Vehicle door locking and unlocking system

• US 20040059483A1
• Filed: 09/16/2003
• Published: 03/25/2004
• Est. Priority Date: 09/19/2002
• Status: Active Grant

• Current Assignee: Alpha Corporation
• Original Assignee: Alpha Corporation
• Inventors: Sukakura, Hiroaki
• Granted Patent: US 7,065,439 B2
• Time in Patent Office: Days
• US Class Current: 701/36
• CPC Class Codes: E05B 17/10 Illuminating devices on or for locks or keys; Transparent or translucent lock parts; Indicator lights
• CPC Class Codes: E05B 81/78 as part of a hands-free locking or unlocking operation
• CPC Class Codes: G07C 2209/62 Comprising means for indicating the status of the lock
• CPC Class Codes: G07C 9/00309 operated with bidirectional data transmission between data carrier and locks
• CPC Class Codes: G07C 9/00944 Details of construction or manufacture

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).

Claims

1. A vehicle door locking and unlocking system comprising:

a controller mounted on a vehicle which transfers a predetermined frequency via an antenna provided in the vehicle to control locking and unlocking of a door 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 controls the display to display that it is a locking confirmable period for predetermined time since detecting locking of the door.

2. A vehicle door locking and unlocking system according to claim 1, wherein the display is provided in the vehicle, and the display is comprised of a LED, the controller controls the LED being turned on during the locking confirmable period.

3. A vehicle door locking and unlocking system according to claim 1, wherein the display is provided in the vicinity of a door handle of the vehicle, and formed integrally with a request switch, which transmits a request signal for obtaining an ID of the portable machine to the portable machine.

4. A vehicle door locking and unlocking system according to claim 1, further comprising a sensor which detects the opening or closing condition of the door, and transmits information relating to the condition of the door to the controller.