Abstract: An antenna device includes a dielectric substrate, a conductor plate that is placed on one surface of the dielectric substrate, that includes a first slot element, a second slot element, and one or more slits, and a ground conductor that is placed at a specified distance from the conductor plate in a first direction. A center of the first slot element is placed between a center of the second slot element and a center of each of slits, in a second direction.

Abstract: Provided is a wireless module whose size can be made smaller. The wireless module includes: a first substrate on which an antenna is mounted; a second substrate which opposes the first substrate and on which an electronic component is mounted; and a plurality of electric conductors which connect the first substrate and the second substrate and which transmit a signal between the antenna and the electronic components, wherein the plurality of electric conductors are disposed between the first substrate and the second substrate in series in a substantially vertical direction with respect to mounting surfaces of the first substrate and the second substrate.

Abstract: An antenna device includes a wireless module, a module substrate, and a metal plate. The wireless module includes an antenna element that operates in a millimeter wave band. The module substrate is a multi-layer wiring module substrate on which the wireless module is mounted. The metal plate has a length of 1/10 or more of an operation wavelength and is positioned in a vertical direction relative to a plane surface of the antenna element and in a predetermined distance from the antenna element.

Abstract: A semiconductor package includes a first substrate including a first surface layer where a first pad region and a second pad region are formed, the first pad region including a plurality of first pads for connection to a first IC, the second pad region including a plurality of second pads for connection to a second substrate, and a second surface layer where a third pad region including a plurality of third pads for connection to a second IC is formed, the second surface layer being formed on an opposite side of the first surface layer. The second pads surround the first pad region in at least three rows, and one or more pads included in the second pads and arranged in an inner portion are connected to one or more pads included in the first pads and to one or more pads included in the third pads.

Abstract: There is provided a radio module including: a first substrate; a second substrate that has a side which is opposed to the first substrate and on which an electronic component is mounted; a conductive member that connects the first substrate and the second substrate and that transmits a signal between the first substrate and the second; at least one first pad that is disposed in the first substrate and connected to the conductive member; and at least one second pad that is disposed in the second substrate and connected to the conductive member, each of the at least one second pad being opposed to each of the at least one first pad and each of larger than the at least one first pad in area.

Abstract: To reduce an influence of concentration polarization in a simple structure without an outer membrane element 32 and baffles, reduce a manufacturing cost of a module, and reduce a risk of damaging a membrane surface during manufacture. A plurality of horizontal cylindrical membrane elements 32 are disposed to form a row in a vertical direction in a module main body 11. An inside of each of the membrane elements is depressurized. A treatment liquid is sprayed from above the uppermost membrane element 32 so as to form a falling liquid membrane on outer faces of the respective membrane elements 32.

Abstract: A wireless device that suppresses deterioration of antenna characteristics and can be made thin is provided. The wireless device is provided with a substrate, a wireless module that is mounted on the substrate and has an antenna unit, and a casing that accommodates the substrate and the wireless module. The wireless device has a gap of a length that is an approximate multiple of a half-wavelength of a radio wave corresponding to a communication frequency of the antenna unit, from the antenna unit toward the casing.

Abstract: A high frequency module includes a module board, a connection member, and test terminals. The module board has a first surface on which a transmit antenna and a receive antenna are provided and a second surface on which a signal processing IC is provided, the second surface of the module board being the opposite side of the first surface. The connection member contains wiring for connecting the signal processing IC disposed on the second surface of the module board with another board. The test terminals are connected with the signal processing IC disposed on the second surface of the module board and arranged on the first surface of the module board.

Abstract: A microwave circuit that can suppress deterioration of transmission characteristics and that can be reduced in size is provided. The microwave circuit includes a first transmission line, a second transmission line, a third transmission line that is connected to the first transmission line and the second transmission line and whose line width is different from line width of the first transmission line and line width of the second transmission line, and a first ground conductor that surrounds the first transmission line, the second transmission line, and the third transmission line, respectively, at certain distances.

Abstract: A microwave circuit with which cracks in substrates can be suppressed and which can reduce the size of module including the microwave circuit is provided. The microwave circuit includes a multilayer first substrate, a second substrate that opposes the first substrate, a plurality of first electrically conductive members that electrically connect a first layer of the first substrate and the second substrate to each other, a plurality of second electrically conductive members that electrically connect the first layer of the first substrate and another layer of the first substrate to each other and each of the plurality of second electrically conductive members has a smaller diameter than that of each of the first electrically conductive members, and transmission lines that connect the first electrically conductive members and the second electrically conductive members.

Abstract: A wireless module capable of preventing deterioration of the antenna characteristics is provided. The wireless module includes a substrate including a first substrate, an antenna unit disposed on one end side of the substrate, a conductive member disposed on the other end side of one of two surfaces of the first substrate, and a molding section that covers the one of the two surfaces of the first substrate.

Abstract: Both ends of a feeder and both ends of a reflector of an antenna device are connected using a pair of diodes. When the diodes are turned on, a loop antenna is formed which loops the feeder, the diode, the reflector, a capacitor, and the diode, and the antenna device operates as the loop antenna. When the diodes are turned off, the antenna device operates as a Yagi-Uda antenna which is formed of the feeder, the reflector, and a wave guide.

Abstract: In a carbon dioxide recovery method including a carbon dioxide absorption step of bringing a gas to be treated containing carbon dioxide into contact with a carbon dioxide absorbing liquid, thereby removing carbon dioxide from the gas to be treated, and a regeneration step of removing carbon dioxide from a rich solution that has absorbed carbon dioxide in the carbon dioxide absorption step, thereby achieving regeneration, the rich solution that has absorbed carbon dioxide is guided in liquid form to a membrane separation apparatus (5) that is selectively permeable to carbon dioxide and equipped with a zeolite membrane for carbon dioxide separation, carbon dioxide is separated and removed by a pervaporation method, and the carbon dioxide absorbing liquid is thus regenerated.

Abstract: An antenna device includes a first substrate, a feeder line which is disposed in the first substrate, a grounding conductor which is disposed in the first substrate, a first radiation element which is electrically connected to the feeder line in the first substrate, a second radiation element which is electrically connected to the grounding conductor and is disposed substantially in parallel with the first radiation element in the first substrate, a first reflector which is disposed in the first substrate, and a second reflector which is disposed in the first substrate so as to be separated by a predetermined distance from the first radiation element or the second radiation element in at least one of longitudinal directions of the first radiation element and the second radiation element.

Abstract: There is provided an antenna device which can suitably tilt directivity of an antenna. The antenna device includes a dielectric substrate, a conductive plate arranged on one surface of the dielectric substrate, a first slot element to which electric power is supplied from a power supply line, which has an electrical length having an approximately ½ wavelength of use frequency of the antenna device, and which is formed in the conductive plate, a second slot element which has an electrical length longer than that of the first slot element, and which is formed in the conductive plate to be substantially parallel to the first slot element by leaving a gap of an approximately ¼ wavelength of the electrical length from the first slot element, and a ground conductor arranged to be substantially parallel to the conductive plate by leaving a predetermined gap from the conductive plate.

Abstract: Provided are: an antenna, which makes it easy to change the design of a wireless communication apparatus having the antenna mounted thereon; and a wireless module. The antenna is provided with: an antenna component (130), which is mounted on one surface of a module substrate (110); and an adjustment component (140), which is disposed at a position facing the antenna component (130), said position being on the other surface of the module substrate (110), and which adjusts antenna performance of the antenna component (130). A wireless module (100) can adjust, without changing the whole wireless module (100), characteristics of the antenna component (130) by changing the adjustment component (140) disposed on the module substrate (110).

Abstract: A reception signal processing devices includes a converter which converts an analog signal amplified by an amplifying section to a digital signal, switches respectively provided in post-stages of variable gain amplifiers of the amplifying section, a bypass switch section which sets to open and close a path in which outputs of the variable gain amplifiers go around the variable gain amplifiers of the post-stages and are inputted to the converter, a switch controller which controls the switches and the bypass switch section and a DC offset controller which sets a correction value of a DC offset in accordance with a gain set to the variable gain amplifier as an object to be corrected.

Abstract: An A/D conversion device generates a control clock signal having a cycle that is an integral multiple of a cycle of a reference clock signal. A shift voltage is generated which varies every cycle of the reference clock signal while the cycle of the control clock signal is taken as one cycle. An analog signal is offset by the shift voltage. The offset analog signal is converted to a digital signal every cycle of the reference clock signal. Outputs from the A/D converter are averaged every cycle of the control clock signal.

Abstract: A control server according to an embodiment sorts a plurality of notebook PCs into a plurality of groups so that the total value of the remaining amounts is a value similar to the total value of the remaining amounts of the rechargeable batteries of a plurality of notebook PCs included in a different group. The control server according to the embodiment performs local search individually on the sorted groups, and generates a control plan for the individual notebook PCs.

Abstract: It is provided a radio communication apparatus and radio communication method that, in the radio communication apparatus having a normal transmitting/receiving mode and a distortion correction mode, communicates successfully without influencing circuit characteristic in a normal transmitting/receiving mode, sends back a transmitting signal from the receiving system, extracts a distortion component due to narrowband characteristics or non-linear characteristics of a circuit, and corrects distortion in a distortion correction mode. In radio communication apparatus (100), distortion detecting section (111) extracts a distortion component using a transmitting baseband signal and a receiving baseband signal, coupling degree adjustment circuit (180) adjusts the degree of coupling between transmitting antenna (130) and receiving antenna (140), and coupling degree control section (170) switches the degree of coupling depending on a normal transmitting/receiving mode or a distortion correction mode.