Patent ID: 7269452
Filing Date: 2007-09-11
Classification: H04H,H04M,H04R,H04S

Abstract:
1. A wireless communication system for a being, comprising: a directional speaker attachable to a piece of clothing worn by the being; a microphone; and a base unit coupled to both the speaker and the microphone to allow the being to use the system to communicate wirelessly with another communication device, wherein signals emitted from the speaker can be directed towards at least one ear of the being from the worn position of the speaker, wherein the directional speaker generates ultrasonic signals, which are transformed into audio signals, wherein the directional speaker is configured to be attached to a portion of the piece of clothing, and to be intentionally spaced apart from the ears of the being, so that at least a portion of the ultrasonic signals is transformed into the audio signals via at least a portion of the medium in the space between the directional speaker and at least one of the ears of the being, and wherein the signals are directional to allow communication with enhanced privacy.