Patents by Inventor Hiroyuki Mitsume

Hiroyuki Mitsume 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: 6667966
    Abstract: The present invention relates to an ambient field level monitor device for a radio mobile terminal, comprising a reception unit for receiving a radio signal arriving at the radio mobile terminal to output a reception signal originating from the received radio signal and further to output an ambient field level signal, a synchronization decision section for receiving the reception signal from the reception unit to judge whether or not the reception unit is in synchronism with the received radio signal, and a time constant variable type ambient field level monitoring unit for receiving the ambient field level signal from the reception unit.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: December 23, 2003
    Assignee: Fujitsu Limited
    Inventors: Hiroyuki Mitsume, Hiroki Takahashi
  • Publication number: 20030103488
    Abstract: The present invention relates to an ambient field level monitor device for a radio mobile terminal, comprising a reception unit for receiving a radio signal arriving at the radio mobile terminal to output a reception signal originating from the received radio signal and further to output an ambient field level signal, a synchronization decision section for receiving the reception signal from the reception unit to judge whether or not the reception unit is in synchronism with the received radio signal, and a time constant variable type ambient field level monitoring unit for receiving the ambient field level signal from the reception unit.
    Type: Application
    Filed: January 17, 2003
    Publication date: June 5, 2003
    Inventors: Hiroyuki Mitsume, Hiroki Takahashi
  • Patent number: 6556559
    Abstract: The present invention relates to an ambient field level monitor device for a radio mobile terminal, comprising a reception unit for receiving a radio signal arriving at the radio mobile terminal to output a reception signal originating from the received radio signal and further to output an ambient field level signal, a synchronization decision section for receiving the reception signal from the reception unit to judge whether or not the reception unit is in synchronism with the received radio signal, and a time constant variable type ambient field level monitoring unit for receiving the ambient field level signal from the reception unit.
    Type: Grant
    Filed: September 23, 1999
    Date of Patent: April 29, 2003
    Assignee: Fujitsu Limited
    Inventors: Hiroyuki Mitsume, Hiroki Takahashi