JP4054915B2 - ステッピングモータ制御回路、電子カメラ及びステッピングモータ制御方法 - Google Patents

ステッピングモータ制御回路、電子カメラ及びステッピングモータ制御方法 Download PDF

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Publication number
JP4054915B2
JP4054915B2 JP2003300704A JP2003300704A JP4054915B2 JP 4054915 B2 JP4054915 B2 JP 4054915B2 JP 2003300704 A JP2003300704 A JP 2003300704A JP 2003300704 A JP2003300704 A JP 2003300704A JP 4054915 B2 JP4054915 B2 JP 4054915B2
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JP
Japan
Prior art keywords
switching
stepping motor
pattern data
excitation pulse
driving
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
JP2003300704A
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English (en)
Japanese (ja)
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JP2005073411A (ja
Inventor
正輝 西本
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer 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
Priority to JP2003300704A priority Critical patent/JP4054915B2/ja
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to US10/913,983 priority patent/US7068006B2/en
Priority to CNB2004800031451A priority patent/CN100498495C/zh
Priority to PCT/JP2004/011581 priority patent/WO2005019924A1/en
Priority to EP04771556A priority patent/EP1658721B1/en
Priority to DE602004030694T priority patent/DE602004030694D1/de
Priority to KR1020057012799A priority patent/KR100737557B1/ko
Priority to TW093125442A priority patent/TWI315603B/zh
Publication of JP2005073411A publication Critical patent/JP2005073411A/ja
Application granted granted Critical
Publication of JP4054915B2 publication Critical patent/JP4054915B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Control Of Stepping Motors (AREA)
  • Lens Barrels (AREA)
JP2003300704A 2003-08-25 2003-08-26 ステッピングモータ制御回路、電子カメラ及びステッピングモータ制御方法 Expired - Fee Related JP4054915B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2003300704A JP4054915B2 (ja) 2003-08-26 2003-08-26 ステッピングモータ制御回路、電子カメラ及びステッピングモータ制御方法
CNB2004800031451A CN100498495C (zh) 2003-08-26 2004-08-05 步进电动机控制电路、电子照相机和步进电动机控制方法
PCT/JP2004/011581 WO2005019924A1 (en) 2003-08-26 2004-08-05 Stepping motor control circuit, electronic camera, and stepping motor control method
EP04771556A EP1658721B1 (en) 2003-08-26 2004-08-05 Stepping motor control circuit, electronic camera, and stepping motor control method
US10/913,983 US7068006B2 (en) 2003-08-25 2004-08-05 Stepping motor control circuit
DE602004030694T DE602004030694D1 (de) 2003-08-26 2004-08-05 Schrittmotorsteuerschaltung, elektronische kamera und schrittmotorsteuerverfahren
KR1020057012799A KR100737557B1 (ko) 2003-08-26 2004-08-05 스테핑 모터의 제어회로, 전자 카메라 및 스테핑 모터의제어방법
TW093125442A TWI315603B (en) 2003-08-26 2004-08-26 Stepping motor control circuit, electronic camera, and stepping motor control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003300704A JP4054915B2 (ja) 2003-08-26 2003-08-26 ステッピングモータ制御回路、電子カメラ及びステッピングモータ制御方法

Publications (2)

Publication Number Publication Date
JP2005073411A JP2005073411A (ja) 2005-03-17
JP4054915B2 true JP4054915B2 (ja) 2008-03-05

Family

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Family Applications (1)

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JP2003300704A Expired - Fee Related JP4054915B2 (ja) 2003-08-25 2003-08-26 ステッピングモータ制御回路、電子カメラ及びステッピングモータ制御方法

Country Status (2)

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JP (1) JP4054915B2 (zh)
CN (1) CN100498495C (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007306707A (ja) * 2006-05-11 2007-11-22 Toshiba Corp ステッピングモータ制御装置、画像形成装置、及びシーケンス制御装置
CN101271185B (zh) * 2007-03-22 2010-05-26 亚洲光学股份有限公司 镜头开机方法及其控制系统
CN101726978B (zh) * 2008-10-29 2012-09-12 精工爱普生株式会社 投影仪及投影仪的控制方法
US10191124B2 (en) * 2016-08-26 2019-01-29 Sii Semiconductor Corporation Sensor circuit
CN112946855A (zh) * 2019-12-11 2021-06-11 余姚舜宇智能光学技术有限公司 自动对焦方法和系统
CN110927922A (zh) * 2019-12-19 2020-03-27 中国科学院长春光学精密机械与物理研究所 一种光学系统快速切换倍率的装置及切换方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5899299A (ja) * 1981-12-04 1983-06-13 Fuji Xerox Co Ltd ステツプモ−タ励磁方式
JPS61240897A (ja) * 1985-04-16 1986-10-27 Canon Inc ステツプモ−タ駆動装置
US4920420A (en) * 1988-11-10 1990-04-24 Hitachi, Ltd. Automatic focusing system

Also Published As

Publication number Publication date
CN1745335A (zh) 2006-03-08
CN100498495C (zh) 2009-06-10
JP2005073411A (ja) 2005-03-17

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