Livestock chute scanner
US6833790B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2002 |
| Grant date | Dec 21, 2004 |
| Priority date | — |
| Expiry date | Dec 26, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/0613
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus are provided to identify objects, including livestock. In one embodiment, a device is presented that includes a reflector shield mounted proximate the interrogator that is mounted on or near a livestock chute gate. The reflector shield decreases the amount of the inductive field absorbed by the livestock chute gate, thereby allowing transponders attached to livestock to be read. In a separate embodiment, multiple windings are used to form an interrogator with greater excitation and receiver capability due to the orientation of the wire windings. The multiple-winding interrogators may be used with or without the reflector shield. In yet a separate embodiment, a method is presented to utilize the device of the present invention to identify livestock moving through a livestock chute.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.