Patents by Inventor Herman A. Smith

Herman A. Smith 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).

  • Liquid level detection gauge and associated methods
    Patent number: 6962078
    Abstract: A gauge for detecting the level of ink in a printer's ink reservoir includes: a transmitter antenna adapted to be positioned adjacent to an outer surface of a printer's ink reservoir; a transmitter circuit operatively coupled to the transmitter antenna for generating a radio-frequency signal for transmission by the transmitter antenna; a receiver antenna; a receiver circuit for obtaining at least a portion of the radio-frequency signal received by the receiver antenna; and a processing circuit, operatively coupled to the receiver circuit, and configured to determine an approximate level of ink in the ink reservoir based upon, at least in part, a characteristic of the obtained portion of the radio-frequency signal, such as a voltage level of the obtained portion of the radio-frequency signal.
    Type: Grant
    Filed: December 24, 2002
    Date of Patent: November 8, 2005
    Assignee: Lexmark International, Inc.
    Inventors: Aditya J. Angal, Mahesan Chelvayohan, Patrick L. Kroger, Herman A. Smith
  • Liquid level detection gauge and associated methods
    Publication number: 20040119637
    Abstract: A gauge for detecting the level of ink in a printer's ink reservoir includes: a transmitter antenna adapted to be positioned adjacent to an outer surface of a printer's ink reservoir; a transmitter circuit operatively coupled to the transmitter antenna for generating a radio-frequency signal for transmission by the transmitter antenna; a receiver antenna; a receiver circuit for obtaining at least a portion of the radio-frequency signal received by the receiver antenna; and a processing circuit, operatively coupled to the receiver circuit, and configured to determine an approximate level of ink in the ink reservoir based upon, at least in part, a characteristic of the obtained portion of the radio-frequency signal, such as a voltage level of the obtained portion of the radio-frequency signal.
    Type: Application
    Filed: December 24, 2002
    Publication date: June 24, 2004
    Inventors: Aditya J. Angal, Mahesan Chelvayohan, Patrick L. Kroger, Herman A. Smith
  • Foam product for recreational products
    Patent number: 5275860
    Abstract: The present invention relates to surf boards and bodyboards and the like used for water sports and wherein the board includes a core foam which is a closed pore or closed cell foam to which is directly bonded an upper and lower skin. To achieve a substantially high integrity bond, an intermediate layer is used composed of a mixture of the polymeric material of the foam and the different polymeric material of the skins. The foam may be polypropylene expanded bead foam while the skins may be of high density polyethylene. Procedures are also disclosed for forming such products as well as procedures for providing rocker, an important characteristic of such boards.
    Type: Grant
    Filed: May 28, 1992
    Date of Patent: January 4, 1994
    Assignee: Foam Design Consumer Products, Inc.
    Inventors: John S. D'Luzansky, Anthony L. Panzica, Steven B. Ruble, Herman A. Smith