Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1981-02-20
1983-08-16
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
119 29, G08B 2100
Patent
active
043994326
ABSTRACT:
An audio signal device is used as an aid in locating a hunting dog and providing audio information as to whether the dog is moving, or is stationary. The signal device has an audio signal generator or beeper unit connected to electronic circuitry, an on-off switch, and a battery. The electronic circuitry has mercury switches responsive to movement of the dog to supply the signal generator with power so as to produce a first output sound. The electronic circuitry functions to energize the signal generator to produce different audio signals when the dog is moving, or is stationary. When the dog stops moving, the electronic circuitry withholds electric power from the signal generator for a limited period of time to allow the dog to locate the handler or receive instructions. Thereafter, with the dog stationary, the signal generator is energized to produce a second output sound that is different from the first output sound.
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