Patents by Inventor C. C. Fridlin

C. C. Fridlin 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).

  • Apparatus and method for a data communications device to selectively operate as an analog modem, as a digital modem, and as a terminal adapter
    Patent number: 5671251
    Abstract: An apparatus and method for a data communications device to selectively operate in a plurality of analog and digital modes, including as an analog modem, as a digital modem, and as a terminal adapter. The embodiments provide for a single, integrated data communications device to be configured and also subsequently reconfigured to provide for data communications over a variety of networks, including public switched telephone networks and digital networks, including T1, E1 and ISDN. The various embodiments also provide for signal simulation of the various networks, such that the actual coupled network is transparent to a data terminal transferring information through the data communication device to the network.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: September 23, 1997
    Assignee: Motorola, Inc.
    Inventors: Steven R. Blackwell, John Timothy Pearson, C. C. Fridlin