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Diversity system

  • US 4,142,155 A
  • Filed: 05/11/1977
  • Issued: 02/27/1979
  • Est. Priority Date: 05/19/1976
  • Status: Expired due to Term
First Claim
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1. A diversity system comprising(a) a reference frequency oscillator,(b) a plurality of frequency modulators each having means which generates frequency modulated signals the carrier frequencies of which are equal to each other and to that of said reference frequency oscillator,(c) said plurality of frequency modulators generating frequency modulated signals with a common baseband digital signal being applied to said plurality of frequency modulators in such a manner that the peak frequency deviations of said modulated signals are different from each other, and(d) the frequency modulated signals being transmitted from respective antennas connected to said plurality of frequency modulators, respectively.

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