TW200604722A - Actuator driving circuit for shutter and actuator device for shutter - Google Patents

Actuator driving circuit for shutter and actuator device for shutter

Info

Publication number
TW200604722A
TW200604722A TW094119715A TW94119715A TW200604722A TW 200604722 A TW200604722 A TW 200604722A TW 094119715 A TW094119715 A TW 094119715A TW 94119715 A TW94119715 A TW 94119715A TW 200604722 A TW200604722 A TW 200604722A
Authority
TW
Taiwan
Prior art keywords
coil current
shutter
actuator
voltage
outputting
Prior art date
Application number
TW094119715A
Other languages
English (en)
Other versions
TWI348589B (zh
Inventor
Yutaka Sasamoto
Original Assignee
Rohm 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 Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of TW200604722A publication Critical patent/TW200604722A/zh
Application granted granted Critical
Publication of TWI348589B publication Critical patent/TWI348589B/zh

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
  • Control Of Direct Current Motors (AREA)
TW094119715A 2004-06-14 2005-06-14 Actuator driving circuit for shutter and actuator device for shutter TW200604722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004176239A JP4416577B2 (ja) 2004-06-14 2004-06-14 シャッタ用アクチュエータ駆動回路及びシャッタ用アクチュエータ装置

Publications (2)

Publication Number Publication Date
TW200604722A true TW200604722A (en) 2006-02-01
TWI348589B TWI348589B (zh) 2011-09-11

Family

ID=35503229

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094119715A TW200604722A (en) 2004-06-14 2005-06-14 Actuator driving circuit for shutter and actuator device for shutter

Country Status (5)

Country Link
US (1) US7654756B2 (zh)
JP (1) JP4416577B2 (zh)
CN (1) CN100476563C (zh)
TW (1) TW200604722A (zh)
WO (1) WO2005121890A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102522940A (zh) * 2011-12-29 2012-06-27 中国科学院长春光学精密机械与物理研究所 一种一周离合制动器的驱动保护控制电路
KR101843277B1 (ko) * 2016-08-11 2018-05-14 삼성전기주식회사 보이스 코일 모터의 액추에이터 구동장치 및 구동방법

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2149106C3 (de) * 1971-09-28 1975-06-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen Steuer- und Regeleinrichtung für den Linsenstrom von Elektronenmikroskopen
US4423934A (en) * 1982-04-02 1984-01-03 Eastman Kodak Company Photographic camera with digital controller and method of manufacture
JPS59116633A (ja) * 1982-12-23 1984-07-05 Copal Co Ltd カメラ用の電磁シヤツタ
JPS6146708A (ja) 1984-08-14 1986-03-07 Honda Motor Co Ltd サスペンシヨン制御装置
JPS6146708U (ja) * 1984-08-30 1986-03-28 キヤノン株式会社 カメラ用電磁石の駆動装置
GB2185586B (en) * 1986-01-13 1989-11-22 Seikosha Kk Shutter control device for a camera
JP2608705B2 (ja) * 1986-01-13 1997-05-14 セイコープレシジョン株式会社 カメラ用シャッタ駆動モータの速度制御装置
JPS63146416A (ja) * 1986-12-10 1988-06-18 Konica Corp 電磁駆動装置の駆動方法
JP2567230B2 (ja) * 1986-12-15 1996-12-25 セイコープレシジョン株式会社 プログラムシャッタ
JP2810690B2 (ja) * 1989-04-03 1998-10-15 オリンパス光学工業株式会社 カメラにおけるモータ制御装置
US5262280A (en) 1992-04-02 1993-11-16 Shipley Company Inc. Radiation sensitive compositions
JP2590258Y2 (ja) * 1992-10-27 1999-02-10 株式会社コパル 温度補正付カメラモータ駆動電流設定回路
JPH10148858A (ja) * 1996-11-19 1998-06-02 Canon Inc 防振制御装置
JP2001033845A (ja) * 1999-07-22 2001-02-09 Nidec Copal Corp シャッタ駆動制御装置
JP4641677B2 (ja) * 2001-07-27 2011-03-02 三洋電機株式会社 デジタルカメラのシャッター駆動回路
JP3893290B2 (ja) * 2002-01-09 2007-03-14 キヤノン株式会社 コンデンサ充電装置およびカメラのストロボ充電装置
JP3858982B2 (ja) * 2002-02-07 2006-12-20 オムロン株式会社 モータ制御装置

Also Published As

Publication number Publication date
CN1969229A (zh) 2007-05-23
CN100476563C (zh) 2009-04-08
TWI348589B (zh) 2011-09-11
US7654756B2 (en) 2010-02-02
JP2005352430A (ja) 2005-12-22
US20080031616A1 (en) 2008-02-07
JP4416577B2 (ja) 2010-02-17
WO2005121890A1 (ja) 2005-12-22

Similar Documents

Publication Publication Date Title
TW200707157A (en) Constant-voltage power supply circuit with fold-back-type overcurrent protection circuit
TW200727570A (en) Power supply voltage control apparatus
TWI377769B (en) Fixed-frequency control circuit and method for pulse width modulation
TW200625821A (en) Oscillator circuit and semiconductor device having oscillator circuit
US11737180B2 (en) Control circuit, chip and control method
WO2005079486A3 (en) Dc-dc regulator with switching frequency responsive to load
WO2016071671A1 (en) Improved analogue-to-digital convertor
US6462967B1 (en) Power supply device, control method for the power supply device, portable electronic device, timepiece, and control method for the timepiece
TW200515701A (en) Startup circuit for a DC-DC converter
TW200642283A (en) Voltage hold circuit and clock synchronization circuit
TW200618453A (en) Power conversion device with efficient output current sensing
TW200513821A (en) Fast-disabled voltage regulator circuit with low-noise feedback loop
TW200513041A (en) Semiconductor integrated circuit
TW200605485A (en) DC-DC converter circuit
WO2006065306A3 (en) System, method and semiconductor device for charging a secondary battery
TW200511700A (en) Switching power supply
US7351985B2 (en) Portable watch with radiation monitor
JP5304356B2 (ja) スイッチングレギュレータ
TW200633355A (en) Switching regulator
TWI410773B (zh) 固定工作時間切換式直流對直流電源供應器及其控制電路及方法
ATE318464T1 (de) Leistungsverstärker (pa) mit verbesserter leistungsregelung
DK1247426T3 (da) Digitalt höreapparat med spændingskonverter
DE60127885D1 (de) Taktsignalschaltung mit Präzisionstastverhältnisreglung
TW200604722A (en) Actuator driving circuit for shutter and actuator device for shutter
TW200618470A (en) Power on reset circuit

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees