Patent application number | Description | Published |
20090002500 | DRIVE DEVICE AND IMAGE STABILIZER - A drive device includes an actuator, a fixed member, a movable member, rotating members, and a guide member. The actuator is arranged on the fixed member, and includes a piezoelectric element and at least two drivers on the piezoelectric element in parallel with the central axis of the piezoelectric element. The movable member moves by the drivers on the fixed member. The rotating members are located between the fixed member and the movable member to support the movable member. The guide member is arranged on at least one of the fixed member and the movable member, and guides movement of the rotating members in a direction parallel to the central axis of the piezoelectric element. The drivers are located between the rotating members in the direction parallel to the central axis of the piezoelectric element. | 01-01-2009 |
20090003812 | IMAGE STABILIZER - An image stabilizer includes a fixed member, a first movable member, a second movable member, and a position sensor. The fixed member includes a first actuator arranged near a first side of an imaging device in parallel with the first side. The first movable member includes a second actuator arranged near a second side perpendicular to the first side in parallel with the second side and moves, when driven by the first actuator, in the direction of the first side. The second movable member has the imaging device mounted thereon and moves, when driven by the second actuator, in the direction of the second side. The position sensor detects the relative position of the imaging device moved by the first and second actuators. The first and second actuators are located near an intersection of the longitudinal axes of them not to interfere with each other. | 01-01-2009 |
20090009657 | DRIVE APPARATUS AND IMAGE PICKUP APPARATUS - An anti-vibration unit has: an X-axis transducer generating elliptical vibration in drivers; a frame which is a fixing member having a holding portion for holding the X-axis transducer; an X frame having fixed thereto a slide element to which the drivers of the X-axis transducer are pressed and which moves in the X-axis direction with respect to the frame; a Y-axis transducer held by a holding portion provided in the X-frame and generating elliptical vibration in drivers; and a Y frame having fixed thereto a slide element to which the drivers of the Y-axis transducer are pressed and which moves in the Y-axis direction with respect to the X frame. The X-axis transducer and the Y-axis transducer have substantially same resonant frequency, and the slide elements differ in at least one of rigidity and density thereof, thereby providing a drive apparatus down-sized, large in driving force and high in efficiency. | 01-08-2009 |
20090051803 | CAMERA HAVING A DUST-PROOFING MEMBER THAT IS VIBRATED TO REMOVE DUST, THE DUST-PROOFING MEMBER BEING PRESSED BY A SPRING PRESSING MEMBER TOWARD A SEALING PART THAT SEALS A SPACE BETWEEN THE DUST-PROOFING MEMBER AND AN IMAGE PICKUP-DEVICE - A camera includes a dust-proofing member which has a transparent portion through which a visible light component is transmitted. The transparent portion is opposed to the front of an image pick-up device at a predetermined interval. A vibration member is arranged at a peripheral portion of the dust-proofing member and vibrates the dust-proofing member. A sealing part seals a space between the image pick-up device and the dust-proofing member. And a spring pressing member presses the dust-proofing member at a periphery thereof toward the sealing part. | 02-26-2009 |
20090268042 | DRIVING APPARATUS AND IMAGE PICKUP APPARATUS - An X-axis driving mechanism section as one of driving sources of a driving apparatus including: a transducer for generating an elliptical vibration on a driving section in response to application of a predetermined frequency voltage signal; a bottom case having a holding section for holding the transducer; a pressing mechanism arranged on the bottom case to press the driving section of the transducer; and a rod relatively driven by the elliptical vibration of the transducer while being pressed by the pressing mechanism and with a moving direction being restricted by a guiding section of the holding member; wherein a weight is fixed to an end portion of the rod. The X-axis driving mechanism section constitutes the driving apparatus which is small and provides a large driving force, is capable of stable driving with higher efficiency without producing audible noise, and can retain the rod position and has high responsiveness with high accuracy. | 10-29-2009 |
20100091121 | DIGITAL CAMERA - A digital camera of the invention includes: an image pickup device; a dust-proof filter including an area disposed so as to face an image pickup surface of the image pickup device with a predetermined distance; a piezoelectric device for vibration application for vibrating not only a surface of the dust-proof filter but also inside of the dust-proof filter; and a piezoelectric device for vibration absorption for absorbing a part of vibration of the dust-proof filter in a predetermined cycle. When a wavelength of vibration generated in the dust-proof filter by vibration of the piezoelectic device for vibration application is defined as λ, and an odd number as k, the piezoelectric device for vibration application and the piezoelectric device for vibration absorption are arranged separately from each other at positions on the dust-proof filter such that a distance between centers of the devices is expressed by k×λ/4. | 04-15-2010 |
20100157074 | DRIVING APPARATUS AND IMAGE PICKUP APPARATUS USING THE SAME - A driving apparatus includes: a first member including a first linear groove; a second member including a second linear groove; a plurality of first rolling bodies held between the first and the second linear grooves; a pressing member for pressing the first and second members; a pressing force applying member for pressing the pressing member; and second rolling bodies arranged on the same plane between the second member and the pressing member. A third linear groove for guiding the second rolling bodies is formed on one of the second member and the pressing member. At least one or more of the second rolling bodies are arranged on both sides of the central axis of the first rolling bodies, and the pressing force applying member applies a pressing force to the second rolling bodies such that rotational moment around the axis line is zero. | 06-24-2010 |
20100220394 | IMAGING APPARATUS - An imaging apparatus includes: an image-forming element; an optical element including a light-transmitting portion disposed so as to face an image surface of the image-forming element; a vibration-application member arranged at a position other than a position of the light-transmitting portion of the optical element, for vibrating a surface of the optical element and inside of the optical element; and a vibration-absorption member arranged at a position opposed to the vibration-application member, for absorbing a part of vibration of the optical element in a predetermined cycle, wherein when a wavelength of vibration generated in the optical element by vibration of the vibration-application member is defined as λ, and an odd number as k, the vibration-application member and the vibration-absorption member are arranged separately from each other at positions on the optical element such that a distance between centers of the members is expressed by k×λ/4. | 09-02-2010 |
20120147251 | IMAGING APPARATUS AND OPTICAL SYSTEM USED FOR IMAGING APPARATUS - An imaging apparatus comprises an optical system that includes a plurality of lens groups, each lens group including one or more lenses, at least one of the lens groups being independently movable with respect to the other lens groups and including a focus lens group for focusing the subject and a lens control unit that controls movement of the plurality of lens groups to bring into focus based on a feeding position of the focus lens group. | 06-14-2012 |
20120268642 | DRIVING APPARATUS AND IMAGING APPARATUS USING THE SAME - Provided are a driving apparatus and an imaging device having the driving apparatus mounted thereon, the driving apparatus being capable of performing, with a simple configuration, driving in the Z-axis direction in addition to driving in a direction along the XY plane, reducing friction at the time of driving, and performing precise position holding at the time of stop. A driving apparatus includes: a frame, a contact body supported by the frame; a holder pressed against the contact body to be supported thereby; a VCM for relatively moving the frame in a direction along a support plane formed by the contact body; and a transducer for displacing, relative to the frame, the contact body in the Z-axis direction. When driving, the transducer causes the contact body to vibrate in the Z-axis direction so as to reduce a frictional force between the contact body and the holder. | 10-25-2012 |
20120287328 | DRIVING CONTROL DEVICE AND OPERATION DEVICE - A driving control device according to the present invention includes: a fixed member; an operation member arranged to be manually rotatable with respect to the fixed member; a transducer arranged in one of the fixed member and the operation member and arranged to come into contact with an opposed surface of the other of the fixed member and the operation member; a position detecting section for detecting a position of the operation member with respect to the fixed member; and an operation force amount control section for controlling driving of the transducer to change contact friction force generated when the transducer contacts with the fixed member or the operation member. The operation force amount control section controls the transducer such that the contact friction force applied to the operation member when the operation member is manually rotated with respect to the fixed member changes to a sense of click. | 11-15-2012 |
20130010137 | PHOTOGRAPHING APPARATUS - A photographing apparatus includes: a taking lens including a movable focusing lens; an image pickup portion that converts an optical image obtained via the taking lens into an image signal; a movement determining portion that determines movement of the photographing apparatus in an optical axis direction of the taking lens; and a recording portion that continuously records therein a plurality of images obtained by the image pickup portion with the focusing lens being set to a fixed position so that the taking lens is at a predetermined focused position as the photographing apparatus moves in the optical axis direction of the taking lens. | 01-10-2013 |
20130093937 | OPERATION DEVICE - An operation device includes a fixed member, an operation member arranged to be manually rotatable, a load section configured to apply a predetermined load to the operation member, a transducer configured to come into friction contact with the load section, a position detecting section configured to detect a relative position of the operation member with respect to the fixed member or the load section, an operation mode setting section, and an operation sense control section configured to control oscillation applied to the load section by the transducer to thereby change a sense of operation obtained from the operation member when the operation member is rotated. The operation sense control section causes, on the basis of an output from the position detecting section, the operation member to generate a sense of click corresponding to the set operation mode. | 04-18-2013 |
20130235458 | VIBRATING DEVICE AND IMAGING APPARATUS USING THE SAME - A vibrating device includes a transducer including a plate-like dust-proof member and a vibration-applying member configured to vibrate the dust-proof member, a holder arranged a predetermined space apart from the dust-proof member, a sealing member configured to seal a space between the dust-proof member and the holder, and a pressing supporting member having formed therein pressing sections configured to press the dust-proof member, supporting sections for maintaining supporting of the dust-proof member or the vibration-applying member when an external force is applied to the dust-proof member, and fixing sections with respect to the holder. The pressing sections are respectively provided in positions symmetrical to each other across an imaginary axis passing a center of gravity of the transducer. Rigidity of the supporting sections is set higher than rigidity of the pressing sections. | 09-12-2013 |
20140372390 | INFORMATION DEVICE, SERVER, RECORDING MEDIUM WITH IMAGE FILE RECORDED THEREON, IMAGE FILE GENERATING METHOD, IMAGE FILE MANAGEMENT METHOD, AND COMPUTER READABLE RECORDING MEDIUM - The information device includes an imaging unit that images a subject and generates image data of the subject, a meta information generating unit that generates meta information related to the image data generated by the imaging unit, a possibility information generating unit that generates, with respect to the meta information, possibility information setting whether or not change of original information is possible by an external device when the meta information is transmitted to the external device, and an image file generating unit that generates an image file associating the image data generated by the imaging unit, the meta information generated by the meta information generating unit, and the possibility information generated by the possibility information generating unit with one another. | 12-18-2014 |
20150029387 | IMAGING APPARATUS - An imaging apparatus includes: an imaging optical system having a variable power lens and a focus lens; an imaging element that generates image data via the imaging optical system; a movable frame that holds the focus lens and is movable along an optical axis of the imaging optical system; a first driving unit that causes the movable frame to move toward an in-focus position along the optical axis direction; a focus sensitivity determination unit that, based on a zoom position of the variable power lens, determines whether a focus sensitivity indicating a ratio of a change amount of the in-focus position to a movement amount of the focus lens is equal to or smaller than a specified value; and a driving controller that drives the first driving unit to move the movable frame to the in-focus position if the focus sensitivity is larger than the specified value. | 01-29-2015 |