A use of radio frequency identification technology reference positioning system, comprising: a plurality of RFID reference tags, fixed to the coverage of the system within the fixture; plurality of RFID tag object, disposed on the object positioned want; plurality of mobile RFID reader, set on a mob.....
[Detail]
Step-up transformer and the piezoelectric ceramic preparation methods, using the input and output terminals a series arrangement of the mechanical resonance of the piezoelectric ceramics in the boost output terminal and to obtain a high electric power conversion efficiency. Co-fired with integrated .....
[Detail]
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