Lg Innotek Co., Ltd.

Nam Yun Kim

Yong Hee Lee

Young Bin Cho

Jae Yeon Choi

Belonozhkin Alexander

Sergeyev Sergey

Disclosed is a near field radio frequency communication system. The near field radio frequency communication system comprising: a master RFID/USN device which comprises a plurality of antennas to sequentially shower an energy signal through the antennas; and a slave RFID/USN device which generates a first power using the energy signal, detects a power level of the first power, and transmits information created based on the power level to the master RFID/USN device, wherein the master RFID/USN device creates a first position information of the slave RFID/USN device related to a direction by determining an antenna used to communicate with the slave RFID/USN device, and a second position information of the slave RFID/USN device related to a distance using the information created based on the power level.

Near field radio frequency communication system

A radio frequency receiver comprises a first signal coupler coupling and branching a radio frequency signal received from a tag or a reader, a voltage regulator receiving the coupled signal and outputting a voltage-regulated signal having a predetermined level, a signal converter mixing the radio frequency signal transmitted from the first signal coupler by using the voltage-regulated signal as an oscillation frequency signal and generating a baseband frequency signal, a signal processor processing the baseband frequency signal and extracting tag information, and a data transceiver transmitting the tag information through a wire and/or wireless network.

RF receiver and RFID/USN system having the same

Embodiments relate to a tag device, a reader device, and a radio frequency identification (RFID) system. The Q embodiment provides a tag device comprising: a reception module converting a received high frequency signal into a scale level, and Q converting the converted scale level into a digital signal to output the same; a transmission module modulating a transmission signal M to output the same; and a controller controlling the reception module and the transmission module. The tag device communicates with the reader device through wireless short distance communication.

Tag device, reader device, and RFID system

Provided are an RF reader and an RF system. The RF reader includes: a plurality of antennas; a path selector for selecting a transmit or receive path of an RF signal; an RF processor for processing the RF signal received through the transmit or receive path of the path selector; and a controller for controlling the path selector selecting a path.

RFID reader and RFID system

Disclosed are a sensor device and a sensor device control method. The sensor device comprises a reader for requesting a tag information and detecting an interference channel, and a short range wireless communication module for sharing a information of the interference channel through short range wireless communication, and reallocating channels to be used for the reader.

Sensor device, sensor network system, and sensor device control method

The embodiment provides a radio frequency sensor system comprising a radio frequency transmission terminal and a radio frequency reception terminal. The system comprises an oscillating circuit part for generating a plurality of frequency clocks, a signal coupler for coupling signals exiting on the radio frequency reception terminal, a signal detector for detecting change of the coupled signal according to movement of an object and generating a detection signal, and a controller for analyzing the detection signal and differentially employing the frequency clock according to the analysis result.

Growing community of inventors

Ansan-si, South Korea

Nam Yun Kim