×

Messaging by writing an image into a spectrogram

  • US 9,406,305 B2
  • Filed: 12/20/2013
  • Issued: 08/02/2016
  • Est. Priority Date: 12/21/2012
  • Status: Active Grant
First Claim
Patent Images

1. A messaging method comprising:

  • providing an image;

    writing the image into a spectrogram of a host signal to produce a modified host signal; and

    transferring the modified host signal, in which a human readable message is conveyed by the image within the spectrogram;

    wherein providing an image comprises taking image-based message input from a user via a user input device, and producing a corresponding two dimensional image; and

    wherein the host signal comprises a host audio signal.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×