Patents by Inventor Mutsuma Serizawa

Mutsuma Serizawa 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).

  • Method and apparatus of decision feedback equalization for multipath digital communication
    Patent number: 5097482
    Abstract: A method of an apparatus for decision feedback equalization, capable of dealing with time reversal for the transmission characteristic arising in a course of equalization. Without a considerable increase of the number of taps used and the resulting reduction of the response speed. In this apparatus, a number of feedforward taps for providing a forward part and a number of feedback taps for providing a feedback part are controlled according to whether the transmission signal is to be read in a normal time direction or in a reversed time direction; the forward part and the feedback part are added; and the digital transmission signal is reconstructed according to a result of the addition.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: March 17, 1992
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Mutsuma Serizawa, Koji Ogura, Katsumi Sakakibara