Patents Assigned to Hiroji Kusaka
  • Spread spectrum communications system
    Patent number: 4879726
    Abstract: In a spread communications systems, a filter is inserted in a transmitter and a receiver, respectively. The filter in the transmitter is an FIR filter and the filter in the receiver has a characteristic inverse to that of the FIR filter.
    Type: Grant
    Filed: October 6, 1987
    Date of Patent: November 7, 1989
    Assignees: Oki Electric Industry Co., Ltd., Hiroji Kusaka
    Inventors: Masaki Kobayashi, Yoshio Itoh, Hiroji Kusaka