Abstract: A near field communication (NFC) device includes a resonance unit and an NFC chip. The resonance unit emits an electromagnetic wave to communicate data with an external NFC card in a reader mode. The NFC chip estimates a distance between the resonance unit and the external NFC card based on an antenna voltage generated by the resonance unit while the resonance unit emits the electromagnetic wave, and adjusts a magnitude of the electromagnetic wave based on the estimated distance.

Abstract: A yaw control-by-rudder type tidal stream power generation apparatus includes: a nacelle used in a tidal stream power generator that converts flowing energy of a tidal stream to generate electric power, and located in the tidal stream to be rotatable about a first rotating shaft; a rotor provided at one side of the nacelle with reference to the first rotating shaft, and configured to be rotated by the flowing energy of the tidal stream; a rudder unit provided at the other side of the nacelle with reference to the first rotating shaft, and including a rudder fixed to the nacelle and a variable rudder rotatably connected to the nacelle; and a control unit configured to control the rotation of the variable rudder. When the flow direction of the tidal stream is changed, the rotation of the variable rudder is controlled by the control unit.

Abstract: A nonvolatile memory includes a plurality of memory sets, wherein each of the memory sets includes a first memory cell suitable for storing a validity signal indicating data validity of the corresponding memory set, and second memory cells suitable for storing multi-bit data or one or more-bit defect information.

Abstract: A transmitter of a NFC device includes a current detector which detects a first current flowing in an output node of a regulator and outputs a current detection signal related to a result of the detection, and a control block which compares the current detection signal with a reference current and generates a control signal for controlling a voltage of the output node according to a result of the comparison.

Abstract: The near field communication (NFC) circuit includes an NFC reader circuit configured to communicate with an outside through an antenna, a resonant and matching circuit connected between the NFC reader circuit and the antenna, an NFC card circuit connected to nodes and configured to communicate with the outside through the antenna, and a processor configured to output a plurality of control signals when the NFC reader circuit is enabled, wherein the NFC card circuit is configured to control a resonant frequency of the antenna in response to the plurality of control signals.

Abstract: A fuse array circuit includes a power generation block suitable for generating a driving power to be level-shifted at least once in a read operation period, a word line driving block suitable for driving a word line by using the driving power, and a fuse array suitable for outputting information programmed in a fuse that is activated by the driven word line through a bit line.

Abstract: A semiconductor device includes a boot-up signal generator suitable for generating a boot-up signal based on an external reset signal and a specific mode signal; and an internal circuit suitable for performing a boot-up operation based on the boot-up signals

Abstract: A one-time programmable memory includes a first cell array including a plurality of one-time programmable memory cells, and a second cell array including a plurality of one-time programmable memory cells, wherein the first cell array and the second cell array are programmed separately during a program operation, and read in combination during a read operation.

Abstract: A reconfigurable antenna system is described which combines active and passive components used to impedance match, alter the frequency response, and change the radiation pattern of an antenna. Re-use of components such as switches and tunable capacitors make the circuit topologies more space and cost effective, while reducing complexity of the control signaling required. Antenna structures with single and multiple feed and/or ground connections are described and active circuit topologies are shown for these configurations. A processor and algorithm can reside with the antenna circuitry, or the algorithm to control antenna optimization can be implemented in a processor in the host device.

Abstract: A radio frequency (RF) transmission circuit includes an antenna connection terminal, a plurality of amplifiers connected to the antenna connection terminal in parallel, a plurality of drivers for driving the plurality of amplifiers, and a control circuit configured to control operation of the plurality of drivers based on information indicating a characteristic of a RF signal to be transmitted through the antenna connection terminal.

Abstract: A one-time programmable memory includes a first cell array including a plurality of one-time programmable memory cells, and a second cell array including a plurality of one-time programmable memory cells, wherein the first cell array and the second cell array are programmed separately during a program operation, and read in combination during a read operation.

Abstract: A yaw control-by-rudder type tidal stream power generation apparatus includes: a nacelle used in a tidal stream power generator that converts flowing energy of a tidal stream to generate electric power, and located in the tidal stream to be rotatable about a first rotating shaft; a rotor provided at one side of the nacelle with reference to the first rotating shaft, and configured to be rotated by the flowing energy of the tidal stream; a rudder unit provided at the other side of the nacelle with reference to the first rotating shaft, and including a rudder fixed to the nacelle and a variable rudder rotatably connected to the nacelle; and a control unit configured to control the rotation of the variable rudder. When the flow direction of the tidal stream is changed, the rotation of the variable rudder is controlled by the control unit.

Abstract: A detection device is provided. The detection device includes a transmitter and a detector. The transmitter supplies an induced current to an antenna and to adjust a strength of an induced voltage generated in the antenna by adjusting the induced current. The detector monitors the strength of the induced voltage of the antenna and generates a control signal for controlling the induced current to the antenna based on the monitored strength of the induced voltage of the antenna.

Abstract: A wireless communication device includes an antenna, a transceiver, a filter circuit and an attenuation circuit. The transceiver includes a transmission electrode and a receive electrode, and communicates with an external device through the antenna. The filter circuit is coupled between the transmission electrode and the antenna, and includes a harmonic trap circuit that eliminates a harmonic element of a carrier frequency of an outgoing signal provided from the transceiver through the transmission electrode. The attenuation circuit is coupled between the receive electrode and the antenna, and provides an incoming signal received through the antenna to the receive electrode after reducing a voltage of the incoming signal.

Abstract: An electronic device protecting privacy is provided. The electronic device includes a communication module configured to perform wireless communication, and a control module configured to select one of an active scan and a passive scan by controlling the communication module.

Abstract: Provided is a semiconductor system and method for repairing the same that may improve repair capacity of the semiconductor system. The semiconductor system comprises a semiconductor circuit configured to output a remaining repair information and perform a repair operation in response to an external command, and a host configured to determine a number of available repairs based on the remaining repair information and provide the semiconductor circuit with the external command based on the number of available repairs.

Abstract: The present disclosure relates to an electronic apparatus for determining a relay apparatus and a method thereof. An electronic apparatus according to various embodiments includes a communication unit that transmits and receives data. The electronic apparatus also includes a controller that determines whether disconnection between an electronic apparatus operating as a relay apparatus and at least one client apparatus is expected. The control also, if the disconnection is expected, informs the at least one client apparatus of the expected disconnection. The control also determines whether a status of the electronic apparatus satisfies a condition for a change to a new relay apparatus and informs the at least one client apparatus that the electronic apparatus no longer operates as the relay apparatus if the condition for a change to a new relay apparatus is satisfied. The control also determines any one of the at least one client apparatus as the new relay apparatus.

Abstract: A transmitter of a NFC device includes a current detector which detects a first current flowing in an output node of a regulator and outputs a current detection signal related to a result of the detection, and a control block which compares the current detection signal with a reference current and generates a control signal for controlling a voltage of the output node according to a result of the comparison.

Abstract: A communication terminal and a driving method thereof are provided. The driving method of a communication terminal includes: forming a transmitting path and an absorption path by controlling a time division duplex (TDD) switch in a transmitting mode to isolate the transmitting path and the receiving path from an absorption path, the transmitting path transmitting a transmitting signal in a wireless scheme, and the absorption path diverged from the transmitting path through a circulator of the TDD switch to block a reflecting signal in the transmitting signal reversely transferred to the transmitting path; processing the transmitting signal through the transmitting path. Because a TDD switch has an isolation function, insertion loss in a transmitting path may be suppressed.

Abstract: A near field communication (NFC) device includes a resonance unit and an NFC chip. The resonance unit emits an electromagnetic wave to communicate data with an external NFC card in a reader mode. The NFC chip estimates a distance between the resonance unit and the external NFC card based on an antenna voltage generated by the resonance unit while the resonance unit emits the electromagnetic wave, and adjusts a magnitude of the electromagnetic wave based on the estimated distance.