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High capacity communications satellite

  • US 5,680,240 A
  • Filed: 06/12/1995
  • Issued: 10/21/1997
  • Est. Priority Date: 04/28/1994
  • Status: Expired due to Fees
First Claim
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1. A method for optically switching a signal in a two-way communication system using only one satellite, comprising the steps of:

  • receiving a first set of N beams;

    forming a first set of N optical channels from respective ones of said N beams;

    spreading each of said first set of N optical channels in one dimension to irradiate a first N×

    M array;

    switching a signal existing at one position of the first N×

    M array to any position of a second N×

    M array;

    unspreading the signals from said second N×

    M array to form a second set of N optical channels;

    forming a second set of N beams from said second set of N optical channels; and

    transmitting said second set of N beams, said second set of N beams servicing M customers simultaneously.

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