|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||340/825.54 ; 340/572 ; 235/472 ; 705/028 ; 705/023 ; 705/022 ; 455/084 ; 455/082|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 383 인용 특허 : 26|
A method and apparatus for object identification which includes a portable electronic tag reader having a transceiver capable both of reading identification information from electronic tags and transmitting collected information to a base unit for remote analysis. The system of the present invention utilizes the same transceiver to receive information from the base unit and write data to read/write electronic tags. The system of the present invention includes a transceiver for generating a modulated or unmodulated radio frequency interrogation signal, a ...
[ What is claimed is:] [1.] An apparatus for reading data from an electronic tag comprising;an antenna;a source for generating a radio frequency interrogation signal;a transceiver for transmitting the radio frequency interrogation signal to the electronic tag through the antenna and for receiving a radio frequency signal returned from the electronic tag including encoded data;a signal processor for processing the radio frequency signal returned from the electronic tag and for decoding the encoded data received from the electronic tag;a modulator for comb...