Patents by Inventor Lam Ta

Lam Ta 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).

  • Three state output circuit
    Patent number: 4449064
    Abstract: A three state output circuit which pulls down the output node thereof to a first supply voltage in response to an assert signal, pulls up the output node to a second supply voltage in response to a rescind signal, and then presents a high impedance on the output node immediately after the output node is pulled up to a selected reference voltage.
    Type: Grant
    Filed: April 2, 1981
    Date of Patent: May 15, 1984
    Assignee: Motorola, Inc.
    Inventors: Kim Eckert, Richard D. Crisp, Lam Ta