| 摘要 |
Power saving apparatus for at least one tag transponder (101) in active radio frequency identification apparatus, which power saving apparatus comprises: (i) at least one tag transponder which is powered by a battery (114); (ii) a transceiver (110) which is able to transmit and receive data from a Low Rate Wireless Personal Area Network; (iii) first electronic control means for detecting the presence of the tag transponder within an operating area of the active radio frequency identification apparatus (116, 118 - in communication or not in communication); (iv) second electronic control means for varying the rate of transmission of the tag transponder (101) within the operating area of the active radio frequency identification apparatus (116, 118 - in communication or not in communication); and (v) third electronic control means for setting the tag transponder into a state of minimum electrical power consumption from the battery for a period of time. |
