Patents by Inventor Steven A. Prsa

Steven A. Prsa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and Method for Keypad Light Guide Optical Features and Coatings
    Publication number: 20120241297
    Abstract: Systems and methods are provided for a keypad assembly with optical features and coatings. In one exemplary embodiment, the keypad assembly for a portable electronic device includes a keypad including a plurality of keys and a light guide for transmitting light from at least one light source. The light guide includes at least one light source feature and at least one light guide feature, and the at least one light guide feature and the at least one light source feature have applied thereto a highly-reflective coating.
    Type: Application
    Filed: March 21, 2011
    Publication date: September 27, 2012
    Inventors: Steven A. Prsa, Chao Chen, Simon Edward Coulson