Abstract: The communication terminal apparatus includes a first communication unit that performs communication by a first communication system, a second communication unit that performs communication by a second communication system, a storage unit that stores therein pieces of channel information on channels, a comparison unit that compares the pieces of channel information, and an operation unit that is able to select a piece of channel information displayed on a display unit. The second communication unit receives first channel information on a first channel that is used by a different communication terminal apparatus by the first communication system. The storage unit stores therein the first channel information that is received by the second communication unit. The comparison unit compares whether or not the first channel information that is stored and second channel information on a channel that is used by the subject communication terminal apparatus by the first communication unit coincide with each other.

Abstract: A wireless communication device includes: a reception unit configured to receive, by a first channel, a group formation request signal from a management device and a group participation request signal from each of leader devices; a mode setting unit configured to set, when the group formation request signal is received, a group formation mode during a first duration determined in advance; a storage configured to receive the group participation request signal and store a radio field strength when receiving the group participation request signal and an identifier of the leader device in an associated manner during the group formation mode; a selection unit configured to select, when the group formation mode is terminated, the leader device the radio field strength of which has a largest value; and a transmission unit configured to transmit, by a second channel, a group participation application signal to the selected leader device.

Abstract: A blast treatment method and an apparatus, which can perform the blast treatment of a treatment subject by using and securely initiating a blasting explosive having fluidity. The blast treatment method includes: a blasting preparation operation of housing a blasting explosive having fluidity in a container and placing the blasting explosive around a treatment subject as well as attaching an initiation device to the container; a housing operation of housing the container, the blasting explosive, and the treatment subject in a chamber; a decompression operation of decompressing the inside of the chamber; and a blasting operation of initiating the blasting explosive and blasting the treatment subject with the blasting explosive. In the decompression operation, the inside of the chamber is decompressed while a gas vent portion regulates the escape of the blasting explosive to the outside of the container and permits the escape of gases in the container to the outside.

Abstract: An antenna device is provided with an antenna element including a base, an inductance adjustment pattern that is formed on the upper surface and a side surface of the base and has a substantially U-shape, a capacitance adjustment pattern that is formed on the upper surface of the base and is placed to face the inductance adjustment pattern, and first to third terminal electrodes provided on the bottom surface of the base. The antenna element is installed between the first side and the second side of the ground pattern that form the two facing sides of the antenna mounting region. One end of the inductance adjustment pattern is connected to the feed line, the other end of the inductance adjustment pattern is connected to the first side of the ground pattern, and the third terminal electrode is connected to the second side of the ground pattern.

Abstract: A blast treatment method and an apparatus, which can perform the blast treatment of a treatment subject by using and securely initiating a blasting explosive having fluidity. The blast treatment method includes: a blasting preparation operation of housing a blasting explosive having fluidity in a container and placing the blasting explosive around a treatment subject as well as attaching an initiation device to the container; a housing operation of housing the container, the blasting explosive, and the treatment subject in a chamber; a decompression operation of decompressing the inside of the chamber; and a blasting operation of initiating the blasting explosive and blasting the treatment subject with the blasting explosive. In the decompression operation, the inside of the chamber is decompressed while a gas vent portion regulates the escape of the blasting explosive to the outside of the container and permits the escape of gases in the container to the outside.

Abstract: A method of blasting hazardous substance or explosive in a pressure vessel is provided to improve efficiency while suppressing enlargement of the pressure vessel. To achieve it, the method includes an installing step of installing two or more articles to be treated at a certain spacing in the pressure vessel, an initial blasting step of blasting one of the articles to be treated, and a following blasting step of blasting the article to be treated next to the previously blasted article to be treated after a particular time from the instant of the previous blast. Each of the articles is blasted sequentially through the initial and following blasting steps.

Abstract: A multiple resonance antenna includes a dielectric substrate, a first antenna electrode and a second antenna electrode, the first and second antenna electrodes being disposed together on the dielectric substrate with first ends connected to each other but with second ends remaining free, the dielectric substrate including a high-dielectric part having a higher relative permittivity than another part, the high-dielectric part being disposed beneath a part of the first antenna electrode including the second end.

Abstract: An antenna apparatus includes an antenna block and a substrate. The antenna block has a base that is made of a substantially cuboid dielectric body, an upper-surface conductor formed on an upper surface of the base, first and second pad electrodes that are formed on both ends of a bottom surface of the base in a longitudinal direction of the base, respectively, and a lateral-surface conductor connecting the upper-surface conductor and the second pad electrode. The substrate has a region mounting the antenna block, a ground pattern provided around the mounting region, first and second lands that are provided within the mounting region so as to correspond to the positions of the first and second pad electrodes, a feed line that is connected to the first land, an impedance-adjusting pattern connecting the first land and the ground pattern, and a frequency-adjusting pattern connecting the second land and the ground pattern.

Abstract: An antenna includes a dielectric substrate and an antenna element, wherein the dielectric substrate has a mark on an outer surface, the mark having a lower relative permittivity than the dielectric substrate, the antenna element is formed from a FPC film, and the FPC film has an antenna electrode on one side and a flexible insulating film with an adhesive layer on the other side and is adhered to the outer surface of the dielectric substrate with a tip or bend of the antenna electrode aligned with the mark.

Abstract: An antenna device is provided with an antenna element including a base, an inductance adjustment pattern that is formed on the upper surface and a side surface of the base and has a substantially U-shape, a capacitance adjustment pattern that is formed on the upper surface of the base and is placed to face the inductance adjustment pattern, and first to third terminal electrodes provided on the bottom surface of the base. The antenna element is installed between the first side and the second side of the ground pattern that form the two facing sides of the antenna mounting region. One end of the inductance adjustment pattern is connected to the feed line, the other end of the inductance adjustment pattern is connected to the first side of the ground pattern, and the third terminal electrode is connected to the second side of the ground pattern.

Abstract: A method of blasting hazardous substance or explosive in a pressure vessel is provided to improve efficiency while suppressing enlargement of the pressure vessel. To achieve it, the method includes an installing step of installing two or more articles to be treated at a certain spacing in the pressure vessel, an initial blasting step of blasting one of the articles to be treated, and a following blasting step of blasting the article to be treated next to the previously blasted article to be treated after a particular time from the instant of the previous blast. Each of the articles is blasted sequentially through the initial and following blasting steps.

Abstract: An antenna apparatus includes an antenna block and a substrate. The antenna block has a base that is made of a substantially cuboid dielectric body, an upper-surface conductor formed on an upper surface of the base, first and second pad electrodes that are formed on both ends of a bottom surface of the base in a longitudinal direction of the base, respectively, and a lateral-surface conductor connecting the upper-surface conductor and the second pad electrode. The substrate has a region mounting the antenna block, a ground pattern provided around the mounting region, first and second lands that are provided within the mounting region so as to correspond to the positions of the first and second pad electrodes, a feed line that is connected to the first land, an impedance-adjusting pattern connecting the first land and the ground pattern, and a frequency-adjusting pattern connecting the second land and the ground pattern.

Abstract: A monopole antenna comprising an antenna conductor to transmit or receive a radio wave, and an inductor either inserted in the antenna conductor or connected to an end of the antenna conductor. The inductor includes a first conductor electrically connected to the antenna conductor, and a magnetic material adjacent to the first conductor. The permeability of the magnetic material varies with a negative gradient with respect to the frequency of the radio wave.

Abstract: An electronic component module has a device-side module A and an antenna-side module B. The device-side module A is equipped with a first dielectric substrate 11 that is formed with a first transmission line 11a and a high-frequency device 13 that is mounted on the first dielectric substrate 11 and is connected to the first transmission line 11a. The antenna-side module B is equipped with a second dielectric substrate 12 that is laid on the first dielectric substrate 11 in such a manner that they are arranged in a lamination direction and that is formed with a second transmission line 12a that is electrically connected to the first transmission line 11, and an antenna element 14 that is provided on the second dielectric substrate 12 and electrically connected to the high-frequency device 13 via the second transmission line 12a and the first transmission line 11a.

Abstract: Since a width of an edge portion of a signal line of a first high frequency transmission line is changed with respect to a width of another portion thereof, a deviation of impedances in a connection portion of the first and second high frequency transmission lines can be suppressed, so that signal reflections occurred in the connection portion can be lowered and a signal passing characteristic is improved.

Abstract: A monopole antenna comprising an antenna conductor to transmit or receive a radio wave, and an inductor either inserted in the antenna conductor or connected to an end of the antenna conductor. The inductor includes a first conductor electrically connected to the antenna conductor, and a magnetic material adjacent to the first conductor. The permeability of the magnetic material varies with a negative gradient with respect to the frequency of the radio wave.

Abstract: An antenna has a base and an antenna element in contact with the base. The product of the relative permittivity of the base and the relative permeability of the base varies with a negative gradient with respect to the frequency of the radio waves transmitted by the antenna element or received by the antenna element. The negative-gradient variation of the product acts to offset the frequency-dependent variation in the wavelength.

Abstract: A pulse wave radar device controls an amplification degree of a receiving circuit, downward at a time of measuring an object at a short distance immediately after transmission of a transmitting pulse wave and upward, at a time of measuring the object at a long distance, by increasing the amplification degree of the receiving circuit progressively with the lapse of time after the transmission of the transmitting pulse wave.

Abstract: An electronic component module according to the invention includes: a mounting substrate 11 including a shield layer 13 and on which a first cavity 14a and a second cavity 14b are formed; a first electronic component 16a positioned in the first cavity 14a and used in a first frequency band; a second electronic component 16b positioned in the second cavity 14b and used in a second frequency band; lid members 15 which seal the first cavity 14a and the second cavity 14b; and patch antennas 17 which transmit/receive radio waves in the frequency bands, the antennas connected to the electronic components 16; wherein the electronic components 16 are mounted on the mounting substrate 11 via a substrate component 19 having a higher heat resistance than the mounting substrate 11 and that the mounting substrate 11 is composed of a member having a lower dielectric constant that the substrate component 19.