Abstract: Disclosed is a linear vibration motor comprising a movable element that is equipped with a magnet and weights; a coil for applying a driving force on the magnet through the application of an electric current; a frame, wherein the coil is secured; a shaft, borne on or secured by the frame, for supporting the movable element so as to be able to vibrate along the axial direction; and coil springs, disposed between the movable element and the frame, for elastically supporting the vibration of the movable element along the axial direction, on both sides of the movable element in the direction of vibration, wherein the directions of winding of the coil springs are set so as to prevent rotational vibration, around the shaft, of the movable element that is vibrating reciprocatingly along the axial direction.

Abstract: Disclosed is a linear vibration motor comprising a movable element that is equipped with a magnet and weights; a coil for applying a driving force on the magnet through the application of an electric current; a frame, wherein the coil is secured; a shaft, borne on or secured by the frame, for supporting the movable element so as to be able to vibrate along the axial direction; and coil springs, disposed between the movable element and the frame, for elastically supporting the vibration of the movable element along the axial direction, on both sides of the movable element in the direction of vibration, wherein the directions of winding of the coil springs are set so as to prevent rotational vibration, around the shaft, of the movable element that is vibrating reciprocatingly along the axial direction.

Abstract: A thermoplastic polyimide having good thermal stability, comprising a repeating unit represented by the chemical formula (1), a molecular terminal being composed of the chemical formula (2) and/or chemical formula (3), characterized in that: a melt viscosity ratio calculated by the numerical formula (1) and/or the numerical formula (3) is within a numerical range shown in the numerical formula (2) and/or the numerical formula (4) and 1,3-bis(4-aminophenoxy)benzene represented by the chemical formula (3) for production of the above polyimide, characterized in that the content of an azo compound is from 0.0 to 0.2%. The thermoplastic polyimide of the present invention has excellent characteristics {circle around (1)} to {circle around (4)} described below. {circle around (1)} It is superior in thermal stability on melting. That is, the degree of lowering of the fluidity on melting with a lapse of time is small and it is possible to apply to conventional melt molding.

Abstract: A resin composition containing components (A), (B), (C) and (D) wherein component (A) is a resin composition containing a thermoplastic polyimide resin, component (B) is carbon fiber, component (C) is mica, component (D) is an internal mold-releasing agent, and relative to 100 parts by weight of component (A), component (B) is from 1 to 80 parts by weight, component (C) 1 to 100 parts by weight, and component (D) is 0.1 to 50 parts by weight.

Abstract: A polyimide resin composition is disclosed herein which comprises 5 to 60% by weight of a polyimide [polyimide (1)] having a repeating unit represented by the chemical formula 1 and 40 to 95% by weight of a polyimide [polyimide (2)] having a repeating unit represented by the chemical formula 2.

Abstract: A polyphenylene ether resin composition containing (A) 100 parts by weight of a polyphenylene-ether-base resin composed of 100-60 wt. % of a polyphenylene ether resin and 0-40 wt. % of a polystyrene resin and (B) 1-40 parts by weight of a dicarboxylic acid ester copolymer obtained from a vinyl monomer and an unsaturated dicarboxylic acid ester as copolymerizable components. The dicarboxylic acid ester copolymer has a weight average molecular weight not greater than 60,000. The polyphenylene ether resin composition, if necessary, can further comprise (C) 1-40 parts by weight of conductive carbon or an A-B-A' type or A-B'-B" type block copolymer elastomer. Owing to its excellent mechanical properties, heat resistance and moldability, the resin composition is useful in the fields of automotive vehicles, home electronic or electric appliances and industrial parts or components.

Abstract: A polyphenylene ether resin composition containing (A) 100 parts by weight of a polyphenylene-ether-base resin composed of 100-60 wt. % of a polyphenylene ether resin and 0-40 wt. % of a polystyrene resin and (B) 1-40 parts by weight of a dicarboxylic acid ester copolymer obtained from a vinyl monomer and an unsaturated dicarboxylic acid ester as copolymerizable components. The dicarboxylic acid ester copolymer has a weight average molecular weight not greater than 60,000. The polyphenylene ether resin composition, if necessary, can further comprise (C) 1-40 parts by weight of conductive carbon or an A-B-A' type or A-B'-B" type block copolymer elastomer. Owing to its excellent mechanical properties, heat resistance and moldability, the resin composition is useful in the fields of automotive vehicles, home electronic or electric appliances and industrial parts or components.

Abstract: A modified polyolefin resin obtained by reacting a polyolefin resin with an epoxy group-containing acrylamide monomer represented by the following general formula I:H.sub.2 C.dbd.CR--CO--NH--CH.sub.2 --Ar:wherein Ar represents an aromatic hydrocarbon group having 6 to 24 carbon atoms which is substituted with at least one glycidyloxy group and R represents a hydrogen atom or a methyl group) in the presence of a free-radical initiator is herein provided.A thermoplastic resin composition comprising 5 to 95% by weight of the foregoing modified polyolefin resin and 95 to 5% by weight of another thermoplastic resin is herein provided.Further, a filler-reinforced polyolefin resin composition comprising 100 parts by weight of the foregoing modified polyolefin resin and 3 to 300 parts by weight of an inorganic or organic filler is herein provided.

Abstract: A conductive resin composition which has electrical conductivity and antistatic property, is excellent in heat resistance and processability, and comprises:(A) from 50 to 95% by weight of a polyphenylene ether resin,(B) from 50 to 5% by weight of a copolymer of a styrenic compound and an .alpha.,.beta.-unsaturated dicarboxylic acid imide compound,(C) from 5 to 30 parts by weight of a conductive carbon per 100 parts by weight of the sum of the resin (A) and the copolymer (B), and (D) from 1 to 20 parts by weight of a low molecular weight polystyrene per 100 parts by weight of the sum of the resin (A) and the copolymer (B).

Abstract: A molding material for electroconductive IC parts is here provided which has a preferable heat distortion temperature (heat resistance) and a desirable melt flow index (moldability) and which supplies molded articles having a suitable surface specific resistance. The above-mentioned molding material comprises 50% by weight or more of a polyphenylene ether resin, electroconductive carbon, an acid imide compound which can be used depending upon an intrinsic viscosity of the polyphenylene ether resin, a high-impact polystyrene resin and an A--B--A' type block copolymer elastomer.

Abstract: A camera for photographing a panoramic photography which is composed of plural separated picture frames. The camera has a detector to detect an angle of photographing view of the camera, a determiner to determine a rotation angle of the camera according to the angle of photographing view, and a movement to rotate the camera in the rotation angle when each of the separated picture frames is photographed. The camera is rotated as to stay the camera on the same plane when the panoramic photography is taken.