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| Number | Title | Issue Date |
| 6371927 | Ingestible animal temperature sensor A system and ingestible boluses for monitoring physiological parameters of animals. The boluses include circuitry for storing a selectable identification code, for sensing a physiological parameter, and for transmitting a data burst signal which includes ... | 04/16/2002 |
| 6114957 | Pet locator system A system for locating movable objects and detecting the failure of the object to visit a designated area within a predetermined time, including a base unit, a transceiver attached to the movable object, and a locating device. The base unit includes a tran... | 09/05/2000 |
| 6099482 | Ingestible animal temperature sensor A system and ingestible boluses for monitoring physiological parameters of animals. The boluses include circuitry for storing a selectable identification code, for sensing a physiological parameter, and for transmitting a data burst signal which includes ... | 08/08/2000 |
| 6069844 | Acoustic annunciator for audio tracking collars An acoustic annunciator which includes resonating cavity, a piezoelectric element, and a folded horn which are each selected to have a different resonance frequency so as to expand the frequency range of the output of the annunciator. The folded horn incl... | 05/30/2000 |
| 6058889 | Combination confinement system and bark inhibitor A combined animal confinement and bark inhibitor system includes a confinement circuit which receives a confinement transmitter signal and outputs a confinement control signal, a sensor which detects the vibration of an animal's vocal cords and outputs a ... | 05/09/2000 |
| 5984875 | Ingestible animal temperature sensor A system and ingestible boluses for monitoring physiological parameters of animals. The boluses include circuitry for storing a selectable identification code, for sensing a physiological parameter, and for transmitting a data burst signal which includes ... | 11/16/1999 |
| 5934225 | Wire embedded collar with electronic component attachment A method and system for coupling electrical components to protective coated, wire embedded flexible members which utilizes electrical connectors that displace a portion of the protective coating when making contact with the underlying wires. The wire embe... | 08/10/1999 |
| 5923254 | Programmable animal collar A field programmable tracking device which includes a programmably channelized multichannel transmitter. The transmitter includes a magnetically operable circuit which allows external programmability of transmission channel selection. Activation of the ma... | 07/13/1999 |
| 5911198 | Animal stimulator A collar mounted animal control device which administers a stimulus to an animal. The control device includes at least one photovoltaic member that produces energy for the administered stimulus and an energy storage device that can be charged by the at le... | 06/15/1999 |
| 5886672 | Collapsible antenna An antenna which includes a rigid boom and a plurality flexible antenna elements attached to the boom. The antenna elements have curved cross-sections and are made from a material which allows them to resiliently bend upon contacting an object. The antenn... | 03/23/1999 |
| 5636597 | Animal separator system An animal separator system designed to encourage two or more animals to keep away from one another by an adjustable or a predetermined fixed distance and to encourage one or more animals to keep away from a person or object by an adjustable or a predeterm... | 06/10/1997 |
