Patents by Inventor Chiaki Seto

Chiaki Seto 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).

  • Communication controller and communication control method
    Patent number: 5610593
    Abstract: A portable terminal unit is connected to a network, such as a LAN, to communicate with a host apparatus. The terminal unit has a decision unit for determining whether or not the terminal unit is connected to the transmission line and/or a decision unit for determining whether or not the terminal unit is connected to the external power source. the terminal unit also has a communication controller for starting to communicate with the host apparatus when the decision units determine that the terminal unit is connected to the transmission line and/or to the external power source. The terminal unit therefor does not perform useless communication control, such as when the terminal unit is not connected to a transmission line of the LAN or to an external power source.
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: March 11, 1997
    Assignee: Fujitsu Limited
    Inventor: Chiaki Seto