Canon Kabushiki Kaisha

Shunsuke Ninomiya

Ryo Yamasaki

Makoto Oikawa

Kazuharu Osawa

Ryo Abe

Kenta Takai

Mai Nakabayashi

Yasufumi Yamamoto

Kyouhei Suzuki

Hitoshi Nishitani

Fumihiro Kajimura

Yusuke Sasaki

Kousuke Kiyamura

Takumi Yamanaka

Shinsuke Yoshida

Shinsuku Yoshida

A display device includes a pair of display units each including displaysR andL and ocular optical systemsR andL. A first driving unit can change an optical positional relationship between the displaysR andL and the ocular optical systemsR andL. A second driving unit can change an interval between the pair of display units. An interpupillary distance adjustment unit adjusts the interval between the display units by the second driving unit in accordance with a detection result obtained by the interpupillary distance detector. After interpupillary distance adjustment is performed, a diopter adjustment unit performs diopter adjustment related to the display unit by the first driving unit.

Display device, control method thereof

A driving apparatus includes a fixed unit, a first movable unit held rotatably about a first axis relative to the fixed unit, a second movable unit held rotatably about a second axis different from the first axis relative to the first movable unit, a bearing configured to support the first movable unit rotatably about the first axis relative to the fixed unit, a first wiring having one end connected to the fixed unit and another end connected to the first movable unit, and a second wiring having one end connected to the fixed unit and another end connected to one of the first movable unit and the second movable unit. The first wiring includes a wound portion wound around the first axis and provided outside the bearing in a radial direction of the bearing. The second wiring is inserted inside the bearing.

Driving apparatus

Display device capable of interpupillary distance adjustment and diopter adjustment, and control method thereof

A display unit and a lens included in a display device constitute a plurality of display optical systems that display a video for each of a user's left eye and right eye. The display device includes a diopter change instruction unit and a diopter change driving unit that can change a diopter related to the plurality of display optical systems, and an object position calculation unit that calculates an object position of a display object in a video. The diopter change instruction unit gives a driving instruction to the diopter change driving unit on the basis of information acquired from a user information recording unit and an operation mode recording unit that record information on usage conditions of the display device.

Display device, control method thereof, and recording medium

A vibration type motor includes first and second vibrators, a friction member configured to contact the first and second vibrators, a pressure member configured to press the first and second vibrators against the friction member, and first and second guide members configured to guide a relative movement between the first and second vibrators and the friction member. The first and second vibrators are spaced in a direction different from a relative movement direction between the first and second vibrators and the friction member. The first and the second guide member are provided between the first vibrator and the second vibrator in a direction different from the relative movement direction. A pressure center of a pressure applied to the first vibrator and the second vibrator by the pressure member is located between the first guide member and the second guide member.

Vibration type motor for guiding movement of a friction member, and lens apparatus and electronic apparatus including said motor

Provided is a vibration wave motor, including: a vibrator including a piezoelectric element and a vibrating plate; a friction member, which includes a friction-contact surface to be brought into contact with the vibrator, and is configured to perform relative movement with respect to the vibrator by vibration generated by the vibrator; and a guide mechanism, which includes a first guide member, a second guide member, and a rolling member arranged between the first guide member and the second guide member, and is configured to guide the relative movement, wherein the first guide member includes a groove portion formed of a first surface and a second surface to be brought into contact with the rolling member, and wherein the first surface is longer than the second surface in a direction of the relative movement.

Vibration wave motor and drive device

A vibration wave motor includes a vibrator; a first holding member configured to hold the vibrator; a second holding member; an elastic coupling member configured to couple the first holding member and the second holding member to each other; a friction member; and a pressurizing unit, wherein the vibrator and the friction member relatively move due to vibration of the vibrator, wherein the elastic coupling member includes a first coupling portion and a second coupling portion, and wherein one of the first coupling portion and the second coupling portion is arranged on a straight line that is parallel to a direction of the relative movement and passes through a pressurizing gravity center and another of the first coupling portion and the second coupling portion is arranged on a straight line that is orthogonal to the direction of the relative movement and passes through the pressurizing gravity center.

Vibration wave motor and driving apparatus using vibration wave motor

A driving device includes a vibrator; a friction member; a first guide portion that guides the vibrator or the friction member in a first direction when the vibrator vibrates so that the vibrator and the friction member move relative to each other, the first guide portion enabling rotation of the vibrator and the friction member around an axis in the first direction; a moving member that moves when the vibrator and the friction member move relative to each other, the moving member being connected to the member to be driven; and a second guide portion that guides the member to be driven in a second direction when the moving member moves. The moving member is connected to the member to be driven such that the moving member is rotatable and movable in a direction orthogonal to the first direction with respect to the member to be driven.

Driving device, optical device, and image pickup device

Included are a vibrator including a protruding portion that performs high frequency vibration; a friction member, the vibrator being pressed to cause the protruding portion to abut to the friction member; a fixing member to which either the vibrator or the friction member; a movable member that moves integratedly with either the vibrator or the friction member; a plurality of rotating members enabling relative movement between the friction member and the movable member; and a falling off restriction portion that prevents the rotating members provided in either the fixing member or the movable member from falling off, wherein the falling off restriction portion abuts to an opposed portion opposed to the falling off restriction portion to restrict a movable range of the movable member in a pressing direction and to prevent the rotating members from falling off.

Vibration wave motor

Provided is a vibration wave motor, including: a vibrator; a friction member, which is in friction contact with the vibrator; a pressurizing unit, which is configured to pressurize the vibrator against the friction member; and a guiding unit, which is configured to guide relative movement between the vibrator and the friction member, wherein the relative movement between the vibrator and the friction member is caused by vibration generated by the vibrator, and wherein the guiding unit holds the friction member and has fixing portions, and the fixing portions are formed in the guiding unit in vicinities of both ends of the guiding unit sandwiching the friction member.

Vibration wave motor and driving device including the vibration wave motor

A vibration wave motor includes a vibrator, a friction member having a sliding surface, a guide member, a flexible substrate, and a fixing member configured to fix the friction member, the guide member, and the flexible substrate. The vibrator and the friction member move relative to each other in a predetermined direction. The fixing member includes a substrate-fixing portion configured to fix the flexible substrate, which includes a joint portion, an extending portion extending along the predetermined direction, a bent portion configured to reverse and turn back the extending portion, and a fixed portion to be fixed to the substrate-fixing portion. The flexible substrate is fixed on a surface of the substrate-fixing portion provided in a direction opposite to a direction in which the vibrator is brought into pressure-contact with the friction member.

Vibration wave motor and driving device

A vibration wave motor includes a first holding member; a second holding member; a first regulating region; and a second regulating region, wherein a position of a first contact region of the first holding member, which comes into contact with the first regulating region, is different from a position of a second contact region of the second holding member, which comes into contact with the second regulating region, and wherein a position of the first regulating region is different from a position of the second regulating region in the relative movement direction so that, in the relative movement direction, a difference between a distance from the first contact region to the first regulating region and a distance from the second contact region to the second regulating region is shorter than a difference between the position of the first contact region and the position of the second contact region.

Vibration wave motor and drive device using the same

Provided is a vibration wave motor, including: a vibration body; a friction member; a press member configured to pressurize the vibration body against the friction member; a base member configured to fix the friction member; and a damping member configured to damp vibration, wherein the vibration body and the friction member are configured to move relative to each other, wherein the friction member includes: a first surface having a first region held in abutment against the vibration body; and a second surface, which is a back surface of the first surface, and has a second region held in abutment against the base member, wherein at least one of the first surface and the second surface has a third region held in contact with the damping member, and wherein positions of the first region and the third region in a pressurizing direction of the press member are different from each other.

Vibration wave motor and electronic equipment using vibration wave motor

A vibration wave motor including: a vibrator; a friction member; and a pressurizing member configured to press the vibrator and the friction member into contact with each other. The vibrator and the friction member are relatively moved in a direction orthogonal to the pressurizing direction of the pressurizing member by vibrations generated on the vibrator, the vibrator and the friction member are configured so as to move in parallel with the pressurizing direction with respect to a fixed member, and the vibration wave motor further includes at least one first restricting portion that restricts a movable amount of the friction member in the pressurizing direction and at least one second restricting portion that restricts a movable amount of the vibrator in the pressurizing direction, such that the movable amount of the friction member is smaller than the movable amount of the vibrator in the pressurizing direction.

Vibration wave motor and lens drive apparatus including the vibration wave motor

Provided is an image blur correction device, including a driven member configured to hold a correction target member; a plurality of actuators configured to move a driven member within a plane; a first movable member configured to guide a movement of the driven member in a first direction; a second movable member configured to guide a movement of the driven member in a second direction different from the first direction; and a fixing member configured to movably hold the driven member, the first movable member, and the second movable member, wherein the fixing member is sandwiched at least between the driven member and the first movable member or between the driven member and the second movable member.

Growing community of inventors

Fujisawa, Japan

Shunsuke Ninomiya