Patents by Inventor Taichiro Ise

Taichiro Ise 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).

  • Hot standby communications system
    Patent number: 4700348
    Abstract: A communications system of the type having a normal operating system and a back-up standby system includes a branching circuit which supplies an output signal at a high power and at a lower power, respectively. The high power signal is supplied to the system which is presently operating as the normal operating system. Controlled switching means are provided to direct the high power signal to the back-up system when the back-up system is to operate as the normal operating system, and to couple the output of the back-up system to the communications system output upon this occurrence.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: October 13, 1987
    Assignees: NEC Corporation, Nippon Telegraph and Telephone Corporation
    Inventors: Taichiro Ise, Kazuyuki Yamamoto, Hiroyo Ogawa