Abstract: The present invention relates to a method for identifying a chemical structure of a wide variety of low molecular weight compounds using mass-to-charge ratio and collision cross section of fragment ions of an analyte compound. The analyte compound is ionized and fragmented, and the fragment ions are measured by a mass spectrometer with an ion mobility spectrometry measurement device. According to the present method, it does not depend on any compound class-specific characteristics or structural features, therefore enabling determinations of any classes of low molecular weight compounds, which does not limit to a specific compound class. The present invention comprises three methods which share a common data structure and s data processing method.

Abstract: The present invention relates to a method for identifying a chemical structure of a wide variety of low molecular weight compounds using mass-to-charge ratio and collision cross section of fragment ions of an analyte compound. The analyte compound is ionized and fragmented, and the fragment ions are measured by a mass spectrometer with an ion mobility spectrometry measurement device. According to the present method, it does not depend on any compound class-specific characteristics or structural features, therefore enabling determinations of any classes of low molecular weight compounds, which does not limit to a specific compound class. The present invention comprises three methods which share a common data structure and s data processing method.

Abstract: The present invention relates to a method for identifying a chemical structure of a wide variety of low molecular weight compounds using mass-to-charge ratio and collision cross section of fragment ions of an analyte compound. The analyte compound is ionized and fragmented, and the fragment ions are measured by a mass spectrometer with an ion mobility spectrometry measurement device. According to the present method, it does not depend on any compound class-specific characteristics or structural features, therefore enabling determinations of any classes of low molecular weight compounds, which does not limit to a specific compound class. The present invention comprises three methods which share a common data structure and s data processing method.

Abstract: Provided is a distributor capable of reducing insertion loss while suppressing a ratio in power distribution among output lines from being changed. The distributor 4 is a distributor that is connected with an input line Lin and output lines Lo1 to Lo3 respectively formed on a dielectric substrate 10 as microstrip lines, and distributes to the output lines Lo1 to Lo3 high frequency power fed from a feeding point to a branching point through the input line Lin. In addition, the distributor 4 is configured to include a stub area 42 that is formed in the input line Lin, is separated from the branching point 41, and has a rectangular shape wider than line widths of a first area La and a second area Lb of the input line Lin.

Abstract: A radar apparatus includes: a transmitting antenna including a first antenna and a second antenna that transmit transmission waves; a signal processor configured to determine a mounted state of the radar apparatus on the vehicle; and a phase adjuster that adjusts at least one of phases of transmission signals output to the first antenna and the second antenna of the transmitting antenna. The signal processor controls the phase adjuster to adjust the at least one of the phases of the transmission signals based on the mounted state determined by the signal processor.

Abstract: In an antenna, an antenna element interval is reduced without depending on an interval between converters, to widen the range of a phase folding angle to widen a detection angle range. The antenna includes a first antenna element including a feeder line extending from a first converter and a plurality of radiating elements. A second antenna element includes a feeder line extending from a second converter aligned together with the first converter and a plurality of radiating elements. The first and second antenna elements respectively include, at partial line portions of the feeder lines which extend from the converters to closest radiating elements, bend portions which are bent in directions which the bend portions come close to each other. The partial line portions of the first and second antenna elements are disposed so as to be linearly symmetrical about a virtual line.

Abstract: An antenna includes a plurality of transmitting antennas that are: a first transmitting antenna that transmits a transmission wave in a right-upward direction relative to a reference axis substantially parallel to a road surface; a second transmitting antenna that transmits a transmission wave in a left-upward direction relative to the reference axis; a third transmitting antenna that transmits a transmission wave in a right-downward direction relative to the reference axis; and a fourth transmitting antenna that transmits a transmission wave in a left-downward direction relative to the reference axis. A transmission range of the transmission wave transmitted from each of the first transmitting antenna, the second transmitting antenna, the third transmitting antenna and the fourth transmitting antenna partially overlaps with the transmission ranges of the transmission waves transmitted from the transmitting antennas located in vicinity.

Abstract: An antenna device according to an embodiment includes a dielectric substrate, a housing, and an interference prevention unit. On the top surface side of the dielectric substrate, a plurality of antennas is formed, and on the bottom surface side, a ground is formed, each as a conductive thin film pattern, respectively. The housing is formed of a conductive material, and formed to have a shape configured to function as a waveguide, and the top surface side of the housing is bonded to the bottom surface side of the dielectric substrate. The interference prevention unit is formed between the neighboring antennas to include at least a groove provided on the top surface side of the housing and a slit provided on the ground in the portion corresponding to the groove.

Abstract: There is provided an antenna. A third transmission antenna is provided at a position shifted in a short direction of a first transmission antenna. A second transmission antenna is provided at a position between the first and third transmission antennas so that a portion of the second transmission antenna in a longitudinal direction is overlapped with a portion of the first and third transmission antennas in the longitudinal direction. A fourth transmission antenna is provided at a position point-symmetrical with respect to the position of the second transmission antenna, about the position of the third transmission antenna. A plurality of reception antennas are provided so that a portion of each of the reception antennas in the longitudinal direction is overlapped with a portion of the second transmission antenna in the longitudinal direction.

Abstract: Provided is a distributor capable of reducing insertion loss while suppressing a ratio in power distribution among output lines from being changed. The distributor 4 is a distributor that is connected with an input line Lin and output lines Lo1 to Lo3 respectively formed on a dielectric substrate 10 as microstrip lines, and distributes to the output lines Lo1 to Lo3 high frequency power fed from a feeding point to a branching point through the input line Lin. In addition, the distributor 4 is configured to include a stub area 42 that is formed in the input line Lin, is separated from the branching point 41, and has a rectangular shape wider than line widths of a first area La and a second area Lb of the input line Lin.

Abstract: An antenna which reduces the number of end faces and perpendicular corners, and suffers from little deterioration of performance even if used for high frequency transmission/reception, in particular a microstrip patch antenna which is comprised of a dielectric substrate on the bottom surface of which a conductive ground plate is formed and on the top surface of which a patch antenna part formed by a conductor and a feeder circuit connected to the same are provided, wherein the feeder circuit is connected to the antenna part while offset by exactly a predetermined distance to either end side from a center of one side of said antennas part to which said feeder circuit is to be connected so that a transmission loss of the antenna becomes a predetermined value or less. The predetermined distance can be made 20 to 70% of the longitudinal side of the patch antenna part.

Abstract: An antenna includes a plurality of transmitting antennas that are: a first transmitting antenna that transmits a transmission wave in a right-upward direction relative to a reference axis substantially parallel to a road surface; a second transmitting antenna that transmits a transmission wave in a left-upward direction relative to the reference axis; a third transmitting antenna that transmits a transmission wave in a right-downward direction relative to the reference axis; and a fourth transmitting antenna that transmits a transmission wave in a left-downward direction relative to the reference axis. A transmission range of the transmission wave transmitted from each of the first transmitting antenna, the second transmitting antenna, the third transmitting antenna and the fourth transmitting antenna partially overlaps with the transmission ranges of the transmission waves transmitted from the transmitting antennas located in vicinity.

Abstract: In an antenna, an antenna element interval is reduced without depending on an interval between converters, to widen the range of a phase folding angle to widen a detection angle range. The antenna includes a first antenna element including a feeder line extending from a first converter and a plurality of radiating elements. A second antenna element includes a feeder line extending from a second converter aligned together with the first converter and a plurality of radiating elements. The first and second antenna elements respectively include, at partial line portions of the feeder lines which extend from the converters to closest radiating elements, bend portions which are bent in directions which the bend portions come close to each other. The partial line portions of the first and second antenna elements are disposed so as to be linearly symmetrical about a virtual line.

Abstract: A radar apparatus includes: a transmitting antenna including a first antenna and a second antenna that transmit transmission waves; a signal processor configured to determine a mounted state of the radar apparatus on the vehicle; and a phase adjuster that adjusts at least one of phases of transmission signals output to the first antenna and the second antenna of the transmitting antenna. The signal processor controls the phase adjuster to adjust the at least one of the phases of the transmission signals based on the mounted state determined by the signal processor.

Abstract: There is provided an antenna. A third transmission antenna is provided at a position shifted in a short direction of a first transmission antenna. A second transmission antenna is provided at a position between the first and third transmission antennas so that a portion of the second transmission antenna in a longitudinal direction is overlapped with a portion of the first and third transmission antennas in the longitudinal direction. A fourth transmission antenna is provided at a position point-symmetrical with respect to the position of the second transmission antenna, about the position of the third transmission antenna. A plurality of reception antennas are provided so that a portion of each of the reception antennas in the longitudinal direction is overlapped with a portion of the second transmission antenna in the longitudinal direction.

Abstract: An antenna device according to an embodiment includes a dielectric substrate, a housing, and an interference prevention unit. On the top surface side of the dielectric substrate, a plurality of antennas is formed, and on the bottom surface side, a ground is formed, each as a conductive thin film pattern, respectively. The housing is formed of a conductive material, and formed to have a shape configured to function as a waveguide, and the top surface side of the housing is bonded to the bottom surface side of the dielectric substrate. The interference prevention unit is formed between the neighboring antennas to include at least a groove provided on the top surface side of the housing and a slit provided on the ground in the portion corresponding to the groove.

Abstract: An object is to suppress radiation of a cross polarized wave by a microstrip antenna to improve cross polarization discrimination of the traveling wave excitation antenna. A microstrip antenna wherein: a feed line 21 through which a traveling wave propagates, and a radiating element 22 that is excited by the traveling wave are formed on a dielectric substrate 1, and wherein: the radiating element 22 has a radiating part 22A for radiating a co-polarization wave, and an open stub 22B that has a stub length 22A substantially equal to ?g/4 and that extends from the radiating part toward a cross polarization direction. Therefore, without changing an element width Lb of the radiating element 22, radiation of a cross polarized wave by the radiating element 22 can be suppressed to improve cross polarization discrimination.

Abstract: An antenna which reduces the number of end faces and perpendicular corners, and suffers from little deterioration of performance even if used for high frequency transmission/reception, in particular a microstrip patch antenna which is comprised of a dielectric substrate on the bottom surface of which a conductive ground plate is formed and on the top surface of which a patch antenna part formed by a conductor and a feeder circuit connected to the same are provided, wherein the feeder circuit is connected to the antenna part while offset by exactly a predetermined distance to either end side from a center of one side of said antennas part to which said feeder circuit is to be connected so that a transmission loss of the antenna becomes a predetermined value or less. The predetermined distance can be made 20 to 70% of the longitudinal side of the patch antenna part.

Abstract: An electrical circuit device includes an electrical circuit that includes a plurality of electrically connected components including a component that necessitates heat measures, a substrate that physically connects main components among the plural components of the electrical circuit, and a package that hermetically seals the substrate. The component that necessitates heat measures is arranged outside the package.