Patents by Inventor Eichi Amada

Eichi Amada 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).

  • Network broadcast communication system and communication network connecting apparatus
    Patent number: 5526351
    Abstract: A network broadcast system having at least one local area communication network connecting apparatus which interconnects LANs and PBXs electrically connected thereto. The local area communication network connecting apparatus includes at least one LAN connecting unit, connected to a LAN for converting a LAN frame transmitted from the LAN to a cell including a VCI which identifies a desired destination of the cell, at least one PBX connecting unit, connected to a PBX for converting an audio signal from the PBX to a cell and a converting unit, connected to the LAN connecting unit, the PBX connecting unit and a plurality of output paths. The converting unit responds to a VCI in a cell transferred thereto, adds at least an output path number which identifies an output path connected between the converting unit and a desired destination of the cell and outputs the cell to the output path identified by the output path.
    Type: Grant
    Filed: September 10, 1991
    Date of Patent: June 11, 1996
    Inventors: Tatsuo Mochinaga, Eichi Amada, Yoshihiro Takiyasu, Masashi Ohno, Takashi Morita