Patents by Inventor Lance S. Hall

Lance S. Hall 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).

  • Patent number: 6661348
    Abstract: Apparatus and method for providing a visual indication of receipt of an electronic message by changing the color of at least a portion of a display formed of liquid crystal according to the message received. A first circuit receives an incoming signal, a second circuit identifies the incoming signal by comparing the incoming signal with stored signals, and a third circuit causes a predetermined voltage to be coupled to a predetermined area of the liquid crystal to cause the predetermined area to assume a predetermined color to call attention to the incoming message.
    Type: Grant
    Filed: October 10, 2001
    Date of Patent: December 9, 2003
    Inventors: Lance S. Hall, Alfred E. Hall
  • Publication number: 20030067395
    Abstract: Apparatus and method for providing a visual indication of receipt of an electronic message by changing the color of at least a portion of an LCD display according to the message signal received.
    Type: Application
    Filed: October 10, 2001
    Publication date: April 10, 2003
    Inventors: Lance S. Hall, Alfred E. Hall
  • Patent number: 5483922
    Abstract: Apparatus for detecting when birds are in a birdhouse with a heat sensor and illuminating a lamp to give a visual indication of the presence of the bird. A second portion of the circuit gives a visual indication when the bird enters or leaves the birdhouse.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: January 16, 1996
    Inventor: Lance S. Hall