Abstract: A rotating electric machine includes: a field element that includes a magnet portion that includes a plurality of magnetic poles; an armature that includes an armature winding of multiple phases; and a power converter that is electrically connected to the armature winding. The rotating electric machine also includes: a plurality of electrical components that configure the power converter; and a housing member that includes a cylindrical portion that is provided on a radially inner side of a magnetic circuit portion that includes the magnet portion and the armature winding, and to which the plurality of electrical components are disposed. The cylindrical portion is provided with a coolant passage through which a coolant flows. The plurality of electrical components are arranged in the housing member on a radially inner side of the cylindrical portion, in a circumferential direction along the cylindrical portion.

Abstract: An endoscope includes: an imaging unit disposed at a distal end portion of an insertion section inserted into a body of a subject; and a built-in component provided parallel with the imaging unit at the distal end portion, and extending substantially parallel with an axial direction of the insertion section. The imaging unit includes: a solid state image sensor including a light receiving unit; a flexible circuit board electrically connecting the solid state image sensor; and a rigid circuit board at least partially disposed on a proximal end side of the endoscope relative to the solid state image sensor, and electrically connected to the flexible circuit board.

Abstract: An endoscope includes: an imaging unit disposed at a distal end portion of an insertion section inserted into a body of a subject; and a built-in component provided parallel with the imaging unit at the distal end portion, and extending substantially parallel with an axial direction of the insertion section. The imaging unit includes: a solid state image sensor including a light receiving unit; a flexible circuit board electrically connecting the solid state image sensor; and a rigid circuit board at least partially disposed on a proximal end side of the endoscope relative to the solid state image sensor, and electrically connected to the flexible circuit board.

Abstract: A solid-state image pickup apparatus includes an image pickup device electrically connected to a flexible printed board, a rigid board electrically connected to an image pickup device via the flexible printed board, and a signal cable incorporating a plurality of coaxial lines. The rigid board includes a first surface including a core-wire connecting section to which core wires of the coaxial lines are connected and a second surface including an external-conductor connecting section to which external conductors of the coaxial lines are connected and including a step having a height dimension substantially the same as a dimension difference between an outer diameter section of the core wires and an outer diameter section of the external conductors of the coaxial lines substantially parallel to the first surface. The plurality of coaxial lines are connected substantially in parallel to the first and second surfaces of the rigid board.

Abstract: An imaging module includes: a solid-state imaging element including a light receiving face for receiving light; a mounting substrate including a connection portion which is located inside an imaging element projection area that is a projection area where the solid-state imaging element is projected in an optical axis direction and which is connected to a back surface of the solid-state imaging element on a distal end side of the mounting substrate, the mounting substrate on a rear end side being extended in the optical axis direction; and a metallic reinforcing member that has a sleeve shape open at both ends and covers the solid-state imaging element and the connection portion of the mounting substrate along the optical axis direction in a state where an inner circumferential surface of the reinforcing member is away from the solid-state imaging element and the mounting substrate.

Abstract: An endoscope apparatus includes: a solid-state imaging element including a light receiving surface on a front face thereof; a circuit board arranged on a rear face side of the solid-state imaging element, the circuit board including a wiring pattern a part of which is exposed on a distal end side of the circuit board, the distal end side facing the solid-state imaging element; a first heat dissipation member arranged between the solid-state imaging element and the exposed part of the wiring pattern, the first heat dissipation member being in contact with the rear face of the solid-state imaging element and the exposed part of the wiring pattern; and a cable electrically connected to the wiring pattern. A width of the exposed part of the wiring pattern in contact with the first heat dissipation member is wider than that of the wiring pattern at a central part of the circuit board.

Abstract: An electric unit according to the invention has a first and a second image pickup cables having flexibility, a heat shrinkable tube having a cable bundling portion that bundles the first and the second image pickup cables, a first and a second substrates to which the first and the second image pickup cables are connected, an anti-mist element cable and a heat radiation cable that are bundled by the cable bundling portion together with the first and the second image pickup cables to protrude to sides of the first and the second substrates from the cable bundling portion, and a reinforcement frame that fixes core wires of both the cables, and both the anti-mist element cable and heat radiation cable cables are placed in positions that are deviated from a center axis of the heat shrinkable tube in the cable bundling portion.

Abstract: An imaging module includes: a solid-state imaging element including a light receiving face for receiving light; a mounting substrate including a connection portion which is located inside an imaging element projection area that is a projection area where the solid-state imaging element is projected in an optical axis direction and which is connected to a back surface of the solid-state imaging element on a distal end side of the mounting substrate, the mounting substrate on a rear end side being extended in the optical axis direction; and a metallic reinforcing member that has a sleeve shape open at both ends and covers the solid-state imaging element and the connection portion of the mounting substrate along the optical axis direction in a state where an inner circumferential surface of the reinforcing member is away from the solid-state imaging element and the mounting substrate.

Abstract: An electronic endoscope includes a distal end portion of an insertion portion which incorporates electronic components, a metal frame which holds an observation window, an earth member which is connected to a patient-side ground of an external device, and a static-protective member which is disposed in the distal end portion to have a predetermined clearance from the metal frame and is electrically connected to the earth member to let static electricity applied to the distal end portion flow to the earth member. With the configuration, the electronic endoscope prevents occurrence of trouble, a fault, and the like in an electronic component incorporated in the distal end portion due to applied static electricity.

Abstract: An actuator has a magnet moved together with a moving lens frame, an SMA wire capable of extending and contracting in a moving direction I of the moving lens frame with execution or non-execution of energization thereof, a fixing member made of a magnetic material attached to a distal end of the SMA wire, a pressing spring which urges the fixing member toward the magnet along the moving direction I, and a stopper member and a stopper portion which limits the movement of the magnet along the moving direction I at a first position or a second position.

Abstract: An electronic endoscope includes a distal end portion of an insertion portion which incorporates an image pickup unit, a first metal frame which holds an observation window, a second metal frame which holds an objective optical system, a third metal frame which is made to fit with a rear portion of the second metal frame and holds an electronic component, an anti-fogging unit which prevents fogging of the observation window, and a thermal insulation member which thermally insulates the anti-fogging unit and the second metal frame from each other to inhibit transmission of heat generated in the anti-fogging unit to the third metal frame, an outer circumferential face of which fits with an inner circumferential face of the first metal frame, and an inner circumferential face of which fits with an outer circumferential face of the second metal frame.

Abstract: An electronic endoscope includes a distal end portion of an insertion portion which incorporates an image pickup unit, a first metal frame which holds an observation window, a second metal frame which holds an objective optical system, a third metal frame which is made to fit with a rear portion of the second metal frame and holds an electronic component, an anti-fogging unit which prevents fogging of the observation window, and a thermal insulation member which thermally insulates the anti-fogging unit and the second metal frame from each other to inhibit transmission of heat generated in the anti-fogging unit to the third metal frame, an outer circumferential face of which fits with an inner circumferential face of the first metal frame, and an inner circumferential face of which fits with an outer circumferential face of the second metal frame.

Abstract: An electronic endoscope includes a distal end portion of an insertion portion which incorporates electronic components, a metal frame which holds an observation window, an earth member which is connected to a patient-side ground of an external device, and a static-protective member which is disposed in the distal end portion to have a predetermined clearance from the metal frame and is electrically connected to the earth member to let static electricity E applied to the distal end portion flow to the earth member. With the configuration, the electronic endoscope prevents occurrence of trouble, a fault, and the like in an electronic component incorporated in the distal end portion due to applied static electricity.

Abstract: An actuator has a magnet moved together with a moving lens frame, an SMA wire capable of extending and contracting in a moving direction I of the moving lens frame with execution or non-execution of energization thereof, a fixing member made of a magnetic material attached to a distal end of the SMA wire, a pressing spring which urges the fixing member toward the magnet along the moving direction I, and a stopper member and a stopper portion which limits the movement of the magnet along the moving direction I at a first position or a second position.

Abstract: An object of the present invention is to provide a manufacturing method of a honeycomb structural body which makes the profile of a cross section perpendicular to the length direction thereof less likely to generate dispersion, and also makes the thickness of its sealing material layer thinner, and a sealing material that is suitably used in the manufacturing method of the honeycomb structural body.

Abstract: A honeycomb structural body including a ceramic block having a flat shape and comprising a plurality of honeycomb units, a sealing material layer bonding the honeycomb units and comprising a sealing material paste, and a peripheral sealing material layer formed on a peripheral portion of the ceramic block. The flat shape has a cross-section which is bisected by an axis, the sealing material layer forms an angle diagonal with respect to the axis of the flat shape, the sealing material layer has end portions abutting against the peripheral sealing layer at a diagonal angle, and each of the honeycomb units has through holes extending in a longitudinal direction of the ceramic block and a partition wall portion between the through holes.

Abstract: A honeycomb structure has a longitudinal axis, a ceramic structure extending along the longitudinal axis and having a large number of cells partitioned by a partition, and a coating layer arranged on an outer surface of the ceramic structure. The main component of the coating layer is molten inorganic oxide.

Abstract: A honeycomb structural body including a ceramic block having a flat shape and comprising a plurality of honeycomb units, a sealing material layer bonding the honeycomb units and comprising a sealing material paste, and a peripheral sealing material layer formed on a peripheral portion of the ceramic block. The flat shape has a cross-section which is bisected by an axis, the sealing material layer forms an angle diagonal with respect to the axis of the flat shape, the sealing material layer has end portions abutting against the peripheral sealing layer at a diagonal angle, and each of the honeycomb units has through holes extending in a longitudinal direction of the ceramic block and a partition wall portion between the through holes.

Abstract: A honeycomb structural body includes a ceramic block having a flat shape and including honeycomb units bonded to each other through a sealing material layer, each of the honeycomb units made of porous ceramic and having through holes extending in parallel with one another in a longitudinal direction of the ceramic block and a partition wall interposed between the through holes. The honeycomb structural body further includes a peripheral sealing material layer formed on a peripheral portion of the ceramic block. The sealing material layer is formed such that the sealing material layer abuts against the peripheral sealing layer at an angle in a diagonal direction with respect to a major axis of a contour of the ceramic block in a cross section perpendicular to the longitudinal direction.

Abstract: An actuator has a magnet moved together with a moving lens frame, an SMA wire capable of extending and contracting in a moving direction I of the moving lens frame with execution or non-execution of energization thereof, a fixing member made of a magnetic material attached to a distal end of the SMA wire, a pressing spring which urges the fixing member toward the magnet along the moving direction I, and a stopper member and a stopper portion which limits the movement of the magnet along the moving direction I at a first position or a second position.