Patents by Inventor Shiroh Enami

Shiroh Enami 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: 4113988
    Abstract: A speech path apparatus in a space-division type electronic exchanger equipment wherein a plurality of switching networks each having controlled points and a plurality of trunks are divided into an appropriate number of packaging units, and a network controller and a trunk controller are provided for each packaging unit. Each of the network controllers and the trunk controllers includes a shift register for receiving a control signal sent from a central processing unit in serial form, a means for determining whether the received control signal is for its own unit and means for translating a control signal stored in the shift register to send it out in parallel form to the controlled point.
    Type: Grant
    Filed: March 8, 1977
    Date of Patent: September 12, 1978
    Assignee: Hitachi, Ltd.
    Inventors: Takuji Mukaemachi, Tetsuo Takeshita, Shiroh Enami