JPS6173134U - - Google Patents

Info

Publication number
JPS6173134U
JPS6173134U JP15639784U JP15639784U JPS6173134U JP S6173134 U JPS6173134 U JP S6173134U JP 15639784 U JP15639784 U JP 15639784U JP 15639784 U JP15639784 U JP 15639784U JP S6173134 U JPS6173134 U JP S6173134U
Authority
JP
Japan
Prior art keywords
voltage
optical system
motor
copying
predetermined
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
JP15639784U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP15639784U priority Critical patent/JPS6173134U/ja
Publication of JPS6173134U publication Critical patent/JPS6173134U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Variable Magnification In Projection-Type Copying Machines (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例を示す回路図、第
２図は同作用を示すタイミングチヤート、第３図
は従来の回路図、第４図は同作用を示すタイミン
グチヤートである。 １は光学系、２はステツピングモータ、６は供
給電圧切換え回路。 FIG. 1 is a circuit diagram showing an embodiment of this invention, FIG. 2 is a timing chart showing the same effect, FIG. 3 is a conventional circuit diagram, and FIG. 4 is a timing chart showing the same effect. 1 is an optical system, 2 is a stepping motor, and 6 is a supply voltage switching circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 縮倍複写の可能な複写機の光学系１を、複写倍
率に応じて回転制御されるステツピングモータ２
により所定位置へ移動させるものにおいて、上記
ステツピングモータ２を所定の自起動周波数と所
定のモータ電圧Ｖ１で駆動させ、予め設定した最
高周波数まで増速した時点で、上記モータ電圧Ｖ
１を保持電圧Ｖ２へ切換えると共に、所定位置に
光学系１が達した時点で再びモータ電圧Ｖ１へ切
換える供給電圧切換え回路６を設けてなる複写機
の光学系駆動装置。 An optical system 1 of a copying machine capable of reduction copying is controlled by a stepping motor 2 whose rotation is controlled according to the copying magnification.
The stepping motor 2 is driven at a predetermined self-starting frequency and a predetermined motor voltage V1 , and when the speed is increased to a preset maximum frequency, the motor voltage V1 is
An optical system driving device for a copying machine, which is provided with a supply voltage switching circuit 6 that switches the supply voltage from V1 to a holding voltage V2 , and again switches to the motor voltage V1 when the optical system 1 reaches a predetermined position.
JP15639784U 1984-10-18 1984-10-18 Pending JPS6173134U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15639784U JPS6173134U (en) 1984-10-18 1984-10-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15639784U JPS6173134U (en) 1984-10-18 1984-10-18

Publications (1)

Publication Number Publication Date
JPS6173134U true JPS6173134U (en) 1986-05-17

Family

ID=30714399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15639784U Pending JPS6173134U (en) 1984-10-18 1984-10-18

Country Status (1)

Country Link
JP (1) JPS6173134U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002209062A (en) * 2001-01-11 2002-07-26 Canon Inc Image reader
JP2002306867A (en) * 2001-04-18 2002-10-22 Kyushu Hitachi Maxell Ltd Small-sized electric appliance

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57211172A (en) * 1981-06-22 1982-12-24 Toshiba Corp Exposure device
JPS5911797A (en) * 1982-07-10 1984-01-21 Tadao Totsuka Driving method and device for step motor
JPS5941099B2 (en) * 1981-10-08 1984-10-04 松下電器産業株式会社 Manufacturing method of vacuum tube type solar collector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57211172A (en) * 1981-06-22 1982-12-24 Toshiba Corp Exposure device
JPS5941099B2 (en) * 1981-10-08 1984-10-04 松下電器産業株式会社 Manufacturing method of vacuum tube type solar collector
JPS5911797A (en) * 1982-07-10 1984-01-21 Tadao Totsuka Driving method and device for step motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002209062A (en) * 2001-01-11 2002-07-26 Canon Inc Image reader
JP2002306867A (en) * 2001-04-18 2002-10-22 Kyushu Hitachi Maxell Ltd Small-sized electric appliance

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