Abstract: An access point transmits, in response to a reception of a first signal transmitted from a first wireless device, a second signal addressed to a second wireless device located outside a wireless communication area of the first wireless device.

Abstract: Disclosed are an insulating material (high-k layer) which includes a fiber assembly mainly composed of a cellulose nanofiber, and an electroconductive metal material supported by the fiber assembly; and a passive element (capacitor) which includes a high-k layer which is composed of the insulating material, and an electroconductive part stacked on the high-k layer.

Abstract: A power receiving apparatus includes a power reception circuit, a first member having a cylindrical shape, a power receiving coil disposed on a cylinder side surface of the first member and connected through wires to the power reception circuit, and a resonance coil configured to be freely movable along the cylinder side surface in a circumferential direction around a cylinder center axis of the first member, wherein the power receiving coil and the resonance coil are coupled to each other through electromagnetic induction.

Abstract: A pressure sensing element (100) includes a support substrate (11); a sensor electrode (12) supported by the support substrate (11); a pressure sensing film (14) functionalized to be electro-conductive, at least in a portion thereof faced to the sensor electrode (12); and an insulating layer (13) which keeps the sensor electrode (12) and the pressure sensing film (14) apart from each other by a predetermined distance A, and has formed therein an opening (20) in which the sensor electrode (12) is exposed to the pressure sensing film (14), the insulating layer (13) having an aperture wall (13b) which partitions the opening (20), and an aperture end (top aperture end (13a)) faced to the pressure sensing film (14), and the insulating layer (13) being increased in height, measured from the support substrate (11), continuously towards the opening (20).

Abstract: A wireless power transfer system includes a first transmitter coil, a second transmitter coil and a third transmitter coil arranged such that normal directions to planes of the first, the second and the third transmitter coils are orthogonal to each other in a three-dimensional space, and a controller that controls electric currents supplied to the first, the second and the third transmitter coils such that a synthetic magnetic field vector produced by the first, the second and the third transmitter coils rotates in a plane of rotation at a first angular frequency “?”, and that a normal vector to the plane of rotation rotates about an axis of rotation perpendicular to the normal vector at a second angular frequency “a” equal to or smaller than the first angular frequency (a??).

Abstract: A receiving device includes a receiving circuit configured to receive a first packet and a second packet, each of the first packet and the second packet including a first signal in a head and a second signal in a tail, respectively, and a processor configured to detect a collision of the first packet and the second packet based on a receiving timing of the first signal of the first packet, a receiving timing of the second signal of the first packet, and at least one of a receiving timing of the first signal of the second packet and a receiving timing of the second signal of the second packet, after detecting the collision, separate the first packet and the second packet based on the first signal of the first packet and the second signal of the second packet, and demodulate the separated first packet and the separated second packet, respectively.

Abstract: A pressure sensing element (100) includes a support substrate (11); a sensor electrode (12) supported by the support substrate (11); a pressure sensing film (14) functionalized to be electro-conductive, at least in a portion thereof faced to the sensor electrode (12); and an insulating layer (13) which keeps the sensor electrode (12) and the pressure sensing film (14) apart from each other by a predetermined distance A, and has formed therein an opening (20) in which the sensor electrode (12) is exposed to the pressure sensing film (14), the insulating layer (13) having an aperture wall (13b) which partitions the opening (20), and an aperture end (top aperture end (13a)) faced to the pressure sensing film (14), and the insulating layer (13) being increased in height, measured from the support substrate (11), continuously towards the opening (20).

Abstract: Provided is a pressure sensing element configured to be flexible, and capable of demonstrating a stable electrical reliability over a long period; and, a pressure sensor having such pressure sensing element. A pressure sensing element (100) has an electro-conductive pressure sensing film (14), a sensor electrode (12) provided at a position faced to the pressure sensing film (14), and an insulating layer (13) which creates a predetermined distance “A” between the pressure sensing film (14) and the sensor electrode (12) so as to keep them apart from each other, the pressure sensing film (14) being a resin film containing carbon particles (140); and, a pressure sensor (200) has the pressure sensing element (100), and a detection unit (210) which is electrically connected with the pressure sensing element (100) so as to detect contact resistance between the pressure sensing film (14) and the sensor electrode (12).

Abstract: A tactile sense presentation device is provided which is simple in structure, and is able to give a real tactile sense to a human body by causing electrical stimulation to effectively act thereon, while holding original human tactile sense. The electric tactile sense presentation device includes an electrode substrate adapted to be worn on a human body so as to be in contact with a skin, and a multitude of electrodes formed on a contact surface of the electrode substrate for contact with the skin to present a tactile sense by means of electrical stimulation, wherein the electrode substrate is composed of a flexible circuit body which is flexible to enable a portion thereof in contact with a real object to flexibly deform so as to conform to deformation of the skin, and it is configured such that electrical stimulation by the electrodes is superimposed on the tactile sense of a human being, while maintaining the human tactile sense.

Abstract: A wireless communication apparatus includes antenna elements, each receiving a first signal and a second signal, a first estimator that estimates first channel information of the first signal, a false signal generator that generates false signals that are equal in number to or greater in number than the number of the antenna elements, each of the false signals arriving from a unique direction that is different from a direction of arrival of the first signal, a weight generator that generates first weights, each being associated with a corresponding one of the false signals and forming a null in the direction of arrival of the first signal, a multiplier that multiplies a signals received by the respective antenna elements by the first weights to acquire weight-multiplied signals, and a second estimator that estimates second channel information of the second signal using the weight-multiplied signals.

Abstract: A pressure sensor comprising: a base film on which a conductor pattern having one or more electrodes is formed; a cover film laminated on the base film so as to cover the electrodes of the conductor pattern; and a spacer disposed between the cover film and the base film so as to form a hollow portion having a predetermined gap between the electrode and the cover film; wherein a portion corresponding to the hollow portion of the cover film is constructed such that it has a pressure sensing part which is able to deform in a direction to move toward and away from the electrode in accordance with pressure, and of which contact resistance changes in accordance with a contact pressure thereof with the electrode, so that the pressure sensing part detects the pressure by a change of the contact resistance.

Abstract: A wireless communication system includes a plurality of wireless terminals. Each of transmitting terminals executes direct communication or indirect communication. The wireless communication system includes a first obtainer that obtains a reception side terminal number which is the number of the wireless terminals with which the receiving terminal is able to communicate directly, a second obtainer that obtains a transmission side terminal number which is the number of the wireless terminals with which the transmitting terminal is able to communicate directly for each of a target transmitting terminal and a neighboring transmitting terminal, and a setter that selects one of the direct communication and the indirect communication based on the reception side terminal number, the transmission side terminal number for the target transmitting terminal, and the transmission side terminal number for the neighboring transmitting terminal, and executes the selected communication.

Abstract: A wireless communication system constitutes a wireless ad hoc network. A plurality of wireless terminals include a receiving terminal and a plurality of the transmitting terminals. Each of the transmitting terminals executes direct communication or indirect communication. The wireless communication system includes a first obtainer that obtains a reception side terminal number which is the number of the wireless terminals with which the receiving terminal is able to communicate directly, a second obtainer that obtains a transmission side terminal number which is the number of the wireless terminals with which a target transmitting terminal, which is one of the plurality of transmitting terminals, is able to communicate directly, and a setter that selects one of the direct communication and the indirect communication based on the reception side terminal number and the transmission side terminal number, and sets the target transmitting terminal so as to execute the selected communication.

Abstract: A wireless communication device includes: a plurality of antennas configured to receive a radio wave; a processor configured to execute a program; and a memory configured to store the program, wherein the processor preforms operations to: measure reception strength of a radio wave of an estimation target at each of the plurality of antennas; executes first calculation processing of calculating first correlation coefficients of antenna pairs among the plurality of antennas and calculating a second correlation coefficient of the plurality of antennas by using the first correlation coefficients for each of a plurality of direction-of-arrival candidates of the radio wave; and estimates a first direction of arrival of the radio wave of the estimation target based on the second correlation coefficient for each of the direction-of-arrival candidates.

Abstract: A rechargeable battery includes: a battery body including a cylindrical outer peripheral side surface; and a power receiving coil wound in at most a single layer around the outer peripheral side surface, and electrically connected to the battery body. The power receiving coil is helically wound around the outer peripheral side surface while forming a space from which the outer peripheral side surface is exposed.

Abstract: A tactile sense presentation device is provided which is simple in structure, and is able to give a real tactile sense to a human body by causing electrical stimulation to effectively act thereon, while holding original human tactile sense. The electric tactile sense presentation device includes an electrode substrate adapted to be worn on a human body so as to be in contact with a skin, and a multitude of electrodes formed on a contact surface of the electrode substrate for contact with the skin to present a tactile sense by means of electrical stimulation, wherein the electrode substrate is composed of a flexible circuit body which is flexible to enable a portion thereof in contact with a real object to flexibly deform so as to conform to deformation of the skin, and it is configured such that electrical stimulation by the electrodes is superimposed on the tactile sense of a human being, while maintaining the human tactile sense.

Abstract: To peel an etching resist easily and reliably without damaging a transparent conductive layer coated with the etching resist. A method for manufacturing a transparent printed circuit in an embodiment of the present invention includes: providing a transparent conductive sheet 3 having a transparent base material 1 and a transparent conductive layer 2 formed on the transparent base material 1, forming an etching resist 4 having a specified pattern on the transparent conductive layer 2, etching the transparent conductive layer 2 with the etching resist 4 as a mask, forming a peeling film 5 on the etching resist 4 and on the transparent base material 1 exposed by etching of the transparent conductive layer 2 so as to cover an area where the etching resist 4 is formed, and peeling the peeling film 5 together with the etching resist 4.

Abstract: A package structure includes a first member that surrounds a semiconductor device, a heat insulating material that surrounds an outer side of the first member, and a second member that surrounds an outer side of the head insulating material. The heat insulating material has a density and a thermal conductivity lower than those of the first and second members. The first member has a heat capacity larger than that of the second member.

Abstract: A light guide plate that uses a resin film as a material for the light guide plate, that has a reflecting or scattering pattern formed by printing, and that guides a light propagating in the film to exit and emerge from the front surface thereof. The light guide plate is thinner and highly flexible, and has high reliability and durability. A base material of the light guide plate is formed from a thermosetting polyurethane sheet with a thickness of 0.4 mm or less. When a dot pattern is formed by ink-jetting, a white UV curable ink, for which the thermosetting polyurethane exhibits a swellability such that the thermosetting polyurethane increases by 10% or more in weight as a result of being soaked in the ink for one hour at a room temperature, is used as the ink.

Abstract: In a gateway (GW), when interference is detected by an interference detection unit, a frame generation unit sends an interference broadcast signal. A terminal receives the interference broadcast signal sent at a maximum transmission power from the GW to which the terminal belongs. The interference broadcast signal includes information on a planned transmission power value that is a transmission power value of a data signal in the GW and is smaller than the maximum transmission power value. The interference broadcast signal is sent at the maximum transmission power value.