The invention discloses a car key with an adjustable remote-control distance. The car key comprises a first power emitting circuit, a keying circuit, a controller unit, three press keys for separately shutting, unlocking and unlocking a trunk, a second power emitting circuit and a power selection circuit, wherein the control distance of the second power emitting circuit is longer than that of the first power emitting circuit; the power selection circuit comprises a first triode and a second triode; the controller unit drives and switches on the first triode or the second triode so as to select the first power emitting circuit or the second power emitting circuit. The car key disclosed by the invention can change emitted power according to the demands of a user, so that setting of the remote-control distance to the car key is realized.


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    Title :

    Car key with adjustable remote-control distance


    Contributors:
    YI GANG (author) / WEN TAO (author) / ZHANG PENG (author) / CHEN BIN (author) / YANG SEN (author)

    Publication date :

    2015-12-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G08C Übertragungssysteme für Messwerte, Regel-, Steuer- oder ähnliche Signale , TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS



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