Abstract: The optical scanning device scans an object with plural laser beams, and includes a light source, which emits plural parallel laser beams in a predetermined direction and which has a stem portion having a first notch; and a support having an opening, with which the light source is engaged so as to be rotatable on an axis parallel to the plural light beams, and a second notch located on a part of the opening so as to overlap with the first notch when the light source is engaged with the opening. By inserting a slotted screwdriver, etc., into the space formed by the two notches and rotating the screwdriver, the angle of the light source can be adjusted and thereby the pitches of the laser beams can be adjusted.

Abstract: There is disclosed a polyvinylpyrrolidone powder composition including polyvinylpyrrolidone having a K value of not lower than 60 and not higher than 130 and a secondary amine or a salt thereof. The poly-vinylpyrrolidone powder composition is produced by adding a secondary amine or a salt thereof to polyvinylpyrrolidone having a K value of not lower than 60 and not higher than 130, or by heat drying an aqueous solution containing polyvinylpyrrolidone having a K value of not lower than 60 and not higher than 130 and a secondary amine or a salt thereof.

Abstract: A lens block according to the present invention includes a lens cylinder; and at least one lens accommodated in the lens cylinder and dividing a space in the lens cylinder into a first space and a second space, wherein the lens cylinder includes at least one hole into which a tool for removing the at least one lens from the lens cylinder is inserted, wherein the at least one lens is pressed into the lens cylinder from either one of the first space and the second space, and the at least one hole is formed on the other of the first space and the second space, and wherein the at least one hole is provided in a position that enables the inserted tool to contact the at least one lens through the at least one hole.

Abstract: To provide a high concentration solution of a vinylpyrrolidone polymer having a low K value, which can be used in various applications such as medical applications and applications where coloring is problematic. A monomer component essentially containing N-vinylpyrrolidone, hydrogen peroxide, and ammonia are sequentially added to a copper catalyst-containing aqueous solvent and polymerized at 55 to 90° C., and the ammonia is used in an amount of 0.1 to 0.37% by weight based on the N-vinylpyrrolidone. As a result, a 40 to 60% by weight solution of a vinylpyrrolidone polymer having a K value of 60 or less, wherein the solution has: an N-vinylpyrrolidone content of 10 ppm or less relative to the vinylpyrrolidone polymer; an alkanol concentration of 100 ppm or less; and an ignition residue of 0.1% by weight or less, and a 50% by weight solution of the vinylpyrrolidone polymer has a hue (APHA) according to JIS-K3331 of 280 or less.

Abstract: An optical scanning device configured to irradiate an object with light generating from a light source via at least one mirror with a first end portion and second end portion which are attached to a housing and to scan the object with the irradiating light is provided, wherein the first end portion of the at least one mirror is movably supported by the housing and the second end portion of the at least one mirror is bonded to the housing.

Abstract: An authentication system, program and method authenticates users who are parties to a transaction by supplying a first user with a matching key for a prospective transaction, receiving by a second user the matching key supplied to the first user; and matching the key supplied from the first user to the second user against the key supplied to the first user, after the second user has received the key from the first user.

Abstract: A fixture structure is disclosed that is able to independently adjust relative positions of constituent components in different directions and able to reduce workload of the relative position adjustment. The fixture structure includes plural members fixed with each other by screws, a first adjustment unit for adjusting relative positions of two or more of the members in a first direction and arranged on surfaces of the two or more members parallel to the first direction, and a second adjustment unit for adjusting relative positions of two of more of the members in a second direction intersecting with the first direction and arranged on surfaces of the two or more members parallel to the second direction.

Abstract: There is disclosed a polyvinylpyrrolidone powder composition including polyvinylpyrrolidone having a K value of not lower than 60 and not higher than 130 and a secondary amine or a salt thereof. The poly-vinylpyrrolidone powder composition is produced by adding a secondary amine or a salt thereof to polyvinylpyrrolidone having a K value of not lower than 60 and not higher than 130, or by heat drying an aqueous solution containing polyvinylpyrrolidone having a K value of not lower than 60 and not higher than 130 and a secondary amine or a salt thereof.

Abstract: A fixture structure is disclosed that is able to reduce the workload when adjusting a relative position of constituent components. The fixture structure includes a first member and a second member fixed with the first member by a screw. The first member has a first contacting surface, the second member has a second contacting surface in contact with the first contacting surface, the first member and the second member are fixed by the screw passing through the first contacting surface and the second contacting surface, a first notch is formed at an end of the first contacting surface, a second notch is formed at an end of the second contacting surface, and an inner end of the second notch of the second member is inside an inner end of the first notch of the first member.

Abstract: The present invention relates to a system wherein each of a reservation server that makes reservations of sales and purchases, a portable terminal owned by a user who makes a reservation, and a shop terminal provided in stores where goods are sold, and a service or entertainment is provided, is connected to a communication network whereby the user makes a reservation for sales or purchase by accessing the reservation server, the reservation server encrypts contents of the sales/purchase reservation and transmits the encrypted reservation information to the aforementioned portable terminal, the user presents the transmitted encrypted reservation information to the shop terminal, visiting the shop terminal, and the shop terminal accesses the reservation server to confirm whether the presented encrypted reservation information is legitimate or not and admits the presenter of the encrypted reservation information if the reservation information is legitimate.

Abstract: A polyvinylpyrrolidone composition in a form of a solid preparation or an aqueous solution, the composition including polyvinylpyrrolidone, ammonia, and a secondary amine, and processes for producing the polyvinylpyrrolidone composition, the first process including heat drying a polyvinylpyrrolidone aqueous solution containing ammonia and a secondary amine to obtain the polyvinylpyrrolidone in a form of a solid preparation, the second process including adding a secondary amine to an aqueous solution containing polyvinylpyrrolidone and ammonia to obtain the polyvinylpyrrolidone composition in a form of an aqueous solution, and the third process including polymerizing N-vinyl-2-pyrrolidone using hydrogen peroxide as a polymerization initiator in a presence of a metal catalyst using ammonia as a promoter in an aqueous medium to obtain the polyvinylpyrrolidone composition in a form of an aqueous solution.

Abstract: An information search system enabling an information searcher to easily surely judge whether each piece of search target information searched is important to the searcher himself or herself. The information search system implements a function of calculating, when searching for property information on a real estate property that satisfies a search condition specified by a certain user, a degree of fitness indicating how much each piece of property information satisfies the search condition on the basis of a degree-of-fitness calculation function for that user, and a function of enabling each user to change a configuration of the degree-of-fitness calculation function for the user himself or herself.

Abstract: A lens block according to the present invention includes a lens cylinder; and at least one lens accommodated in the lens cylinder and dividing a space in the lens cylinder into a first space and a second space, wherein the lens cylinder includes at least one hole into which a tool for removing the at least one lens from the lens cylinder is inserted, wherein the at least one lens is pressed into the lens cylinder from either one of the first space and the second space, and the at least one hole is formed on the other of the first space and the second space, and wherein the at least one hole is provided in a position that enables the inserted tool to contact the at least one lens through the at least one hole.

Abstract: An information providing method includes the steps of receiving pieces of terminal identifying information and pieces of user identifying information from a plurality of terminal devices, identifying user attributes for each of the pieces of user identifying information by referring to a user management table containing correspondences between the user identifying information and user attributes, by referring to an information management table containing correspondences among user attributes, provided information, and related information, extracting pieces of provided information and pieces of related information for each of the user attributes, outputting, for each of the pieces of user identifying information, the extracted provided information to terminal devices identified by corresponding pieces of the terminal identifying information, and displaying the extracted related information on a screen of a screen device.

Abstract: A semiconductor device includes a semiconductor chip with a functional surface, a substrate opposing the functional surface of the semiconductor chip at a space formed between the substrate and the functional surface, a power supplying device electrically connected to a part of the functional surface of the semiconductor chip and separated by a slight gap from the substrate, a fixing member that fixes the semiconductor chip to the substrate, and a sealing member that seals the space formed between the substrate and the functional surface of the semiconductor chip other than a space formed between the substrate and the functional surface of the semiconductor chip that are fixed to each other through the fixing member and other than the gap formed between the power supplying device and the substrate. The sealing member has greater elasticity than the fixing member.

Abstract: A semiconductor device is disclosed in which no protruding portion is required and an occurrence of parasitic capacitance is prevented. The semiconductor device includes a substrate 1 which has a wiring portion 5 and a semiconductor chip 2 which has a functional surface 2a in a front surface thereof and which is bonded by flip chip bonding onto said substrate through a holding member. The holding member which holds the semiconductor chip 2 and the substrate 1 is composed of an adhesive material 3 in one embodiment, and the adhesive material adheres the substrate 1 on at least one surface other than both of the front surface and an opposing surface thereof and it is arranged for the adhesive material not to enter a space between the substrate 1 and the semiconductor device 2.

Abstract: A semiconductor device in which a breakage of contacting point by thermal expansion is prevented, an image scanning unit utilizing the same and an image forming apparatus utilizing the same, is disclosed. The semiconductor device includes an assembly 100 in which a semiconductor chip 2 having a functional surface 2a and a power supplying means 5 are electrically connected at the functional surface 2a, and is characterized in the assembly is disposed on a substrate 1 with the power supplying means 5 side being the substrate side, and the substrate 1 and the assembly 100 are fixed together at a portion other than the power supplying means 5 portion.

Abstract: A semiconductor device includes a semiconductor chip with a functional surface, a substrate opposing the functional surface of the semiconductor chip at a space formed between the substrate and the functional surface, a power supplying device electrically connected to a part of the functional surface of the semiconductor chip and separated by a slight gap from the substrate, a fixing member that fixes the semiconductor chip to the substrate, and a sealing member that seals the space formed between the substrate and the functional surface of the semiconductor chip other than a space formed between the substrate and the functional surface of the semiconductor chip that are fixed to each other through the fixing member and other than the gap formed between the power supplying device and the substrate. The sealing member has greater elasticity than the fixing member.

Abstract: A semiconductor device is disclosed in which no protruding portion is required and an occurrence of parasitic capacitance is prevented. The semiconductor device includes a substrate 1 which has a wiring portion 5 and a semiconductor chip 2 which has a functional surface 2a in a front surface thereof and which is bonded by flip chip bonding onto said substrate through a holding member. The holding member which holds the semiconductor chip 2 and the substrate 1 is composed of an adhesive material 3 in one embodiment, and the adhesive material adheres the substrate 1 on at least one surface other than both of the front surface and an opposing surface thereof and it is arranged for the adhesive material not to enter a space between the substrate 1 and the semiconductor device 2.

Abstract: A semiconductor device in which a breakage of contacting point by thermal expansion is prevented, an image scanning unit utilizing the same and an image forming apparatus utilizing the same, is disclosed. The semiconductor device includes an assembly 100 in which a semiconductor chip 2 having a functional surface 2a and a power supplying means 5 are electrically connected at the functional surface 2a, and is characterized in the assembly is disposed on a substrate 1 with the power supplying means 5 side being the substrate side, and the substrate 1 and the assembly 100 are fixed together at a portion other than the power supplying means 5 portion.