Patent ID: 11867794
Assignee: UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES
Field: Measurement (Instruments)
Classification: CPC G  A | IPC A  G

Claim 0:
1. An apparatus for monitoring bee hive activity comprising:
a Doppler radar front end comprising a microwave detector configured to generate a Doppler signal when a flying insect flies in proximity to the apparatus, wherein the microwave detector operates at a frequency in a range of from about 10.5 GHz to about 24 GHz;
an audio frequency amplifier in communication with the Doppler radar front end; and
a data acquisition unit configured to measure the root-mean-square (rms) value of the Doppler signals over a period of time;
wherein the audio frequency amplifier is configured to amplify the Doppler signal to a level detectable by the data acquisition unit.