Abstract: The technology relates to a communication apparatus, a communication method, and an electronic apparatus that allow for suppressing interference between signals in performing bidirectional transmission through electromagnetic coupling between two communication apparatuses. The communication apparatus includes a transmission control section that controls a method of transmission with another communication apparatus that performs the bidirectional transmission through the electromagnetic coupling on the basis of a distance from the other communication apparatus. Alternatively, the communication apparatus includes a transmission control section that controls a method of transmission with another communication apparatus on the basis of an interference level being a level of an interference component of a first signal affecting a second signal in performing transmission of the first signal and reception of the second signal through the electromagnetic coupling with the other communication apparatus.

Abstract: The present technology relates to a communication device, a communication method, and an electronic apparatus enabling a signal to be transmitted regardless of a polarization direction of a communication device which is a communication partner so that interference in a signal can be suppressed. A communication device includes: a communication unit that performs transmission of a first signal and a second signal by electromagnetic coupling with another communication device and is able to change each of a direction of a first polarized wave used for the transmission of the first signal and a direction of a second polarized wave used for the transmission of the second signal; and a transmission control unit that sets the direction of the first polarized wave and the direction of the second polarized wave in accordance with the other communication device. The present technology can be applied to, for example, a communication device transmitting a millimeter wave signal.

Abstract: Provided is an antenna device which includes: an antenna element (31) that transmits or receives a radio wave; a radome (20) that covers the antenna element (31); and one first wave director (21) or a plurality of first wave directors (21) that is provided on at least any one of an external surface or an internal surface of the radome (20).

Abstract: A knee brace includes a thigh fixing part, a shank fixing part, an outer leg joint that couples the thigh fixing part with the shank fixing part, and an inner leg joint that couples the thigh fixing part with the shank fixing part. When the wearer P flexes his/her knee joint, a lower arm is rotated with respect to an upper arm along with a rotation fulcrum shaft sliding in a long groove and a cam shaft sliding in a cam groove. When the outer leg joint and the inner leg joint are extended, the lower arm of the outer leg joint is configured to be moved relatively forward with respect to the lower arm of the inner leg joint.

Abstract: The present disclosure can provide a leg brace capable of reducing a pain in a knee while both enhancing its convenience and reducing the burden on an ankle. the leg brace including: a first pushing part that pushes a leg of the wearer outward so that an ankle bone is positioned above a heel bone; a second pushing part that pushes the leg of the wearer inward so that the ankle bone is positioned above the heel bone; a restraint part that restrains a positional relation between the first and the second pushing parts in which they face each other across the leg of the wearer; and a placement part on which a foot of the wearer is placed, the placement part being connected to the first pushing part or the second pushing part.

Abstract: Radar loss caused by a windshield having laminated glass in a vehicle is suppressed with a simple configuration. An antenna's radiation section is disposed inside the windshield of a vehicle having a plurality of layers. The radiation section not only radiates radio waves but also receives reflected waves of the radio waves from a target. A distance measurement information generation section is connected to the radiation section. The distance measurement information generation section measures a distance to the target on the basis of the radiated radio waves and the reflected waves from the target and generates distance measurement information.

Abstract: A radar apparatus according to the present disclosure includes: a transmission unit configured to transmit radio waves; a reception unit including a first receiver configured to receive a first reflected radio wave and a second receiver configured to receive a second reflected radio wave, the first reflected radio wave and the second reflected radio wave having different polarization characteristics from each other and being included in reflected radio waves that are the radio waves reflected by a detection target; and a control unit configured to control operations of the transmission unit and the reception unit, and configured to identify the detection target on the basis of the operation of the transmission unit, a first reception level at the first receiver, and a second reception level at the second receiver.

Abstract: The present disclosure provides a load detection device capable of preventing deterioration of the accuracy of a load detection with the lapse of time. A first exemplary aspect is a load detection device, including: a load detection part including a curved surface; an application member comprising a flat surface; and a transmission member located between the load detection part and the application member. The curved surface of the load detection part and a first surface of the transmission member come into point contact with each other, and the flat surface of the application member and a second surface opposite to the first surface of the transmission member come into surface contact with each other.

Abstract: The present technology relates to a transmitter, a transmission method, a receiver, and a reception method that can keep upsizing and cost increase to a minimum. The transmitter and the receiver have a detection mode and a communication mode as operation modes. The detection mode detects contact between a first waveguide on the side of the transmitter and a second waveguide on the side of the receiver. The communication mode sends or receives a modulated signal, acquired through frequency conversion of a baseband signal, via the first and second waveguides. The transmitter sends a given signal to the first waveguide in the detection mode. The transmitter and the receiver go from the detection mode to the communication mode in response to a given signal received by the receiver via the second waveguide and send and receive the modulated signal via the first and second waveguides in the communication mode.

Abstract: The present technology relates to a semiconductor chip that can ensure a low impedance current path in an I/O ring while suppressing attenuation of radio frequency signals. The semiconductor chip includes: an I/O ring surrounding a core circuit; first and second pads serving as input/output terminals for radio frequency signals; and a radio frequency signal transmission line electrically connected to the first and second pads and the core circuit. The radio frequency signal transmission line is formed above the I/O ring. The present technology is applicable to a semiconductor chip that performs input and output of RF signals.

Abstract: A connector device according to the present disclosure includes a first connector section and a second connector section. The first connector section includes a waveguide for transmitting a high-frequency signal. The second connector section includes a waveguide for transmitting a high-frequency signal, a yoke disposed to cover the waveguide, and a magnet forming a magnetic circuit with the yoke, and is couplable to the first connector section by the attractive force of the magnet. A communication system according to the present disclosure includes two communication devices and a connector device. The connector device has the above-described configuration and transmits a high-frequency signal between the two communication devices.

Abstract: The present technology relates to a connector for a waveguide, a communication module, a transmission cable, and an electronic device capable of reducing sizes of devices and parts using a plurality of waveguides. A connector for a waveguide is provided with an insertion unit in which a plurality of waveguides is inserted in a state in which side surfaces are opposed to each other, and a plurality of waveguide paths which connects a mounting surface which is a surface mounted on a substrate and the insertion unit and transmits signals transmitted by corresponding waveguides. The present technology is applicable to electronic devices which transmit signals using a plurality of waveguides, for example.

Abstract: The present disclosure relates to a connector module, a communication circuit board, and an electronic device that are capable of satisfactorily suppressing the leakage of high-frequency electromagnetic waves. The connector module includes an opening and a conductive spring. The opening accepts the insertion of an end of a waveguide that transmits high-frequency electromagnetic waves. The conductive spring locks the waveguide when the waveguide inserted into the opening is pressed toward one inner side surface of the opening. Further, the conductive spring is disposed in a gap between the opening and the waveguide so as to come into contact with the opening and with the waveguide along a direction in which the waveguide transmits the electromagnetic waves. The present technology is applicable, for example, to an electronic device that establishes communication by using millimeter waves.

Abstract: The present technology relates to a transmitter, a transmission method, a receiver, and a reception method, and particularly to a transmitter, a transmission method, a receiver, and a reception method that can keep upsizing and cost increase to a minimum. The transmitter and the receiver have a detection mode and a communication mode as operation modes. The detection mode detects contact between a first waveguide on the side of the transmitter and a second waveguide on the side of the receiver. The communication mode sends or receives a modulated signal, acquired through frequency conversion of a baseband signal, via the first and second waveguides. The transmitter sends a given signal to the first waveguide in the detection mode. The transmitter and the receiver go from the detection mode to the communication mode in response to a given signal received by the receiver via the second waveguide and send and receive the modulated signal via the first and second waveguides in the communication mode.

Abstract: A brace including a first member, a second member, a joint mechanism configured to support the first and second members, and an insertion-fitting member configured to be insertion-fitted into the joint mechanism, the joint mechanism includes an insertion-fitting receiving part configured to enable the insertion-fitting member to be insertion-fitted into the joint mechanism, and a regulation part disposed around the rotation axis in the second member, and the regulation part, which rotates around the rotation axis in an integrated manner with a rotation of the second member, makes surface contact with a projecting part of the insertion-fitting member fixed to the insertion-fitting receiving part on a trajectory of the rotation of the regulation part, so that a range of the rotation of the second member is regulated, the projecting part extending in a circumferential direction of the rotation of the second member.

Abstract: A connector apparatus of the present disclosure is configured to include: a waveguide cable; a substrate including a waveguide structure; and a coupling section configured to electromagnetically couple an end portion of the waveguide cable to the waveguide structure. Furthermore, a communication system of the present disclosure is a communication system including: a transmitter configured to transmit high-frequency signals; a receiver configured to receive high-frequency signals; a waveguide cable configured to transmit high-frequency signals between the transmitter and the receiver; and a connector apparatus configured to connect between at least one of the transmitter and the receiver to the waveguide cable. A connector apparatus having the above-mentioned configuration is used as the connector apparatus.

Abstract: An electronic device includes a central control unit and a waveguide device. The waveguide device includes a communication module having a communication function, and an attachment/detachment unit capable of attaching/detaching a high-frequency signal waveguide so that coupling between the module and the high-frequency signal is possible. The communication module includes a communication device, and a transfer structure configured to cause a high-frequency signal emitted from the communication device to be coupled to the high-frequency signal waveguide.

Abstract: A hot-rolled copper plate consists of pure copper having a purity of 99.99 mass % or greater, the hot-rolled copper plate having an average crystal grain diameter of 40 ?m or less, and a (?3+?9) grain boundary length ratio (L (?3+?9)/L), which is a ratio between a total crystal grain boundary length L measured by an EBSD method and a sum L (?3+?9) of a ?3 grain boundary length L?3 and a ?9 grain boundary length L?9, being 28% or greater.

Abstract: A connector device according to the present disclosure includes a first connector section and a second connector section. The first connector section includes a waveguide for transmitting a high-frequency signal. The second connector section includes a waveguide for transmitting a high-frequency signal, a yoke disposed to cover the waveguide, and a magnet forming a magnetic circuit with the yoke, and is couplable to the first connector section by the attractive force of the magnet. A communication system according to the present disclosure includes two communication devices and a connector device. The connector device has the above-described configuration and transmits a high-frequency signal between the two communication devices.

Abstract: A connector apparatus includes a first connector unit provided at an end section of a waveguide cable and a second connector unit that is provided at a terminal section of a transmission wire formed on a print substrate and is detachable from the first connector unit, the second connector unit being structured to perform a signal transmission with the first connector unit by an electromagnetic induction.