Canon Kabushiki Kaisha

Yuko Iritani

Yuta Nakamura

Yoshinobu Shibayama

Yasuhiro Kojima

Yoji Oya

Yosaku Endo

Yuko Teruya

Koichi Shigeta

Shigeharu Aoki

Kazuna Oyama

An image capturing apparatus that realizes both of efficient heat dissipation and size reduction of an image capturing apparatus body. The image capturing apparatus includes an imaging board having an image sensor mounted thereon, a main circuit board that has heat generating devices mounted thereon and is arranged substantially in parallel to an imaging surface of the image sensor on a rear side of the imaging board, a duct unit disposed on a rear side of the main circuit board, and a cooling fan that draws outside air into the duct unit. The duct unit has a duct base opposed to the main circuit board and disposed substantially in parallel to the main circuit board, and a duct plate disposed obliquely to the duct base at a predetermined angle. The cooling fan is mounted on the duct plate.

Image capturing apparatus capable of efficiently discharging heat from heat generating devices and reduced in size

A small-sized image pickup apparatus which has space for locating a portion capable of applying image stabilization to an image pickup unit and is capable of capturing high-quality images by rapidly cooling an image sensor in the image pickup unit. The image pickup apparatus includes a housing, an image pickup unit disposed to divide an inner space of the housing into a first space and a second space, an electronic component, a first duct, and a second duct, where the second space is in front of the first space. The electronic component is in the first space. The first duct is in the first space, and includes a first heat exchanger that exchanges heat with the electronic component and a first flow path. The second duct is in the second space, and includes a second heat exchanger that exchanges heat with the image pickup unit, and a second flow path.

Image pickup apparatus with air cooling mechanism

An image capturing apparatus that can cool an image sensor without interfering with an anti-vibration movement of the image sensor. An image sensor substrate implements an image sensor. A control circuit substrate controls an entire apparatus. An anti-vibration mechanism moves the image sensor substrate in a plane perpendicular to an optical axis of a lens. A cooling fan and a first duct are arranged behind the control circuit substrate in an optical axis direction opposite to the lens. A second duct is branched from the first duct and dissipates heat of the image sensor substrate. Inside spaces of the first and second ducts are spatially separated from the substrates. The second duct is arranged at a position that partially overlaps with the image sensor substrate in viewing from a top and that does not touch the image sensor substrate even when the image sensor substrate moves to a closest position.

Image capturing apparatus with cooling mechanism

An image pickup apparatus includes an apparatus body having a first fixing part, a handle member having first and second fastening parts and a first holding member having a third fastening part fastened with the second fastening part and a second fixing part fixed to the first fixing part. Each of the three fastening parts includes: a radial gear and a through hole provided parallel to a fastening direction. The radial gear includes depressions and projections formed in uniform phase in normal line directions of a center axis of the through hole. The handle member is fixed to the first holding member by communicating the through hole of the second fastening part with the through hole of the third fastening part and by a bolt being fastened to a nut through the communicated through holes in a state where the radial gears of the three fastening parts are engaged.

Image pickup apparatus to which handle is attachable

A seesaw type operation unit having a new configuration is provided. A swinging member is capable of swinging in a predetermined direction with a rotation axis at a center. An urging member urges the swinging member to a neutral position. A detector includes a rotating portion which is arranged coaxially with the rotation axis and rotates integrally with the swinging member, and outputs a signal depending on a rotation amount of the rotating portion. An operating member receives an operation from an outside and causes the swinging member to rotate in the predetermined direction by the operation. A supporting member rotatably and coaxially supports the swinging member and the operating member. In a case where the operating member is rotated in the predetermined direction, the operating member pushes an end of the swinging member to rotate the operating member, the swinging member, and the rotating portion integrally with one another.

Seesaw type operation unit used for zooming operation in video camera and electronic device

An optical apparatus that is easy to assemble and prevents occurrence of an assembling failure. The optical apparatus includes an operation ring part having at least a focus ring and a zoom ring arranged along an optical axis and are rotatable thereabout. Encoders detect rotations of the focus ring and the zoom ring, respectively. A transmission mechanism is moved in accordance with rotation of the zoom ring and transmits rotation of the zoom ring to the encoder therefor. A regulation member regulates a range of rotation of the zoom ring to a predetermined angle range. When assembling the operation ring part, the encoders are inserted from the same direction, and the encoder for the focus ring is disposed in a range excluding an angle range through which the transmission mechanism is moved when the zoom ring is rotated through the predetermined angle range.

Growing community of inventors

Tokyo, Japan

Yuko Iritani