Patent application number | Description | Published |
20080272672 | DRIVE UNIT - A drive unit includes a control unit for controlling an ultrasonic actuator. The control unit performs switching between a normal operation mode in which the piezoelectric element unit vibrates at a frequency close to a resonance frequency of longitudinal vibration in the lengthwise direction of the piezoelectric element unit and a resonance frequency of bending vibration to let the ultrasonic actuator output a driving force and a heating mode in which the piezoelectric element unit vibrates at a frequency close to a resonance frequency of longitudinal vibration in the thickness direction of the piezoelectric element unit to heat the piezoelectric element. | 11-06-2008 |
20080278032 | DRIVE UNIT - A vibratory actuator includes a piezoelectric element, a driver element provided on the piezoelectric element and a movable body supported by the driver element. A control unit supplies a first voltage and a second voltage at the same frequency to the piezoelectric element. By supplying the first voltage and the second voltage having a difference phase from a phase of the first voltage by 90°, the piezoelectric element is lead to composite vibration of stretching and bending, thereby causing the driver to make an elliptical motion by the vibration and move the movable body. The control unit switches, during a fine mode, a phase difference between the first voltage and the second voltage between 90° and 0°. | 11-13-2008 |
20080278033 | PIEZOELECTRIC ELEMENT, VIBRATORY ACTUATOR AND DRIVE UNIT - A piezoelectric element is formed by stacking piezoelectric layers and internal electrode layers. The internal electrode layers are positive and negative electrode layers. The positive electrode layers are first and second positive electrode layers. The negative electrode layers are first and second negative electrode layers. Each of the first positive and negative electrode layers includes four divided electrodes and a connecting electrode for connecting a pair of the four divided electrodes formed on diagonally opposite two areas along a first diagonal direction on a principle surface of the associated one of the piezoelectric layers. Each of the second positive and negative electrode layers includes four divided electrodes and a connecting electrode for connecting a pair of the four divided electrodes formed on diagonally opposite two areas along a second diagonal direction on a principle surface of the associated one of the piezoelectric layers. | 11-13-2008 |
20080278035 | VIBRATION ACTUATOR - An ultrasonic actuator includes: an actuator body using a piezoelectric element and generating a plurality of vibrations of different vibration directions; a driver element provided in the actuator body and operated in accordance with the vibration of the actuator body to output a driving force in a predetermined driving direction; a case containing the actuator body; at least one support rubber provided between the actuator body and the case to elastically support the actuator body along the driving direction with respect to the case; and at least one stopper provided between the actuator body and the case which comes into contact with at least one of the actuator body and the case when the actuator body is displaced in a direction opposite the driving direction such that the displacement of the actuator body in the direction opposite the driving direction is limited. | 11-13-2008 |
20080278037 | DRIVE UNIT - A drive unit includes a guide, a stage which is movable relative to the guide, an ultrasonic actuator for moving the movable body and a control unit for controlling the ultrasonic actuator. The ultrasonic actuator includes a driver element in contact with the stage and is fixed to the guide. A surface of the stage in contact with the driver element is an undulating surface. The control unit detects the position of the stage based on a change in contact pressure on the driver element due to the undulating surface. | 11-13-2008 |
20090021114 | Piezoelectric Element and Ultrasonic Actuator - Internal electrode layers ( | 01-22-2009 |
20090026884 | Utrasonic actuator - An ultrasonic actuator includes: a piezoelectric element | 01-29-2009 |
20090072665 | ULTRASONIC ACTUATOR - An ultrasonic actuator includes: a piezoelectric element 10 for generating various kinds of vibrations having different vibration directions; a driver element provided on the piezoelectric element 10 and actuated in accordance with the vibration of the piezoelectric element 10 to output driving force toward a certain driving direction; feeding electrodes 8 provided on the piezoelectric element 10 and electrically connected to the piezoelectric element 10; and feeding-supporting parts 6A, 6B, 7A, 7B and 9A abutting the feeding electrodes to elastically support the actuator body and serving as feeding terminals for supplying a voltage to the feeding electrodes 8. | 03-19-2009 |
20090091213 | ULTRASONIC ACTUATOR - An ultrasonic actuator includes: a piezoelectric element | 04-09-2009 |
20090224630 | ULTRASONIC ACTUATOR - An ultrasonic actuator includes: an actuator body ( | 09-10-2009 |
20090230818 | DRIVE UNIT - A drive unit ( | 09-17-2009 |
20100066205 | DRIVE UNIT - A drive unit includes a vibration actuator for controlling the piezoelectric element. A control section controls the vibration actuator switchably between a normal operation mode in which the piezoelectric element vibrates at a predetermined frequency to let the vibration actuator output a driving force, and a heating mode in which the piezoelectric element vibrates in a direction perpendicular to a direction of the driving force at a frequency different from the frequency in the normal operation mode to heat the piezoelectric element. | 03-18-2010 |
20100133956 | ULTRASONIC ACTUATOR - An ultrasonic actuator ( | 06-03-2010 |
20100176690 | VIBRATORY ACTUATOR AND DRIVE DEVICE USING THE SAME - A vibratory actuator is provided in which a movable body can be stably driven even when a groove is formed in an abutment body by the friction between the driver element and the abutment body. An ultrasonic actuator ( | 07-15-2010 |
20100181870 | VIBRATORY ACTUATOR AND DRIVE UNIT INCLUDING THE SAME - The drive efficiency of a vibratory actuator is improved without increasing a weight of a driver element. | 07-22-2010 |
20100213882 | DRIVE UNIT - A drive unit includes an ultrasonic actuator having an actuator body formed using a piezoelectric element, and a driving element provided on the actuator body and configured to output a driving force by moving according to the vibration of the actuator body, and a control section configured to induce the vibration in the actuator body by applying a first and a second AC voltages having a same frequency and different phases to the piezoelectric element. The control section adjusts the first AC voltage and the second AC voltage so that the first AC voltage and the second AC voltage have different voltage values from each other. | 08-26-2010 |
20100226637 | DRIVE UNIT, LENS BARREL, AND CAMERA - A drive unit includes an ultrasonic actuator, which has an actuator body formed using a piezoelectric element and outputs a driving force by vibration of the actuator body, and a control section which induces vibration in the actuator body by supplying a plurality of AC voltages to the piezoelectric element. The control section provides, in combination, phase control, which controls the driving force by adjusting a phase difference between a first and a second AC voltages, and wave-number control, which controls the driving force by adjusting the wave number included in a predetermined burst period in each AC voltage. | 09-09-2010 |
20100237743 | ULTRASONIC ACTUATOR - An ultrasonic actuator may be provided in which generation of a stress is prevented in the connection face of the piezoelectric element between the electrodes and the conductive members. The ultrasonic actuator includes a piezoelectric element (P | 09-23-2010 |
20100244627 | DRIVE UNIT - A drive unit which generates less heat may be provided. The drive unit includes a piezoelectric element (P | 09-30-2010 |
20100301704 | VIBRATORY ACTUATOR - A supporting structure for an actuator body, which can prevent reduction of vibration of an actuator body and maintain a contact state of a driver element with an abutment body in a stable manner even when the driver element receives reactive force from the abutment body is realized. | 12-02-2010 |
20110050982 | LENS BARREL AND IMAGING DEVICE - A lens barrel includes a focusing lens, a driver, and a controller. The focusing lens changes a state of focus by moving in the direction of an optical axis. The focusing lens is subject to a load which is dependent upon the position of the focusing lens along the optical axis. The driver is coupled to the focusing lens and produces a driving force to move the focusing lens along the optical axis at a predetermined speed. The controller is coupled to the driver to adjust the driving speed of the driver relative to the position of the focusing lens. | 03-03-2011 |
20110057543 | VIBRATORY ACTUATOR - An ultrasonic actuator includes an actuator body configured by alternately stacking piezoelectric layers, and a positive and a negative electrode layers. The positive electrode layer includes a first through a fourth positive split electrodes and a positive diagonal-connection electrode connecting together the first and the third positive split electrodes. The second and the fourth positive split electrodes are connected together outside the positive electrode layer. The negative electrode layer includes a first through a fourth negative split electrodes and a negative diagonal-connection electrode connecting together the first and the third negative split electrodes. The second and the fourth negative split electrodes are connected together outside the negative electrode layer. | 03-10-2011 |
20110141340 | INTERCHANGEABLE LENS AND CAMERA SYSTEM USING THE SAME - A camera system for linearly driving a focus lens group by an ultrasonic actuator in a single-lens reflex digital camera to perform focusing operation by a contrast detection method is provided. | 06-16-2011 |
20110156536 | VIBRATORY ACTUATOR - In an ultrasonic actuator, piezoelectric layers and internal electrode layers are stacked. External electrodes are formed on a principal surface exposed to an outside of the outermost piezoelectric layer. Side electrodes connected to the internal electrode layers and the external electrodes are formed on side surfaces of a body including the piezoelectric layers and the internal electrode layers. A first divided electrode and a first external electrode are connected together by a plurality of side electrodes. A second divided electrode and a second external electrode are connected together by a plurality of side electrodes. A minus electrode layer and a third external electrode are connected together by a plurality of side electrodes. | 06-30-2011 |
20110241487 | DRIVE UNIT - A drive unit includes: a shaft; a movable body supported by the shaft so as to be displaceable along the shaft; a vibratory actuator configured to drive the movable body; and a support body configured to support the vibrator actuator. The vibratory actuator includes an actuator main body that contacts the movable body and is configured to vibrate to output a driving force to the movable body, an opposing member that contacts the movable body and is positioned so as to face the actuator main body with the movable body interposed therebetween, and a coupling member that is configured to couple the actuator main body with the opposing member and to bias the actuator main body and the opposing member so as to sandwich the movable body therebetween with the movable body kept displaceable along the shaft. The support body supports the vibratory actuator so that the vibratory actuator is displaceable along a biasing direction of the coupling member. | 10-06-2011 |
20110254407 | ULTRASONIC ACTUATOR - An ultrasonic actuator may be provided in which generation of a stress is prevented in the connection face of the piezoelectric element between the electrodes and the conductive members. The ultrasonic actuator includes a piezoelectric element (P | 10-20-2011 |
20110266921 | ULTRASONIC ACTUATOR - An ultrasonic actuator may be provided in which generation of a stress is prevented in the connection face of the piezoelectric element between the electrodes and the conductive members. The ultrasonic actuator includes a piezoelectric element (P | 11-03-2011 |
20120212104 | VIBRATORY ACTUATOR AND DRIVE DEVICE USING THE SAME - An ultrasonic actuator ( | 08-23-2012 |
20120225564 | VAPOR DEPOSITION DEVICE, VAPOR DEPOSITION METHOD, AND SEMICONDUCTOR ELEMENT MANUFACTURING METHOD - In the disclosed vapor deposition method, by using a structure wherein an inner diameter of a group-V source gas introduction piping is greater than an outer diameter a group-III source gas introduction piping, and the group-III source gas introduction piping is inserted one-to-one into the interior of the group-V source gas introduction piping, the group-III source gas piping is thereby prevented from being cooled by a cooling mechanism, and hardening of metallic materials upon the surface of the wall of the piping is alleviated. It is thus possible to provide a vapor deposition device, a vapor deposition method, and a semiconductor element manufacturing method, which are capable of efficaciously introducing easily hardening metallic materials into a reactor without the metallic materials adhering to a showerhead or a piping, and to carry out efficacious doping. | 09-06-2012 |
20130009893 | ELECTRONIC DEVICE - An electronic device includes: a touch screen panel; a support structure having a first support member and a second support member, the first support member and the second support member being in contact with touch screen panel to support the touch screen panel at a periphery of the touch screen panel; a base being in contact with the support structure to support the touch screen panel via the support structure; and a vibration mechanism for vibrating the touch screen panel, the vibration mechanism being provided near the periphery of the touch screen panel so as to be closer to the first support member than to the second support member. The first support member has a rigidity which is greater than a rigidity of the second support member. | 01-10-2013 |
20130050568 | LENS BARREL, IMAGING DEVICE AND CAMERA - A lens barrel includes a first zoom/focus lens group and a second zoom/focus lens group configured to respectively vary a focal distance and imaging distance by moving in an optical axis, a first actuator configured to drive the first zoom/focus lens group, and a second actuator configured to drive the second zoom/focus lens group. | 02-28-2013 |
20130070124 | LENS BARREL, IMAGING PICKUP DEVICE, AND CAMERA - A lens barrel comprises a first zoom/focus lens group and a second zoom/focus lens group configured to respectively vary a focal distance and imaging distance by moving in an optical axis, a first actuator configured to drive the first zoom/focus lens group, a second actuator configured to drive the second zoom/focus lens group, and a drive controller configured to independently control the first actuator and the second actuator. The drive controller is configured to wobble the first zoom/focus lens group by reciprocating only the first zoom/focus lens group out of the first and second zoom/focus lens groups in a optical axis direction. | 03-21-2013 |
20130120290 | ELECTRONIC DEVICE - The user is allowed to simulatively experience a tactile sensation that would be felt when actually touching on the object being displayed on a screen. An electronic device | 05-16-2013 |
20130141378 | ELECTRONIC DEVICE - An exemplary electronic device includes: a display section for displaying display information; a touch panel arranged on a display surface side of the display section; a display information position detection section for detecting a position of the display information displayed; a display control section for controlling a movement of the display information based on an operation by a user on the touch panel; a vibrating section for vibrating the touch panel; and a vibration control section for controlling a vibration pattern of the vibrating section. When the user operates the display information on the touch panel, the display control section controls the movement of the display information based on the position of the display information detected by the display information position detection section, and the vibration control section controls the vibrating section in association with the movement of the display information. | 06-06-2013 |
20130229384 | ELECTRONIC DEVICE - An electronic device | 09-05-2013 |
20130265268 | ELECTRONIC DEVICE - An electronic device | 10-10-2013 |
20130271412 | ELECTRONIC DEVICE - Provided is an electronic device including: a base; a panel; a support for supporting the panel with respect to the base; and a vibrator for causing the panel to vibrate at a given frequency. The support includes a first region located at a part corresponding to a node of vibration of the panel, and a second region located at a part other than the node of the vibration of the panel. The support has a rigidity that is smaller in the first region than in the second region. | 10-17-2013 |
20130278179 | DRIVE UNIT - A drive unit includes an ultrasonic actuator having an actuator body formed using a piezoelectric element, and a driving element provided on the actuator body and configured to output a driving force by moving according to the vibration of the actuator body, and a control section configured to induce the vibration in the actuator body by applying a first and a second AC voltages having a same frequency and different phases to the piezoelectric element. The control section adjusts the first AC voltage and the second AC voltage so that the first AC voltage and the second AC voltage have different voltage values from each other. | 10-24-2013 |
20130285910 | ELECTRONIC DEVICE - The electronic device | 10-31-2013 |
20130307803 | ELECTRONIC DEVICE - An electronic device | 11-21-2013 |
20130307804 | ELECTRONIC DEVICE - An electronic device | 11-21-2013 |
20130314355 | ELECTRONIC DEVICE - An exemplary electronic device includes: a housing; a display configured to display an operation area; a touch screen panel configured to detect at least an input operation made by a user to the operation area; a first vibrator configured to vibrate at least one of the display and the touch screen panel; a second vibrator configured to vibrate the housing; and a vibration controller configured to control vibration of the first vibrator and the second vibrator in accordance with the input operation of the user to the touch screen panel. | 11-28-2013 |
20140028157 | ELECTRONIC DEVICE - Provided is an electronic device including: a base; a panel; a support for supporting the panel with respect to the base; and a vibrator for causing the panel to vibrate at a given frequency. The support includes a first region located at a part corresponding to a node of vibration of the panel, and a second region located at a part other than the node of the vibration of the panel. The support has a rigidity that is smaller in the first region than in the second region. | 01-30-2014 |
20140043272 | ELECTRONIC APPARATUS - An electronic apparatus | 02-13-2014 |
20140082491 | ELECTRONIC DEVICE AND EDITING METHOD FOR SYNTHETIC IMAGE - The electronic device includes: a display device capable of displaying a captured image and an item image; a touch screen panel for accepting an operation by a user; and a control circuit for calculating a displayed position and a displayed size for the item image based on a position and a size of a reference object in the captured image, generating a synthetic image in which the item image is merged with the captured image, and causing the display device to display the synthetic image, the control circuit generating a synthetic image in which the displayed position and displayed size of the item image are adjusted in accordance with an operation on the touch screen panel by the user. | 03-20-2014 |
20140104203 | ELECTRONIC DEVICE, INFORMATION PROVIDING SYSTEM, AND METHOD FOR CONTROLLING ELECTRONIC DEVICE - An electronic device | 04-17-2014 |
20140104216 | ELECTRONIC DEVICE - An electronic device | 04-17-2014 |
20140132547 | ELECTRONIC APPARATUS - An electronic device includes: a reproduction section for reproducing a content item; a touch panel for detecting a user operation for changing a reproduction position of the content item; and a vibrating section for vibrating the touch panel. The vibrating section varies the vibration of the touch panel depending on whether or not the reproduction position which has been changed through the user operation detected by the touch panel is a specified reproduction position. | 05-15-2014 |
20140300567 | ELECTRONIC APPARATUS - An electronic device | 10-09-2014 |
20140317498 | INFORMATION PRESENTATION METHOD AND ELECTRONIC DEVICE - A method according to an embodiment of the present disclosure is a method of notifying a specific option among plural options to a user by using an electronic device | 10-23-2014 |
20140320432 | TRAFFIC INFORMATION PRESENTATION SYSTEM, TRAFFIC INFORMATION PRESENTATION METHOD, AND ELECTRONIC DEVICE - A traffic information presentation system according to an embodiment is a system for presenting a tactile sensation to a user based on traffic information, including: a touch section; a tactile presentation section; an input section for receiving traffic information; and a control section for controlling the tactile presentation section based on the traffic information. The control section monitors a status of touch with respect to the touch section, and accepts an instruction from the user that corresponds to the touch input operation when detecting that an amount of change in touched position equals to or exceeds a certain amount. When detecting that the amount of change in touched position is less than the certain amount and that the touch duration equals to or exceeds a certain length, the control section causes the tactile presentation section to present a tactile sensation based on the traffic information. | 10-30-2014 |