Patents by Inventor Charles Minot Gilmore

Charles Minot Gilmore 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).

  • High speed accurate low frequency counter
    Patent number: 4027146
    Abstract: A frequency counter is disclosed which determines the frequency of an input signal in a high speed and accurate manner. High speed is achieved by utilizing electronic digital processing circuitry. The high degree of accuracy is achieved by a combination of elements which perform period averaging of an integral number of periods of the input signal over a flexible measurement interval. The counter is particularly useful in accurately measuring low frequency signals.
    Type: Grant
    Filed: March 23, 1976
    Date of Patent: May 31, 1977
    Assignee: Heath Company
    Inventor: Charles Minot Gilmore