Abstract: A vibration device comprising; a vibrator which generates bending vibration on a predetermined member, a controller which controls a driver to drive the vibrator, wherein; the vibrator comprises a plurality of driving electrodes electrically insulated respectively, the controller controls the driver to make phases of driving signals respectively output to the plurality of driving electrodes changeable relatively and adjust an order of the bending vibration.

Abstract: The present invention provides an image restoration apparatus, a camera and a program which are capable of performing image restoration with simple construction. A specific area within a captured image is specified, and a calculation of a point spread function and the image restoration calculation are carried out using an image in the specific area.

Abstract: A displacement detection device which detects a displacement of a movable member which is provided so as to be displaceable with respect to a fixed member, comprises: a scale that is provided as a unit with the movable member; a displacement detection section that detects a displacement of the scale; a support member that supports the displacement detection section in a state in which the displacement detection section is able to shift in a direction which is substantially perpendicular to a contact plane where the displacement detection section contacts with the scale at a contact position between the displacement detection section and the scale and in which shifting in a direction other than the direction substantially perpendicular to the contact plane is restricted; and a pressure application member that applies a pressure to the displacement detection section towards the scale.

Abstract: A displacement detection device which detects a displacement of a movable member which is provided so as to be displaceable with respect to a fixed member, comprises: a scale that is provided as a unit with the movable member; a displacement detection section that detects a displacement of the scale; a support member that supports the displacement detection section in a state in which the displacement detection section is able to shift in a direction which is substantially perpendicular to a contact plane where the displacement detection section contacts with the scale at a contact position between the displacement detection section and the scale and in which shifting in a direction other than the direction substantially perpendicular to the contact plane is restricted; and a pressure application member that applies a pressure to the displacement detection section towards the scale.

Abstract: A blur correcting device comprises: a blur correction optical system that corrects an image blur by moving along a direction extending substantially perpendicular to an optical axis; a movable member that includes the blur correction optical system and moves together with the blur correction optical system; a blur correction drive unit that drives the movable member; and a pressure member that applies pressure to the movable member in a direction extending substantially along the optical axis of the blur correction optical system, and switches between a state in which the pressure is applied to the movable member and a state in which no pressure is applied to the movable member by moving within a plane substantially perpendicular to the optical axis.

Abstract: A blur correcting device comprises: a blur correction optical system that corrects an image blur by moving along a direction extending substantially perpendicular to an optical axis; a movable member that includes the blur correction optical system and moves together with the blur correction optical system; a blur correction drive unit that drives the movable member; and a pressure member that applies pressure to the movable member in a direction extending substantially along the optical axis of the blur correction optical system, and switches between a state in which the pressure is applied to the movable member and a state in which no pressure is applied to the movable member by moving within a plane substantially perpendicular to the optical axis.

Abstract: A vibration actuator includes a vibration element, which simultaneously generates a radial symmetric expansion vibration mode in which it expands and contracts in the radial direction and a non-axisymmetric planar vibration mode in which it bends to and fro in a non-axisymmetric manner within a single plane, and thereby drives a relative movement member, and a base member to which the vibration element is fixed. The vibration element includes at least one superimposed layer structure comprising a pair of electrical energy to mechanical energy conversion elements and an elastic member sandwiched between the pair of electrical energy to mechanical energy conversion elements. The elastic member includes a ring shaped portion to both the sides of which the pair of electrical energy to mechanical energy conversion elements are stuck, and a cylindrical shaped support portion, formed integrally with the ring shaped portion, which fixes the vibration element to the base member.

Abstract: An ultrasonic actuator to suppress or eliminate pitching vibration arising in a vibration element when driving the ultrasonic actuator and to increase driving efficiency and reduce noise. The ultrasonic actuator includes a vibration element; an electromechanical conversion element mounted on the vibration element to generate a drive force in the vibration element by excitation of the electromechanical conversion element; drive force output members to extract a drive force obtained by excitation of the electromechanical conversion element; a relative motion member in contact with the drive force output members and driven in relative motion with respect to the vibration element by the drive force; a base member; and a fixed member to fix the vibration element to the base member.

Abstract: A vibration actuator having improved drive efficiency by preventing the generation of noise and unnecessary vibrations. The vibration actuator includes a vibration member to generate vibration in contact with a relative movement member and a supporting member to support the vibration member. The supporting member includes a plurality of position determining members in contact with vibration member at different locations. At least one of the plurality of position determining members provides the vibration member with an energy imparting force.

Abstract: A vibration actuator comprising a vibration element including an elastic member and an electromechanical converting element and a relative movement member maintained in pressure contact with a driving face of the vibration element, wherein the electromechanical converting element includes a longitudinal vibration generating electromechanical converting element for generating a longitudinal vibration for generating a displacement along the axial direction of the vibration element, and a torsional vibration generating electromechanical converting element for generating a torsional vibration for generating a torsional displacement around the axis of the vibration element, and the longitudinal vibration generating electromechanical converting element and the torsional vibration generating electromechanical converting element are provided on a substantially same plane.

Abstract: A vibration actuator combines plural elastic members and vibration elements to generate torsional vibrations about an axis and longitudinal vibrations in an axial direction. The vibration actuator includes a fixed member passing through a hollow portion of a plurality of vibration elements and supports the vibration elements within a gap in an inner surface of the vibration elements. A combination of semicylindrical members generate a second order torsional vibration around the axis and a first order longitudinal vibration in the axial direction of the vibration actuator. The fixed shaft also passes through a hollow portion of the vibration element. The vibration element and the fixed shaft are affixed by a pin, thereby eliminating a need for a more restrictive connection with bolts. Thus, vibration restriction of the vibration actuator is enhanced and driving efficiency is increased.

Abstract: An image correcting camera, for precisely detecting translational vibrations of the camera and precisely correcting an image shake, includes an acceleration detector for detecting tri-axis directional accelerations acting on the camera, an angular velocity detector for detecting angular velocities about the tri-axes that act upon the camera, an attitude calculating device for calculating a coordinate transform matrix between a camera coordinate system and a static coordinate system from the tri-axis directional accelerations and the angular velocities about the tri-axes, and a gravitational acceleration component calculating device for calculating a gravitational acceleration component in the camera coordinate system from the coordinate transform matrix. An initial velocity is calculated from the acceleration with an elimination of the gravitational acceleration component, and a velocity is calculated from the acceleration thereof and the initial velocity. A displacement is calculated from this velocity.

Abstract: An ultrasonic motor having a linear elastic body which contacts a relative movement member, piezo-electric elements which are joined to the elastic body, and a first waveform generator which repeatedly generates drive signals that have a first waveform part in which the drive voltage changes slowly on the piezo-electric elements and a second waveform part in which the drive voltage changes rapidly. The ultrasonic motor further has a second waveform generator which produces elliptical movement that is generated by the combined vibrations of longitudinal vibration and flex vibration on the elastic body based on applying sine waves having differing phases to specific locations of the piezo-electric elements and a controller which selectively switches the outputs of the first and second waveform generators.

Abstract: A vibration actuator includes a vibration member constituted by two substantially semi-cylindrical elastic members, a relative moving member disposed on an end face of the vibration member, a first electro-mechanical converting element for generating a torsional vibration about the axis of the vibration member, a second electro-mechanical converting element for generating a longitudinal vibration in the axial direction of the vibration member, a pressing member for making the relative moving member and the vibration member press contact with each other, and a support member the outer circumferential portion of the vibration member to protrude therefrom in the radial direction of the vibration member, and which supports the vibration member.

Abstract: A vibration actuator comprises a rod-shaped vibration element including an elastic unit having plural elastic members and an electromechanical converting device with portions mounted between mutually adjacent ones of the elastic members and adapted to generate mutually different plural vibrations and a relative movement member contacting an end face of the vibration element and adapted to effect a movement relative to the vibration element. The vibration element is so formed that the cross section thereof perpendicular to the axis thereof varies along the axis.

Abstract: A vibration driven motor can be driven with high torque at high rotation, and has a simple structure that can be manufactured easily. The motor may comprise a stator in a cylindrical form, a rotor disposed on the end surface of the stator and a pressing member for pressing the rotor on the stator with pressure, the stator may include a first piezoelectric electro-mechanical converting element for generating torsional vibration around the axis of the stator, a second electro-mechanical converting element for generating longitudinal vibration in the axial direction of the stator, and a pair of substantially semi-cylindrical vibration members, and the first or second piezoelectric element may be one or more plate-like members sandwiched by the vibration members of the stator.

Abstract: An acceleration and angular velocity detector comprises a body mass, a flexible portion, which is connected to the body mass, that deforms in consonance with a displacement of the body mass, and a peripheral support for supporting the flexible portion. A vibration device causes the body mass to vibrate circularly in two dimensions. A displacement detection device independently detects displacements of the body mass in three axes directions and outputs a signal and a signal processor calculates acceleration in the three axes directions and angular velocities around three axes by employing the signal that is output by the displacement detection device.

Abstract: A dynamic amount detector generates correction information according to a predetermined relational expression, based on directions and magnitudes of dynamic amounts which are opposite to each other and imparted to one of directions of a plurality of detection axes, directions and magnitudes of dynamic amounts imparted to respective directions of the remaining detection axes, and detection values in a dynamic amount detecting means obtained when these dynamic amounts are respectively imparted. By means of this correction information, the output value detected by the dynamic amount detecting means is corrected. While a high detection accuracy is attained, the correction information concerning detection accuracy can be determined simply.

Abstract: In an image correcting camera capable of correcting movement of an image properly by detecting translational movements thereof, there are provided acceleration detectors for detecting respective accelerations in directions of three axes acting on the camera, angular rate detectors for detecting respective angular rates around the three axes acting on the camera, an attitude determining device for calculating a coordinate transformation matrix between a camera coordinate system and a static coordinate system from the accelerations in the three axial directions and the angular rates around the three axes, and a gravitation acceleration component calculating device for calculating gravitational acceleration components in the camera coordinate system by the use of the coordinate transformation matrix.

Abstract: A data write apparatus includes a card conveyor path, a recording head, a sensor circuit, a Central Processing Unit (CPU), a drive circuit, and an enable section. A magnetic card is conveyed in the card conveyor path. The recording head is arranged on the card conveyor path and performs a recording operation on the magnetic card by energizing a winding coil. The sensor circuit is arranged on the card conveyor path near the recording head and detects the magnetic card conveyed in the card convey or path to output a detection signal. The CPU outputs write data to be written on the magnetic card in response to the detection signal from the sensor circuit. The drive circuit energizes the winding coil of the recording head on the basis of the write data from the CPU to perform the recording operation.