×

Mobile handset accessory supporting touchless and occlusion-free user interaction

  • US 9,904,353 B2
  • Filed: 03/20/2013
  • Issued: 02/27/2018
  • Est. Priority Date: 03/26/2008
  • Status: Active Grant
First Claim
Patent Images

1. An accessory device for an electronic user device comprising a display screen, the accessory device comprising:

  • circuitry for sensing flow of breath exhaled by a user upon a first opening in an external first surface of the accessory device;

    circuitry for communicating with the user device to control a user interface on the display screen of the user device based on the flow of breath; and

    a housing that encloses the circuitry for sensing flow and the circuitry for communicating with the user device, the housing of the accessory device being separate from and external to an external housing of the user device enclosing the circuitry of the user device, the housing of the accessory device comprising a first passageway connecting the first opening to a second opening at a second surface of the accessory device opposite the first surface to enable flow of exhaled breath striking the first surface to the circuitry for sensing flow, wherein the housing of the accessory device is configured to expose the display screen for viewing by the user and comprises an elastic material configured to hold the external housing of the user device within the elastic material of the housing of the accessory device, using tension of the elastic material.

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