Patents Represented by Attorney J. B. Frisone

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  • Ternary signal multiplexor circuit
    Patent number: 4814634
    Abstract: The multiplexing circuit disclosed herein combines multiple input signals into a common output by allowing ternary signals to pass from multiple input circuits to a common output circuit. The circuit combines ternary signals with minimum feedback between input circuits. The circuit is passive, has minimum attenuation, and a small number of components.
    Type: Grant
    Filed: September 23, 1987
    Date of Patent: March 21, 1989
    Assignee: International Business Machines Corporation
    Inventors: Paul Abramson, David E. Conner, Lee C. Haas