Radio frequency identifying system
An identification system, radio frequency technology, applied to record carriers, instruments, inductive record carriers, etc. used by machines, can solve the problems of unsupported service life, weak signal strength, short signal transmission distance, etc.
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[0030] The present invention integrates the components of the traditional independent identification controller (i.e. RFID tag) into the circuit elements of the portable electronic device, such as in the embedded controller or the south bridge chip of the notebook computer or personal digital assistant (PDA), This avoids peeling off or surface wear of traditional RFID tags, and allows some components to be shared to save costs.
[0031] figure 1 It is a schematic diagram showing the first preferred embodiment of the present invention, wherein the identification controller is a passive tag, which must rely on the power converted from the induction signal transmitted by the reader to be driven.
[0032] Such as figure 1 As shown, the RFID system 100 includes a reader 102 , a first antenna 104 , a second antenna 106 and an identification controller 108 . The first antenna 104 is electrically connected to the reader 102 , and the reader 102 is used to generate a control signal a...
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