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Wireless aircraft passenger audio entertainment system

  • US 4,352,200 A
  • Filed: 10/09/1979
  • Issued: 09/28/1982
  • Est. Priority Date: 10/09/1979
  • Status: Expired due to Term
First Claim
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1. A method of supplying audio information in several audio channels via headsets to passengers seated aboard an aircraft in rows of seats including armrests and being distributed along an elongate passenger section inside a metallic fuselage, comprising in combination the steps of:

  • running a transmitting antenna along the passenger section of said aircraft for radio transmission inside such elongate passenger section in a frequency range including at least a band between 72 and 73 MHz;

    providing individual antennas for said seats for receiving said radio transmission and distributing such receiving antennas among predetermined armrests of said seats;

    providing said audio information in radio frequency channels in said band between 72 and 73 MHz;

    coupling said distributed receiving antennas via seated passengers to said transmitting antenna;

    transmitting said radio frequency channels in said band via said transmitting antenna, seated passengers and distributed receiving antennas to said predetermined armrests;

    deriving said audio information in said audio channels from said transmitted radio frequency channels in said predetermined armrests;

    individually enabling passengers to select audio information from among audio channels containing said derived audio information; and

    applying said selected audio information individually to said headsets.

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