US 6,329,920 · Granted 2001-12-11
Apparatus and method for reading radio frequency identification transponders used for livestock identification and data collection
A portable, durable, easy-to-use, safety-oriented, long-life apparatus for reading radio frequency identification transponders is described. This apparatus is well-suited for use in connection with livestock data collection and management. The preferred embodiment includes a single wound radio frequency identification antenna coil; a radio frequency transmitter; a power control, system timing and driver including a low battery indicator, and an optical switch; a rechargeable battery; a main power switch; an infrared activation switch; a radio frequency link antenna, a receiver analog section, a micro controller, an exciter drive and a read switch; and audio feedback to confirm receipt of data.
Patent details
- Publication number
- US 6,329,920
- Filing date
- 2000-01-21
- Grant date
- 2001-12-11
- Assignee
- Aginfolink Holdings Inc.
- Inventor(s)
- MORRISON MATTHEW J., CURKENDALL LELAND D.
- CPC class
- A01K11/007
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