Door handle and locking system
First Claim
Patent Images
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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Accused Products
Abstract
A door handle, for opening and closing a door such as a vehicular door, includes: a transmitting antenna, transmitting a communication signal to a portable device carried by a user; an indicating portion, 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, electromagnetically coupled to the transmitting antenna and supplying electric power to the indicating portion in response to a transmission of the communication signal.
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Citations
11 Claims
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1. A door handle for opening and closing a door, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A door handle for opening and closing a door, comprising:
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a handle body; an operation detecting portion located inside the door handle and electrically detecting an operation of a user relative to the door handle; 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 power supply portion located inside the door handle and electromagnetically coupled to the operation detecting portion, which is driven by alternating current, and supplying electric power to the indicating portion according to a driving of the operation detecting portion. - View Dependent Claims (8, 9)
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10. A locking system transmitting a communication signal to a portable device carried by a user, receiving a receiving signal from the portable device, identifying the portable device on the basis of identification data included in the receiving signal, unlocking a door on which is mounted a door handle based on an operation of the user relative to the door after an identification of the portable device and locking the door on the basis of a predetermined condition when the user having the portable device is outside the vehicle, the locking system comprising:
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a handle body; a transmitting antenna located inside the door handle and transmitting the communication signal to the portable device; 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; a 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 an operation of the communication signal; and a system control portion transmitting the communication signal via the transmitting antenna and indicating the state of the door via the indicating portion by changing a time duration of a carrier wave of the communication signal according to the state of the door. - View Dependent Claims (11)
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Specification