×

System, method and apparatus for communicating with vehicle occupants

  • US 8,401,477 B2
  • Filed: 05/11/2012
  • Issued: 03/19/2013
  • Est. Priority Date: 08/15/2008
  • Status: Active Grant
First Claim
Patent Images

1. A vehicle communication apparatus comprising:

  • a radio frequency transmitter, the radio frequency transmitter modulates a first audio signal onto a radio frequency signal;

    a light source, the light source emits light in a direction towards a window of a vehicle;

    a detector positioned to receive at least part of the light that is reflected from the window of the vehicle,the detector converting the at least part of the light that is reflected from the window of the vehicle into an electrical signal;

    an audio detector operatively coupled to the detector receives the electrical signal, the audio detector extracts a second audio signal from the electrical signal; and

    an audio output device, the audio output device receives the second audio signal from the audio detector and reproduces the second audio signal to be audible.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×