Title:
ACTUATOR, LENS UNIT EQUIPPED THEREWITH, AND CAMERA
Document Type and Number:
Japanese Patent JP3952207
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an actuator, a lens unit equipped with therewith, and a camera capable of being miniaturized with a simple mechanism.
SOLUTION: This actuator (1) includes a stationary side member (2); a movable side member (4); a movable side member supporter for supporting the movable side member so as to move to the stationary side member; a driving coil (6) mounted on either of the stationary side member or the movable side member; a driving magnet (8) mounted on the other of the stationary side member or the movable side member and arranged so as to receive a driving force when a current flows through the driving coil; a magnetic sensor (12) arranged inside a winding of the driving coil and which detects the position of the driving magnet; a controller (14) for controlling a driving current flown through the driving coil on the basis of the position signal detected by the signal which commands the position where the movable side member should move and the magnetic sensor.
Inventors:
Takayoshi Noji
Application Number:
JP2004362924A
Publication Date:
August 01, 2007
Filing Date:
December 15, 2004
Export Citation:
Assignee:
Tamron Co., Ltd.
International Classes:
H02K33/00; G03B5/00; H04N5/225; H04N5/232
Domestic Patent References:
| JP10026781A | ||||
| JP3210884A | ||||
| JP9261524A | ||||
| JP11356029A | ||||
| JP11215795A | ||||
| JP10225079A | ||||
| JP56166763A | ||||
| JP2003021855A | ||||
| JP2002093685A | ||||
| JP2000180775A | ||||
| JP2001174248A | ||||
| JP2003204470A |
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Shishido Kaichi
Village shrine Atsuo
Disciple Maru Ken
Ino Sato
Makoto Watanabe
Fumiaki Otsuka
Shishido Kaichi
Village shrine Atsuo
Disciple Maru Ken
Ino Sato
Makoto Watanabe