Patents by Inventor Masanobu Ohtomo

Masanobu Ohtomo 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 inputting speech, radio receiver and communication system
    Publication number: 20040059571
    Abstract: There is disclosed a system for inputting speech that comprises an echo canceller section 120 for subtracting a pseudo echo signal, generated by an adaptive filter 121 based on a speech signal inputted to a first input terminal 120a, from a speech signal for sending as inputted to a second input terminal 120b to thereby remove echo components contained in the speech signal for sending; a main microphone 151 for mainly receiving sound from an objective sound source; a reference microphone 152 disposed a predetermined distance apart from the main microphone 151 for mainly receiving sound from other than the objective sound source; and an audio delay section 180 for giving a predetermine delay to the speech signal for sending from the main microphone 151.
    Type: Application
    Filed: September 10, 2003
    Publication date: March 25, 2004
    Applicant: MARANTZ JAPAN, INC.
    Inventor: Masanobu Ohtomo