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US 7,065,439 B2Granted
Vehicle door locking and unlocking system
AssigneeAlpha Corporation
InventorHiroaki Sakakura
Life of this patent
Estimating the term…
Abstract
An indicator (5) is provided, which displays that it is a locking confirmable period, for predetermined time after locking the door, in a vehicle door locking and unlocking system S, which locks or unlocks the vehicle door by performing communication between a controller (6), which controls locking or unlocking of the vehicle door, and a portable machine (7).
Claims4
A door locking and unlocking system for a vehicle door which is able to open/close by operation of a door handle, the system comprising:
- a controller on a vehicle which is configured to transfer a predetermined frequency via an antenna provided in the vehicle to control locking and unlocking of the vehicle;
- a portable machine which uses the same frequency as the predetermined frequency to transmit a door locking or unlocking signal to the controller;
- and
- a display controlled by the controller, wherein
- the controller, upon detecting a locked state of the vehicle door, activates the display that indicates for a predetermined time that the door handle is in a locking-confirmable mode, and while the display is activated, the controller prevents the door handle from unlocking the door.
2 more elements
Dependencies are inferred from the claim text.