Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
William D. Duncan0
Jordin T. Kare0
Lowell L. Wood, Jr.0
Muriel Y. Ishikawa0
Roderick A. Hyde0
Thomas A. Weaver0
Date of Patent
October 3, 2017
0Patent Application Number
136864440
Date Filed
November 27, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A system for directing a bird away from equipment includes an emitter configured to transmit a beam of audio-modulated ultrasonic sound. The beam of audio-modulated ultrasonic sound is configured to frequency down-convert in the atmosphere to produce a specified audible sound for a bird at a selected distance away from the emitter.
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