AN APPRATUS FOR TRANSMITTING WIRELESS FREQUENCY SIGNALS FOR COMMUNICATING WITH A WIRELESS TAG, A METHOD FOR TRANSMITTING IT AND AN APPRATUS FOR READING WIRELESS TAG COMPRISING IT

摘要

The embodiment of the present invention relates to a wireless frequency signal transmitter for communicating with a wireless tag, and the wireless frequency signal transmitter comprises a protocol processor for processing a protocol by receiving a digital signal in order to transmit the digital signal to the wireless tag; a digital signal processor capable of generating a sub-carrier for the processed signal; a modulation unit for modulating the generated sub-carrier into a first frequency; and a switch unit for selecting the transmission path of the modulated first frequency signal according to the selected operation mode. [Reference numerals] (101) First antenna;(102) Second antenna;(110) Signal processing unit;(200) Wireless tag reading unit