Patents by Inventor Robert E. Pfister

Robert E. Pfister 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: 5623357
    Abstract: A method and apparatus for establishing an intelligent demarcation between facility and terminal segments of asynchronous optical network. Network management information contained with the overhead structure of the synchronous optical network signal is extracted and manipulated in accordance with a predetermined user specification; overhead data may be translated, terminated, or passed unaltered as required. Overhead processing towards the facility and terminal segments need not be symmetrical. Payload information is passed unaltered although future provisions for encrypting payload data exist. Full performance monitoring is supported along with a built-in-test and diagnostic capability. The device may be both locally and remotely controlled and monitored. Remote control is implemented via the overhead information contained within the synchronous optical network signal.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: April 22, 1997
    Assignee: GRC International, Inc.
    Inventors: William D. Kight, Robert E. Pfister
  • Patent number: 5355238
    Abstract: A method and apparatus for establishing an intelligent demarcation between facility and terminal segments of a synchronous optical network. Network management information contained with the overhead structure of the synchronous optical network signal is extracted and manipulated in accordance with a predetermined user specification; overhead data may be translated, terminated, or passed unaltered as required. Overhead processing towards the facility and terminal segments need not be symmetrical. Payload information is passed unaltered although future provisions for encrypting payload data exist. Full performance monitoring is supported along with a built-in-test and diagnostic capability. The device may be both locally and remotely controlled and monitored. Remote control is implemented via the overhead information contained within the synchronous optical network signal.
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: October 11, 1994
    Assignee: SWL Inc.
    Inventors: William D. Kight, Robert E. Pfister