Patents Assigned to Yoshiaki Kaneko
  • Patent number: 4906998
    Abstract: A radio-frequency unechoic chamber (electric wave nonreflecting room) is disclosed. The radio-frequency unechoic chamber comprises radiowave reflectors which are provided on all inside of peripheral walls whose upper portion is open and a screen to cut off reflected waves which is arranged between an antenna and the mounting table of a test apparatus and which has a gap for allowing only direct waves from said antenna to pass.
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: March 6, 1990
    Assignee: Yoshiaki Kaneko
    Inventor: Shigekazu Shibuya