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Control apparatus for powered vehicle door systems

  • US 5,684,470 A
  • Filed: 06/07/1995
  • Issued: 11/04/1997
  • Est. Priority Date: 03/22/1990
  • Status: Expired due to Fees
First Claim
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1. In a control system for coordinating operations of interacting components separated by a varying distance located on two portions of an automotive vehicle in which at least one of the components moves relative to the vehicle and each portion of the vehicle includes, a bidirectional transceiver for wireless communications, each transceiver comprising:

  • super-regenerative amplifier means for transmitting and receiving communications signals containing control signals used by the control system, said super-regenerative means having a limited range of operation in accordance with said varying distance up to a predetermined maximum distance, wherein the super-regenerative amplifier means broadcasts less than about one hundred microwatts of transmitted power as measured anywhere along a locus of intended reception points; and

    interface means for encoding said control signals into said communication signals for transmission by said super-regenerative amplifier means and for decoding said communication signals received by said super-regenerative amplifier means into said control signals.

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