Patents by Inventor Kengo Sawada

Kengo Sawada 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).

  • Transmission device and transmission method
    Patent number: 8855659
    Abstract: A transmission device includes a transmission power setting unit that respectively sets a transmission power for transmitting a main sound signal indicating a main sound and transmission powers for transmitting one or two or more subsidiary sound signals which pertain to the main sound signal and which realize a predetermined sound effect, and a first communication unit that respectively transmits the main sound signal and the one or two or more subsidiary sound signals on time division channels using the same frequency band, based on the transmission powers set by the transmission power setting unit, wherein the transmission power setting unit sets the transmission power for the main sound signal to a first reference value, and sets the transmission powers for the subsidiary sound signals to a second reference value smaller than the first reference value.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: October 7, 2014
    Assignee: Sony Corporation
    Inventors: Kengo Sawada, Masataka Wakamatsu, Kenji Shiba
  • Transmission device and transmission method
    Publication number: 20110249818
    Abstract: A transmission device includes a transmission power setting unit that respectively sets a transmission power for transmitting a main sound signal indicating a main sound and transmission powers for transmitting one or two or more subsidiary sound signals which pertain to the main sound signal and which realize a predetermined sound effect, and a first communication unit that respectively transmits the main sound signal and the one or two or more subsidiary sound signals on time division channels using the same frequency band, based on the transmission powers set by the transmission power setting unit, wherein the transmission power setting unit sets the transmission power for the main sound signal to a first reference value, and sets the transmission powers for the subsidiary sound signals to a second reference value smaller than the first reference value.
    Type: Application
    Filed: March 3, 2011
    Publication date: October 13, 2011
    Applicant: Sony Corporation
    Inventors: Kengo Sawada, Masataka Wakamatsu, Kenji Shiba