Match Document Document Title
US20110273789 Linear motor with integral position sensor  
Systems and methods for a linear motor having an integrated position sensing of the anchor of the motor are disclosed. An integrated position sensing of the anchor is achieved by sensing the...
US20150070793 MINIATURE MEMS ACTUATOR ASSEMBLIES  
In one embodiment, an electrostatic actuator includes a generally planar fixed frame, a generally planar moving frame coupled to the fixed frame by a flexure for substantially coplanar,...
US20090290865 ZINC OXIDE NANO-WIRE BASED ACTUATOR, LENS MODULE USING SAME AND CAMERA MODULE USING SAME  
An exemplary zinc oxide nano-wire based actuator includes a first electrode, a second electrode opposite to the first electrode, and a zinc oxide nano-wire layer sandwiched between the first...
US20120113536 AUTOFOCUS MODULE  
The present invention provides an autofocus module including: a supporting base, an electrical focusing element and an conductive element, wherein the supporting base at least accommodates one...
US20130242420 VOICE COIL MOTOR HAVING A BASE WITH PROTRUSIONS AND A SHELL WITH MOUNTING HOLES RECEIVING THE PROTRUSIONS  
A voice coil motor includes a base made of plastic or resin, a stator, a moving and a shell. The base includes a mounting surface, assembling surfaces, and protrusions extending from at least one...
US20080225415 Actuated stepper lens camera module  
A camera module includes an integral motor for rotating a lens unit of the camera module within a housing of the camera module. The housing includes a plurality of electromagnetic coils that...
US20130021685 MAGNETIC STRUCTURE FOR COMPACT IMAGING DEVICE  
The subject matter disclosed herein relates to electromagnetic force generation for an imaging device having a small form factor.
US20140355143 VOICE COIL MOTOR AND LENS MODULE  
A voice coil motor (VCM) includes a fastening portion, a moving portion, a magnet assembly, a coil, an elastic sheet, and glue. The lower plate seals the fastening portion. The lower plate...
US20120257099 DRIVER CIRCUIT FOR A CAMERA VOICE COIL MOTOR  
A driver circuit for a camera voice coil motor (VCM) is described. A first power switch selectively conducts current from a VCM node to a power supply node, and a second power switch selectively...
US20120140344 FIXING DEVICE AND VOICE COIL MOTOR USING SAME  
A fixing device includes a stationary frame and a number of elongated resilient tabs. The stationary frame defines a central axis and includes four sidewalls for receiving a number of magnets....
US20120162793 VOICE COIL MOTOR AND CAMERA MODULE HAVING SAME  
A voice coil motor includes a movable barrel and a spring plate. The movable barrel includes a top end and a number of locating members. Each locating member includes a locating post on the top...
US20120026612 COMPACT IMAGING DEVICE  
The subject matter disclosed herein relates to an imaging device having a small form factor.
US20110299181 COMPACT IMAGING DEVICE  
The subject matter disclosed herein relates to an imaging device having a small form factor.
US20110026149 COMPACT IMAGING DEVICE  
The subject matter disclosed herein relates to an imaging device having a small form factor.
US20130235483 MAGNETIC LEIVTATION MOTOR USED IN LENS MODULE  
A magnetic levitation motor includes a fastening unit and a moving unit. The fastening unit includes a fixing frame and a first magnet assembly. The fixing frame includes a lower plate and four...
US20120120510 MAGNET HOLDING STRUCTURE OF AUTO-FOCUS MODULE  
A magnet holding structure of auto-focus module includes an outer frame for holding four magnets to four inner wall surfaces of the outer frame; a lens holder for holding a lens thereto and being...
US20110205646 LEAF SPRING WITH HIGH VICKERS HARDNESS  
A leaf spring supports a pillar shaped movable portion disposed in a center portion with respect to a cylindrical fixed portion disposed around the movable portion in the direction of a center...
US20090058227 PIEZOELECTRIC MOTOR AND CAMERA DEVICE  
A piezoelectric motor includes: a base; first and second piezoelectric elements that are provided symmetrically on the base to face with each other, the first and second piezoelectric elements...
US20090290242 Lens actuation device, optical system and camera  
A lens actuation device for an optical system includes a housing, a carrier at least partially installed in the housing, and a plurality of transducers arranged around the carrier in the housing....
US20140022655 COMPACT IMAGING DEVICE  
The subject matter disclosed herein relates to an imaging device including an epoxy reservoir and a number of features to facilitate alignment of components during assembly of the imaging device.
US20080231975 Voice coil motor type focusing actuator  
A voice coil motor type focusing actuator, which includes a fixed unit, the fixed unit comprises a receiving chamber, a slide fitting channel, a first coil, and a magnet. A movable unit, the...
US20130279031 VOICE COIL MOTOR  
A voice coil motor includes a stationary magnetic field generator with a receiving space, a moveable magnetic field generator received in the receiving space, a lens module, a base, and a lower...
US20140355144 VOICE COIL MOTOR AND LENS MODULE  
A voice coil motor (VCM) includes a fixing portion, a moving portion, a magnet assembly, a coil, and an elastic sheet. The fixing portion includes an upper plate and a sidewall extending from...
US20080246353 VOICE COIL MOTOR DEVICE FOR POSITIONING  
A voice coil motor device for positioning is disclosed. The voice coil motor device for positioning includes a fixed element, a moving element and a connector. The moving element is movably...
US20110317293 Oscillation Motor Unit, Oscillation Motor, and Lens Driving Device Using Oscillation Motor  
The object of the present invention is to provide a driving mechanism which is a higher powered motor that can be used even when an installation space is limited by reducing a space required for...
US20060187562 Optical zoom system  
A zoom system for positioning a lens carriage and corresponding method are described. The zoom system includes a drive motor, a lens carriage, and a control system. The drive motor moves the lens...
US20090161239 CAMERA DIAPHRAGM AND LENS POSITIONING SYSTEM EMPLOYING A DIELECTRICAL POLYMER ACTUATOR  
An electroactive polymer actuator (10) is disclosed for use in various applications including camera diaphragms and lenses. The actuator (10) converts electrical energy to mechanical energy and...
US20090251810 Lens Drive Unit Installation Structure and Lens Drive Unit  
The present invention aims to provide a lens drive unit installation structure which enhances dust resistance to improve reliability and realizes miniaturization and easiness to assemble. For...
US20100027141 LENS MOVING DEVICE AND INSTALLATION UNIT  
Disclosed is a lens moving device and a lens installation unit within which at least one lens is installed and at least one guiding protrusion is formed, a driving means that moves the lens...
US20110205647 LEAF SPRING WITH HIGH THRUST  
A leaf spring supports a pillar shaped movable portion disposed in a center portion with respect to a cylindrical fixed portion disposed around the movable portion in the direction of a center...
US20120257293 AUTO-FOCUSING METHOD  
An auto-focusing method includes (1) inputting a current with a predetermined greatest value I0 to a voice coil motor, such that the voice coil motor drives a lens module to move a greatest...
US20130201389 MOTOR CONTROL DEVICE AND IMAGING APPARATUS  
A motor control device includes a counter that counts pulses output from a one-phase encoder according to rotation of a DC motor, and a controller that recognizes rotation number of the DC motor...
US20120140346 PIEZOELECTRIC ACTUATOR, CAMERA MODULE, AND PORTABLE ELECTRONIC DEVICE HAVING SAME  
An exemplary piezoelectric actuator includes a fixed barrel, a movable barrel in the fixed barrel, a piezoelectric driving module, a flexible circuit board on the fixed barrel, a bracing sheet,...
US20090040633 Imaging Unit and Electronic Device Using the Same  
An imaging unit, including: a lens housing section to accommodate a lens; a lens driving section, including: a moving member which supports the lens and moves the lens in an optical axial...
US20090244732 Lens Driving Unit and Lens Driving Device  
Object of the present invention is to provide a lens driving unit in small size and perform a high ratio optical zooming and a lens driving device. To achieve the object, the lens driving unit in...
US20080123202 Actuator For An Optical Scanner  
The present invention relates to an actuator for a scanner for optical storage media, and to an appliance for reading from and/or writing to optical storage media which uses an actuator such as...
US20150077840 CAMERA MODULE  
A camera module generally provided in a mobile terminal. The camera module includes a lens unit which is configured to accommodate at least one lens. An actuator unit is configured to fix the lens...
US20110199696 PIEZOELECTRIC ACTUATOR ASSEMBLY AND OPTICAL SYSTEM INCLUDING THE SAME  
An optical system includes a housing, a lens assembly, and a piezoelectric actuator assembly. The lens assembly includes a lens unit having at least one lens, and a lens frame that supports the...
US20130045000 ACTUATOR AND CAMERA MODULE HAVING SAME  
An exemplary actuator includes a base, a stationary frame mounted on the base, a moveable frame received in the stationary frame and supported on the base when the moveable frame is in a lowest...
US20140022656 LENS BARREL  
A lens barrel includes a flexible printed circuit board, a moving unit, and a support frame. The moving unit is configured to support the flexible printed circuit board. The support frame is...
US20090021849 Drive unit and method for making the drive unit  
Disclosed is a drive unit including an element for mechano-electric transduction; a driving member for causing a driven member to perform a predetermined motion according to a displacement of the...
US20130083409 Voice Coil Motor  
Disclosed is a voice coil motor, the motor including a base having an opening, a foreign-substance trapping film provided on an upper surface of the base to trap foreign substances, a mover...
US20080211955 Camera Modules With Lens Drive Device  
A camera module has a plurality of lenses aligned along an optic axis that receive and transmit light from a scene being imaged by the camera module. At least one lens is mounted on a platform...
US20090059373 Actuator for linear motion and tilting motion  
There is provided an actuator used in an optical system comprising a housing, a carrier disposed at least partly inside the housing, and a plurality of linear motion transducers coupled to the...
US20100290138 OPTICAL ADJUSTMENT MOUNTS WITH PIEZOELECTRIC INERTIA DRIVER  
Embodiments include optic mounts that may be adjustably positioned with a piezoelectric inertia driver. Position data feedback may be provided to embodiments of a piezoelectric inertia driver...
US20110075281 AUTOFOCUS LENS MODULE  
An autofocus lens module includes a holder defining a space, a barrel positioned in the space of the holder, a first post extended from an outer surface of the barrel, a first spring connecting...
US20070008633 Objective lens holder and pickup apparatus having same  
An objective lens holder includes a body, a plurality of sideboards, and a plurality of ribs. The body defines a through hole therein for receiving an objective lens. The sideboards extend...
US20150036231 LENS DRIVING DEVICE  
The present invention provides a lens driving device includes at least two spring components each of which includes an inner side retaining part, an outer side retaining part, a plurality of wrist...
US20100027140 DRIVING UNIT AND OPTICAL PICK-UP DEVICE INCLUDING THE SAME  
The present invention relates to a driving unit capable of implementing a long stroke drive while achieving height reduction of the driving unit. The driving unit is provided with a driving...
US20130163106 AUTO-FOCUSING LENS MODULE  
An auto-focusing lens module includes a substrate, guiding members positioned on the substrate, an actuator unit, a driving plate, and a lens holder holding a lens therein. The driving plate...