Identification device and identification system
AssigneeSato Vicinity Pty Ltd
InventorsGraham Alexander Munro MURDOCH, Stuart Colin Littlechild
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Abstract
A preferred embodiment of the invention includes: an identification device (1) for receiving a first signal and transmitting a second signal, the device including: a receiving means (35) for receiving the first signal to generate a voltage; an integrated circuit (37) having a state selection means (41) for selecting whether the device (1) is in a first state or a second state; a connection (39) between the receiving means (35) and the integrated circuit (37); a transmission means (45) for generating the second signal. The invention also includes a system (50) that includes an interrogator (43) for interrogating a plurality of the identification devices (1).
Claims21
1-60. (canceled)
An identification device comprising:
- a receiving means for receiving a first signal and employing the first signal to generate a voltage adapted to power the identification device;
- the receiving means comprising an inductance and substantially zero-tuning capacitance;
- a transmission means for generating a second signal;
- a state selection means adapted to select whether the identification device is in a first state or a second state;
- and
- wherein the identification device is a radio frequency identification device (RFID).
Dependencies are inferred from the claim text.