US 5,868,100 · Granted 1999-02-09
Fenceless animal control system using GPS location information
A fenceless animal confinement system comprising portable units attached to the animal and including means for receiving GPS signals and for providing stimulation to the animal. The GPS signals are processed to provide location information which is compared to the desired boundary parameters. If the animal has moved outside the desired area, the stimulation means is activated. The signal processing circuitry may be included either within the portable unit or within a separate fixed station.
Patent details
- Publication number
- US 5,868,100
- Filing date
- 1997-06-30
- Grant date
- 1999-02-09
- Assignee
- Agritech Electronics L.C.
- Inventor(s)
- MARSH; ROBERT E.
- CPC class
- A01K29/00
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