JPS57210367A - Image forming device - Google Patents

Image forming device

Info

Publication number
JPS57210367A
JPS57210367A JP9490181A JP9490181A JPS57210367A JP S57210367 A JPS57210367 A JP S57210367A JP 9490181 A JP9490181 A JP 9490181A JP 9490181 A JP9490181 A JP 9490181A JP S57210367 A JPS57210367 A JP S57210367A
Authority
JP
Japan
Prior art keywords
pulse motor
copying
switching
optical system
motor
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
JP9490181A
Other languages
Japanese (ja)
Other versions
JPH0423267B2 (en
Inventor
Yasufumi Tanimoto
Junji Watanabe
Toshiyuki Sogo
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9490181A priority Critical patent/JPS57210367A/en
Priority to DE8282105248T priority patent/DE3266787D1/en
Priority to EP82105248A priority patent/EP0068292B1/en
Publication of JPS57210367A publication Critical patent/JPS57210367A/en
Priority to US06/712,929 priority patent/US4586808A/en
Publication of JPH0423267B2 publication Critical patent/JPH0423267B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
    • G03G15/0435—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter

Abstract

PURPOSE:To simplify mechanisms, and to eliminate the evil influence of an impulsive load during clutch switching upon an image, by driving an optical system by a pulse motor, switching the rotational speeds of the pulse motor, and changes copying modes. CONSTITUTION:The 1st and 2nd moving mirrors are driven by a pulse motor 30 through a power transmitting mechanism. The storage device ROM 32 of the control circuit for the motor 30 is stored with data for driving which correspond to various modes, and is connected to a CPU 37, which is applied with a pulse signal from a clock generator 38. When some mode is specified through an input equipment 39, said circuit brings the pulse motor 30 under prescribed control through an energizing phase switching circuit 40. During contraction copying, the speed of an optical system is made higher than a drum speed, and during expansion copying, it is lower. Therefore, the mechanism is simplified and no evil influence of an impulsive load during clutch switching upon an image is exerted.
JP9490181A 1981-06-18 1981-06-18 Image forming device Granted JPS57210367A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9490181A JPS57210367A (en) 1981-06-18 1981-06-18 Image forming device
DE8282105248T DE3266787D1 (en) 1981-06-18 1982-06-15 Optical system drive device for image formation apparatus
EP82105248A EP0068292B1 (en) 1981-06-18 1982-06-15 Optical system drive device for image formation apparatus
US06/712,929 US4586808A (en) 1981-06-18 1985-03-15 Optical system drive for image formation apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9490181A JPS57210367A (en) 1981-06-18 1981-06-18 Image forming device

Publications (2)

Publication Number Publication Date
JPS57210367A true JPS57210367A (en) 1982-12-23
JPH0423267B2 JPH0423267B2 (en) 1992-04-21

Family

ID=14122923

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9490181A Granted JPS57210367A (en) 1981-06-18 1981-06-18 Image forming device

Country Status (1)

Country Link
JP (1) JPS57210367A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59101634A (en) * 1982-12-02 1984-06-12 Toshiba Corp Driving device
JPS60144729A (en) * 1984-01-09 1985-07-31 Toshiba Corp Original scanner

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS557771A (en) * 1978-07-04 1980-01-19 Ricoh Co Ltd Scanning device of copying machine
JPS55108652A (en) * 1979-02-14 1980-08-21 Katsuragawa Denki Kk Orignal scanning control system for slit exposure type image recorder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS557771A (en) * 1978-07-04 1980-01-19 Ricoh Co Ltd Scanning device of copying machine
JPS55108652A (en) * 1979-02-14 1980-08-21 Katsuragawa Denki Kk Orignal scanning control system for slit exposure type image recorder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59101634A (en) * 1982-12-02 1984-06-12 Toshiba Corp Driving device
JPS60144729A (en) * 1984-01-09 1985-07-31 Toshiba Corp Original scanner

Also Published As

Publication number Publication date
JPH0423267B2 (en) 1992-04-21

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