Patents by Inventor Johannes B. Buchner

Johannes B. Buchner 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).

  • Higher order digital transmission system including a multiplexer and a demultiplexer
    Patent number: 4759018
    Abstract: Higher order digital transmission system including a multiplexer having N parallel inputs to which tributary input signal streams are applied, and a demultiplexer having N parallel outputs from which the tributary signal streams are taken. The signal processing operations, such as scrambling, justifying, line coding, error monitoring and word synchronization are effected before the multiplexer and after the demultiplexer, consequently not at the full line rate.
    Type: Grant
    Filed: June 17, 1986
    Date of Patent: July 19, 1988
    Assignees: AT&T Bell Laboratories, Philips Telecommunications BV
    Inventor: Johannes B. Buchner