Patents by Inventor Robert E. Steidl

Robert E. Steidl 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).

  • Method and apparatus for signaling and framing in a time division multiplex communication system
    Patent number: 4125745
    Abstract: A TDM communication method and system provides signaling between a digital central office and a remote line switch over a T1 line involving combined common-channel and D2 signaling with retention of twenty-four PCM communication channels. The invention also embodies novel means and techniques for out-of-frame detection and reframing.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: November 14, 1978
    Assignee: International Telephone and Telegraph Corporation
    Inventor: Robert E. Steidl