Abstract: A first converter converts an initial attitude in an Euler angle representation into an initial attitude represented by quaternion. An updating unit updates an attitude represented by quaternion by defining the initial attitude represented by quaternion as an initial value, successively substituting output values of the triaxial gyro sensor. A second converter converts the attitude represented by quaternion into an attitude in the Euler angle representation. An angular speed derivation unit derives an angular speed based on a time-dependent change in the attitude in the Euler angle representation. A controller adjusts a period of time for derivation by an initial attitude derivation unit based on a variance value of the output value of the triaxial acceleration sensor or a variance value of the output value of the triaxial gyro sensor, when the speed is lower than a threshold value.

Abstract: An updating unit updates an attitude represented by quaternion by defining an initial attitude represented by quaternion as an initial value, and successively substituting output values of the triaxial gyro sensor. A second converter converts the attitude represented by quaternion into an attitude in the Euler angle representation. An angular speed derivation unit derives an angular speed based on a time-dependent change in the attitude in the Euler angle representation. The output unit outputs an angular speed derived based on an output value of a monoaxial gyro sensor, when a difference between a pitch angle derived based on the output value of the triaxial acceleration sensor and the output value of the second converter and a pitch angle from the second converter is equal to or larger than a threshold value.

Abstract: A GPS positioning unit acquires GPS positioning data of an object positioned based on a signal from a GPS satellite, and an angular velocity sensor acquires an output signal of the object. A sensitivity coefficient calculation unit sequentially derives a temporary sensitivity coefficient of the angular velocity sensor based on the GPS positioning data and the output signal. The sensitivity coefficient calculation unit derives a sensitivity coefficient for correcting the angular velocity output from the angular velocity sensor, by performing statistical processing on the temporary sensitivity coefficient of the angular velocity sensor that has been sequentially derived. A correlation coefficient calculation unit derives a correlation coefficient based on the GPS positioning data and the output signal. The sensitivity coefficient calculation unit changes a forgetting coefficient to be used when the statistical processing is performed, in accordance with the correlation coefficient.

Abstract: A pitch angular velocity correction value calculation device includes a pitch angle calculation unit and a correction value calculation unit. The pitch angle calculation unit calculates a pitch angle among attitude angles of a vehicle on the basis of a pitch angular velocity that is an angular velocity of the vehicle detected by a triaxial gyro sensor, and a correction value of the pitch angular velocity.

Abstract: A first converter converts an initial attitude in an Euler angle representation into an initial attitude represented by quaternion. An updating unit updates an attitude represented by quaternion by defining the initial attitude represented by quaternion as an initial value, successively substituting output values of the triaxial gyro sensor. A second converter converts the attitude represented by quaternion into an attitude in the Euler angle representation. An angular speed derivation unit derives an angular speed based on a time-dependent change in the attitude in the Euler angle representation. A controller adjusts a period of time for derivation by an initial attitude derivation unit based on a variance value of the output value of the triaxial acceleration sensor or a variance value of the output value of the triaxial gyro sensor, when the speed is lower than a threshold value.

Abstract: An updating unit updates an attitude represented by quaternion by defining an initial attitude represented by quaternion as an initial value, and successively substituting output values of the triaxial gyro sensor. A second converter converts the attitude represented by quaternion into an attitude in the Euler angle representation. An angular speed derivation unit derives an angular speed based on a time-dependent change in the attitude in the Euler angle representation. The output unit outputs an angular speed derived based on an output value of a monoaxial gyro sensor, when a difference between a pitch angle derived based on the output value of the triaxial acceleration sensor and the output value of the second converter and a pitch angle from the second converter is equal to or larger than a threshold value.

Abstract: A pitch angular velocity correction value calculation device includes a pitch angle calculation unit and a correction value calculation unit. The pitch angle calculation unit calculates a pitch angle among attitude angles of a vehicle on the basis of a pitch angular velocity that is an angular velocity of the vehicle detected by a triaxial gyro sensor, and a correction value of the pitch angular velocity.

Abstract: A GPS positioning unit acquires GPS positioning data of an object positioned based on a signal from a GPS satellite, and an angular velocity sensor acquires an output signal of the object. A sensitivity coefficient calculation unit sequentially derives a temporary sensitivity coefficient of the angular velocity sensor based on the GPS positioning data and the output signal. The sensitivity coefficient calculation unit derives a sensitivity coefficient for correcting the angular velocity output from the angular velocity sensor, by performing statistical processing on the temporary sensitivity coefficient of the angular velocity sensor that has been sequentially derived. A correlation coefficient calculation unit derives a correlation coefficient based on the GPS positioning data and the output signal. The sensitivity coefficient calculation unit changes a forgetting coefficient to be used when the statistical processing is performed, in accordance with the correlation coefficient.

Abstract: A duplexer device of this invention includes two surface acoustic wave filters having different band center frequencies and a phase matching circuit for matching phases of the two surface acoustic wave filters. The phase matching circuit is composed of one or more. line patterns, and at least one of the line patterns is formed as divided among a plurality of internal layers of a multi-layer package, and at least the line patterns formed on the internal layers adjacent to each other have pattern shapes different from each other. According to the invention, a duplexer device having a small size and stable filter characteristics can be provided.

Abstract: This invention is a duplexer device comprising two surface acoustic wave filters having band center frequencies different from each other and a line pattern for matching phases of the two surface acoustic Wave filters, wherein provided are: a wire bonding pad layer having a plurality of pads including. pads. for connecting the line pattern with terminals on the surface acoustic wave filters and pads for connecting a common terminal connected to. an external antenna with the line pattern; and a first pad connecting one of the surface acoustic wave filters and a first end of the line pattern and a second pad connecting the common terminal and a second end of the line pattern being arranged at positions that are the most distant from each other inside the wire bonding pad layer.

Abstract: This invention is a duplexer device comprising two surface acoustic wave filters having band center frequencies different from each other and a line pattern for matching phases of the two surface acoustic wave filters, wherein provided are: a wire bonding pad layer having a plurality of pads including pads for connecting the line pattern with terminals on the surface acoustic wave filters and pads for connecting a common terminal connected to an external antenna with the line pattern; and a first pad connecting one of the surface acoustic wave filters and a first end of the line pattern and a second pad connecting the common terminal and a second end of the line pattern being arranged at positions that are the most distant from each other inside the wire bonding pad layer.

Abstract: When various image data etc. published on a Web are used in an application of a client, a system of inserting all necessary information into the application only in a simple operation such as a dragging-and-dropping operation, etc. is provided. The utilization of the local disk resources of a client can be further improved by referring to target information on a Web. In a client connected to a network such as Internet, etc., the system includes: a unit for inserting image data into the application of the client by dragging and dropping or copying and pasting each type of image data etc. displayed on the Web browser in the client; a unit for obtaining the URL on which the image data are published, and the information about the image data, and managing them as the attribute of the image data.

Abstract: A duplexer device of this invention includes two surface acoustic wave filters having different band center frequencies and a phase matching circuit for matching phases of the two surface acoustic wave filters. The phase matching circuit is composed of one or more line patterns, and at least one of the line patterns is formed as divided among a plurality of internal layers of a multi-layer package, and at least the line patterns formed on the internal layers adjacent to each other have pattern shapes different from each other. According to the invention, a duplexer device having a small size and stable filter characteristics can be provided.