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Remote control system using a cellular telephone and associated methods

  • US 6,873,824 B2
  • Filed: 08/22/2001
  • Issued: 03/29/2005
  • Est. Priority Date: 08/22/2000
  • Status: Expired due to Fees
First Claim
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1. A vehicle remote control system to be operated directly via a cellular telephone without using intervening cellular communications infrastructure, the cellular telephone comprising an input device and a cellular telephone transmitter for transmitting cellular telephone signals via the cellular communications infrastructure and for alternately transmitting signals relating to a command code entered from the input device and a unique identification code for the cellular telephone, the vehicle remote control system comprising:

  • a receiver positioned at the vehicle for receiving signals directly from the cellular telephone transmitter that is alternately used for transmitting cellular telephone signals via the cellular telephone infrastructure but without using intervening cellular communications infrastructure; and

    a controller positioned at the vehicle and being switchable between a learning mode and an operating mode, said controller when in the learning mode learning the unique identification code of a cellular telephone so that the cellular telephone is an authorized cellular telephone, said controller when in the operating mode controlling at least one vehicle function responsive to signals received from the cellular transmitter of the authorized cellular telephone and without using the intervening cellular telephone infrastructure.

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