Patents by Inventor Masaki MOMMA

Masaki MOMMA 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).

  • Mobile communication device and echo cancellation method
    Patent number: 8694059
    Abstract: According to an aspect, a mobile communication device includes a housing, a speaker, a microphone, a detecting unit, and a processing unit. The speaker is provided in the housing, and outputs an incoming voice according to an incoming voice signal. The microphone is provided in the housing. The microphone receives an outgoing voice and outputs an outgoing voice signal in response to reception of the outgoing voice. The detecting unit detects vibration of the housing and outputs a housing-vibration signal indicating the vibration of the housing. The processing unit performs echo cancellation to the outgoing voice signal based on the incoming voice signal and the housing-vibration signal.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: April 8, 2014
    Assignee: Kyocera Corporation
    Inventor: Masaki Momma
  • MOBILE COMMUNICATION DEVICE AND ECHO CANCELLATION METHOD
    Publication number: 20120276961
    Abstract: According to an aspect, a mobile communication device includes a housing, a speaker, a microphone, a detecting unit, and a processing unit. The speaker is provided in the housing, and outputs an incoming voice according to an incoming voice signal. The microphone is provided in the housing. The microphone receives an outgoing voice and outputs an outgoing voice signal in response to reception of the outgoing voice. The detecting unit detects vibration of the housing and outputs a housing-vibration signal indicating the vibration of the housing. The processing unit performs echo cancellation to the outgoing voice signal based on the incoming voice signal and the housing-vibration signal.
    Type: Application
    Filed: April 25, 2012
    Publication date: November 1, 2012
    Applicant: KYOCERA CORPORATION
    Inventor: Masaki MOMMA