Abstract: In various embodiments, the disclosed systems, methods, and apparatuses describe extended spectrum amplifiers. In particular, a method is described including: receiving, at an input port, a radio frequency (RF) signal on a frequency band; separating, using a demultiplexer coupled to the input port, the RF signal into four signal on four respective lines, the four signals having different frequency bands; combining, using a multiplexer coupled to the demultiplexer by the four lines, the four signals into an amplified RF signal; and amplifying, using an amplifier on each of the four lines, the respective four signals.

Abstract: A multi-layer phase shift driving device for an electrically regulated antenna includes multiple control boards that are spaced apart from each other, each of which is arranged with respective phase shift driving mechanisms for driving brushes of the electrically regulated antenna, and arranged with a plurality of holes through which rods pass, wherein each control board is provided with at least one of said rods fixed thereto to serve as fixing rods of the control board and serve as guiding rods of the other control boards of the multiple control boards, such that the multiple control boards can be driven independently of each other.

Abstract: A method is provided for automatically pairing a user device to an audio output device. A user device generates an identifier and transmits an audio version of the identifier over a Bluetooth profile capable of transmitting audio to an audio output device. The audio output device generates a data version of the received identifier and transmits the data version of the identifier of a different link. The application running on the user device receives the data version of the identifier and automatically pairs with the audio output device.

Abstract: An information processing apparatus includes an acquisition unit that acquires first communication information for connecting with an apparatus via a first network and second communication information for connecting with the apparatus via a second network, a determination unit that determines whether communication between an information processing apparatus and the apparatus via the first network based on the first communication information is possible, a connection unit that connects the information processing apparatus with the apparatus via the second network based on the second communication information when the communication via the first network is impossible, and a request unit that transmits a processing request to the apparatus via the first network when the communication via the first network is possible, and transmits the processing request to the apparatus via the second network when the information processing apparatus is connected with the apparatus via the second network.

Abstract: Front end systems with switched termination for enhanced intermodulation distortion performance are provided herein. The switched termination can be used on transmit paths and/or receive paths of the front end system to suppress impedance variation when the signal paths are inactive. For example, with respect to switched termination for transmit paths, a front end system can include a frequency multiplexing circuit connected to a band switch by a first radio frequency (RF) signal path and by a second RF signal path. The band switch selectively provides the frequency multiplexing circuit with a first transmit signal over the first RF signal path and with a second transmit signal over the second RF signal path. The front end system further includes a switched termination circuit in shunt with the first RF signal path and operable to turn on to suppress impedance variation when the first RF signal path is inactive.

Abstract: A wireless receiving device is provided. The wireless receiving device includes a first passive mixer and a common gate amplifier. The first passive mixer receives an oscillation signal. The common gate amplifier is coupled to the first passive mixer, and automatically adjusts the input impedance of the common gate amplifier according to the oscillation frequency of the oscillation signal.

Abstract: High-frequency amplifier circuitry includes first amplifier circuitry, second amplifier circuitry, and noise figure improving circuitry. The first amplifier circuitry includes a first transistor and a grounded-gate third transistor. The first transistor has a source grounded via a first source inductor and a gate to which an input signal is applied. The third transistor is configured to output from a drain a signal obtained by amplifying a signal outputted from a drain of the first transistor. The second amplifier circuitry includes a same circuit constant as a circuit constant of the first amplifier circuitry and includes a second transistor and a grounded-gate fourth transistor. The noise figure improving circuitry connects the source of the first transistor and the source of the second transistor to each other.

Abstract: An apparatus to control an external device includes a connector to electrically connect with the external device, a connection detector to determine whether the external device is electrically connected to the connector, and a controller to obtain level information corresponding to the external device from the connector, to determine a type of the external device based on the level information, and to control execution of a function of the apparatus based on the determined type, wherein the level information is different according to the type of the external device.

Abstract: A Bluetooth pairing method includes: performing, by a terminal device, encryption computation on a first Bluetooth parameter to generate first pairing information; sending, by the terminal device, the first pairing information to a peer device; and when the terminal device determines that the first Bluetooth parameter is the same as a second Bluetooth parameter, and the peer device determines that the first Bluetooth parameter is the same as the second Bluetooth parameter, determining, by the terminal device, that Bluetooth pairing between the terminal device and the peer device is successful.

Abstract: A non-transitory computer-readable medium having a computer program readable by a computer of a portable device connectable to an image input device and image output device and including a memory storing external programs activated by the computer program, the computer program causes the portable device to perform: receiving a user operation on a first screen including first objects corresponding to the external programs; determining the designated program when the first object is designated; when the designated program has a first function of executing processing for the input data, instructing the image input device to execute an input operation and performing first post-processing; and when the designated program has the second function of enabling a user to designate the output data, performing pre-processing and controlling the image output device to execute output operation for the output data.

Abstract: A frequency drift compensation system for a radio receiver includes a pilot signal generator that is configured to generate two pilot signals, a local oscillator that is configured to generate a local oscillator frequency signal, a first mixer that generates a first offset pilot signal, a second mixer that generates a second offset pilot signal, and a summer that is configured to add the first offset pilot signal and the second offset pilot signal to the intermediate frequency signal to obtain a composite signal. The frequency drift compensation system includes a processor that is configured to detect frequency drift in the offset pilot signal responsive to the composite signal and to generate a frequency drift control signal to compensate for the frequency drift. Related radio receivers, GPS receivers, and methods are described.

Abstract: A beacon communication system for improving the ability to trigger beacon receiver devices is disclosed. The beacon communication system (100; 100?; 100?) comprises a short-range wireless beacon transmitter device (110; A1; BTD) and a short-range wireless beacon receiver device (120; P1; MD1). The short-range wireless beacon transmitter device (110; A1; BTD) is configured to repeatedly transmit a short-range wireless beacon advertisement signal (112; BA) on a first beacon broadcast channel (114), the first beacon broadcast channel being defined by a predefined unique identity (PUID) included in the short-range wireless beacon advertisement signal, the predefined unique identity remaining fixed between subsequent transmissions of the short-range wireless beacon advertisement signal (112; BA).

Abstract: An electronic device comprises: a first cover constituting the front surface of the electronic device; a second cover constituting the rear surface of the electronic device; a memory included in a space formed between the first cover and the second cover; a processor included in the space and electrically connected with the memory; a first antenna and a second antenna included in the space and electrically connected with the processor; and a switch included in the space and connected to the first antenna and/or the second antenna, wherein the memory can include, during execution, instructions for: allowing the first antenna and the second antenna to be connected by shorting the switch when the processor executes a function corresponding to the first antenna; and allowing the first antenna and the second antenna to transmit magnetic field signals together. Other examples are also possible.

Abstract: A communication device including: a transmitter for providing a first radio frequency (RF) signal to a first antenna; a second antenna for receiving the first RF signal from the first antenna to produce a second RF signal; a receiver for receiving the second RF signal from the second antenna, wherein the receiver generates a feedback signal from the second RF signal; and a controller configured to control pre-distortion based on the feedback signal.

Abstract: A method for controlling an electrical load by means of pulse width modulation, (PWM) includes specifying a setpoint switching frequency fsetpoint and a setpoint duty ratio dsetpoint and determining the carrier frequency fch of a radio transmitter. The actual switching frequency fsw of the PWM is adapted to the carrier frequency fch of the radio transmitter in such a way that a multiple k*fsw of the actual switching frequency fsw is equal to the carrier frequency fch with an integer factor k. The actual switching frequency fsw is set to the value closest to the setpoint switching frequency fsetpoint for which the amplitude of the harmonics k*fsw in the harmonic spectrum of the actual switching frequency fsw is smaller than the amplitudes of their closest lower (k?1)*fsw and upper (k+1)*fsw adjacent harmonics.

Abstract: A hearing assistance device includes a housing component (12) hosting a transceiver (68) and processing circuitry arranged in a compact block structure (50). A small feed loop (40) is mounted on the compact block structure (50), and is electrically connected to the transceiver (68). The compact block structure (50) is adapted for carrying the small feed loop (40), and the housing component (12) includes an integrated antenna element (30, 80). The housing component (12) and the compact block structure (50) are provided with a set of cooperating mechanical guiding components for maintaining the small feed loop (40) and the antenna element (30, 80) in a well-defined mechanical connection.

Abstract: A communication device may include a first type of interface and a second type of interface. The communication device may execute the communication of object data with a mobile device using the second type of interface after executing a specific process for causing the communication device to shift to a communication-enabled state, in a case where it is determined that the communication device is not currently in the communication-enabled state. Also, the communication device may execute the communication of the object data with the mobile device using the second type of interface without executing the specific process, in a case where it is determined that the communication device is currently in the communication-enabled state.

Abstract: This multifrequency device (10) is configured to be connected via at least two conductors (121, 122) to an electricity supply grid (11). This device comprises: at least one radiofrequency module (13) comprising at least one first and one second input/output port (131, 132), which ports are able to emit and/or receive radiofrequency signals at two different frequencies; and at least two matching circuits (14, 15) that are configured to block the propagation of radiofrequency signals propagating over the conductors, each matching circuit comprising a plurality of terminals. One terminal (141, 151) of each matching circuit is connected to the first conductor or to the second conductor. One terminal (142, 151) of each matching circuit is connected to the first input/output port or to the second input/output port of the radiofrequency module.

Abstract: A method for fabricating a radio-frequency device involves providing a semiconductor wafer including a transistor device, applying a form of sacrificial material on the semiconductor wafer, applying an interface material over the form of sacrificial material, and removing at least a portion of the form of sacrificial material to form a cavity at least partially covered by the interface material.

Abstract: A method for fabricating a semiconductor die involves providing a semiconductor substrate, forming a plurality of active devices and a plurality of passive devices over the semiconductor substrate, forming one or more electrical connections to the plurality of active devices and the plurality of passive devices, forming one or more dielectric layers over at least a portion of the electrical connections, applying an interface material over at least a portion of the one or more dielectric layers, removing portions of the interface material to form a plurality of trenches, and covering at least a portion of the interface material and the plurality of trenches with a substrate layer to form a plurality of radio-frequency isolation cavities.