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Door handle and locking system

  • US 8,269,615 B2
  • Filed: 03/25/2009
  • Issued: 09/18/2012
  • Est. Priority Date: 05/16/2008
  • Status: Expired due to Fees
First Claim
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1. A door handle for opening and closing a door, comprising:

  • a handle body;

    a transmitting antenna located inside the door handle and transmitting a communication signal to a portable device carried by a user;

    an indicating portion located inside the door handle and optically indicating a state of the door, including locked and unlocked states of the door, to the user with a visible light; and

    a first power supply portion located inside the door handle and electromagnetically coupled to the transmitting antenna and supplying electric power to the indicating portion according to a transmission of the communication signal from the transmission antenna.

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