983-05-02 オセ−ネ−デルランド・ベ−・ヴエ− Copying machine and control system therefor
JPS58134667A (en) * 1982-02-04 1983-08-10 Canon Inc Light source stabilizing device of image forming device
JPS6135159A (en) * 1984-07-24 1986-02-19 Matsushita Electric Ind Co Ltd Controller
JPS61140936A (en) * 1984-12-13 1986-06-28 Iwatsu Electric Co Ltd Control device for exposing in electrophotography

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5336366U (en) * 1976-09-03 1978-03-30
JPS53121622A (en) * 1977-03-31 1978-10-24 Ricoh Co Ltd Sequence control method of copying machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5336366U (en) * 1976-09-03 1978-03-30
JPS53121622A (en) * 1977-03-31 1978-10-24 Ricoh Co Ltd Sequence control method of copying machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5872958A (en) * 1981-10-08 1983-05-02 オセ−ネ−デルランド・ベ−・ヴエ− Copying machine and control system therefor
JPS58134667A (en) * 1982-02-04 1983-08-10 Canon Inc Light source stabilizing device of image forming device
JPH0553271B2 (en) * 1982-02-04 1993-08-09 Canon Kk
JPS6135159A (en) * 1984-07-24 1986-02-19 Matsushita Electric Ind Co Ltd Controller
JPS61140936A (en) * 1984-12-13 1986-06-28 Iwatsu Electric Co Ltd Control device for exposing in electrophotography

Also Published As

Publication number Publication date
JPH0145066B2 (en) 1989-10-02

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