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Match Document Document Title
8159760 Projector and control method of projector  
A projector includes: a projection lens which includes a zoom mechanism capable of controlling a projection view angle; a zoom drive unit which drives the zoom mechanism; a zoom amount storing unit...
8159764 Lens drive device  
A lens drive device may include a movable body holding a lens, a fixed body movably holding the movable body, and a drive mechanism for driving the movable body in the optical axis direction. The...
8154652 Lens apparatus and shooting apparatus using same  
A lens apparatus can be easily set even in cases where the lens body and demands are distant from each other upon shooting without a decrease in reliability. A lens body mounted on a camera body is...
8149520 Rotary actuator for auto-focusing a camera lens  
A rotary actuator includes a multi-polar magnet, in which north and south poles are alternately arranged in a circumferential direction, the multi-polar magnet being shaped into one of a circular...
8116017 Reduced vibration optical system with inexpensive precision positioning assembly  
An optical system with precision positioning of optical devices is disclosed generally comprising an optical device and a carrier for the optical device, where the carrier has substantially...
8116012 Magnetic device and lens drive device  
A magnetic device may include a coil wound body having a first coil winding face and a second coil winding face in an axial direction, a coil wound around the first coil winding face and the second...
8111469 Combined gear, lens adjustment mechanism, and electronic device  
A combined gear includes a pair of first gear and second gear having the same tooth profile and rotatably combined in a state, wherein rotation centers of the gears are coincident. One gear of the...
8084969 Hall-effect based linear motor controller  
A linear motion control device for use in a linear control system is presented. The linear motion control device includes a coil driver to drive a coil that, when driven, effects a linear movement...
8077398 Lens driving device comprising magnetic circuit with high magnetic efficiency  
A lens driving device includes a lens holder including a tubular portion for holding a lens assembly, a driving coil fixed to the lens holder so as to position around the tubular portion, and a...
8077412 Lens barrel and imaging device  
An interchangeable lens unit comprises a second lens group support unit, a focus lens, a focus lens support frame, and a focus drive unit. The second lens group support unit supports the focus lens...
8050548 Control apparatus, imaging apparatus, and control method for the imaging apparatus  
In a mode in which a lens barrel need not be extended, if it is determined that a vibration is larger than a reference value, the lens barrel is driven so as to be retracted to a predetermined...
8040624 Lens drive device  
A lens drive device for use with at least one lens may include a movable body holding a lens, a fixed body movably holding the movable body, and a drive mechanism for driving the movable body in...
8035906 Vibration actuator, lens barrel and camera  
A vibration actuator comprising: an electromechanical conversion element excited by a driving signal; an elastic body to which the conversion element is jointed and on a driving face of which...
8035905 Optical element positioning apparatus  
An optical element positioning apparatus capable of moving an optical element from a storage state to a use state and improving the accuracy of positioning the optical element to a use position on...
8031419 Compact imaging device  
An imaging apparatus may comprise a lens assembly including one or more lenses, an image sensor to receive light from the lens assembly, and an actuator to adjust a position of the lens assembly....
8027106 Image capturing module  
An image capturing module is provided. The image capturing module includes: a lens assembly supporting at least one lens, moving along an optical axis of light indicating an image of a subject, and...
8018661 Lens barrel and optical element driving device  
A lens barrel has a first lens group, a second lens group, a third lens group, a first support frame for supporting the first lens group, a second support frame for supporting the second lens...
8009974 Power transmission and camera  
A power transmission capable of regulating the disengagement of a nut part from a screw part, and the like are provided. The power transmission is constructed of a rotation shaft having a thread...
8004773 Lens drive mechanism and optical pickup having same  
A lens drive mechanism includes a drive source; a lead screw that is connected to the drive source and rotated by operation of the drive source; a nut member that screws on the lead screw and moves...
7995289 Lens drive device  
A lens drive device may include a fixed body, a movable body having a lens, a magnetic drive mechanism for magnetically driving the movable body in a lens optical axis direction, and a spring...
7995297 Piezoelectric driving module, camera module using same and portable electronic device using same  
An exemplary piezoelectric driving module includes a movable barrel, a fixed barrel receiving the movable barrel, a piezoelectric actuator, and a spring member. The piezoelectric actuator is...
7990625 Camera module  
A camera module includes a zoom lens group, a focus lens group, a barrel, an actuator group comprising a first actuator and a second actuator. The first and second actuators are received in the...
7986468 Lens barrel and imaging device  
A lens barrel including: an imaging optical system; a tube configured to contain the imaging optical system; a holder configured to hold a lens included in the imaging optical system in the tube in...
7961412 Actuator apparatus and image pickup unit  
An actuator apparatus of the present invention includes a movable body that is arranged so as to be movable forward or rearward, and a shape memory alloy wire that is provided directly or...
7957071 Focus adjustment method of zoom lens system  
A focus adjustment method of a zoom lens system is provided for correcting a focal point shift caused by manufacturing error. The zoom lens system includes three movable lens groups in which at...
7952821 Lens barrel and imaging device with lens barrel  
A lens barrel includes a holder, a lens frame, and an elastic member. The holder includes a first guide axis and a second guide axis. The lens frame includes a first guide section which is movably...
7929229 Piezoelectric actuator device, image pickup unit and mobile terminal apparatus  
An actuator device includes: a piezoelectric element; a weight secured to one end of the piezoelectric element along an expansion-contraction direction thereof; and a drive member secured to...
7920335 Movable lens module and optical lens module  
A movable lens module includes a plate type piezoelectric driving unit, a movable stage, a lens base and a lens group. The movable stage is in contact with the plate type piezoelectric driving...
7876509 Platform transport systems  
A transport system for moving and positioning an object comprising: a tube (24) having an axis of rotation and formed with threads (36) on at least a portion of its surface; at least one platform...
7864446 Lens driver unit, imaging device, and hand-held data terminal device  
A lens driver unit includes a plurality of lens groups including a first lens group and a second lens group, a first lens frame with first and second engaging portions, a second lens frame with a...
7852568 Lens position control apparatus, imaging apparatus, and control method  
It is provided an imaging apparatus including a plurality of motors configured to be driven to move lenses in synchronous with a drive pulse, a position detection unit configured to detect one of...
7826158 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...
7826157 Lens module  
A lens module includes an upper coupling element, a spring, a magnet yoke, a plurality of magnets, a coil, a lens holder and a lower coupling element. The magnet yoke is disposed under the spring...
7813053 Lens apparatus  
A lens apparatus including an optical element includes a motor configured to drive the optical element; a position detector configured to detect a relative position of the optical element; and a...
7796347 Lens barrel  
A lens barrel has a first lens group, a second lens group, a third lens group, a first support frame for supporting the first lens group, a second support frame for supporting the second lens...
7787192 Lens unit and photographing apparatus  
A lens unit includes: a first lens group arranged in a first optical axis direction of the lens unit, on which a light flux from an object is incident; a second lens group provided closer to an...
7787193 Imaging device and camera  
The present invention aims to provide an imaging device and a camera realizing simultaneously a high magnification zoom lens system and the miniaturization of the device. The imaging device (2)...
7782547 Mechanism for controlling position of optical element  
An optical element position control mechanism includes an optical element holding member, a lead screw rotatable on a rotational axis parallel to movement direction of the optical element holding...
7782559 Camera module  
A camera module includes a lens unit, a magnet, a stator and an elastic element. The stator includes an upper coil seat with an upper coil wound therearound and a lower coil seat with a lower coil...
7773321 Lens unit and image pickup apparatus  
The present invention provides a lens unit including: a first lens group; a second lens group; an optical-path bending member; a movable frame holding the first lens group; a stationary frame...
7757575 Optical apparatus  
An optical apparatus is disclosed which includes an integrally-formed rack that can be manufactured easily even when a tooth portion of the rack has a drawing angle with respect to a lead screw....
7746564 Lens barrel  
A lens barrel includes a first optical element that is allowed to move along an optical axis, a first driven member connected to the first optical element, a second optical element disposed in the...
7746583 Lens apparatus  
A lens apparatus includes a barrel and a focus member mounted on the barrel. The barrel includes a fixing body and an engaging unit disposed at an outside wall of the fixing body. The focus member...
7729059 Camera device  
An exemplary camera device includes a holder, an image sensor, an outer barrel with an axis, an inner barrel unit. The image sensor is disposed in the holder. The inner barrel unit includes an...
7728705 Electromagnetic transmission device  
An electromagnetic transmission device. A guide bar connects to a fixed base and includes magnetic-permeable material and a first central height plane. A coil connects to the fixed base. A support...
7724449 Lens drive device and coil winding method  
A lens drive device may include a movable body, a support body supporting the movable body through a spring member, and a magnetic drive mechanism provided with a coil. The movable body includes a...
7706083 Drive mechanism  
A drive mechanism include a movable element which has at least one bearing arm; a linear guide shaft for linearly guiding the movable element without rotating; a driving device driving the movable...
7697217 Lens barrel, image pick-up apparatus and lens position adjustment method  
A lens barrel comprising: a plurality of lens groups including two lens groups for guiding object light; and a lens drive apparatus for moving the two lens groups in the plurality of lens groups in...
7692873 Imaging apparatus  
A lens-controlling device controls a first lens unit which moves for zooming and a second lens unit which moves for correcting the displacement of an image plane caused by zooming and for focusing....
7684130 Lens device  
A lens device includes a seat unit, a swingable lens module having a guide member, a rotatable cam unit, first and second biasing components, and a first lens module. The swingable lens module is...
Matches 1 - 50 out of 320 1 2 3 4 5 6 7 >