Integrated electronic tag reader and wireless communication link

Details Integrated electronic tag reader and wireless communication link Integrated electronic tag reader and wireless communication link

1996-03-27

1998-12-15

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

340572, 235472, 705 28, 705 23, 705 22, 455 84, 455 82, H04Q 100

Patent

active

058501878

ABSTRACT:
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 receiver for detecting a return signal from an electronic tag and a signal processor for processing the return signal. A modulator within the portable unit combines the identification data with the radio frequency interrogation signal for transmission to a base unit through a wireless local area network. A demodulator within the portable unit extracts data and commands received from a base unit for local processing or transfer to a read/write electronic tag. In one embodiment, the portable electronic tag reader includes a user interface for initiating commands and a user display for displaying status information associated with the reading, downloading, or uploading processes.

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