Please download the dossier by clicking on the dossier button x
×

Broadcast/narrowcast dual mode satellite

  • US 20050111392A1
  • Filed: 05/13/2004
  • Published: 05/26/2005
  • Est. Priority Date: 05/13/2003
  • Status: Abandoned Application
First Claim
Patent Images

1. In a communication satellite for operation in Earth orbit, the improvement comprising:

  • a broadcast/narrowcast dual-mode receiving system that receives from one or more terrestrial transmitting stations one or more communication uplink signals that selectively correspond to one or more narrowcast communication signals directed to one or more narrowcast geographic cells or one or more broadcast communication signals directed to one or more broadcast regions, each of which encompasses plural narrowcast geographic cells; and

    a broadcast/narrowcast dual-mode transmitting system that transmits one or more communication downlink signals that selectively correspond to the one or more broadcast communication signals being transmitted to the one or more broadcast regions or the one or more narrowcast communication signals being transmitted to the one or more narrowcast geographic cells.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×