Temperature-sensing system for cattle

Details Temperature-sensing system for cattle Temperature-sensing system for cattle

1987-03-09

1989-09-12

Cohen, Lee S.

Surgery

Truss

Pad

128903, 340573, 34087017, A61B 500

Patent

active

048650447

ABSTRACT:
Disclosed is a device for detecting temperatures which differ from a variable norm of particular use in detecting elevated temperatures in cattle. The device, one being attached to each animal, includes a square wave generator, an identification number encoder for outputting the identification number of the particular animal in the herd, a fever detector with an ambient temperature compensating circuit which provides output only when internal temperature of the animal is above a preset value for a given ambient temperature, and a transmitter which sends the identification code to a receiver. In certain embodiments, no separate fever detector is provided; rather the square wave generator outputs a frequency-modulated signal related to the internal body temperature.
Of particular interest is the identification number encoder which intermittently outputs a preset hardwired identification code to the transmitter at periodic intervals for transmission to a receiver either at constant intervals or when temperatures sensed by a temperature detector exceed the variable norm by a preset given amount.

REFERENCES:
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Botsch et al, "Current Methods of Temperature Telemetry . . . ", Biology & Medicine, vol. 3, pp. 21-29, 1963.
Decker et al, "Completely Implantable . . . System", Proceedings . . . Rocky Mt. Eng. Symp, vol. 9, May 1972, pp. 133-137.
Kingma et al, "Wireless Fever Alarm Device", Med & Biol. Eng. & Comput., 1979, 17, 550-552.
Pauley et al., "A Microminiature Hybrid . . . System", Biochemistry Patient Monitg 8: No. 3, 83-172 (1981).

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