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Central lock system for automotive vehicle

  • US 5,477,214 A
  • Filed: 02/23/1995
  • Issued: 12/19/1995
  • Est. Priority Date: 06/27/1992
  • Status: Expired due to Term
First Claim
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1. A central locking system set for an automotive vehicle, the set comprising:

  • a central lock system for an automotive vehicle, including;

    a lock actuator having a coder for coding a signal for wireless transmission to the automotive vehicle,a receiver on the vehicle having a decoder responsive to the signal, andan electronically operated lock means of the vehicle connected with the receiver and responsive to an output of the decoder for selectively activating and deactivating a lock of the vehicle;

    a radio-frequency oscillator and a light-frequency oscillator;

    releasable connection means including respective plugs and sockets on the oscillators and actuator for selectively coupling either of the oscillators individually mechanically and electronically with the actuator;

    a radio-frequency detector complementary to the radio-frequency oscillator and a light-frequency detector complementary to the light-frequency oscillator; and

    releasable connection means including respective interfitting plugs and sockets on the detectors and receiver for selectively coupling either of the detectors individually mechanically and electronically with the receiver, depending upon which of the oscillators is coupled to the actuator,the coder and decoder both having bandwidths for processing both radiofrequency and light-frequency signals.

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