Patents by Inventor Yohei Terashi

Yohei Terashi 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).

  • Positioning system, terminal apparatus, terminal apparatus control method, terminal apparatus control program, and computer readable recording medium having the terminal apparatus control program recorded therein
    Patent number: 7589669
    Abstract: The terminal apparatus has: positioning vector information generating means for generating positioning vector information which indicates a passing direction and a passing speed, based on the satellite signals used when each item of the current position information was generated; passing speed information generating means for generating passing speed information which indicates a passing speed of the terminal, based on the Doppler shift information and the transmitting frequency information; speed vector information generating means for generating speed vector information which indicates a passing direction and a passing speed of the terminal apparatus with respect to each of the communication base stations, based on the transmitting direction information and the passing speed information; combined vector information generating means for generating combined vector information which indicates a passing direction and a passing speed of the terminal apparatus, based on a plurality of the passing vector informati
    Type: Grant
    Filed: June 13, 2006
    Date of Patent: September 15, 2009
    Assignee: Seiko Epson Corporation
    Inventors: Yohei Terashi, Tomoyuki Kurata
  • Positioning system, terminal apparatus, terminal apparatus control method, terminal apparatus control program, and computer readable recording medium having the terminal apparatus control program recorded therein
    Publication number: 20060290565
    Abstract: The terminal apparatus has: positioning vector information generating means for generating positioning vector information which indicates a passing direction and a passing speed, based on the satellite signals used when each item of the current position information was generated; passing speed information generating means for generating passing speed information which indicates a passing speed of the terminal, based on the Doppler shift information and the transmitting frequency information; speed vector information generating means for generating speed vector information which indicates a passing direction and a passing speed of the terminal apparatus with respect to each of the communication base stations, based on the transmitting direction information and the passing speed information; combined vector information generating means for generating combined vector information which indicates a passing direction and a passing speed of the terminal apparatus, based on a plurality of the passing vector informati
    Type: Application
    Filed: June 13, 2006
    Publication date: December 28, 2006
    Applicant: Seiko Epson Corporation
    Inventors: Yohei Terashi, Tomoyuki Kurata