Communications – electrical: acoustic wave systems and devices – Transmitter systems – Animal control
Patent
1996-02-23
1997-01-28
Lobo, Ian J.
Communications, electrical: acoustic wave systems and devices
Transmitter systems
Animal control
3403842, H04R 102
Patent
active
055983790
ABSTRACT:
An integrated system which provides an extension of the effective operational area of a single unit ultrasonic pest repeller is disclosed. A master unit produces selectable acoustic waveforms from a speaker and also produces selectable electronic output signals for delivery to a first satellite unit. The first satellite unit produces a similar acoustic repelling waveform and also replicates the master unit electronic output signal for delivery to an identical second satellite unit. Each subsequent satellite unit in a serial chain of satellite units is powered by its own wall plug-in transformer so that the chain may be as long as necessary to accomplish deterrence of roaches, insects including bees, and rodents from the entire area to be protected.
REFERENCES:
patent: 3636559 (1972-01-01), Del Grande et al.
patent: 4414653 (1983-11-01), Pettinger
patent: 4562561 (1985-12-01), Ackley
patent: 4616351 (1986-10-01), Hall
patent: 4999818 (1991-03-01), Malleolo
Coco Anthony J.
Lobo Ian J.
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