Abstract: A solid electrolyte material according to the present disclosure is represented by the chemical formula Li6?4b+ab(Zr1?aMa)bX6 (I). M denotes at least one element selected from the group consisting of Al, Ga, Bi, Sc, Sm, and Sb, X denotes at least one halogen element, and the two mathematical formulae 0<a<1 and 0<b<1.5 are satisfied.

Abstract: The camera side mount is brought, by relative rotation with the accessory side mount, from a first state where each accessory side bayonet claw is inserted between the camera side bayonet claws into a second state where the camera side and accessory side bayonet claws engage with each other. The leaf spring biasing the camera side contact pins in the protruding direction is disposed between the camera side mount and the camera body. When the camera being in the normal position is viewed from the direction facing the camera side mount, the leaf spring extends from both sides of the mount center line, which extends from the center of the camera side mount in the direction of gravity, toward the camera side contact pins. The camera side contact pins are arranged at positions other than a position on the mount center line.

Abstract: The camera accessory is attachable to a camera by relatively rotating from a first state to a second state. Camera side contact pins include a first camera side contact pin making contact with an accessory side contact holding portion in the first state and second camera side contact pins not making contact with the accessory side contact holding portion in the first state. Accessory side contact surfaces include a first accessory side contact surface making contact with the first camera side contact pin in the second state and second accessory side contact surfaces not making contact with the first camera side contact pin in the second state. A pitch between the first and second accessory side contact surfaces adjacent thereto is larger than a pitch between the second accessory side contact surfaces adjacent to each other.

Abstract: The present invention provides the following camera. A first camera-side contact pin is a pin corresponding to detection of a signal change caused by coupling of a camera accessory. A second camera-side contact pin is a pin corresponding to supply of power for communication with the coupled camera accessory. A third camera-side contact pin is a pin corresponding to supply of a driving force to an actuator of the camera accessory. The first, second, and third camera-side contact pins are disposed in such a manner that, when a camera-side mount shifts from a first state to a second state, the third camera-side contact pin contacts first and second accessory-side contact surfaces, the second camera-side contact pin contacts the first accessory-side contact surface, and the first camera-side contact pin does not contact the second and third accessory-side contact surfaces.

Abstract: The camera side mount is brought, by relative rotation with the accessory side mount, from a first state where each accessory side bayonet claw is inserted between the camera side bayonet claws into a second state where the camera side and accessory side bayonet claws engage with each other. The leaf spring biasing the camera side contact pins in the protruding direction is disposed between the camera side mount and the camera body. When the camera being in the normal position is viewed from the direction facing the camera side mount, the leaf spring extends from both sides of the mount center line, which extends from the center of the camera side mount in the direction of gravity, toward the camera side contact pins. The camera side contact pins are arranged at positions other than a position on the mount center line.

Abstract: A thermoelectric converter includes a first substrate, a second substrate, a plurality of thermoelectric conversion elements, and a group of electrodes. The plurality of thermoelectric conversion elements are disposed between the first substrate and the second substrate. The group of electrodes electrically interconnect the plurality of thermoelectric conversion elements. The plurality of thermoelectric conversion elements are arranged in a plurality of rows including a first row and a second row. The first row is adjacent to the second row. The group of electrodes includes a first electrode and a second electrode having a different shape from the first electrode. The second electrode includes a first notch and a second notch each of which is disposed on an edge of the second electrode. The first notch is disposed to separate one of the plurality of thermoelectric conversion elements in the first row and one of the plurality of thermoelectric conversion elements in the second row.

Abstract: A cooling device includes a cylindrical body having thermal conductivity, a plurality of thermoelectric converters, and a feeder cable. The plurality of thermoelectric converters are arranged along a periphery of the cylindrical body and disposed dispersedly along an axis of the cylindrical body. The feeder cable connects two or more thermoelectric converters arranged along the periphery of the cylindrical body in series among the plurality of thermoelectric converters to form each of a plurality of sets of thermoelectric converters. And the feeder cable forms a circuit for power feeding of the each of the plurality of sets of thermoelectric converters. A voltage is applied individually to each of circuits that includes the circuit so that thermoelectric converters of the each of the circuits in the plurality of thermoelectric converters are driven.

Abstract: The camera accessory is attachable to a camera by relatively rotating from a first state to a second state. Camera side contact pins include a first camera side contact pin making contact with an accessory side contact holding portion in the first state and second camera side contact pins not making contact with the accessory side contact holding portion in the first state. Accessory side contact surfaces include a first accessory side contact surface making contact with the first camera side contact pin in the second state and second accessory side contact surfaces not making contact with the first camera side contact pin in the second state. A pitch between the first and second accessory side contact surfaces adjacent thereto is larger than a pitch between the second accessory side contact surfaces adjacent to each other.

Abstract: The camera side mount is brought, by relative rotation with the accessory side mount, from a first state where each accessory side bayonet claw is inserted between the camera side bayonet claws into a second state where the camera side and accessory side bayonet claws engage with each other. The leaf spring biasing the camera side contact pins in the protruding direction is disposed between the camera side mount and the camera body. When the camera being in the normal position is viewed from the direction facing the camera side mount, the leaf spring extends from both sides of the mount center line, which extends from the center of the camera side mount in the direction of gravity, toward the camera side contact pins. The camera side contact pins are arranged at positions other than a position on the mount center line.

Abstract: A roller device includes a roller, an electronic device, a slip ring, a hood member, and a duct. The electronic device is disposed in an interior of the roller. The slip ring supplies electric power to the electronic device. The hood member covers a region between a rotating shaft of the slip ring and an end portion of the roller. The duct covers the slip ring, and extends in a direction away from the roller.

Abstract: The present invention provides the following camera. A first camera-side contact pin is a pin corresponding to detection of a signal change caused by coupling of a camera accessory. A second camera-side contact pin is a pin corresponding to supply of power for communication with the coupled camera accessory. A third camera-side contact pin is a pin corresponding to supply of a driving force to an actuator of the camera accessory. The first, second, and third camera-side contact pins are disposed in such a manner that, when a camera-side mount shifts from a first state to a second state, the third camera-side contact pin contacts first and second accessory-side contact surfaces, the second camera-side contact pin contacts the first accessory-side contact surface, and the first camera-side contact pin does not contact the second and third accessory-side contact surfaces.

Abstract: A thermoelectric converter includes a first substrate, a second substrate, a plurality of thermoelectric conversion elements, and a group of electrodes. The plurality of thermoelectric conversion elements are disposed between the first substrate and the second substrate. The group of electrodes electrically interconnect the plurality of thermoelectric conversion elements. The plurality of thermoelectric conversion elements are arranged in a plurality of rows including a first row and a second row. The first row is adjacent to the second row. The group of electrodes includes a first electrode and a second electrode having a different shape from the first electrode. The second electrode includes a first notch and a second notch each of which is disposed on an edge of the second electrode. The first notch is disposed to separate one of the plurality of thermoelectric conversion elements in the first row and one of the plurality of thermoelectric conversion elements in the second row.

Abstract: The present invention provides the following camera. A first camera-side contact pin is a pin corresponding to detection of a signal change caused by coupling of a camera accessory. A second camera-side contact pin is a pin corresponding to supply of power for communication with the coupled camera accessory. A third camera-side contact pin is a pin corresponding to supply of a driving force to an actuator of the camera accessory. The first, second, and third camera-side contact pins are disposed in such a manner that, when a camera-side mount shifts from a first state to a second state, the third camera-side contact pin contacts first and second accessory-side contact surfaces, the second camera-side contact pin contacts the first accessory-side contact surface, and the first camera-side contact pin does not contact the second and third accessory-side contact surfaces.

Abstract: The camera accessory is attachable to a camera by relatively rotating from a first state to a second state. Camera side contact pins include a first camera side contact pin making contact with an accessory side contact holding portion in the first state and second camera side contact pins not making contact with the accessory side contact holding portion in the first state. Accessory side contact surfaces include a first accessory side contact surface making contact with the first camera side contact pin in the second state and second accessory side contact surfaces not making contact with the first camera side contact pin in the second state. A pitch between the first and second accessory side contact surfaces adjacent thereto is larger than a pitch between the second accessory side contact surfaces adjacent to each other.

Abstract: A thermoelectric converter includes a first substrate that is deformable, a second substrate that is deformable, a plurality of thermoelectric conversion elements, and a group of electrodes. The plurality of thermoelectric conversion elements are disposed between the first substrate and the second substrate. The group of electrodes electrically interconnect the plurality of thermoelectric conversion elements. The plurality of thermoelectric conversion elements are arranged in a plurality of rows. The group of electrodes include a bridge electrode disposed across a first row and a second row among the plurality of rows. The first row is adjacent to the second row. The bridge electrode has a first part whose thickness is smaller than a thickness of each of remaining electrodes other than the bridge electrode among the group of electrodes and whose surface area is larger than a surface area of each of the remaining electrodes.

Abstract: In a case where a second operation is not performed even if a predetermined amount of time elapses after a first operation has been performed, a control unit drives a motor in a second direction, whereby a cam member is driven by biasing force of a biasing member and driving force of the motor until the charge of the biasing member is disengaged, the driving of the motor by the control unit is stopped, and the control unit drives the motor in the second direction based on the second operation, whereby the cam member is driven by the driving force of the motor, the engaging portion follows through a first zone, and thereafter the control unit drives the motor in the second direction, whereby the engaging member follows through the second zone.

Abstract: A thermoelectric converter includes a first substrate that is deformable, a second substrate that is deformable, a plurality of thermoelectric conversion elements, and a group of electrodes. The plurality of thermoelectric conversion elements are disposed between the first substrate and the second substrate. The group of electrodes electrically interconnect the plurality of thermoelectric conversion elements. The plurality of thermoelectric conversion elements are arranged in a plurality of rows. The group of electrodes include a bridge electrode disposed across a first row and a second row among the plurality of rows. The first row is adjacent to the second row. The bridge electrode has a first part whose thickness is smaller than a thickness of each of remaining electrodes other than the bridge electrode among the group of electrodes and whose surface area is larger than a surface area of each of the remaining electrodes.

Abstract: A control unit driving a motor in a first direction based on output of a first signal, whereby a cam member charges a biasing member, and thereafter the control unit controls driving of the motor so as to stop the cam member in the state where the biasing member is charged, and the control unit drives the motor in a second direction that is the opposite direction to the first direction, whereby the cam member is driven by biasing force of the biasing member and driving force of the motor, an engaging portion follows through a first zone, and thereafter the cam member is driven by the driving force of the motor without using the biasing force of the biasing member, and the engaging portion follows through the second zone.

Abstract: The present invention provides the following camera. A first camera-side contact pin is a pin corresponding to detection of a signal change caused by coupling of a camera accessory. A second camera-side contact pin is a pin corresponding to supply of power for communication with the coupled camera accessory. A third camera-side contact pin is a pin corresponding to supply of a driving force to an actuator of the camera accessory. The first, second, and third camera-side contact pins are disposed in such a manner that, when a camera-side mount shifts from a first state to a second state, the third camera-side contact pin contacts first and second accessory-side contact surfaces, the second camera-side contact pin contacts the first accessory-side contact surface, and the first camera-side contact pin does not contact the second and third accessory-side contact surfaces.

Abstract: A thermoelectric conversion device for cooling an object includes a thermoelectric converter and a structure. The thermoelectric converter has a cooling surface and a heat generating surface. The cooling surface is for cooling the object. The heat generating surface is on a side opposite to the cooling surface. The structure removes heat from the heat generating surface. The structure includes a heat transfer member, a pipe through which water flows, and a heat radiation member. The heat transfer member is joined to the heat generating surface. The pipe is disposed on the heat transfer member. The heat radiation member extends inside the pipe from the heat transfer member. A kitchen unit includes a thermoelectric conversion device, a main body, and a cooling plate. The cooling plate is disposed on an upper surface of the main body, and is cooled by the thermoelectric converter.