Surgery – Truss – Pad
Patent
1978-04-20
1980-05-20
Kamm, William E.
Surgery
Truss
Pad
A61B 500
Patent
active
042034507
ABSTRACT:
An apparatus for warning a breeder that one of his animals is about to give birth has a harness which mounts an electrical resistance sweat detector and a transmitter responsive thereto on the neck of the expectant animal; detection of an increase in sweating which precedes parturition is accompanied by the transmission of a pulse coded radio signal which is picked up by a remote receiver tuned to respond just to that coded signal, and the receiver then activates a visual or audible warning to alert the breeder to the approach of parturition.
REFERENCES:
patent: 2812757 (1957-11-01), Lusk et al.
patent: 3572316 (1971-03-01), Vogelman et al.
patent: 3805796 (1974-04-01), Terry, Jr. et al.
patent: 3844273 (1974-10-01), Polson
patent: 4028687 (1977-06-01), Hamaguchi et al.
patent: 4055839 (1977-10-01), Skeggs
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