Abstract:
Disclosed herein is a wireless charging system, including: a primary device that includes a power transmitter adapted to transmit power wirelessly; and a secondary device that includes a power receiver adapted to receive power transmitted wirelessly from the power transmitter, wherein the secondary device also includes a sensor adapted to detect any anomaly in the power transmission path between the power transmitter and receiver.
Abstract:
An integrated circuit, a non-contact IC card, a reader/writer, a wireless communications method, and a computer program are provided to improve communication. The integrated circuit configured to execute wireless communication by means of magnetic field. The integrated circuit has a resonance circuit having resonance frequencies of a plurality of levels, a confirmation block configured to confirm whether a predetermined condition is satisfied, and a switching block configured to change the resonance frequencies if the predetermined condition is found satisfied as a result of the confirmation.
Abstract:
A feed system has a first electronic unit, a second electronic unit, and a feed unit. The first electronic unit and the feed unit are separated. The feed unit transmits power to a power reception section of the second electronic unit based upon result information of a first authentication between the first electronic unit and the second electronic unit. The feed unit performs a second authentication on the second electronic unit in conjunction with power transmission.
Abstract:
An integrated circuit, a non-contact IC card, a reader/writer, a wireless communications method, and a computer program are provided to improve communication. The integrated circuit configured to execute wireless communication by means of magnetic field. The integrated circuit has a resonance circuit having resonance frequencies of a plurality of levels, a confirmation block configured to confirm whether a predetermined condition is satisfied, and a switching block configured to change the resonance frequencies if the predetermined condition is found satisfied as a result of the confirmation.
Abstract:
A receiver for receiving a digital audio broadcast by which digital audio data and incidental control data are sent out includes a reception circuit for receiving the digital audio broadcast, a decoder circuit for extracting the digital audio data and the control data from a signal received by the reception circuit, a D/A converter for performing D/A conversion of the thus extracted digital audio data into an analog audio signal and outputting the analog audio signal, a controller for controlling a characteristic of the analog audio signal in accordance with the extracted control data, and a memory into which the one of the digital audio data and the control data which had been extracted at an earlier time by the decoder circuit is written. The controller successively varies a write address for the memory in a sampling period of the digital audio data while it successively reads out the data written in the memory with a read address having a predetermined address difference from the write address and uses the data thus read out to execute control of the characteristic of the analog audio signal with the extracted control data to correct the time difference between the digital audio data and the control data.
Abstract:
A digital audio receiver provides an audio signal line of the receiver with a DRS circuit for compressing a dynamic range of audio signals passing through the audio signal line; and the DRS circuit, provides a control section for controlling gains for said audio signals in accordance with dynamic range control (DRC) data sent from broadcasting stations, thus enabling dynamic range control functions without circuit complication.
Abstract:
A feed system includes a plurality of electronic devices; and a feed apparatus having a power transmission section performing electric power transmission using a magnetic field to the plurality of electronic devices. Each of the electronic devices includes a power receiving section receiving electric power transmitted from the power transmission section, and a switching section switching whether or not to carry out charging operation based on the electric power received by the power receiving section, according to time sharing control by a system control section.
Abstract:
Disclosed herein is a power feeding device including: power transmitting section which transmits electric power by way of a magnetic field; a set of first and second electrodes which are spaced from each other; a power supply which applies a voltage between the first and second electrodes; and a detector which detects whether foreign matter is present on the power transmitting section or not based on the voltage applied by the power supply.
Abstract:
A feed system has a first electronic unit, a second electronic unit, and a feed unit. The first electronic unit and the feed unit are separated. The feed unit transmits power to a power reception section of the second electronic unit based upon result information of a first authentication between the first electronic unit and the second electronic unit. The feed unit performs a second authentication on the second electronic unit in conjunction with power transmission.
Abstract:
Disclosed herein is a power relaying apparatus provided between: a power supplying apparatus including a power supplying resonance device and a power supplying power supply section for supplying an AC current to the power supplying resonance device; and a power receiving apparatus having a power receiving resonance device for receiving a power from the power supplying apparatus by adoption of a resonance method, the power relaying apparatus including a power relaying resonance device resonating between the power supplying resonance device and the power receiving resonance device, wherein the power relaying resonance device is fixed at a predetermined position by making use of an insulation member.