Patent application number | Description | Published |
20100165493 | Lens barrel, an imaging device, a optical system retaining method and a manufacturing method - A lens barrel comprising: a first retention member that includes a first engaging portion, which engages with a guide shaft, and that retains a first optical system and a second optical system, which is different from the first optical system, to be integrally movable along the guide shaft; and a second retention member that includes a second engaging portion, which engages with the guide shaft, and that retains a third optical system, which is disposed between the first optical system and the second optical system, to be movable independently of the first and second optical systems. | 07-01-2010 |
20100247087 | Actuator and imaging device - Provided is a vibration actuator comprising an elastic body; an electromechanical transducer that causes the elastic body to vibrate; and a rotating body that rotates in response to a drive force received from contact with the elastic body at a vibrational antinode thereof, wherein the rotating body contacts the elastic body at a prescribed position along a direction in which an axis of the rotation extends. In the vibration actuator, the elastic body includes an elastic body contact member that is arranged in a region that includes the vibrational antinode of the elastic body, the rotating body includes a rotating body contact member that receives a drive force by contacting the elastic body contact member, and one of the elastic body contact member and the rotating body contact member has a contact surface that is oriented diagonally to the axis of rotation and contacts the other of the elastic body contact member and the rotating body contact member. | 09-30-2010 |
20120026613 | ACTUATOR, DRIVE DEVICE, LENS UNIT, IMAGE-CAPTURING DEVICE - It is an objective of the present invention to provide an actuator that can efficiently enlarge a displacement amount of a moving element. Provided is an actuator that moves a moving element, comprising a drive element that contacts the moving element; a drive unit that moves the moving element in a movement direction by moving a contact portion of the drive element contacting the moving element in the movement direction and in an opposite direction that is opposite the movement direction, such that movement speed in the opposite direction is greater than movement speed in the movement direction; and a displacement enlarging section that joins the drive unit and the drive element to each other, and transmits enlarged displacement of the drive unit to the drive element. | 02-02-2012 |
20120243112 | Lens Barrel, An Imaging Device, A Optical System Retaining Method and A Manufacturing Method - A lens barrel comprising: a first retention member that includes a first engaging portion, which engages with a guide shaft, and that retains a first optical system and a second optical system, which is different from the first optical system, to be integrally movable along the guide shaft; and a second retention member that includes a second engaging portion, which engages with the guide shaft, and that retains a third optical system, which is disposed between the first optical system and the second optical system, to be movable independently of the first and second optical systems. | 09-27-2012 |