JPH0546926B2 - - Google Patents

Info

Publication number
JPH0546926B2
JPH0546926B2 JP242884A JP242884A JPH0546926B2 JP H0546926 B2 JPH0546926 B2 JP H0546926B2 JP 242884 A JP242884 A JP 242884A JP 242884 A JP242884 A JP 242884A JP H0546926 B2 JPH0546926 B2 JP H0546926B2
Authority
JP
Japan
Prior art keywords
drive
motor
brushless
coil
circuit
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
JP242884A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60146207A (ja
Inventor
Michihiro Kugioka
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.)
Canon Inc
Canon Precision Inc
Original Assignee
Canon Inc
Canon Precision Inc
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 Canon Inc, Canon Precision Inc filed Critical Canon Inc
Priority to JP242884A priority Critical patent/JPS60146207A/ja
Priority to US06/686,150 priority patent/US4639084A/en
Publication of JPS60146207A publication Critical patent/JPS60146207A/ja
Publication of JPH0546926B2 publication Critical patent/JPH0546926B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
JP242884A 1984-01-10 1984-01-10 ステップ駆動とブラシレス駆動を切換え可能なモーター制御装置 Granted JPS60146207A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP242884A JPS60146207A (ja) 1984-01-10 1984-01-10 ステップ駆動とブラシレス駆動を切換え可能なモーター制御装置
US06/686,150 US4639084A (en) 1984-01-10 1984-12-26 Lens barrel in which motor capable of selecting stepping drive or brushless drive is provided

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP242884A JPS60146207A (ja) 1984-01-10 1984-01-10 ステップ駆動とブラシレス駆動を切換え可能なモーター制御装置

Publications (2)

Publication Number Publication Date
JPS60146207A JPS60146207A (ja) 1985-08-01
JPH0546926B2 true JPH0546926B2 (de) 1993-07-15

Family

ID=11528985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP242884A Granted JPS60146207A (ja) 1984-01-10 1984-01-10 ステップ駆動とブラシレス駆動を切換え可能なモーター制御装置

Country Status (1)

Country Link
JP (1) JPS60146207A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4739681B2 (ja) 2004-02-05 2011-08-03 パナソニック株式会社 鏡筒
US7414801B2 (en) 2004-05-28 2008-08-19 Matsushita Electric Industrial Co., Ltd. Lens barrel and image pickup device including lens barrel
CN100437324C (zh) * 2005-09-02 2008-11-26 富准精密工业(深圳)有限公司 镜头嵌入式马达结构

Also Published As

Publication number Publication date
JPS60146207A (ja) 1985-08-01

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term