| 摘要 |
<p>An identification system comprising an intermittent electromagnetic generator at one frequency and a remote receiver for receiving the electromagnetic energy and using it to power an encoder of digital information and a transmitter at a different frequency for transmitting the encoder digital information and a receiver remote from said transmitter for decoding and comparing the decoded digital data with stored data to initiate commands for functions such as feeding, ration dispensing, and the like in response to the predetermined comparison criteria of decoded data and such stored data.</p> |
