×

Indoor radio communication system

  • US 5,697,063 A
  • Filed: 05/17/1996
  • Issued: 12/09/1997
  • Est. Priority Date: 05/30/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. An indoor radio communication system arranged in a room, comprising:

  • a master antenna in the room having a high directivity for radiating an electric wave at a narrowed beam width in a first vertical direction, the electric wave carrying a data signal;

    a first electric wave receiving/transmitting means in the room for receiving the electric wave radiated from the master antenna in the first vertical direction and transmitting the electric wave in a horizontal direction;

    a second electric wave receiving/transmitting means in the room for receiving the electric wave transmitted in the horizontal direction by the first electric wave receiving/transmitting means and transmitting the electric wave in a second vertical direction opposite to the first vertical direction; and

    a slave antenna in the room having a high directivity for receiving the electric wave transmitted in the second vertical direction by the same electric wave receiving/transmitting means.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×