Patent application number | Description | Published |
20080199176 | DIAPHRAGM DRIVING DEVICE OF A DIGITAL CAMERA SYSTEM USING AN INTERCHANGEABLE LENS - A diaphragm driving device is provided in a camera body of a digital camera to which an interchangeable lens is detachably attached, the interchangeable lens including a diaphragm mechanism having a diaphragm control bar for changing an aperture size by a rotation of the diaphragm control bar about an optical axis. The camera body includes a diaphragm-driving slide plate which engages with the diaphragm control bar when the interchangeable lens is attached to the camera body; a diaphragm drive motor which rotates in both forward and reverse directions for moving the diaphragm-driving slide plate step wise in accordance with object brightness information of an object image formed through the interchangeable lens; and a converting mechanism for converting the rotation of the diaphragm drive motor in the both directions into a force for moving the diaphragm-driving slide plate. | 08-21-2008 |
20080297003 | Ultrasonic Motor - An ultrasonic motor includes a stator that includes a comb body with a plurality of circumferentially-arranged comb-like projections and a piezoelectric body integrally mounted on the comb body, a rotor rotatable with respect to the stator, the rotor having a contact surface that establishes pressure contact with the stator, and a resin film formed with predetermined hardness on the contact surface of the rotor, the resin film containing a solid lubricant. | 12-04-2008 |
20090195087 | LINEAR ACTUATOR - There is provided a linear actuator, which is provided with a multipolar magnet arranged with a plurality of S-poles and N-poles alternately along an axial direction thereof; and a coiled body arranged to be relatively movable in the axial direction face to face with respect to the multipolar magnet. In this configuration, the multipolar magnet comprises an integrally formed isotropic magnet material which is magnetized into S-poles and N-poles alternately along the axial direction thereof. | 08-06-2009 |
20090195878 | LINEAR SWING ACTUATOR - There is provided a linear swing actuator, which is provided with a multipolar magnet arranged with one magnetic pole in a central portion and its respective opposite magnetic poles at both ends thereof along a length direction; and a single coil arranged to be relatively movable in the length direction face to face with respect to the multipolar magnet. In this configuration, a distance between the magnetic pole in the central portion and each of the magnetic poles at the both ends is arranged to be shorter than a dimension in the length direction of the coil. | 08-06-2009 |
20090263120 | DIAPHRAGM DRIVING DEVICE OF A CAMERA SYSTEM USING AN INTERCHANGEABLE LENS - A diaphragm driving device for a camera including a camera body and an interchangeable lens which is detachably attached to the camera body, wherein the interchangeable lens includes a diaphragm mechanism having an in-lens spring device for performing a stop-down operation, the in-lens-spring device having a spring constant. The camera body includes a diaphragm drive mechanism having a diaphragm drive motor and an in-body spring device, both of which are for making the diaphragm mechanism of the interchangeable lens perform the stop-down operation, and
| 10-22-2009 |
20090323208 | ROTARY ACTUATOR - 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 ring and a circular arc member; and a coil body having coils which are provided around the multi-polar magnet to be capable of moving in the circumferential direction of the multi-polar magnet, each of the coils substantially lying on a plane that extends in a radial direction of the multi-polar magnet and orthogonal to the circumferential direction of the multi-polar magnet. The north and south poles of the multi-polar magnet are positioned apart from each other by a predetermined interval in the circumferential direction. Dimensions of each coil are predetermined so that length of each coil in the circumferential direction is associated with the predetermined interval. Predetermined currents are passed through the coils in a properly phased manner. | 12-31-2009 |
20100020184 | IMAGE SHAKE CORRECTION APPARATUS, AND CAMERA HAVING IMAGE SHAKE CORRECTION APPARATUS - An image shake correction apparatus of a camera in which an object image is formed on an image sensor that is driven to move in first and second directions, which are orthogonal to each other, in a plane orthogonal to an optical axis to compensate for camera shake. The image shake correction apparatus includes a first table provided in a camera body to be movable in the first direction, and a second table which supports the image sensor and is movable in the second direction on the first table. At least one of the first table and the second table is supported by one guide bar and supported by a linear actuator which moves the one of the first table and the second table along the one guide bar, the one guide bar extending in a corresponding one of the first direction and the second direction. | 01-28-2010 |
20100322606 | LINEAR ACTUATOR AND CAMERA SHAKE CORRECTION MECHANISM - A linear actuator including a multipolar magnet configured such that an S pole and an N pole are linearly aligned in an alternating manner, coil body having a plurality of separate coil units integrally arranged in a lengthwise direction of the coil body being provided to be movable relatively with respect to the multipolar magnet, a magnetic sensor that detects a position of the coil body along the lengthwise direction of the coil body with respect to the multipolar magnet, and an electrifying control circuit that individually controls currents to be supplied to the plurality of coil units based on the position of the coil body detected by the magnet sensor. | 12-23-2010 |
20100329653 | CAMERA - A camera comprising a location sensor, a first recorder, a first calculator, and a first motor, is provided. The location sensor detects the present location of the camera. The first recorder records a past location. The past location is a location where an image was photographed at a previous point in time. The first calculator compares the present location of the camera with the past location. The first calculator calculates a first difference between the present location of the camera and the past location. The first monitor displays the calculated first difference. | 12-30-2010 |
20110007408 | TORIC MOTOR AND LENS BARREL HAVING THE SAME INCORPORATED THEREIN - A toric motor includes a toric stator, a toric rotor configured to rotate along the stator, and a bearing configured to support the rotor so as to be rotatable relative to the stator, the bearing comprising a single-row four-point-contact angular ball bearing. | 01-13-2011 |
20110083112 | INPUT APPARATUS - An input apparatus including an input unit to which a predetermined motion image signal is input, a motion detection unit for detecting a motion from the motion image signal which is input to the input unit, a video signal processing unit for outputting a predetermined video signal, and a control unit, wherein if a hand revolving motion of an operator is detected, the control unit controls the video signal processing unit to output a predetermined first video signal in synchronism with the hand revolving motion in order to inform the operator of a detection situation of the revolving motion and to output a predetermined second video signal in synchronism with the first video signal in order to inform the operator of a progress situation of a manipulation until a predetermined manipulation is definitely fixed. | 04-07-2011 |
20150054830 | Display Device and Display Method of Electric Power System Information - A display device of electric power system information comprises a display unit including a display screen; and a screen display control unit for controlling the display unit. The display screen includes a display area that is divided into a plurality of display cells each of which has a mapping function for showing relative positional relations. The display unit includes an electric power system diagram display function unit for displaying an electric system diagram that embodies the state of an electric power system being a monitoring target, a mapping item display function unit for displaying mapping display items in the background of the electric power system diagram using the display cells, and a menu display function for displaying menus and icons, which are used for selecting the mapping display items, on the display screen, and for accepting selection operations to the menus and icons on the display cells on the display screen. The mapping display items represent information of state quantities regarding the state of the electric power system being the monitoring target, and the mapping display items are displayed per display cell with different colors in accordance with the corresponding values of state quantities. | 02-26-2015 |