Patents by Inventor Hans-Marlin Christiansen

Hans-Marlin Christiansen 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: 4345273
    Abstract: The exemplary embodiment may be used for television (TV) signals and, if desired, also for radio, digital telephone, picture screen text and/or television telephone signals. For the reduction of the circuit-technical outlay of the actual broad band switching network, each TV program (Pl . . . Pp) is multiply supplied to a program-individual input (El . . . Ep) of the broad band switching network in time-division multiplex in a plurality of time channels; via the broad band switching network, each subscriber (Tq . . . Tt) has simultaneous access in the plurality of time channels to a corresponding plurality of programs (Pl . . . Pp). In the broad band switching network, the individual program signal sources (Pl . . . Pp) are respectively connected to coupling point switches belonging to the respective input (El . . .
    Type: Grant
    Filed: November 4, 1980
    Date of Patent: August 17, 1982
    Assignee: Siemens Aktiengesellschaft
    Inventors: Udo Barabas, Karl-Heinz Moehrmann, Hans-Marlin Christiansen