JPS56125758A - Speed controlling device for electrophotographic copier - Google Patents

Speed controlling device for electrophotographic copier

Info

Publication number
JPS56125758A
JPS56125758A JP2907880A JP2907880A JPS56125758A JP S56125758 A JPS56125758 A JP S56125758A JP 2907880 A JP2907880 A JP 2907880A JP 2907880 A JP2907880 A JP 2907880A JP S56125758 A JPS56125758 A JP S56125758A
Authority
JP
Japan
Prior art keywords
speed
driving motor
amplifier
output
change
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
JP2907880A
Other languages
English (en)
Inventor
Takehiro Yoshimura
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 JP2907880A priority Critical patent/JPS56125758A/ja
Publication of JPS56125758A publication Critical patent/JPS56125758A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/522—Projection optics
    • G03B27/525—Projection optics for slit exposure
    • G03B27/526—Projection optics for slit exposure in which the projection optics move

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP2907880A 1980-03-10 1980-03-10 Speed controlling device for electrophotographic copier Pending JPS56125758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2907880A JPS56125758A (en) 1980-03-10 1980-03-10 Speed controlling device for electrophotographic copier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2907880A JPS56125758A (en) 1980-03-10 1980-03-10 Speed controlling device for electrophotographic copier

Publications (1)

Publication Number Publication Date
JPS56125758A true JPS56125758A (en) 1981-10-02

Family

ID=12266302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2907880A Pending JPS56125758A (en) 1980-03-10 1980-03-10 Speed controlling device for electrophotographic copier

Country Status (1)

Country Link
JP (1) JPS56125758A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136059A (ja) * 1982-02-08 1983-08-12 Fuji Xerox Co Ltd 複写機の速度制御装置
JPS61261754A (ja) * 1985-05-16 1986-11-19 Shinko Electric Co Ltd 画像形成装置
JP2013225044A (ja) * 2012-04-23 2013-10-31 Ricoh Co Ltd 画像形成装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136059A (ja) * 1982-02-08 1983-08-12 Fuji Xerox Co Ltd 複写機の速度制御装置
JPS61261754A (ja) * 1985-05-16 1986-11-19 Shinko Electric Co Ltd 画像形成装置
JP2013225044A (ja) * 2012-04-23 2013-10-31 Ricoh Co Ltd 画像形成装置

Similar Documents

Publication Publication Date Title
JPS56125758A (en) Speed controlling device for electrophotographic copier
JPS5534878A (en) Device for controlling speed of motor
JPS5753759A (en) Speed controller of electronic photographic copying machine
JPS56140789A (en) Color balance control circuit
JPS5690452A (en) Reel control system
JPS56169406A (en) Level adjuster
JPS55144789A (en) Variable speed control device
JPS56125757A (en) Speed controlling device for electrophotographic copier
JPS56123557A (en) Speed controller for electric photocopy machine
JPS5379453A (en) Automatic gain control system
JPS55166704A (en) Position control system
JPS5528160A (en) Servo mechanism
JPS55138105A (en) Automatic control system
JPS55166702A (en) Control system for traveling body
JPS54102507A (en) Motor drive circuit
JPS5511489A (en) Speed controlling system for winding and unwinding of metallic strip
JPS56129598A (en) Nonlinear speed regulation control system for electric governor
JPS55106093A (en) Acceleration control system for dc servo motor
JPS5738260A (en) Device for controlling speed of winder
JPS57100649A (en) Controller for running speed of magnetic tape
JPS5455109A (en) Controller for signal level
JPS5698384A (en) Speed control system for motor
JPS5612887A (en) Constant output control device for motor
JPS5277328A (en) Automatic retarder system for vehicles
JPS5644397A (en) Controller for induction motor