Patents by Inventor Tadashi Kayano

Tadashi Kayano 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: 5062035
    Abstract: An improved time slot allocation method for a loop network. Loop networks in which the present invention is applied include a loop-connecting a control station and a number of branch stations. The control and branch stations each have at least one terminal connected thereto such that interstation communication, when demanded by a terminal, is made by passing a frame through the transmission path. The frame includes a synchronization area for indicating the leading end of the frame, a fixed-length control area, and a data area composed of a plurality of time slots. According to the invention, the control and branch stations are each allocated with a predetermined or unique number of time slots to be used by terminals for interstation communication. When a station has its reserve of unused time slots fall below a preset lower limit, the control station supplements time slots from its own reserve.
    Type: Grant
    Filed: June 22, 1987
    Date of Patent: October 29, 1991
    Assignees: Kabushiki Kaisha Toshiba, Nippon Telegram and Telephone Corporation
    Inventors: Shigeaki Tanimoto, Tadashi Kayano, Hirobumi Karasawa, Osamu Yamagishi, Tomoo Kunikyo