JPH0377502B2 - - Google Patents

Info

Publication number
JPH0377502B2
JPH0377502B2 JP57116459A JP11645982A JPH0377502B2 JP H0377502 B2 JPH0377502 B2 JP H0377502B2 JP 57116459 A JP57116459 A JP 57116459A JP 11645982 A JP11645982 A JP 11645982A JP H0377502 B2 JPH0377502 B2 JP H0377502B2
Authority
JP
Japan
Prior art keywords
scanning
scanning system
counting means
counting
backward
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 - Lifetime
Application number
JP57116459A
Other languages
English (en)
Japanese (ja)
Other versions
JPS597355A (ja
Inventor
Masayuki Hayashi
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 JP57116459A priority Critical patent/JPS597355A/ja
Publication of JPS597355A publication Critical patent/JPS597355A/ja
Publication of JPH0377502B2 publication Critical patent/JPH0377502B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Control Or Security For Electrophotography (AREA)
JP57116459A 1982-07-05 1982-07-05 往復走査駆動装置 Granted JPS597355A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57116459A JPS597355A (ja) 1982-07-05 1982-07-05 往復走査駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57116459A JPS597355A (ja) 1982-07-05 1982-07-05 往復走査駆動装置

Publications (2)

Publication Number Publication Date
JPS597355A JPS597355A (ja) 1984-01-14
JPH0377502B2 true JPH0377502B2 (en]) 1991-12-10

Family

ID=14687635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57116459A Granted JPS597355A (ja) 1982-07-05 1982-07-05 往復走査駆動装置

Country Status (1)

Country Link
JP (1) JPS597355A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159321A (ja) * 1984-08-30 1986-03-26 Sharp Corp 複写機光学系のリタ−ン速度制御方法
JPH0827566B2 (ja) * 1986-09-11 1996-03-21 富士ゼロックス株式会社 カラー原稿走査のための移動光学系の制御装置
JPH0714194B2 (ja) * 1987-06-24 1995-02-15 コニカ株式会社 画像形成装置

Also Published As

Publication number Publication date
JPS597355A (ja) 1984-01-14

Similar Documents

Publication Publication Date Title
JP3378873B2 (ja) ベルトの制御方法及び装置
US6031633A (en) Control method of scanner optical system of original image reading apparatus, motor control device and moving unit driving device of image reading apparatus
JPS63148314A (ja) セミクロ−ズドル−プサ−ボ制御系の制御装置
JPH0377502B2 (en])
JP2582411B2 (ja) 画像形成装置におけるレンズ制御方法
JPH055955A (ja) 可変縮小／拡大比を有する複写機用原稿走査装置
JPH11110045A (ja) ステッピングモータ制御装置およびステッピングモータによるビデオカメラのレンズ駆動系の制御装置
US4488798A (en) Automatic focusing device
EP0371473B1 (en) Linear driving arrangement for use in a copying apparatus
JP3696894B2 (ja) レンズ制御装置
US5187513A (en) Focusing apparatus
JP3981971B2 (ja) レンズ制御システム
JPH11170122A (ja) 位置決め制御装置
JP3306082B2 (ja) スキャナ光学系の制御方法
JPH09274127A (ja) 光学機器装置
JPS5919936A (ja) 複写機用光学系制御装置
JP2001311865A (ja) 位置・速度制御装置
JPH0652375B2 (ja) 光像投影レンズの位置制御装置
JPS63123751A (ja) ロ−ル状記録媒体の供給装置
JP3129549B2 (ja) レンズ駆動制御装置における初期化装置
JPH06242515A (ja) ガイド幅調整装置
JPH0437021A (ja) 縮小投影露光装置用高精度レテイクルオートチエンジヤ
JPS63218932A (ja) 変倍光学装置
JP2000099160A (ja) 高精度原点復帰機能を備えたパルスモータコントローラ
JP2722122B2 (ja) 位置決め装置