Abstract: Aspects of this disclosure relate to an acoustic wave device that includes high velocity layers on opposing sides of a piezoelectric layer. A low velocity layer can be positioned between the piezoelectric layer and one of the high velocity layers, in which the low velocity layer has a lower acoustic velocity than the high velocity layers. The acoustic wave device can be configured to generate a boundary acoustic wave such that acoustic energy is concentrated at a boundary of the piezoelectric layer and the low velocity layer.

Abstract: A first device having a transceiver and an antenna operatively connected to the transceiver and a second device having a transceiver and an antenna operatively connected to the transceiver, the first device in operative communication with the first device through a communications linkage separate from the transceiver of the first device and the transceiver of the second device. The first device is adapted to wirelessly communicate with a remote device through the transceiver of the first device. The second device is adapted to wirelessly communicate with the remote device through the transceiver of the second device. The system is configured to evaluate the wireless connection between the first device and the remote device and to evaluate the wireless communication between the second device and the remote device and determine whether the first device or the second device has a better connection.

Abstract: A communication apparatus (100) according to the present disclosure is a communication apparatus (100) that performs non-contact communication with an external apparatus (200) via a memory (210) of the external apparatus (200). The communication apparatus (100) includes a control unit (120). The control unit (120) receives a message including a parameter related to the control of the non-contact communication. The control unit (120) performs the non-contact communication with the external apparatus (200) on the basis of the parameter.

Abstract: For example, a Bluetooth (BT) device may be configured to identify metadata in broadcast messages received at the BT device from a plurality of BT audio source devices, wherein a broadcast message from a BT audio source device includes metadata indicating one or more attributes of audio data broadcasted by the BT audio source device; and select from the plurality of BT audio source devices one or more recommended BT audio source devices for a BT audio connection, the one or more recommended BT audio source devices selected from the plurality of BT audio source devices based on the metadata in the broadcast messages and based on a user profile corresponding to a user of the BT device, the user profile including personalized preference information corresponding to a preference of the user for selection of audio content.

Abstract: An acoustic wave device includes a silicon oxide film, a piezoelectric body, and an interdigital transducer electrode laminated on a support substrate made of silicon. Where a wave length that is determined by an electrode finger pitch of the interdigital transducer electrode is ?, a thickness of the support substrate is greater than or equal to about 3?. An acoustic velocity of the first higher mode that propagates through the piezoelectric body is an acoustic velocity VSi=(V1)1/2 of bulk waves that propagate in the support substrate, which is determined by V1 out of solutions V1, V2, and V3 of x derived from the mathematical expression Ax3+Bx2+Cx+D=0, or higher than VSi.

Abstract: A Bluetooth communication system includes: an inquirer-side Bluetooth device arranged to operably generate and transmit a Bluetooth inquiry request; and a requester-side Bluetooth device arranged to operably receive and parse the Bluetooth inquiry request, and to operably generate and transmit a Frequency Hop Synchronization (FHS) packet containing a requester-side Bluetooth address and an Extended Inquiry Response (EIR) packet containing an auto-pairing request to the inquirer-side Bluetooth device. The inquirer-side Bluetooth device conducts an auto-pairing procedure with the requester-side Bluetooth device according to the contents of FHS packet and the EIR packet, but at least one of the inquirer-side Bluetooth device and the requester-side Bluetooth device does not support Bluetooth Low Energy (BLE) technology.

Abstract: Example dielectric filters, transceiver devices, and base stations are described. One example dielectric filter includes a dielectric block whose surface is covered with a metal layer, where the dielectric block includes at least two resonant cavities. The dielectric block is provided with a via hole, the via hole is located between two adjacent resonant cavities, and an inner wall of the via hole is covered with a metal layer. A first partition ring is disposed on the surface of the dielectric block and is surrounding at least one opening of the via hole, and the dielectric block is exposed in an area enclosed by an inner edge of the first partition ring and an outer edge of the first partition ring.

Abstract: This specification describes an apparatus for controlling audio output. The apparatus provides first and a second audio components for output to first and second audio transducers of a wearable device, determine a proximity between the wearable device and a third audio transducer and determining a first or second state of the first and second audio transducers, and controlling output of at least one of the first and second audio components based on the determined proximity and the state of the first and second transducers. Responsive the proximity being under a threshold and the state of the first transducer being in a first state whilst the second transducer is in a second state, the apparatus causes output of the audio component associated with the second state transducer to be transferred to the third audio transducer whilst continuing to output the audio component associated with the first state transducer to said transducer.

Abstract: An electronic device establishes a first Bluetooth connection to a first wireless earbud, where there is a wireless connection between the first wireless earbud and a second wireless earbud. The electronic device establishes a second Bluetooth connection to the second wireless earbud by using the first wireless earbud. The electronic device simultaneously maintains the first Bluetooth connection and the second Bluetooth connection.

Abstract: A Bluetooth communication system is provided, which comprises a Bluetooth host device and a Bluetooth device set. The connections between the Bluetooth host device and the Bluetooth device set complies with the specification of Bluetooth Low Energy Audio technology. The Bluetooth device set comprises at least a first member device and a second member device. The first member device and the second member device may be configured in a first mode wherein uplink audio signal transmission is allowed, and the connections are carried out by isochronous streaming channels respectively. The first member device transmits captured voice data to the Bluetooth host device, while the second member device does not transmit. When an event is triggered, the first member device can notify the second member device through a third-part device, so that the first member device and the second member device can carry out subsequent voice input handover procedures.

Abstract: A communication device may supply a first public key and specific information to a first wireless interface, send a first authentication response to the first external device in a case where a first authentication request is received from the first external device after the first public key and the specific information have been sent to the first external device. The communication device may receive first connection information from the first external device after the first authentication response has been sent to the first external device, establish the second wireless connection in a case where the first connection information is received from the first external device, and establish the third wireless connection in a case where a specific signal including the specific information is received from the first external device after the first public key and the specific information have been sent to the first external device.

Abstract: A method and system for automatically coupling Bluetooth devices is disclosed. In some embodiments, the method includes identifying a plurality of Bluetooth devices within a predefined discoverable range of a computing device; identifying one or more current applications running on the computing device; determining a plurality of connection parameters associated with the computing device; assigning a confidence score to each of the plurality of Bluetooth devices based on a rule engine; iteratively generating a priority list by arranging the plurality of Bluetooth devices in an order of connection preference based on assigned confidence scores; coupling at least one Bluetooth device from the plurality of Bluetooth devices with the computing device based on the priority list generated iteratively.

Abstract: A network-enabled smart apparatus has a data processing system, at least one operational system, wide area and local network communication interfaces, and a memory. The memory has stored therein apparatus identification information, at least one service application, and an activation application. The activation application causes the data processing system to establish an internet connection and create an NFC-enabled web page. The data processing system transmits, to the user device instructions to navigate to the NFC-enabled web page and instructions for the user to tap an NFC-enabled smart card to the user device. The apparatus data processing system reads, via the NFC-enabled web page, NFC information transmitted to the user device by the smart transaction card. The application causes the apparatus to transmit the NFC information to a service administration server, and receive, from the service administration server, a service activation command.

Abstract: Embodiments are generally directed to systems, devices, methods, and techniques to control devices via a mobile device platform in a smart building system. Embodiments further include techniques to determine a device of the smart building system and an action to perform by the device. The techniques include establishing, a connection with a smart lock of the smart system, and communicating a request to perform the action to the smart lock of the smart system.

Abstract: A switch assembly for engaging a switch of an electronic device includes a rotatable knob having an axis of rotation, a pin mechanism engaged with the rotatable knob, and a slider body. The pin mechanism includes a pin, the pin being offset from the axis of rotation of the rotatable knob. The slider body is shaped to include a slot in which the pin of the pin mechanism is positioned and a switch recess shaped to receive and selectively contact the switch of the electronic device. Rotation of the rotatable knob in a first direction causes the slider body toward contact with a first portion of the switch to urge the switch into a first position, and rotation of the rotatable knob in a second direction causes the slider body toward contact with a second portion of the switch to urge the switch into a second position.

Abstract: One example discloses a first near-field device, including: a controller configured to establish a near-field communications link with a second near-field device; wherein the controller is configured to monitor a characteristic of the near-field communications link; wherein the controller is configured to define a near-field transmission window based on the monitored characteristic; and wherein the controller is configured to delay transmission of a set of near-field signals to the second near-field device if a current time is not within the near-field transmission window.

Abstract: The invention concerns an electronic device, which includes a memory for storing data, a processor for processing data, and an output device for showing machine-readable code containing the data for reading using a reader device. The electronic device includes a data-transmission interface for arranging a data-transmission link with one or more external devices, to which the electronic device is to be arranged to act as a user interface. The invention also relates to a data-transmission system including the electronic device and a server.

Abstract: A BLUETOOTH electronic tag is provided, including an upper cover and a substrate, a circuit board is disposed on the substrate, and an electronic tag control circuit is disposed on the circuit board; the electronic tag control circuit includes a power circuit, a power protection circuit, a main control circuit, a BLUETOOTH transmission circuit, an identification circuit, and an electronic tag circuit; the power circuit is configured to provide power to the main control circuit through the power protection circuit; the main control circuit is configured to control the identification circuit through the BLUETOOTH transmission circuit, and the identification circuit is configured to transmit identification information to the electronic tag circuit. The BLUETOOTH electronic tag has complete functions, a stable and unimpeded information transmission, a convenient usage, and a good practicability, which improves a work efficiency.

Abstract: The present invention provides a beamforming antenna (100, 200, 400) comprising a plurality of antenna elements (101, 102, 201, 202, 401, 402, 440), and a signal generator (103, 403) that is configured to generate for each one of the antenna elements (101, 102, 201, 202, 401, 402, 440) a calibration signal (106, 107, 206, 406, 335) for radiation by the respective antenna element (101, 102, 201, 202, 401, 402, 440) and to supply the generated calibration signals (106, 107, 206, 406, 335) to the respective antenna elements (101, 102, 201, 202, 401, 402, 440).

Abstract: A method comprising: establishing a wireless connection between a first medical device and a second medical device, comprising: receiving, by the first medical device, via a short-range wireless technology protocol, connection information related to the second medical device; and establishing, by the first medical device, a wireless connection with the second medical device based on the connection information.