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Electronic shifting systems and methods

  • US 9,802,669 B2
  • Filed: 08/02/2016
  • Issued: 10/31/2017
  • Est. Priority Date: 10/11/2012
  • Status: Active Grant
First Claim
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1. A wireless control system for a bicycle, comprising:

  • a first control unit for a component of a bicycle, the first control unit comprising;

    a radio configured to receive control signals, wirelessly transmitted by a second control unit of the bicycle, the radio operable to receive the control signal only when the radio is operating in a listen mode; and

    a processor configured to;

    activate the listen mode of the radio for a first length of time;

    detect, with the radio, a noise level during the first length of time; and

    extend the activation of the listen mode for a first extended time period when the noise level achieves a noise level threshold.

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