Protective Display Surface
A smart phone protective cover with an integrated waveguide array is disclosed. In a particular embodiment, the cover includes a portion adapted to contain a waveguide array designed to allow communications between the smart phone and a user. The invention may be implemented to facilitate cursor, display and/or navigation control relative to the smart phone.
1 . A smart phone protective cover, comprising a waveguide array positioned to be located between a communications area of a smart phone and a user when the user is communicating with the communications area.
2 . The smart phone cover of claim 1 , wherein the communications area is a sensor on the smart phone, and the waveguide array is positioned to require communications between the user and the sensor to pass through the waveguide array.
3 . The smart phone cover of claim 1 , wherein the communications area is a display on the smart phone, and the waveguide array is positioned to require light from the display to pass through the waveguide array.
4 . The smart phone cover of claim 1 , wherein the waveguide array is an ultrasonic waveguide array.
5 . The smart phone cover of claim 1 , wherein the waveguide array is an optical waveguide array.
6 . The smart phone cover of claim 1 , wherein the waveguide array is a micro-channel waveguide array.
7 . The smart phone cover of claim 1 , wherein the waveguide array is a radio frequency waveguide array.
8 . The smart phone cover of claim 1 , wherein the waveguide array is an infrared waveguide array.
9 . The smart phone cover of claim 1 , wherein the sensor is an ultrasonic receiver array, and the waveguide array is an ultrasonic waveguide array.
10 . The smart phone cover of claim 1 , wherein the sensor is an optical receiver array, and the waveguide array is an optical waveguide array.
11 . The smart phone cover of claim 10 , wherein the optical sensor receiver array operates in the infrared region, and the optical waveguide array conducts infrared light.
12 . The smart phone cover of claim 1 , wherein the sensor is a capacitance array, and the waveguide array is a micro-channel waveguide array.
13 . The smart phone cover of claim 1 , wherein the sensor is a radio frequency receiver array, and the waveguide array is a radio frequency waveguide array.