Apparatus for detecting when birds are in a birdhouse

Animal husbandry – Bed or rest

Patent

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Details

340565, 340573, 119163, A01K 3114

Patent

active

054839220

ABSTRACT:
Apparatus for detecting when birds are in a birdhouse with a heat sensor and illuminating a lamp to give a visual indication of the presence of the bird. A second portion of the circuit gives a visual indication when the bird enters or leaves the birdhouse.

REFERENCES:
patent: 3734057 (1973-05-01), Lee et al.
patent: 3811410 (1974-05-01), Roberts
patent: 4729342 (1988-03-01), Loctin
patent: 5168830 (1992-12-01), Deglis

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