×

Vehicle electronic key system

  • US 20040119628A1
  • Filed: 12/09/2003
  • Published: 06/24/2004
  • Est. Priority Date: 12/19/2002
  • Status: Active Grant
First Claim
Patent Images

1. An electronic key system comprising:

  • a transmitter that transmits the interrogational signal to a mobile unit;

    a receiver that receives a code signal transmitted from the mobile unit in response to the interrogational signal;

    a controller that checks a relation between the code signal and a memorized signal, and controls a state of a door of a vehicle based on a check result of the relation; and

    an indicator that is disposed on the vehicle to indicate the state of the door.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×