Abstract: An image processing device acquiring pseudo projection data by calculation when a virtual metallic body having a predetermined X-ray absorption coefficient is set in a photographic region of X-ray CT photography in a pseudo manner based on projection data, and the image processing device reconstructing the pseudo projection data to acquire pseudo CT image data. The image processing device acquires luminance (virtual metallic body luminance) of a virtual metallic body in the pseudo CT image data, and specifies a position of a metal equivalent region having luminance corresponding to the virtual metallic body luminance in normal CT image data. The image processing device acquires correction projection data by performing correction processing to the luminance of the metal equivalent region in the normal projection data, and the image processing device reconstructs the correction projection data to acquire correction CT image data.

Abstract: According to a dental image display device, a dental surgical operation device, and a dental image display method, a 2D captured image of a tooth as a surgical operation target that is captured with visible light in an articulation face direction, and an articulation face direction converted 2D image obtained as a result of displaying 3D information, which is acquired on the tooth and includes information on a root canal inside the tooth, two-dimensionally on a predetermined plane in the articulation face direction, are displayed in correspondence with each other on a monitor.

Abstract: Provided is an image forming apparatus capable of reducing possibility that small symbols and characters become invisible without impairing user's convenience even in the case of using a nongenuine replacement part. An image forming apparatus (100) is provided with: an image forming portion (103) for forming an image; a nongenuine product judging portion (101a) for judging whether or not a replacement part of the image forming portion (103) is a nongenuine product; an operation receiving portion (for example, an operating panel (102)) for receiving user operation including setting operation of an image forming condition; and a control portion (101) for controlling image formation of the image forming portion (103) based on the image forming condition set from the operation receiving portion.

Abstract: A high-purity silicon carbide powder and its production method enable mass production of the high-purity silicon carbide powder at low cost in a safe manner. The content of impurities in the silicon carbide powder is 500 ppm or less. The silicon carbide powder can be obtained by heating a raw material for silicon carbide production in an Acheson furnace using a heat generator. The raw material for silicon carbide production is prepared by mixing a siliceous raw material and a carbonaceous raw material. The raw material for silicon carbide production contains the siliceous raw material and the carbonaceous raw material at a mixture mole ratio (C/SiO2) of 2.5 to 4.0 and has a content of impurities of 120 ppm or less.

Abstract: A medical X-ray CT photography apparatus body includes a turning arm that supports an X-ray generator and an X-ray detector while the X-ray generator and the X-ray detector are opposed to each other with the subject interposed therebetween, a bracket part that fixedly supports an axial center position of a turning shaft provided in the turning arm, and a support drive part that turns the turning arm about the turning shaft with respect to the bracket part. The medical X-ray CT photography apparatus body also includes a subject chair on which the subject sits, a chair moving mechanism that linearly moves the subject chair in a front-back direction (Y-axis direction) of the subject, and a main-body controller that performs the panoramic X-ray photography by controlling the chair moving mechanism and the support drive part in conjunction with each other.

Abstract: It is aimed to reliably restrict the insertion of a terminal fitting in an improper posture. A connector includes terminal fittings 40 to be inserted into terminal accommodating chambers (13) of a housing (10) successively through through holes (61) of a rubber plug holder (60) and sealing holes (51) of a one-piece rubber plug (50), restricting projections (44) projecting from the outer surfaces of the terminal fittings (40), wires (46) passing through the through holes (61) in a state where the terminal fittings (40) are inserted in the terminal accommodating chambers (13), and restricting portions (17) provided to be located in the terminal accommodating chambers (13) and configured to restrict inserting movements of the terminal fittings (40) by interfering with the restricting projections (44) halfway through when the terminal fittings (40) are inserted in an improper posture into the terminal accommodating chambers (13).

Abstract: A lever (70) is rotatably mounted on a second lever-side connector (L2) connectable to a mating connector to extend between facing side surfaces. The lever (70) is rotatable substantially along a connecting direction between a connection surface of the second lever-side connector (L2) and a wire drawing surface (H). A correcting portion (71A) of a wire cover (71) mounted to cover the wire drawing surface is formed to rise at a position displaced toward a central part from a base portion (71 B), and collects and accommodates wires (W) in the correcting portion (71A).

Abstract: A slider (19) to be slid by rotating a lever (20) is mounted in a first lever-side connector (L1). The slider (19) is held at an initial position where cam followers (17) provided on the first lever-side connector (L1) can be received into cam grooves (29). When the slider (19) is at the initial position, a part of the slider (19) projects out from the connector. Lever plates (20A) of the lever (20) are so configured that protecting edge portions (38) formed on parts of side edges of the lever plates (20A) are located substantially at the same position as or behind a projecting end part of the slider (19) when the slider (19) is at the initial position. Further, the protecting edge portions (38) are located closer in distance to rotary shafts (34) than an operating portion (20B).

Abstract: A connector (L1) has a one-piece rubber plug (39) with wire insertion holes (45) to collectively seal wires (W) drawn out from the rear end surface of an inner housing (22) by inserting the wires into the corresponding wire insertion holes (45). The connector (L1) has wall surfaces (23, 41) for sandwiching the one-piece rubber plug (39) from front and rear in an inserting direction of the wires (W). Positioning pins (48) project substantially parallel with axial directions of the wire insertion holes (45) from the wall surface (41) on the side of the inner housing (22) toward the one-piece rubber plug (39) and to be inserted and press-fit into positioning holes 51 arranged near the wire insertion holes (45). Narrowed portions (51A) having a small hole diameter are formed at axial intermediate positions of the positioning holes (51).

Abstract: A connector with a force multiplying mechanism includes first and second fixed connectors (F1, F2) which are arranged side by side and each of which includes cam followers (17, 18), and first and second lever connectors (L1, L2) which are individually connectable to the respective fixed connectors (F1, F2) and each of which includes a rotatably provided lever (20, 70) and is connectable to the corresponding one of the fixed connectors (F1, F2) by a force multiplying action produced by rotating the lever (20, 70) while the cam followers (17, 18) and the lever (20, 70) are engaged directly or indirectly via a slider (19). The first and second fixed connectors (F1, F2) are so arranged that surfaces where the cam followers (17, 18) are formed are perpendicular to each other.

Abstract: In an X-ray imaging apparatus that performs X-ray CT imaging, an X-ray generator (13) that generates an X-ray cone beam (BX1) and an X-ray detector (21) that detects the X-ray cone beam (BX1) radiated to an object (specifically, image object (OB)) are revolved for 180 degrees to be opposed to each other with the object being located therebetween. Further, the X-ray generator (13) is moved such that a revolution reference point (CP) that is set on an optical path (CB) of the X-ray cone beam (BX1) goes round of a predetermined oval shape while the X-ray detector (13) and the X-ray generator (21) are revolved for 180 degrees. Setting is made such that a CT image area (CA) to be imaged by the irradiation of the X-ray cone beam (BX1) has an approximately triangular shape through the above-mentioned operation.

Abstract: Provided is an image forming apparatus capable of reducing possibility that small symbols and characters become invisible without impairing user's convenience even in the case of using a nongenuine replacement part. An image forming apparatus (100) is provided with: an image forming portion (103) for forming an image; a nongenuine product judging portion (101a) for judging whether or not a replacement part of the image forming portion (103) is a nongenuine product; an operation receiving portion (for example, an operating panel (102)) for receiving user operation including setting operation of an image forming condition; and a control portion (101) for controlling image formation of the image forming portion (103) based on the image forming condition set from the operation receiving portion.

Abstract: A particle formed of silica and carbon having a low impurity content and an excellent reactivity is provided. Also provided is a method of producing a silica and carbon-containing material including: (B) a carbon mixing step of mixing an aqueous alkali silicate solution having a silicon concentration within the liquid portion of at least 10 wt % with carbon so as to obtain a carbon-containing aqueous alkali silicate solution; and (C) a silica recovery step of mixing the carbon-containing aqueous alkali silicate solution with a mineral acid so as to cause carbon and silicon within the liquid portion to precipitate as particles formed of silica and carbon and thus obtaining a particle-containing liquid substance, then solid-liquid separating the liquid substance so as to obtain a solid portion of a silica and carbon-containing material which is an assembly of particles formed of silica and carbon and a liquid portion containing impurities.

Abstract: A terminal fitting is inserted into a terminal holding chamber of a front member. A guide recess is in an opposing wall face opposing a lance, of inner faces of a terminal accommodation chamber, an escape recess continuous with the guide recess is in a receiving face of the terminal holding chamber, a guide projection protruding from a position rearward of the front end of an angular tube portion and making sliding contact with a bottom face of the guide recess is in an opposing outer face of the angular tube portion. The length from the guide projection to the front end of the angular tube portion is larger than the distance between the front end of the guide recess and the rear end of the receiving face, and the height of the receiving face relative to the bottom face is smaller than the height of the opposing outer face.

Abstract: A connector (A) includes a resiliently deformable resilient receiving portion (35) arranged to traverse an opening area of a lock hole (32) formed in a holder (30) and linked to an inner surface of the lock hole (32) at links (36) on opposite ends in a longitudinal direction. A locking rib (15) projects from a lock projection (12) formed in a housing (10) and extends along the longitudinal direction of the resilient receiving portion (35). The locking rib (15) causes the resilient receiving portion (35) to curve and deform in the process of assembling the housing (10) and the holder (30). Escaping edges (18) are formed on opposite longitudinal ends of a projecting edge (16) of the locking rib (15). The escaping edges (18) are oblique to the longitudinal direction of the resilient receiving portion (35) that is not resiliently deformed, and substantially face the links (36).

Abstract: An intermediate housing (10) has a fitting recess (12) in which ends (91) of intermediate terminals (90) are located. An inner housing (30A) is fit into the fitting recess (12) and has first terminal fittings (110A) connectable to the intermediate terminals (90). A retainer (130) is inserted into the inner housing (30A) to retain the terminal fittings (110A). An outer housing (50) is fit externally onto the fitting recess (12) and includes an outer peripheral wall (53) surrounding the inner housing (30A). A mounting portion (21) projects on the outer surface of the fitting recess (12). The outer peripheral wall (53) is recessed to form an escaping portion (61) into which the mounting portion (21). The retainer (130) includes a confirmation surface (133) exposed to the outside of the inner housing (30A) when being inserted into the inner housing (30A) and visually confirmed from outside through the escaping portion (61).

Abstract: A connector includes an intermediate housing (10) with a first fitting recess (12) and a second fitting recess (13), a first inner housing (30A) to be fitted into the first fitting recess, a first outer housing (50) separate from the first inner housing (30A) and to be externally fitted onto the first fitting recess (12), a second inner housing (30B) to be fitted into the second fitting recess (13), and a second outer housing (70) separate from the second inner housing (30B) and to be externally fitted onto the second fitting recess (13). The first and second outer housings (50, 70) are shaped differently from each other and the first and second inner housings (30A, 30B) are identically shaped.

Abstract: A medical X-ray apparatus comprising a supporting part for supporting an X-ray generator and a two-dimensional X-ray detector while interposing an object to be examined therebetween, a radiation area restricting part for restricting a radiation area of X-ray generated from the X-ray generator, and a scan driving part for scanning the object with the X-ray restricted by the radiation area restricting part as X-ray beam and for executing radiography. A direction intersecting with X-ray scan direction is defined as a height direction, the apparatus further comprises a radiation area setting part for setting at least one of both ends of width of the X-ray beam in the height direction at a desired position in accordance with the position of an interested area of the object; and the X-ray beam is irradiated only to the radiation area as set by the radiation area setting part with its beam width in height direction restricted by the radiation area restricting part.

Abstract: An X-ray CT photographic apparatus including: a beam shaping mechanism that regulates an irradiation range of an X-ray generated from an X-ray generator and shapes the X-ray into an X-ray cone beam; and a main body controller that changes a read region, where an X-ray detection signal is read in the X-ray detector, according to the irradiation range of the X-ray cone beam. The main body controller changes the irradiation range of the X-ray cone beam to an x-axis direction during an X-ray CT photography such that only a set CT photographic region is irradiated with the X-ray cone beam according to the set CT photographic region input through a CT photographic region setting unit. The main body controller changes a read region in an X-ray detector with respect to the x-axis direction in a detection surface of the X-ray detector during the X-ray CT photography.

Abstract: An image processing device acquiring pseudo projection data by calculation when a virtual metallic body having a predetermined X-ray absorption coefficient is set in a photographic region of X-ray CT photography in a pseudo manner based on projection data, and the image processing device reconstructing the pseudo projection data to acquire pseudo CT image data. The image processing device acquires luminance (virtual metallic body luminance) of a virtual metallic body in the pseudo CT image data, and specifies a position of a metal equivalent region having luminance corresponding to the virtual metallic body luminance in normal CT image data. The image processing device acquires correction projection data by performing correction processing to the luminance of the metal equivalent region in the normal projection data, and the image processing device reconstructs the correction projection data to acquire correction CT image data.