Abstract: A design support apparatus of the present invention includes the following: an antenna electromagnetic field distribution input portion that inputs data indicating an antenna electromagnetic field distribution in the vicinity of electronic equipment; a board near electromagnetic field distribution input portion that inputs data indicating a board near electromagnetic field distribution as unwanted radiation noise radiated from a board of the electronic equipment; and a correlation value generator that generates a distribution of correlation values showing a correlation between the antenna electromagnetic field and the board near electromagnetic field based on the antenna electromagnetic field distribution data and the board near electromagnetic field distribution data.

Abstract: In a differential transmission line, a substrate has first and second surfaces parallel to each other, and a first grounding conductor is formed on the second surface of the substrate. A dielectric layer is formed on the first grounding conductor, and a second grounding conductor is formed on the dielectric layer. First and the second signal conductors are formed to be parallel to each other on the first surface of the substrate. The first signal conductor and the first and second grounding conductors constitutes a first transmission line, and the second signal conductor and the first and second grounding conductors constitutes a second transmission line. A slot is formed in the first grounding conductor to sterically intersect with the first and second signal conductors and to be orthogonal to a longitudinal direction thereof, and a connecting conductor is formed for connecting the first grounding conductor with the second grounding conductor.

Abstract: A charging control device includes a control unit and a monitoring unit. The control unit performs at least one of controlling charging to a rechargeable battery and monitoring a state of a rechargeable battery, while outputting a state signal which indicates an operation state of the control unit. The monitoring unit determines whether or not the operation state of the control unit is a predesignated specified operation state based on the state signal outputted from the control unit.

Abstract: A circuit board analyzer includes a storage unit for storing mesh position information on an analyzed mesh-division model and extracted circuit constants in relation to each other; a division-model configuration unit for dividing the layout of a circuit board into meshes to configure a new mesh-division model; an identical-mesh determination unit for making a comparison between mesh position information on the new mesh-division model and mesh position information on the analyzed mesh-division model to determine identical meshes that have identical mesh position information; and a circuit-constant extraction unit for performing analytical processing based on the new mesh-division model to extract new circuit constants and reusing, as a new circuit constant associated with the identical meshes, an extracted circuit constant that is related to the mesh position information on the identical meshes.

Abstract: A circuit board analyzing method and a circuit board analyzer are provided which can greatly reduce analyzing time. The circuit board analyzer includes a computing unit 110, a memory unit 140 connected to the computing unit 110, and an input unit 160 connected to the computing unit 110. The computing unit 110 includes a wiring data acquiring section 310 acquiring data of wirings formed on a circuit board, a basic circuit diagram forming section 320 dividing the wirings into meshes and setting cells and branches connecting the adjacent cells, and an interference analysis setting section 330 setting an element ignoring range of elements set in the cells and the branches.

Abstract: In a noise reduction circuit, a transistor circuit amplifies an input signal and outputs an output signal with supply of power from the DC voltage source via a power supply line circuit. The canceling signal adding circuit acquires and attenuates a part of the output signal, to generate a canceling signal having a phase substantially opposite to a phase of a leakage signal leaking to the power supply line circuit, and having an amplitude substantially the same as an amplitude of the leakage signal.

Abstract: An equivalent material constant calculation system that calculates an equivalent material constant of a structure constituted by a plurality of materials includes a shape data input portion that inputs shape data, a material data input portion that inputs material constant data, a dividing portion that divides the structure into a plurality of small regions, and a small region interior calculation portion that calculates equivalent material constants in the small regions, in which the small region interior calculation portion, based on the shape data and material constant data, with a function that includes a value in a variable that expresses a position in at least one direction in the small region, expresses an equivalent material constant for a region that is a portion of a small region, and using the function, calculates an equivalent material constant for the small region with respect to the at least one direction.

Abstract: A printed wiring board for mounting a semiconductor, which printed wiring board has a taper-shaped through hole connecting an upper surface circuit and a lower surface circuit, and/or an internal layer circuit, the taper-shaped through hole being obtained by plating an inner wall surface and a small-diameter side end of a taper-shaped penetration hole with a metal to plate the inner wall surface and seal the small-diameter side end, wherein a ball pad or a bump pad is formed at least a small-diameter side end of the taper-shaped through hole.

Abstract: An interference analysis device that analyzes interference includes an input unit 2 that inputs design data, a selection unit 3 that selects an analysis region, a division unit 5 that divides a wire into segments, a calculation unit 6 that calculates a circuit matrix regarding a coupled line, and an analysis unit 7 that obtains a degree of electromagnetic interference, wherein the calculation unit 6 calculates a circuit matrix of the coupled line, using a parameter set obtained by adding an asymmetry parameter to RLGC parameters of a transmission line in the coupled line. Thus, a method for analyzing an interference of circuit wiring can be provided, which is capable of shortening a processing time substantially while maintaining high precision.

Abstract: A chassis surface temperature estimate apparatus capable of quickly and easily estimating a chassis surface temperature without obtaining a parameter for each component through actual measurement for thermal design is provided. A thermal analysis execution section (6) executes a thermal analysis in units of heat-generation groups each including at least one heat-generating component, and obtains the chassis surface temperatures caused by respective heat-generation groups. A storage section (8) stores the chassis surface temperatures obtained for respective heat-generation group. A synthesis section (7) firstly reads the chassis surface temperature data from the storage section (8), and converts the chassis surface temperatures caused by respective heat-generation groups to radiation amounts. Secondly, the synthesis section (7) calculates a sum of radiation amounts by adding the radiation amounts obtained through the conversion.

Abstract: The present invention provides a common marmoset-derived glyceraldehyde-3-phosphate dehydrogenase gene and use thereof.

Abstract: In a propeller shaft for a motor vehicle, an outer periphery of an outer end of an annular support member is formed as an expanded poison.

Abstract: In a propeller shaft for a motor vehicle, a cover is provided in an outer end of an annular support member, the cover extends to an inner side in a radial direction from an outer end of the annular support member, and the extended end sets a gap formed with respect to an outer shell of a stopper means so as to be open in an axial direction to an inlet of a labyrinth seal.

Abstract: A metal-polishing liquid used for chemical-mechanical polishing of a conductor film of copper or a copper alloy in a process for manufacturing a semiconductor device, the metal-polishing liquid comprising: (1) an amino acid derivative represented by the formula (I); and (2) a surfactant, wherein, in the formula (I), R1 represents an alkyl group having 1 to 4 carbon atoms and R2 represents an alkylene group having 1 to 4 carbon atoms.

Abstract: An equivalent material constant calculation system that calculates an equivalent material constant of a structure constituted by a plurality of materials includes a shape data input portion that inputs shape data, a material data input portion that inputs material constant data, a dividing portion that divides the structure into a plurality of small regions, and a small region interior calculation portion that calculates equivalent material constants in the small regions, in which the small region interior calculation portion, based on the shape data and material constant data, with a function that includes a value in a variable that expresses a position in at least one direction in the small region, expresses an equivalent material constant for a region that is a portion of a small region, and using the function, calculates an equivalent material constant for the small region with respect to the at least one direction.

Abstract: An equivalent material constant calculation system that calculates an equivalent material constant of a structure constituted by a plurality of materials includes a shape data input portion that inputs shape data, a material data input portion that inputs material constant data, a dividing portion that divides the structure into a plurality of small regions, and a small region interior calculation portion that calculates equivalent material constants in the small regions, in which the small region interior calculation portion, based on the shape data and material constant data, with a function that includes a value in a variable that expresses a position in at least one direction in the small region, expresses an equivalent material constant for a region that is a portion of a small region, and using the function, calculates an equivalent material constant for the small region with respect to the at least one direction.

Abstract: A 3-frequency branching circuit in the past could not be used for a system wherein a TDMA method such as GSM and DCS and a W-CDMA method such as UMTS are mixed. The 3-frequency branching circuit equipped with branching means having first and second internal terminals, an antenna terminal of connecting to an antenna, a low-pass filter connected between the first internal terminal and the antenna terminal, and a high-pass filter connected between the second internal terminal and the antenna terminal, a switching circuit of switching between GSM TX and GSM RX, a switching circuit of switching between DCS TX, DCS RX and a third internal terminal, and a duplexer connected to the third internal terminal.

Abstract: A method for measuring electric circuit parameters of a 2-terminal circuit having first and second terminals, includes steps of: terminating one of the first and second terminals with a terminal impedance Z1, to measure reflection characteristics al for the other terminal; terminating one of the first and second terminals with a terminal impedance Z2 different from the terminal impedance Z1, to measure reflection characteristics (2 for the other terminal; terminating one of the first and second terminals with a terminal impedance Z3 different from the terminal impedances Z1 and Z2, to measure reflection characteristics ?3 for the other terminal; and calculating electric circuit parameters of the 2-terminal circuit based on the resultant reflection characteristics ?1, ?2 and ?3, whereby measuring electric circuit parameters, such as S-parameters, Z-parameters or the like, even of a DUT having a weak ground, in a simple way with high accuracy and low cost.

Abstract: A curable composition containing a lake dye having an absorption maximum in the wavelength region of from 700 nm to 1100 nm and a thermosetting compound and/or a photo-setting compound; a solid imaging device installing therein a filter prepared using the curable composition; and a lake dye represented by the following formula (V): wherein L1 represents a methine chain composed of odd number(s) of methine group(s); A1 and A2 are each independently represents an alkyl group having a sulfo group; Y represents a cation necessary to balance a charge and selected from the group consisting of alkali earth metal ions (Mg2+, Ca2+, Ba2+, Sr2+), transition metal ions (Ag+, Fe+, Co2+, Ni2+, Cu2+, Zn2+) and (Al3+).

Abstract: A printed wiring board for mounting a semiconductor, which printed wiring board has a taper-shaped through hole connecting an upper surface circuit and a lower surface circuit, and/or an internal layer circuit, the taper-shaped through hole being obtained by plating an inner wall surface and a small-diameter side end of a taper-shaped penetration hole with a metal to plate the inner wall surface and seal the small-diameter side end, wherein a ball pad or a bump pad is formed at at least a small-diameter side end of the taper-shaped through hole.