Patents by Inventor Kenzou Aoki

Kenzou Aoki 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).

  • Centralized supervisory system
    Patent number: 4575839
    Abstract: A centralized supervisory system in an automatic switching system including at least one remote office with a first time-division switching system and a first supervisory unit, and a central office with a second time-division switching system and a second supervisory unit. The first time-division switching system and the second time-division switching system being connected by a time-division multichannel line. Supervisory data output from the first supervisory unit are allocated to one or more predetermined channels on the time-division multichannel line, so that the supervisory data output from the first supervisory unit are transferred through the time-division multichannel line to the second supervisory unit and are centrally supervised therein.
    Type: Grant
    Filed: January 28, 1983
    Date of Patent: March 11, 1986
    Assignee: Fujitsu Limited
    Inventors: Yusuke Ogata, Yasushi Nagahama, Yoshiaki Matsuura, Kenzou Aoki, Hidemi Harada