Patents by Inventor Gary W. Angell

Gary W. Angell 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).

  • Modem fault detector and corrector system
    Patent number: 4385392
    Abstract: A modem fault detector and corrector system including: a first modem including a first transmitter and first receiver and a second modem including a second transmitter and second receiver; switch means for selectively switching the first and second transmitters on and off of a transmission line; and the first and second receivers on and off of a receiver line; and for connecting one of the receivers with the output of either of the first and second transmitters; means for monitoring the status of each of the modems; means for correlating transmit data with receive data; means for sequencing the switch means to enable the means for correlating to compare transmit data selectively with the output of the first transmitter and the second transmitter; and means, responsive to the means for monitoring, the means for correlating, and the means for sequencing for detecting a malfunction in one of the first modem, second modem and transmission-receiver lines and directing the switch means to replace a malfunctioning o
    Type: Grant
    Filed: July 31, 1981
    Date of Patent: May 24, 1983
    Inventors: Gary W. Angell, C. Kenneth Miller