Patents by Inventor Shigemi Kitakami

Shigemi Kitakami 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).

  • System for converting input/output signals where each amplifier section comprises a storage unit containing information items relating to an associated terminal end
    Patent number: 6052655
    Abstract: A signal converter which receives signals from a plurality of sensor terminal ends to detect physical quantities in a plant and conducts a necessary correction for the signals to send the signals to a host computer or which transmits signals from the host computer to operation terminal ends in the plant includes a sensor terminal end amplifier including a processing unit for receiving a signal from a sensor terminal end and conducting a predetermined amplifying operation for the signal and a storage unit in which information items related to the sensor terminal and the processing unit are stored, an operation terminal end amplifier including a converting unit for converting signals into predetermined control signals which can be received by the operation terminal end and a storage unit in which information items related to the operation terminal end and the converting unit are stored, and a signal converting section including a connecting unit for connecting the sensor terminal amplifier section to the operat
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: April 18, 2000
    Assignee: Hitachi, Ltd.
    Inventors: Teruo Kobayashi, Kouji Oono, Masahiro Fujita, Shigemi Kitakami, Shinzou Noguchi, Ryoichi Nagase