Abstract: A drive support unit of a turbo compressor includes at least one bearingless motor. The at least one bearingless motor includes a rotor-stator pair constituted by a rotor and a stator, and is configured to rotationally drive a drive shaft and to support a radial load of the drive shaft in a contactless manner. Accordingly, it is possible to provide a turbo compressor to which a bearingless motor is applied.

Abstract: A radio-frequency circuit is used in simultaneous transfer of a radio-frequency signal of 4G and a radio-frequency signal of 5G, and includes a first transfer circuit that selectively receives the 4G radio-frequency signal or the 5G radio-frequency signal, and transfers a radio-frequency signal of a first communication band including a first transmission band and a first reception band and a radio-frequency signal of a second communication band including a second transmission band and a second reception band. The first and second transmission bands at least partially overlap. The first transfer circuit includes a first power amplifier that amplifies transmission signals of the first and second communication bands, and a first transmission filter that has a first passband including the first and second transmission bands, and passes the transmission signals of the first and second communication bands output from the first power amplifier.

Abstract: A cooling ECU for a vehicle including a high-temperature-side coolant circuit that circulates high-temperature-side coolant by a high-temperature-side water pump, and an airbag ECU that detects collision stops the high-temperature-side water pump when the collision is detected by the airbag ECU and the high-temperature-side coolant is equal to or higher than a first predetermined temperature determined based on the boiling point of the water.

Abstract: A first receiving band and a first transmission band in band A and a second transmission band and a second receiving band in band B are listed in frequency order. A radio frequency module includes: first and second boards; a first filter having a passband that is the first transmission band; second and sixth filters each having a passband that is the first receiving band; third and fifth filters each having a passband that is the second receiving band; a first power amplifier connected to the first filter; a fourth filter having a passband that is the second transmission band; and a second power amplifier connected to the fourth filter. The first to third filters and the first power amplifier are disposed on the first board, and the fourth to sixth filters and the second power amplifier are disposed on the second board.

Abstract: A disclosed managing apparatus and image forming apparatus management system ensure confidentiality of information in an image forming apparatus while usability is maintained. An image forming apparatus acquires IC card identifying information with an IC card reader. A management server acquires a user ID associated with the acquired IC card identifying information and use limit information concerning use of the image forming apparatus. A process is performed in the image forming apparatus in accordance with the use limit information.

Abstract: A fabrication method of a thermoelectric conversion element includes forming a first metal layer containing Cu on a first surface of a thermoelectric conversion layer, and forming a first electrode and a first intermediate layer from the first metal layer. The thermoelectric conversion layer is composed of a thermoelectric conversion material containing Mg and at least one kind of element selected from the group consisting of Sb and Bi, the first intermediate layer is provided between the thermoelectric conversion layer and the first electrode, the first intermediate layer is in contact with the thermoelectric conversion layer, the first electrode is in contact with the first intermediate layer, and a composition of the first intermediate layer is different from both a composition of the first electrode and a composition of the thermoelectric conversion layer.

Abstract: According to one embodiment, an estimation device includes a processor. The processor accepts information. The information is acquired by each of a plurality of ultrasonic sensors transmitting an ultrasonic wave in a second direction toward a weld portion and receiving a reflected wave. The ultrasonic sensors are arranged in a first direction. The second direction crosses the first direction. The processor estimates a range of the weld portion in the second direction based on an intensity distribution of the reflected wave in the second direction. The processor calculates a centroid position of an intensity distribution of the reflected wave in the first direction for each of a plurality of points in the second direction, and estimates a range of the weld portion in the first direction based on a plurality of the centroid positions.

Abstract: A structural member includes a first member, a second member, and resin. The first member includes a top plate, vertical walls, flanges, and ridge portions. The second member includes a top plate, vertical walls, flanges, and ridge portions. The vertical walls of the second member are disposed along the vertical walls of the first member on an inner side of the vertical walls. The flanges of the second member are joined to the flanges of the first member, respectively. The resin is filled in between the vertical walls of the second member.

Abstract: A structural member includes a first member, a second member, and a restricting portion. The first member includes a top plate, vertical walls, flanges, and ridge portions. The second member includes a top plate, vertical walls, flanges, and ridge portions. The vertical walls of the second member are disposed along the vertical walls of the first member inside of the vertical walls. The flanges of the second member are joined to the flanges of the first member, respectively. The restricting portion is provided between the vertical walls of the second member. The restricting portion restricts deformation in which portions of the vertical walls of the first member close to the flanges approach each other.

Abstract: A radio frequency circuit includes: a divider circuit configured to divide a radio frequency signal input through a first terminal, and output radio frequency signals resulting from the dividing, respectively through a second terminal and a third terminal; a combiner circuit configured to combine a radio frequency signal input through a fourth terminal and a radio frequency signal input through a fifth terminal, and output a radio frequency signal resulting from the combining, through a sixth terminal; a first amplifier disposed on a first path connecting the second terminal and the fourth terminal; a second amplifier disposed on a second path connecting the third terminal and the fifth terminal; and a first switch connected between the third terminal and an input terminal of the second amplifier, the first switch being switched between a conducting state and a non-conducting state according to a power class.

Abstract: A radio frequency circuit includes: a plurality of input terminals including a first input terminal through which a first Wireless Local Area Network (WLAN) transmission signal is received and a second input terminal through which a 5th Generation New Radio (5G NR) transmission signal is received; a power amplifier; a first switch connected to an input side of the power amplifier and switches a connection of the power amplifier between the plurality of input terminals; and a variable phase circuit connected to an output side of the power amplifier and changes the impedance matching between the power amplifier and the load in accordance with a connection status of the first switch.

Abstract: The thermoelectric conversion element according to the present disclosure comprises a first electrode, a second electrode, a first intermediate layer, a second intermediate layer, and a thermoelectric conversion layer. The first intermediate layer is provided between the thermoelectric conversion layer and the first electrode. The first intermediate layer is in contact with the thermoelectric conversion layer. The first electrode is in contact with the first intermediate layer. The second intermediate layer is provided between the thermoelectric conversion layer and the second electrode. The second intermediate layer is in contact with the thermoelectric conversion layer. The second electrode is in contact with the second intermediate layer. The first electrode and the second electrode are composed of a CuZn alloy. The thermoelectric conversion layer is composed of a thermoelectric conversion material containing Mg.

Abstract: A liquid ejection apparatus includes a liquid ejection portion configured to eject a liquid from a plurality of nozzles to perform printing, a liquid mounting portion to which a liquid accommodation portion configured to accommodate a liquid is removably mounted, an image reading portion configured to read an image, and a control portion. The control portion enables use of the image reading portion whether or not the liquid accommodation portion is replaced, in a state in which a liquid accommodation amount of the liquid accommodation portion is less than a liquid threshold value, and there is no possibility of reduction in product quality. The control portion prohibits use of the image reading portion until the liquid accommodation portion is replaced, in a state in which the liquid accommodation amount is less than the liquid threshold value, and there is no possibility of reduction in product quality.

Abstract: A high frequency module capable of improving a heat dissipation performance of a power amplifier includes a mounting board, a power amplifier, and a connection member. The mounting board has a first main surface facing a second main surface. The power amplifier is disposed on the second main surface of the mounting board. The connection member is connectable to an external board. The power amplifier includes a base material, a transistor, and a through via. The base material has a third main surface facing a fourth main surface, and the third main surface is disposed between the second main surface and the fourth main surface. The transistor is disposed on the third main surface of the base material. The through via is provided between the third main surface and the fourth main surface. The through via is connected to the connection member.

Abstract: A high frequency module capable of improving heat dissipation characteristics of a power amplifier and suppressing influence of heat of the power amplifier on another electronic component is provided. A high frequency module includes a mounting substrate, a power amplifier, a switch, a plurality of external connection terminals, and a connector. The mounting substrate has a first main surface and a second main surface that are opposite to each other. The power amplifier and the switch are disposed on the second main surface of the mounting substrate. The plurality of external connection terminals are disposed on the second main surface of the mounting substrate. The connector is able to be connected to an external substrate. The plurality of external connection terminals include a first external connection terminal that is connected to the connector. The first external connection terminal is disposed between the power amplifier and the switch.

Abstract: A display device according to one aspect of the present invention includes: a display unit configured to have display information and emits visible light having a continuous spectrum; an infrared cut-off part configured to transmit the visible light from the display unit and to reduce the amount of infrared light striking the display unit; and a reflecting part configured to reflect the visible light having passed through the infrared cut-off part. The infrared cut-off part includes a first polymer film and a second polymer film, the first polymer film includes an infrared cut-off layer configured to reduce infrared light transmission, and the second polymer film includes a high-retardation polyester film and is disposed between the first polymer film and the display unit.

Abstract: The present invention provides a kit for use in determining tauopathy or a dementia-related disease (excluding Alzheimer’s disease), containing an antibody that recognizes a polypeptide consisting of (1) the amino acid sequence shown in SEQ ID NO: 1, or (2) an amino acid sequence resulting from substitution, deletion, addition or insertion of one to several amino acids in the amino acid sequence shown in SEQ ID NO: 1, and the like.

Abstract: A radio frequency circuit includes: a plurality of input terminals including a first input terminal through which a first Wireless Local Area Network (WLAN) transmission signal is received and a second input terminal through which a 5th Generation New Radio (5G NR) transmission signal is received; a power amplifier; a first switch connected to an input side of the power amplifier and switches a connection of the power amplifier between the plurality of input terminals; and a variable phase circuit connected to an output side of the power amplifier and changes the impedance matching between the power amplifier and the load in accordance with a connection status of the first switch.

Abstract: A radio frequency circuit includes a first radio frequency circuit, a second radio frequency circuit, and a first switch circuit. The first switch circuit includes a first terminal connected to an antenna connection terminal, a second terminal connected to the first radio frequency circuit, and a third terminal connected to the second radio frequency circuit. The first radio frequency circuit includes a first power amplifier circuit supporting a first power class, and a first filter circuit connected to the first power amplifier circuit and having a passband that includes a first band. The second radio frequency circuit includes a second power amplifier circuit supporting a second power class having a maximum output power greater than a maximum output power of the first power class. The second radio frequency circuit includes a second filter circuit connected to the second power amplifier circuit and having a passband that includes the first band.

Abstract: A radio-frequency circuit includes a first switch, a first filter, a second filter, a third filter, and a fourth filter. The first switch is capable of selectively connecting a first selection terminal or a second selection terminal to a first common terminal. The first filter and the second filter are connected to the first selection terminal. The third filter and the fourth filter are connected to the second selection terminal. The first filter and the third filter are band pass filters. The second filter is a band elimination filter. A pass band of the first filter and a rejection band of the second filter overlap each other. The pass band of the first filter and a pass band of the third filter overlap each other.