Patents by Inventor Minoru Sakaihori

Minoru Sakaihori 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).

  • Polling method and vehicle search method in digital radio communication system
    Patent number: 8094642
    Abstract: The present invention provides a polling method in a radio digital communication system making it possible to shorten time required for polling without causing increase in an error rate and to efficiently manage and administrate communications. In a digital radio communication system for collecting information from a plurality of terminal stations by polling, a polling response signal to be transmitted from each terminal station to a base station has a frame format constructed of a one-frame in which a cyclic bit pattern is placed at a leading end of the frame format.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: January 10, 2012
    Assignee: Hitachi Kokusai Electric, Inc.
    Inventors: Kin'ichi Higure, Masayuki Kanazawa, Minoru Sakaihori, Yuzo Hiraki
  • POLLING METHOD AND VEHICLE SEARCH METHOD IN DIGITAL RADIO COMMUNICATION SYSTEM
    Publication number: 20100329233
    Abstract: The present invention provides a polling method in a radio digital communication system making it possible to shorten time required for polling without causing increase in an error rate and to efficiently manage and administrate communications. In a digital radio communication system for collecting information from a plurality of terminal stations by polling, a polling response signal to be transmitted from each terminal station to a base station has a frame format constructed of a one-frame in which a cyclic bit pattern is placed at a leading end of the frame format.
    Type: Application
    Filed: September 14, 2010
    Publication date: December 30, 2010
    Inventors: Kin'ichi HIGURE, Masayuki Kanazawa, Minoru Sakaihori, Yuzo Hiraki
  • Polling method and vehicle search method in digital radio communication system
    Publication number: 20070165591
    Abstract: The present invention provides a polling method in a radio digital communication system making it possible to shorten time required for polling without causing increase in an error rate and to efficiently manage and administrate communications. In a digital radio communication system for collecting information from a plurality of terminal stations by polling, a polling response signal to be transmitted from each terminal station to a base station has a frame format constructed of a one-frame in which a cyclic bit pattern is placed at a leading end of the frame format.
    Type: Application
    Filed: August 25, 2004
    Publication date: July 19, 2007
    Inventors: Kin'ichi Higure, Masayuki Kanazawa, Minoru Sakaihori, Yuzo Hiraki