Patent Number: 6,166,996

Title: Ultrasonic broadband frequency transducer pest repulsion system

Abstract: An ultrasonic broadband frequency transducer pest repulsion system comprises: a variable frequency generator; at least one ultrasonic frequency amplifier coupled to the variable frequency generator; and a transducer unit coupled to the ultrasonic frequency amplifier. The transducer unit comprises: a first transducer tuned at a first frequency located between a lower frequency and an upper frequency; a second transducer tuned at a second frequency located between the first frequency and the upper frequency, and a third transducer tuned at a third frequency located between the second frequency and the upper frequency.

Inventors: Grissom; Donald E. (Phoenix, AZ), Chipley; Earl E. (Scottsdale, AZ)

Assignee: The No Mas Group, Inc.

International Classification: A01M 29/02 (20060101); A01M 29/00 (20060101); B06B 1/02 (20060101); B06B 1/06 (20060101); H04B 11/00 (20060101); H04B 001/02 ()

Expiration Date: 12/26/2017