JPH0658500B2 - レンズ停止位置制御方法 - Google Patents

レンズ停止位置制御方法

Info

Publication number
JPH0658500B2
JPH0658500B2 JP59186210A JP18621084A JPH0658500B2 JP H0658500 B2 JPH0658500 B2 JP H0658500B2 JP 59186210 A JP59186210 A JP 59186210A JP 18621084 A JP18621084 A JP 18621084A JP H0658500 B2 JPH0658500 B2 JP H0658500B2
Authority
JP
Japan
Prior art keywords
lens
state
pattern
point
lens movement
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.)
Expired - Fee Related
Application number
JP59186210A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6163829A (ja
Inventor
憲英 国川
徹也 近藤
康正 大場
充宏 松岡
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.)
Sharp Corp
Mahle Electric Drive Systems Co Ltd
Original Assignee
Kokusan Denki Co Ltd
Sharp Corp
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 Kokusan Denki Co Ltd, Sharp Corp filed Critical Kokusan Denki Co Ltd
Priority to JP59186210A priority Critical patent/JPH0658500B2/ja
Priority to DE19853531428 priority patent/DE3531428A1/de
Priority to US06/772,436 priority patent/US4647191A/en
Publication of JPS6163829A publication Critical patent/JPS6163829A/ja
Publication of JPH0658500B2 publication Critical patent/JPH0658500B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03G15/041—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 variable magnification

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Lens Barrels (AREA)
JP59186210A 1984-09-05 1984-09-05 レンズ停止位置制御方法 Expired - Fee Related JPH0658500B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP59186210A JPH0658500B2 (ja) 1984-09-05 1984-09-05 レンズ停止位置制御方法
DE19853531428 DE3531428A1 (de) 1984-09-05 1985-09-03 Verfahren zur steuerung der linsen-anhalteposition in einem kopiergeraet
US06/772,436 US4647191A (en) 1984-09-05 1985-09-04 Method of controlling a lens stop position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59186210A JPH0658500B2 (ja) 1984-09-05 1984-09-05 レンズ停止位置制御方法

Publications (2)

Publication Number Publication Date
JPS6163829A JPS6163829A (ja) 1986-04-02
JPH0658500B2 true JPH0658500B2 (ja) 1994-08-03

Family

ID=16184292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59186210A Expired - Fee Related JPH0658500B2 (ja) 1984-09-05 1984-09-05 レンズ停止位置制御方法

Country Status (3)

Country Link
US (1) US4647191A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH0658500B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3531428A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62100778A (ja) * 1985-10-28 1987-05-11 Mita Ind Co Ltd 倍率設定方式
JP2582411B2 (ja) * 1987-07-30 1997-02-19 三田工業株式会社 画像形成装置におけるレンズ制御方法
JP2834766B2 (ja) * 1988-11-09 1998-12-14 株式会社リコー 画像形成装置における変倍露光装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029099B2 (ja) * 1980-02-25 1985-07-09 大日本スクリ−ン製造株式会社 投影装置の常焦点投影倍率変更方法及びその装置
JPS6239394Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1981-03-19 1987-10-07
JPS5825663A (ja) * 1981-08-08 1983-02-15 Canon Inc 複写装置
US4521100A (en) * 1982-06-28 1985-06-04 Canon Kabushiki Kaisha Variable magnification image forming apparatus
JPS59125718A (ja) * 1983-01-06 1984-07-20 Canon Inc 複写装置

Also Published As

Publication number Publication date
DE3531428A1 (de) 1986-03-13
DE3531428C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-04-12
JPS6163829A (ja) 1986-04-02
US4647191A (en) 1987-03-03

Similar Documents

Publication Publication Date Title
US5200860A (en) Lens position control device
US5250884A (en) Drive controlling apparatus
JPH05154681A (ja) レーザ加工機における光路長固定装置
JP2794595B2 (ja) 電動合焦装置
JPH0658500B2 (ja) レンズ停止位置制御方法
JP2582411B2 (ja) 画像形成装置におけるレンズ制御方法
JP2582212B2 (ja) ウエブ移動制御装置のセンサ位置決め方法
JPH0664490B2 (ja) フルクローズドループ制御式の数値制御方法
JPS61116342A (ja) レンズ位置制御方法
JP3578634B2 (ja) 円弧状指令の作成方法
JPS6098458A (ja) 複写機の駆動タイミング発生装置
US5113218A (en) Electrophotographic machine with control means responsive to set magnification ratio and focal length
JP2698137B2 (ja) 複写機のレンズホーミング制御方法
JPH0377507B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP3129549B2 (ja) レンズ駆動制御装置における初期化装置
JP2765761B2 (ja) レンズ位置制御装置
JPH0377502B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP3556390B2 (ja) 画像形成装置の光学系の駆動方法
JP2524171Y2 (ja) 変倍複写機
JPH0810290B2 (ja) ズームレンズシステムとズーム駆動方法
JPS62293212A (ja) 光軸調整装置
JPH0652375B2 (ja) 光像投影レンズの位置制御装置
JPH07117638B2 (ja) 振動波モータを用いたレンズ系駆動装置
JPH0133416B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0581006B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees