Abstract: A detection device includes a transmitter configured to transmit an electromagnetic wave or a sound wave as a transmission signal, a receiver configured to receive a signal obtained by reflecting the transmission signal from an object, as a reception signal, a mixer configured to mix the transmission signal and the reception signal and output a mixed signal as an intermediate signal, and a detector configured to detect a motion of the object and a distance to the object from the intermediate signal, wherein the detector performs first sampling of the intermediate signal at a first sampling time in a first time interval when detecting the motion of the object, and the detector performs second sampling at a second sampling time in a second time interval smaller than the first time interval, between adjacent first sampling times when detecting the distance to the object.

Abstract: A detection device includes: a transmitter that transmits a high-frequency signal as a transmission signal; a receiver that receives a reception signal including a reflection signal formed by reflecting the transmission signal at a target; and a controller that detects the target based on a frequency of the reflection signal, and changes a frequency of the transmission signal based on a frequency of the reception signal.

Abstract: A detection device includes: a transmitter that transmits a high-frequency signal as a transmission signal; a receiver that receives a reception signal including a reflection signal formed by reflecting the transmission signal at a target; and a controller that detects the target based on a frequency of the reflection signal, and changes a frequency of the transmission signal based on a frequency of the reception signal.

Abstract: A wireless module including: a substrate that includes a first surface and a second surface on the back side of the first surface; a plurality of signal terminals that are provided on the first surface and the second surface, input and output signals; an antenna provided on the first surface; a signal processing circuit that is provided on the second surface, is connected between the signal terminals and the antenna, and performs various signal processings on signals input from the signal terminals and the antenna; wherein the signal terminals are arranged in horizontal symmetry on the first surface and the second surface, arranged at the same positions of the first surface and the second surface, and connected to a single signal line in the substrate.

Abstract: A detection device includes: a transmitter that transmits a high-frequency signal as a transmission signal; a receiver that receives a reception signal including a reflection signal formed by reflecting the transmission signal at a target; and a controller that detects the target based on a frequency of the reflection signal, and changes a frequency of the transmission signal based on a frequency of the reception signal.

Abstract: A wireless module including: a substrate that includes a first surface and a second surface on the back side of the first surface; a plurality of signal terminals that are provided on the first surface and the second surface, input and output signals; an antenna provided on the first surface; a signal processing circuit that is provided on the second surface, is connected between the signal terminals and the antenna, and performs various signal processings on signals input from the signal terminals and the antenna; wherein the signal terminals are arranged in horizontal symmetry on the first surface and the second surface, arranged at the same positions of the first surface and the second surface, and connected to a single signal line in the substrate.

Abstract: A wireless communication device that communicates with a plurality of slave units, including: a transmitter that transmits a data transmission instruction including a first identification information of a single slave unit among the plurality of slave units; a receiver that receives data corresponding to the data transmission instruction from the single slave unit; wherein the transmitter transmits to the plurality of slave units acknowledgment data which has incorporated second identification information into an acknowledgment to the data received from the single slave unit, the second identification information indicating another slave unit which transmits data corresponding to a next data transmission instruction to the wireless communication device.

Abstract: A communication device communicatable with an information processing device, including: a communicator that communicates with the information processing device; a detector that detects the movement of the communication device; an acquirer that acquires position information of the communication device by using one of different communication methods; and a selector that selects a communication method in which the acquirer acquires the position information, based on a selection signal transmitted from the information processing device; wherein when the detector detects the movement of the communication device, the communicator communicates with the information processing device, and the acquirer acquires the position information of the communication device by using the communication method selected by the selector.

Abstract: A wireless module includes a substrate, an antenna provided on a surface of the substrate, and a circuit, provided on the substrate, and configured to transmit and receive signals through the antenna. The antenna includes a terminal provided on a tip end part thereof.

Abstract: A communication device communicatable with an information processing device, including: a communicator that communicates with the information processing device; a detector that detects the movement of the communication device; an acquirer that acquires position information of the communication device by using one of different communication methods; and a selector that selects a communication method in which the acquirer acquires the position information, based on a selection signal transmitted from the information processing device; wherein when the detector detects the movement of the communication device, the communicator communicates with the information processing device, and the acquirer acquires the position information of the communication device by using the communication method selected by the selector.

Abstract: A wireless communication device that communicates with a plurality of slave units, including: a transmitter that transmits a data transmission instruction including a first identification information of a single slave unit among the plurality of slave units; a receiver that receives data corresponding to the data transmission instruction from the single slave unit; wherein the transmitter transmits to the plurality of slave units acknowledgment data which has incorporated second identification information into an acknowledgment to the data received from the single slave unit, the second identification information indicating another slave unit which transmits data corresponding to a next data transmission instruction to the wireless communication device.

Abstract: A communication system in which a communication apparatus includes a calculation unit configured to calculate, upon receiving a search signal from a new communication apparatus, a first time length by multiplying a first weighting time length by a relay count in a communication route to a destination, a second time length by multiplying a second weighting time length shorter than the first weighting time length by the signal strength of each communication link in the communication route, and a third time length by adding the first and second time lengths, and a transmission unit configured to transmit a response signal upon passage of the third time length from the receipt of the search signal, wherein upon receiving the response signal from one of the communication apparatuses ahead of any other response signals, the new communication apparatus sets the one of the communication apparatuses as the most adjacent relay point.

Abstract: A communication apparatus includes a detection unit that detects a first apparatus that is able to wirelessly communicate with the communication apparatus; a first selection unit that determines a route for communication between the communication apparatus and a communication destination, the route may include an intervening apparatus that relays communication between the communication apparatus and the communication destination, and selects, if plural routes are determined, a first route where a number of the intervening apparatuses is smallest from among the determined routes; and a second selection unit that, when two or more first routes are selected by the first selection unit, calculates, for each of the first routes, a sum of squares of each of first signal strength between two apparatuses in the determined first route as a second signal strength, and selects the route having the highest second signal strength from the determined first routes.

Abstract: A communication system in which a communication apparatus includes a calculation unit configured to calculate, upon receiving a search signal from a new communication apparatus, a first time length by multiplying a first weighting time length by a relay count in a communication route to a destination, a second time length by multiplying a second weighting time length shorter than the first weighting time length by the signal strength of each communication link in the communication route, and a third time length by adding the first and second time lengths, and a transmission unit configured to transmit a response signal upon passage of the third time length from the receipt of the search signal, wherein upon receiving the response signal from one of the communication apparatuses ahead of any other response signals, the new communication apparatus sets the one of the communication apparatuses as the most adjacent relay point.

Abstract: A wireless module includes a substrate, an antenna provided on a surface of the substrate, and a circuit, provided on the substrate, and configured to transmit and receive signals through the antenna. The antenna includes a terminal provided on a tip end part thereof.

Abstract: A communication apparatus includes a detection unit that detects a first apparatus that is able to wirelessly communicate with the communication apparatus; a first selection unit that determines a route for communication between the communication apparatus and a communication destination, the route may include an intervening apparatus that relays communication between the communication apparatus and the communication destination, and selects, if plural routes are determined, a first route where a number of the intervening apparatuses is smallest from among the determined routes; and a second selection unit that, when two or more first routes are selected by the first selection unit, calculates, for each of the first routes, a sum of squares of each of first signal strength between two apparatuses in the determined first route as a second signal strength, and selects the route having the highest second signal strength from the determined first routes.

Abstract: A diversity antenna apparatus includes a feed line through which radio communication power is transmitted, antennas connected in cascade through the feed line, and a first rectifier device placed in the feed line, wherein a first one of the antennas and a second one of the antennas each include a second rectifier device having an input terminal thereof connected to the feed line, an antenna device connected to an output of the first rectifier device, and a third rectifier device having an input terminal thereof connected to a connection point between the second rectifier device and the antenna device, and having an output terminal thereof grounded, wherein the first rectifier device placed in the feed line connects between the input terminal of the second rectifier device of the first one of the antennas and the input terminal of the second rectifier device of the second one of the antennas.

Abstract: An information processing apparatus, includes: a first connector that attaches a portable module incorporating an antenna; and a first antenna that transmits and receives a signal to/from the antenna; wherein when the portable module is attached to the first connector, the first antenna is fixed at a position on a substrate which is opposed to the antenna, and the first antenna is connected to a second antenna having a gain larger than a gain of the first antenna.

Abstract: A diversity antenna apparatus includes a feed line through which radio communication power is transmitted, antennas connected in cascade through the feed line, and a first rectifier device placed in the feed line, wherein a first one of the antennas and a second one of the antennas each include a second rectifier device having an input terminal thereof connected to the feed line, an antenna device connected to an output of the first rectifier device, and a third rectifier device having an input terminal thereof connected to a connection point between the second rectifier device and the antenna device, and having an output terminal thereof grounded, wherein the first rectifier device placed in the feed line connects between the input terminal of the second rectifier device of the first one of the antennas and the input terminal of the second rectifier device of the second one of the antennas.

Abstract: A card module includes a top case, a bottom case engaged with the top case, a substrate being positioned between the top case and the bottom case and including a first connection terminal, an electronic device provided in a space formed by engaging the top case with the bottom case, and a terminal substrate including a first surface on which a second connection terminal is formed, a second surface on which an electrode terminal is formed, and a through-hole in which a connection electrode is formed. The first connection terminal is connected to the second connection terminal. The second connection terminal and the electrode terminal are connected via the connection electrode.