ULTRASONIC SOUND DEVICE THAT PROJECTS

Brand Owner Address Description
SILENT SENTRY BIRD-X, INC. 845 N Larch Ave Suite 2 Elmhurst IL 60126 ultrasonic sound device that projects sound short distances used by homeowners to repel unwanted birds;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. A projector including an ultrasonic speaker that includes an ultrasonic transducer capable of oscillating an acoustic signal in a wide frequency band and reproduces signal sound in the audio frequency band, and a projector main body that includes a projecting optical system that projects a video image on a projecting surface. The ultrasonic speaker and the projector main body are integrated with each other.