Patents by Inventor Ray M. Herman

Ray M. Herman 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: 5059977
    Abstract: A digital-to-analog converter receives a stream of input words and selectively couples a plurality of current sources to produce a DAC output signal. The DAC includes a set of series-connected synchronizing switches and data switches between the current sources and the output lines, and operates the switches such that the current sources are not coupled to the data switches until the data switch transients have ended.
    Type: Grant
    Filed: August 3, 1990
    Date of Patent: October 22, 1991
    Assignee: Magnavox Government and Industrial Electronics Company
    Inventors: Ray M. Herman, Anthony L. McKay, Andrew M. Chao