KR20140052230A - Device for preventing leave the mobile phone in the vehicle and method thereof - Google Patents

Device for preventing leave the mobile phone in the vehicle and method thereof Download PDF

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Publication number
KR20140052230A
KR20140052230A KR1020120117963A KR20120117963A KR20140052230A KR 20140052230 A KR20140052230 A KR 20140052230A KR 1020120117963 A KR1020120117963 A KR 1020120117963A KR 20120117963 A KR20120117963 A KR 20120117963A KR 20140052230 A KR20140052230 A KR 20140052230A
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South Korea
Prior art keywords
vehicle
terminal device
portable terminal
driver
unit
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KR1020120117963A
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Korean (ko)
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권민호
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현대모비스 주식회사
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Priority to KR1020120117963A priority Critical patent/KR20140052230A/en
Publication of KR20140052230A publication Critical patent/KR20140052230A/en

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Telephone Function (AREA)

Abstract

Disclosed a device for preventing a user from leaving a mobile phone in a vehicle. The device for preventing the user from leaving the mobile phone in the vehicle: releases the connection to the mobile phone linked through a wireless personal area network if the ignition is turned off, and converts into the sleep mode; retries to connect to the mobile phone If the doors of the vehicle are locked after the driver gets off the car, and if the mobile phone is possible to be connected, alarms the driver about the mobile phone left within the car for preventing the driver from leaving the mobile phone in the car, thereby enhancing the convenience of the driver, and applying the new functions without any additional charges by the use of a burglar horn, an ECU, an audio, or AVN installed in the vehicle.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a device for preventing a mobile terminal device from being left in a vehicle,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handsfree apparatus for a vehicle, and more particularly to a technique for preventing a portable terminal device from being left in a vehicle.

Hands-free systems have been implemented in many vehicles for convenience of operation, safety, and compliance with road traffic regulations in accordance with the increase of mobile phones.

2. Description of the Related Art Hitherto, a hands-free system for a vehicle uses an audio / AVN (Audio Video Navigation) system having a Bluetooth handsfree function. In such a Bluetooth hands-free system, when the vehicle is turned on, the Bluetooth function is turned on, and the connection standby state is established. When the connection is completed, the driver will make a phone call with the Bluetooth handsfree.

In Bluetooth standard, Bluetooth 1.0 has a data transmission speed of 1Mbps and a transmission distance of 10-100m. Because it uses 2.4GHz high radio frequency, communication is available even if there is obstruction.

The hands-free system using the Bluetooth module includes an in-vehicle RSSI detecting unit for detecting a received signal strength indicator (RSSI) level, an in-vehicle RSSI detecting unit for detecting an RSSI level outside the vehicle, The indoor antenna connected, the outdoor antenna connected to the non-vehicle RSSI detecting unit, the RSSI level input from the Bluetooth module, the RSSI level in the vehicle, and the RSSI level outside the vehicle to determine whether the mobile phone is inside or outside the vehicle And a central control unit for turning on and off the Bluetooth function.

This enables the handsfree function to be used only when a Bluetooth mobile phone is present in the vehicle, so that when the driver moves the mobile phone out of the vehicle while the vehicle is turned on, the Bluetooth function is automatically turned off, Allows you to freely use handsfree calls with your mobile phone.

However, when using the RSSI function, such a Bluetooth handsfree system has a difficulty in determining the location of a mobile phone to be connected when the RSSI range is small according to the Bluetooth chipset. Also, for certain Bluetooth chipsets, the RSSI value is -1. 0 < / RTI > and 0, so that the discriminating power of the position determination of the mobile phone may be deteriorated.

In addition, since the Bluetooth handsfree system uses the short-range wireless communication called Bluetooth without a separate communication line between the mobile phone and the hands-free system, the driver can not recognize the existence of the mobile phone after the vehicle is operated, Often occurs.

As described above, a device for preventing a mobile phone from being left in a vehicle and a method therefor are disclosed in Korean Patent Laid-open Publication No. 10-2006-0067992.

The mobile phone anti-countermeasure device includes a pressure sensor that is installed on at least one side of the bottom surface of the mobile phone storage box and switches the contacts on / off by the weight of the mobile phone, a door switch that detects whether the door is open or closed, A control unit for detecting the presence of the mobile phone in the storage box of the pressure sensor and detecting an opening of the door from the door switch, .

Accordingly, when the driver leaves the vehicle while the mobile phone is left in the vehicle, it senses and alerts the driver to leave the mobile phone in the vehicle without leaving the vehicle, thus providing convenience to the driver.

However, such a mobile phone anti-theft device detects only when the mobile phone is placed in the mobile phone storage box, so that the mobile phone can not be alerted even if the mobile phone is left in the seat of the vehicle.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a technical solution for preventing a driver from dropping a portable terminal device in a vehicle.

According to an aspect of the present invention, there is provided an apparatus for preventing a mobile terminal device from being placed in a vehicle, the apparatus including: a vehicle sensing unit for sensing whether the vehicle is turned on and off and whether the door is locked; A communication unit for communicating with the portable terminal device through the communication unit, and determining whether the vehicle is connected to the predetermined portable terminal device through the communication unit within a predetermined time after the door lock of the vehicle is detected and the starting of the vehicle is switched from on to off via the vehicle sensing unit And an output unit for outputting an alarm signal when it is determined that the determination unit is connected to the portable terminal device.

Here, if the door lock is detected after the vehicle is turned off, the determination unit transmits a signal for a short-range wireless communication connection with a predetermined portable terminal device through the communication unit within a predetermined time, and a response signal for the connection signal is transmitted And determines that the portable terminal device is connectable to the portable terminal device when it is received from the portable terminal device through the communication section.

Specifically, the determination unit transmits a signal for short-range wireless communication connection with the portable terminal device through the communication unit a plurality of times. When a response signal for the transmitted connection signals is received a predetermined number of times or more, It is determined that the connection is possible.

In addition, the short range wireless communication may be a Bluetooth communication, and may further include a departure detecting unit for detecting a departure of the driver of the vehicle. When the door lock is detected after the driver's departure is detected after the vehicle is turned off, It is determined whether or not it is connected to the predetermined portable terminal device through the communication unit within a predetermined time.

Here, the predetermined portable terminal device is the device most recently connected through the communication unit.

According to another aspect of the present invention, there is provided a method for preventing a mobile terminal device from being left in a vehicle, the method comprising: releasing a connection with a mobile terminal device connected by short- Determining whether a connection to the disconnected portable terminal device is reconnected within a predetermined period of time after the door lock of the vehicle is confirmed after switching to the sleep mode; And outputting a signal.

Specifically, it is checked whether the driver of the vehicle is off after the sleep mode is changed. When the door lock is confirmed after getting off the driver of the vehicle, the connection signal is transmitted to the disconnected portable terminal device a plurality of times within a predetermined time Determining whether the mobile terminal device is reconnected to the disconnected portable terminal device according to whether or not a response signal to the transmitted connection signals is received from the portable terminal device; and if the response signal is received three or more times in succession It is determined that the connection state is established.

The present invention relates to an apparatus for preventing a mobile terminal device from being left in a vehicle. When the vehicle is turned off, the portable terminal device prevents the portable terminal device from being disconnected from the portable terminal device connected to the local wireless communication and switches to the sleep mode. When the vehicle driver gets out of the vehicle and the vehicle door is locked, It is possible to prevent the driver from unintentionally leaving the portable terminal device and to prevent the driver from accidentally leaving the portable terminal device when the driver is allowed to connect with the portable terminal device, And it is possible to apply the new function without additional cost by utilizing the existing Bugler horn, ECU, audio or AVN in the vehicle.

In addition, it is applicable to a hands-free system in which the RSSI function is not supported or judged to be difficult to use.

1 is a block diagram of a hands-free system in a vehicle including an apparatus for preventing a portable terminal device from being held in a vehicle according to an embodiment of the present invention.
FIG. 2 is a flowchart illustrating a method of preventing a portable terminal device from being left in a vehicle according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The foregoing and further aspects of the present invention will become more apparent from the following detailed description of preferred embodiments with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a hands-free system for a vehicle including an apparatus for preventing a portable terminal device from being placed in a vehicle according to an embodiment of the present invention. As shown in the figure, the hands free system for a vehicle may be configured as a portable terminal device, a portable terminal device prevention / non-control device, and an alarm device. The control unit 100 includes a vehicle sensing unit 110, a communication unit 120, a determination unit 130, a control unit 140, and a getting off sensing unit 150 do.

The vehicle detection unit 110 is configured to detect whether the vehicle is turned on or off and whether the door of the vehicle is locked. Specifically, the vehicle sensing unit 110 includes a startup ON / OFF detection sensor that is installed inside the vehicle key box and detects a startup key when the starter key is turned on or off. Also, the vehicle sensing unit 110 includes a door opening / closing sensor installed between the vehicle and the vehicle door to detect a vehicle door open or a door close.

The start-on / off detection sensor and the door open / close detection sensor of the vehicle detection unit 110 may be implemented by respective electronic control units (ECUs). Alternatively, the start-on / off detection sensor and the door open / close detection sensor of the vehicle sensing unit 110 may be implemented in a body control module (BCM) that integrally controls a plurality of ECUs integrated into one central control unit .

The communication unit 120 is a module for short-range wireless communication between the portable terminal device prevention device and the portable terminal device. The communication unit 120 may be implemented in an AVN (Audio, Video, Navigation) or an audio system constituting a vehicle handsfree system, and may be connected to and disconnected from a portable terminal device supporting short-range wireless communication and request a short- . Preferably, the communication unit 120 is a Bluetooth module. In addition, the communication unit 120 may set RF transmission / reception power so that the communication unit 120 can be connected only when the portable terminal device is located inside the vehicle. For example, the communication unit 120 preferably sets the RF transmission / reception power so that the communication distance is within 10 m. Specifically, it is preferable to limit the communication distance within the maximum length of the vehicle interior space (for example, within 4 m for passenger cars, and within 10 m for buses).

The portable terminal device may be a mobile communication terminal capable of Bluetooth communication.

The determination unit 130 determines the state of the vehicle and determines whether or not a short-range wireless communication connection with the portable terminal device is possible. Specifically, when the start of the vehicle is switched from on to off and the door lock of the vehicle is detected through the vehicle sensing unit 110, the determination unit 130 determines whether the vehicle is in the predetermined state, via the communication unit 120, It is determined whether or not the connection is established.

  Here, the predetermined portable terminal device is the portable terminal device that has been connected most recently.

If it is determined by the determination unit 130 that the portable terminal device is connected to the predetermined portable terminal device, the controller 140 outputs a signal to the driver to alert the driver. And the alarm device may be a burglar horn mounted at a predetermined position of the vehicle.

The determination unit 130 and the control unit 140 may be implemented in the electronic control unit (ECU) of the vehicle.

Meanwhile, in order to prevent an unnecessary alarm when the vehicle driver is inside the vehicle while the vehicle is in the off-state, the portable terminal device anti-tamper device may further include a downhill sensing unit 150.

The getting off sensing unit 150 is a sensor capable of sensing the getting off of the driver of the vehicle, and is a sensor mounted at a predetermined position of the vehicle and capable of sensing the driver's getting off. For example, the getting off sensing unit 150 is a pressure sensor mounted at a predetermined position of the driver's seat to sense the pressure applied to the driver's seat.

If it is confirmed that the vehicle is started from ON to OFF through the vehicle sensing unit 110, the determination unit 130 may determine whether the vehicle is in the ON state or not, Check whether the driver gets off the vehicle. If the door lock of the vehicle is detected through the vehicle sensing unit 110 after the getting off of the vehicle driver is confirmed through the getting off sensing unit 150, the determining unit 130 determines It is determined whether or not it is connected to the portable terminal device. If it is determined by the determination unit 130 that the portable terminal device is connected to the predetermined portable terminal device, the controller 140 outputs a signal to the driver to alert the driver.

Hereinafter, the operation of the portable terminal device prevention device will be described in detail with reference to FIG.

First, the control unit 100 that controls the first half of the portable terminal device prevention device detects whether the starting of the vehicle is switched from on to off through a startup on / off detection sensor mounted at a predetermined position of the vehicle (S100).

When the vehicle is switched from ON to OFF, the control unit 100 releases the connection with the portable terminal device connected by short-range wireless communication and switches to the sleep mode (S200).

After switching to the sleep mode, the control unit 100 confirms that the door lock of the vehicle is detected through a door opening / closing detection sensor installed at a predetermined position of the vehicle (S300). At this time, the control unit 100 confirms whether the door lock of the vehicle is detected after the driver leaves the vehicle.

In one embodiment, the control unit 100 can determine whether or not the driver gets off the vehicle through a pressure sensor mounted at a predetermined position of the vehicle driver's seat. Specifically, when the pressure sensed through the pressure sensor of the driver's seat is less than a predetermined value, the control unit 100 determines that the driver of the vehicle is off.

In another embodiment, the control unit 100 may sense the position of the smart key to determine whether the driver of the vehicle is getting off. Specifically, when the control unit 100 detects that the smart key is located outside the vehicle after the start of the vehicle is turned off, the control unit 100 determines that the vehicle driver has left the vehicle.

When the control unit 100 detects the door lock of the vehicle, the control unit 100 retries the connection with the portable terminal device disconnected in step S200 after maintaining the sleep mode for a while (S400).

In one embodiment, the control unit 100 sends out a signal for short-range wireless communication connection with the portable terminal device a plurality of times (for example, five times). When the response signal for the transmitted connection signals is received a predetermined number of times (for example, three times), the control unit 100 determines that the connection with the portable terminal device is possible.

In another embodiment, the control unit 100 transmits a signal for a short-range wireless communication connection with the portable terminal device plural times (for example, five times). If the response signal to the transmitted connection signals is received three or more times consecutively, the control unit 100 determines that connection with the portable terminal device is possible.

If it is determined that connection with the portable terminal device is possible as a result of the connection retry at step S400, the control unit 100 determines whether the portable terminal device in the vehicle is left unattended to the driver through the alarm device (for example, (S500) (S600).

The present invention has been described with reference to the preferred embodiments. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is defined by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof should be construed as being included in the present invention.

100: control unit 110:
120: communication unit 130:
140: control unit 150:

Claims (8)

A vehicle sensing unit for sensing whether the vehicle is turned on and off and whether the door of the vehicle is locked;
A communication unit for short range wireless communication with the portable terminal device;
A determination unit for determining whether the vehicle is connected to the predetermined portable terminal device through the communication unit within a predetermined time after the vehicle is turned on and off and the door lock of the vehicle is detected through the vehicle sensing unit; And
An output unit for outputting an alarm signal when it is determined that the determination unit is connected to the portable terminal device;
Wherein the portable terminal device is a portable terminal device. The method according to claim 1,
Wherein the controller transmits a signal for a short-range wireless communication connection with a predetermined portable terminal device through the communication unit within a predetermined time after the door lock is detected after the vehicle is turned off, Wherein the portable terminal device determines that the portable terminal device is connectable to the portable terminal device when it is received from the terminal device through the communication section. The method according to claim 1,
Wherein the determination unit transmits a signal for short-range wireless communication connection with the portable terminal device through the communication unit a plurality of times, and when a response signal for the transmitted connection signals is received a predetermined number of times or more, Is determined as " 0 ". The method according to claim 1,
Wherein the short range wireless communication is a Bluetooth communication. The method according to claim 1,
Further comprising a departure detecting section for detecting a departure of the driver of the vehicle,
Wherein the determination unit determines whether a connection to a predetermined portable terminal device is established through the communication unit within a predetermined time after the door lock is detected after the driver's departure is detected after the vehicle is turned off, Device for preventing neglect of equipment. The method according to claim 1,
Wherein the predetermined portable terminal device is the device most recently connected through the communication unit. When the vehicle is switched from on to off, disconnecting from a portable terminal device connected by short-range wireless communication and switching to a sleep mode;
Determining whether the door lock of the vehicle is reconnected to the disconnected portable terminal device within a predetermined time after the sleep mode is changed; And
Outputting a warning signal if it is determined to be a connected state;
Wherein the portable terminal device is a portable terminal device. 8. The method of claim 7,
Confirming whether or not the driver of the vehicle is getting off after switching to the sleep mode;
Transmitting a connection signal to the disconnected portable terminal device a plurality of times within a predetermined time when the door lock is confirmed after getting off the driver of the vehicle;
Determining whether or not to reconnect with the disconnected portable terminal device according to whether the response signal to the transmitted connection signals is received from the portable terminal device; And
If the response signal is received three times or more consecutively, determining a connection state;
Further comprising the steps of: detecting a position of the portable terminal device in the vehicle;
KR1020120117963A 2012-10-23 2012-10-23 Device for preventing leave the mobile phone in the vehicle and method thereof KR20140052230A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150128357A (en) * 2014-05-09 2015-11-18 현대자동차주식회사 Method for controlling bluetooth connection
KR101597470B1 (en) * 2014-12-24 2016-02-24 한국오므론전장주식회사 System and method for preventing loss of mobile communication terminal using smart key system
US9468027B2 (en) 2014-05-08 2016-10-11 Hyundai Motor Company Method for controlling a Bluetooth connection
US9667766B2 (en) 2015-02-16 2017-05-30 Hyundai Motor Company Bluetooth control system and method therefor
JP2018067233A (en) * 2016-10-21 2018-04-26 株式会社Ｍｙｔｈ Information processing system
CN113013966A (en) * 2019-12-20 2021-06-22 新加坡商华科全球股份有限公司 Wireless charging device and warning signal generation method thereof
KR20220040587A (en) 2020-09-24 2022-03-31 쌍용자동차 주식회사 Vehicle audio device with smart-phone neglect prevention function and control method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9468027B2 (en) 2014-05-08 2016-10-11 Hyundai Motor Company Method for controlling a Bluetooth connection
KR20150128357A (en) * 2014-05-09 2015-11-18 현대자동차주식회사 Method for controlling bluetooth connection
US9451549B2 (en) 2014-05-09 2016-09-20 Hyundai Motor Company Method for controlling a bluetooth connection
US9480020B2 (en) 2014-05-09 2016-10-25 Hyundai Motor Company Method for controlling a bluetooth connection
KR101597470B1 (en) * 2014-12-24 2016-02-24 한국오므론전장주식회사 System and method for preventing loss of mobile communication terminal using smart key system
US9667766B2 (en) 2015-02-16 2017-05-30 Hyundai Motor Company Bluetooth control system and method therefor
JP2018067233A (en) * 2016-10-21 2018-04-26 株式会社Ｍｙｔｈ Information processing system
CN113013966A (en) * 2019-12-20 2021-06-22 新加坡商华科全球股份有限公司 Wireless charging device and warning signal generation method thereof
KR20220040587A (en) 2020-09-24 2022-03-31 쌍용자동차 주식회사 Vehicle audio device with smart-phone neglect prevention function and control method thereof

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