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| Number | Title | Issue Date |
| 7176846 | Passive integrated transponder tag with unitary antenna core A passive integrated transponder (PIT) tag comprising an integrated circuit and a unitary core is described. The unitary core comprises a coil-forming portion proximate one end thereof and an integrated circuit support portion proximate an opposite end thereof. The ... | 02/13/2007 |
| 7015826 | Method and apparatus for sensing and transmitting a body characteristic of a host A passive transponder including an integrated sensor is disclosed. The transponder receives an interrogation signal from a scanner, and is operable to transmit identification information and body characteristic information to a scanner. The scanner is operable to re... | 03/21/2006 |
| 6947004 | Passive integrated transponder tag with unitary antenna core A passive integrated transponder (PIT) tag comprising an integrated circuit and a unitary core is described. The unitary core comprises a coil-forming portion proximate one end thereof and an integrated circuit support portion proximate an opposite end thereof. The ... | 09/20/2005 |
| 6847892 | System for localizing and sensing objects and providing alerts The present invention generally relates to systems, methods and applications utilizing the convergence of any combination of the following three technologies: wireless positioning or localization technology, wireless communications technology and sensor technology. ... | 01/25/2005 |
| 6833790 | Livestock chute scanner 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 decreas... | 12/21/2004 |
| 6720930 | Omnidirectional RFID antenna An omni-directional RFID antenna is provided for use with a remote interrogator/reader system used for identifying tagged animals. A pair of antenna coils are arranged in a crossing pattern that results in the creation of an omni or multi-directional electromagnetic... | 04/13/2004 |