Abstract: A speaker is provided with a support base provided with a connection portion which has an inclined surface inclined at a predetermined angle relative to a horizontal direction, a connector which has a sloping surface inclined at the same angle as the inclined surface of the support base relative to the horizontal direction and is provided with a joining portion connected to the connection portion of the support base in a state where the sloping surface comes into contact with the inclined surface, and a main body which is attached to the connector and has a sound output portion, where the main body is inclined in at least two states of a first inclined state and a second inclined state with different inclined angles relative to a vertical direction according to an orientation whereby the joining portion of the connector is connected to the connection portion of the support base.

Abstract: The invention relates to a method for bleaching teeth in which a solution of a nitrogen-doped titanium oxide powder is contacted on a surface of the teeth and the surface of the teeth is irradiated to bleach the surface of the teeth-by activating a photocatalytic reaction.

Abstract: To eliminate a defect in conventional dental bleaching agent, that light for activating titanium oxide hardly reaches down to the titanium oxide at the teeth surface to be bleached, a dental bleaching agent set consists of two components of which the first component is attached to teeth surface and irradiation of light is followed after the second component is contacted on the teeth surface, the first component consisting of an organic solvent, containing at least one of a titanium oxide, a nitrogen doped titanium oxide, and a titanium oxinitride having photocatalytic activities, and preferably one or more of a metal oxide, a metal salt, and a metal powder, a thickener and water, the second component consisting of a compound that produces hydrogen peroxide in water, a thickener and a carrier.

Abstract: For the purpose to preserve hydrogen peroxide stably for a long period of time, have excellent adhesion with keeping viscosity at about same level as that of the conventional material, give few damages to a tooth by pH, and have high efficiency of bleaching to tooth, a pasty dental bleaching material comprises 10-50 wt. % powdery hydrogen peroxide polyvinyl pyrrolidone complex blended in a liquid component, or comprises pasty first and second components, 10-50 wt. % powdery hydrogen peroxide polyvinyl pyrrolidone complex being blended in a liquid component in the first component and 0.01-10 wt. % catalyst for activating hydrogen peroxide and 1-70 wt. % thickener being blended in a liquid component in the second component.

Abstract: A method for bleaching teeth comprises steps of applying a solution containing nitrogen-deeped titanium oxide powder on a surface of teeth, and irradiating the applied part with light to bleach the teeth based on a photocatalytic action thus produced, and a bleaching agent for teeth suitable for carrying out the method comprises a solution containing nitrogen deeped titanium oxide powder, in which the nitrogen-deeped titanium oxide is preferably a photocatalytic substance having a Ti—O—N structure having a titanium oxide crystalline lattice containing nitrogen and exhibiting a photocatalytic action in a visible light region, the bleaching agent contains preferably 0.01 to 5% by weight of the nitrogen-deeped titanium oxide powder, the nitrogen-deeped titanium oxide powder has a specific surface area of from 10 to 500 m2/g, the solution contains water and/or an alcohol as a solvent, and the bleaching agent further contains preferably 0.

Abstract: A data storage and reproduction system is provided using a computer network that comprises a server, at least one attachment unit that is coupled to the server and first and second reproduction devices. The server storing data to be reproduced. At least one attachment unit comprising means for interfacing with a portable memory device having a reference to the reproduction data. The first reproduction device capable of performing a first data reproduction of the reproduction data and the second reproduction device capable of performing a second data reproduction of the reproduction data, the second data reproduction being different than the first data reproduction. Wherein the server responds to a request from the at least one attachment unit by transmitting the reproduction data and where the reproduction data is determined to be a format unsuitable for the reproduction device, the data is reformatted for use by the reproduction device.

Abstract: To provide an urea peroxide based tooth whitening material that exerts high efficiency in bleaching teeth with less damages on teeth due to pH, is in the form of single paste, has good storage stability, and exerts high adhesiveness on a tooth surface, the tooth whitening material contains 1 to 20% by weight of magnesium sodium silicate, 10 to 25% by weight of urea peroxide, 40 to 88% by weight of a polyhydric alcohol, and 1 to 15% by weight of a thickener capable of being swelled with the polyhydric alcohol.

Abstract: To avoid “adhesion” to a spatula or a vessel and “stringiness”, which are problems associated with the conventional gel-like tooth whitening material, to give excellent “adhesiveness to a tooth surface”, and to prevent “outflow from a tray”, a gel-like tooth whitening material composition contains 60 to 90 parts by weight of a polyhydric alcohol as a primary solvent, 0.5 to 15 parts by weight of a methyl vinyl ether-maleic anhydride copolymer as a thickener, and 1 to 25 parts by weight of urea peroxide as a whitening component, the methyl vinyl ether-maleic anhydride copolymer being neutralized to a pH range of 5 to 7 under a condition containing no water, the methyl vinyl ether-maleic anhydride copolymer being preferably a copolymer crosslinked with 1,9-decadiene, and the thickener containing preferably the methyl vinyl ether-maleic anhydride copolymer in a proportion of 20% by weight or more.

Abstract: To eliminate a defect in conventional dental bleaching agent, that light for activating titanium oxide hardly reaches down to the titanium oxide at the teeth surface to be bleached, a dental bleaching agent set consists of two components of which the first component is attached to teeth surface and irradiation of light is followed after the second component is contacted on the teeth surface, the first component consisting of an organic solvent, containing at least one of a titanium oxide, a nitrogen doped titanium oxide, and a titanium oxinitride having photocatalytic activities, and preferably one or more of a metal oxide, a metal salt, and a metal powder, a thickener and water, the second component consisting of a compound that produces hydrogen peroxide in water, a thickener and a carrier.

Abstract: A method for bleaching teeth comprises steps of applying a solution containing nitrogen-deeped titanium oxide powder on a surface of teeth, and irradiating the applied part with light to bleach the teeth based on a photocatalytic action thus produced, and a bleaching agent for teeth suitable for carrying out the method comprises a solution containing nitrogen-deeped titanium oxide powder, in which the nitrogen-deeped titanium oxide is preferably a photocatalytic substance having a Ti—O—N structure having a titanium oxide crystalline lattice containing nitrogen and exhibiting a photocatalytic action in a visible light region, the bleaching agent contains preferably 0.01 to 5% by weight of the nitrogen-deeped titanium oxide powder, the nitrogen-deeped titanium oxide powder has a specific surface area of from 10 to 500 m2/g, the solution contains water and/or an alcohol as a solvent, and the bleaching agent further contains preferably 0.

Abstract: The present invention is to provide a data communication apparatus and a method which can transfer data even if a terminal is not operated. The data communication apparatus comprises reception means for receiving data from a transmission side, connection means for connecting the apparatus to an external device, initiation means for initiating the external device when the external device which is connected through said connection means is not in an operable state, and discrimination means for discriminating a type of data which is received by said reception means, wherein said initiation means performs an initiation on the basis of a discriminated result of said discrimination means.

Abstract: A method of renting removable digital storage media for use with a digital image acquisition device includes the steps of loaning removable digital storage media to a customer for storing digital image data captured by a digital image acquisition device, receiving, upon return, the removable digital storage media from the customer and maintaining information associated with the loan and return of the removable digital storage media and the customer.

Abstract: A remote diagnosis system includes a central computer system that receives user data related to a user request and deals with the user request data, and at least one kind of image-forming apparatus connected to the central computer system. Each image-forming apparatus has a user request data input device, through which data related to a user request is optionally input, and a user request data transmitting device that transmits the user request data to the central computer system. A data communication adapter collects the user request data from the at least one kind image forming apparatus and transmits the user request data to the central computer system. An interface interfaces the at least one kind of image-forming apparatus with the data communication adapter, and a public communication network connects the data communication adapter with the central computer system.

Abstract: An information processing system by which it is possible to easily define a lens arrangement and thus make it is possible to easily perform an optical evaluation, wherein a plurality of object positions may be defined for the same focal length of an optical lens system. A lens is designated as the lens used for focusing, and the values to be changed, such as the distances between lenses, are calculated and defined corresponding to the object positions. The arrangement of an optical system may be defined in a plurality of hierarchy levels, and information on decentering may be defined for each decentered configuration of each group including the lens faces.

Abstract: A horn speaker has a cabinet, a speaker body mounted in the cabinet, a horn including at least one horn piece, and threaded attachment bolts. The attachment bolts detachably attach the cabinet, speaker body and horn piece together in such a manner that the horn piece overhangs at least a portion of the speaker body and the cabinet. Each attachment bolt passes through apertures formed in the cabinet, speaker body and horn piece. The construction enables installation of the speaker body from the front of the cabinet and facilitates the assembly process.