Method for controlling a bluetooth connection

• US 9,480,020 B2
• Filed: 01/04/2016
• Issued: 10/25/2016
• Est. Priority Date: 05/09/2014
• Status: Active Grant

• Current Assignee: Hyundai Mobis Co., Ltd., Hyundai Motor Company (Hyundai Motor Group), Kia Motors Corporation (Kia Corp.)
• Original Assignee: Hyundai Mobis Co., Ltd., Hyundai Motor Company (Hyundai Motor Group), Kia Motors Corporation (Kia Corp.)
• Inventors: Yae, Seong Soo, Kim, Ji Un
• Primary Examiner(s): WEST, LEWIS G
• Application Number:
  US14/987,431
• Publication Number:
  US 20160119878A1
• Time in Patent Office: 295 Days
• US Class Current: 1/1
• CPC Class Codes: H04L 67/12 specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 52/0225 using monitoring of external events, e.g. the presence of a signal
• CPC Class Codes: H04W 52/0229 where the received signal is a wanted signal
• CPC Class Codes: H04W 52/0251 using monitoring of local events, e.g. events related to user activity
• CPC Class Codes: H04W 52/0261 managing power supply demand, e.g. depending on battery level
• CPC Class Codes: H04W 76/30 Connection release
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A method for controlling a Bluetooth connection includes turning off an ignition of a vehicle. It is determined whether a terminal connected to a Bluetooth system provided in the vehicle exists or not. When it is determined that the connected terminal exists as a result of determining, a disconnection command for the Bluetooth connection is transmitted from the vehicle to the terminal. The Bluetooth system waits for a time predetermined by the Bluetooth system, after transmitting the disconnection command. After waiting for the predetermined time, it is determined whether a disconnection confirmation message responding to the disconnection command is received from the terminal or not. When it is determined that the disconnection message is received as a result of determining whether the disconnection message is received or not, the Bluetooth system is caused to enter into a sleep mode.

Claims

1. A method for controlling a Bluetooth connection comprising, steps of:

turning off an ignition of a vehicle;

determining whether a terminal connected to a Bluetooth system provided in the vehicle exists or not after turning off the ignition of the vehicle;

when it is determined that the connected terminal exists as a result of determining, transmitting a disconnection command for the Bluetooth connection from the vehicle to the terminal;

waiting for a time predetermined by the Bluetooth system, after transmitting the disconnection command;

after waiting for the predetermined time, determining whether a disconnection confirmation message responding to the disconnection command is received from the terminal or not; and

when it is determined that the disconnection confirmation message is received as a result of determining whether the disconnection message is received or not, causing the Bluetooth system to enter into a sleep mode.

2. A method for controlling a Bluetooth connection according to claim 1, further comprising the step of returning to the step of transmitting the disconnection message, when it is determined that the disconnection message is not received as a result of determining whether the disconnection message is received or not.

3. A method for controlling a Bluetooth connection according to claim 1, wherein the predetermined time is a time to shut down a controller area network (CAN) provided in the vehicle.

4. A method for controlling a Bluetooth connection according to claim 1, wherein the predetermined time is a time for the Bluetooth system to store information on the Bluetooth connection in a memory.

5. A method for controlling a Bluetooth connection comprising, steps of:

turning off an ignition of a vehicle;

determining whether a terminal connected to a Bluetooth system provided in the vehicle exists or not;

when it is determined that the connected terminal exists as a result of determining, transmitting a disconnection command for the Bluetooth connection from the vehicle to the terminal after turning off an ignition of a vehicle;

waiting for a time predetermined by the Bluetooth system, after transmitting the disconnection command;

after waiting for the predetermined time, determining whether a disconnection confirmation message responding to the disconnection command is received from the terminal or not; and

when it is determined that the disconnection confirmation message is received as a result of determining whether the disconnection message is received or not, causing the Bluetooth system to enter into a sleep mode.