KR20120137851A - Vehicle multimedia apparatus for call mode change according to the vehicle's starting status - Google Patents

Vehicle multimedia apparatus for call mode change according to the vehicle's starting status Download PDF

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Publication number
KR20120137851A
KR20120137851A KR1020110056976A KR20110056976A KR20120137851A KR 20120137851 A KR20120137851 A KR 20120137851A KR 1020110056976 A KR1020110056976 A KR 1020110056976A KR 20110056976 A KR20110056976 A KR 20110056976A KR 20120137851 A KR20120137851 A KR 20120137851A
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KR
South Korea
Prior art keywords
vehicle
call mode
smartphone
phone
communication
Prior art date
Application number
KR1020110056976A
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Korean (ko)
Inventor
이승용
Original Assignee
현대모비스 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 현대모비스 주식회사 filed Critical 현대모비스 주식회사
Priority to KR1020110056976A priority Critical patent/KR20120137851A/en
Publication of KR20120137851A publication Critical patent/KR20120137851A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/02—Details of telephonic subscriber devices including a Bluetooth interface

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)

Abstract

PURPOSE: A vehicle multimedia apparatus and a method thereof according to a vehicle starting state are provided to switch a handsfree calling mode into a phone calling mode in case it is impossible to perform a handsfree calling mode operation of a smart phone. CONSTITUTION: A communication unit(210) performs local area communication. A control unit(220) transfers a phone call mode active message to a smart phone through the communication unit in order for the smart phone to be switched from a handsfree call mode into a phone call mode. The control unit connects a communication channel between the communication unit and the smart phone. The control unit transmits a calling mode active message to the smart phone through the communication channel. [Reference numerals] (200) Vehicle multimedia apparatus; (210) Communication unit; (220) Control unit; (AA) Bluetooth; (BB) UART

Description

Vehicle multimedia device for call mode change according to the vehicle's starting status}

The present invention relates to a vehicle multimedia device, and more particularly, to a vehicle multimedia device supporting a hands-free call mode of a smartphone.

In-vehicle multimedia devices, such as AVN (Audio, Video, Navigation) head units, support the hands-free call mode of smartphones in vehicles. To this end, the vehicle multimedia apparatus includes a short range communication module such as a Bluetooth module. This allows the driver to talk easily in hands-free mode. By the way, when the vehicle is turned off during the call in the hands-free mode in the prior art, the smart phone has a problem of maintaining the hands-free mode as it is. Accordingly, normal communication is not made even in the phone call mode and the hands-free call mode until the smartphone is completely disconnected from the vehicle multimedia device or the phone mode is changed. Table 1 shows the results of the investigation of the operation of the currently released smartphone.

division action User selection
Android family Optimus-Z
Optimus-Q
Galuxy-S
Vega
Keeps hands free even when talking on phone
※ Issue: I switched off the car and talked on my phone






Switch phone call mode (secret call mode) on your phone BlackBerry series BlackBerry Phone Windows Mobile Omnia 2



IPhone series



IPhone Remains the previous call when talking on the phone. If the previous call was in hands-free call mode, it remains in hands-free call mode; if it was in phone call mode, it remains in phone call mode.
a. If the phone is called by ACC off during hands-free call: No problem [OK]
b. If you hang up during hands-free call, ACC off and call on phone: Hands-free call [Problem]

As a result of the above smart phone operation survey, in the situation where the communication connection for the hands-free operation of the smart phone is maintained, the mobile phone is forcibly switched to the hands-free mode even when the call is re-called even if the call is switched to the secret call. Even if the driver attempts to make a call with the smartphone while the vehicle is turned off, the smartphone is set to the hands-free call mode, which causes inconvenience in that the call cannot be made.

An object of the present invention is to provide a vehicle multimedia device and a method thereof, which can immediately switch to a phone call mode when a hands-free call mode operation of a smartphone is not possible due to a vehicle starting off.

According to an aspect of the present invention, there is provided a vehicle multimedia apparatus including a communication unit for short-range communication, and when the vehicle is turned off (ACC off), the smartphone is in a hands-free call mode to a phone call mode. And a controller for transmitting the phone call mode activation message to the smartphone through the communication unit.

The controller controls the communication channel to be connected between the communication unit and the smartphone when the ACC on of the vehicle is confirmed, and transmits the hands-free call mode activation message to the smartphone through the communication channel. It is done.

The controller may receive starting information of the vehicle from an electronic control unit for electronically controlling at least a part of the vehicle, and confirm starting of the vehicle or starting of the vehicle.

On the other hand, the method of changing the call mode of the smart phone according to the vehicle starting state performed in the vehicle multimedia apparatus according to an aspect of the present invention for achieving the above technical problem, when the vehicle is started on (ACC on), Connecting a short-range communication channel, transmitting a hands-free call mode activation command message to the smartphone through the communication channel, and when the vehicle is ACC on, the smartphone is in the hands-free call mode. Delivering the phone call mode activation message to the smartphone via the communication channel to switch to a call mode.

The vehicle multimedia apparatus according to the present invention causes the call mode of the smartphone to be forcibly switched from the hands-free call mode to the phone call mode immediately after the vehicle is turned off, thereby creating an effect of eliminating user inconvenience.

1 is an overall system configuration for changing a call mode according to an embodiment of the present invention.
2 is a flowchart illustrating a method for changing a call mode according to a vehicle starting state 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. Hereinafter, the present invention will be described in detail to enable those skilled in the art to easily understand and reproduce the present invention.

1 is an overall system configuration for changing a call mode according to an embodiment of the present invention.

As shown, the system includes a smartphone 100 and a vehicle multimedia device 200. The smartphone 100 has a hands-free call mode and a phone call mode. For hands-free call mode, the smartphone 100 includes a short range communication module for short range communication with the vehicle multimedia apparatus 200. The short range communication module may be a Bluetooth module. In one embodiment, the smartphone 100 activates the hands-free call mode or the phone call mode according to the call mode command message transmitted from the vehicle multimedia apparatus 200 through the short range communication. The vehicle multimedia apparatus 200 refers to a multimedia apparatus embedded in a vehicle, and may be an AVN head unit. As shown, the vehicle multimedia apparatus 200 includes a communication unit 210 and a control unit 220. The communication unit 210 is preferably a short range communication module. In one embodiment, the communication unit 210 is a Bluetooth module. The controller 220 may be a main CPU for overall control of the vehicle multimedia apparatus 200. In one embodiment, the controller 220 executes a Bluetooth application (BT Application) to hands-free call of the smartphone 100 through the Bluetooth communication with the smartphone 100 through the communication between the Bluetooth application and the Bluetooth module 210 Mode is supported. Herein, communication between the controller 220 and the Bluetooth module 210 may be performed according to a universal asynchronous receiver / transmitter (UART) scheme. Hereinafter, an overall operating embodiment of the system including the smartphone 100 and the vehicle multimedia apparatus 200 will be described.

When the vehicle start-up (ACC on) is confirmed, the controller 220 executes a Bluetooth application to perform a process for searching for a Bluetooth device located in the vicinity of the vehicle multimedia device 200. In one embodiment, an electronic control unit for electronically controlling at least a portion of a vehicle provides vehicle on / start off information to the vehicle multimedia device 200. Accordingly, the controller 220 may check the starting state of the vehicle. Here, the electronic control unit and the vehicle multimedia apparatus 200 are connected to a can (Controller Area Network, CAN) to communicate with each other, and the electronic control unit transmits vehicle start information to the vehicle multimedia apparatus 200 through CAN communication. Can be.

When the smartphone 100 is found by the Bluetooth device search, the controller 220 performs a process so that a Bluetooth communication channel is connected between the Bluetooth module 210 and the smartphone 100. In one embodiment, when the Bluetooth communication channel is connected between the Bluetooth module 210 and the smartphone 100, the controller 220 provides a command message for activating the hands-free call mode via the Bluetooth module 210. ). Alternatively, the controller 220 may transmit a command message for activating the hands-free call mode to the smartphone 100 through the Bluetooth module 210 when a user command is received through the user interface of the vehicle multimedia apparatus 200. The smartphone 100 receiving the hands-free call mode activation command message activates the hands-free call mode. In another embodiment, when the Bluetooth communication channel is connected between the Bluetooth module 210 and the smartphone 100, the smartphone 100 automatically activates the hands-free call mode.

On the other hand, if the start-up (ACC off) is confirmed after the vehicle start-up, the controller 220 transmits a command message for activating the phone call mode to the smart phone 100 through the Bluetooth module 210. That is, the controller 220 is to force the call mode of the smart phone 100 to the hands-free call mode when the vehicle is turned off. In response, the smartphone 100 switches the hands-free call mode from the hands-free call mode to the phone call mode.

2 is a flowchart illustrating a method for changing a call mode according to a vehicle starting state according to an embodiment of the present invention.

When the vehicle start is turned on (ACC on), the electronic control unit 300 transmits information indicating that the vehicle start is on (ACC on) to the vehicle multimedia apparatus 200 (S100). The controller 220 of the vehicle multimedia apparatus 200 that is notified that the vehicle is started is searched for the smartphone 100, which is a Bluetooth device, through the Bluetooth module 210, and the retrieved smartphone 100 and the Bluetooth module 210 are detected. Connect a Bluetooth communication channel between the (S200). Thereafter, when the user selects the hands-free call mode through the graphic user interface of the vehicle multimedia apparatus 200, the controller 220 sends a command message for activating the hands-free call mode to the smartphone 100 through the Bluetooth module 210. Transfer (S300) (S400). The smartphone 100 activates the hands-free call mode (S500). Thereafter, when the vehicle start is off (ACC off), the electronic control unit transmits the information indicating that the vehicle start is off to the vehicle multimedia apparatus 200 (S600). The controller 220 of the vehicle multimedia apparatus 200 that is notified that the vehicle is started off immediately transmits a command message to the smartphone 100 via the Bluetooth module 210 to switch the call mode from the hands-free call mode to the phone call mode. (S700). In response, the smartphone 100 switches the call mode from the hands-free call mode to the phone call mode (S800).

So far I looked at the center of the preferred embodiment for the present invention. 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: smartphone 200: vehicle multimedia device
210: communication unit (Bluetooth module) 220: control unit
300: electronic control unit (ECU)

Claims (5)

Communication unit for short-range communication; And
A controller configured to transmit the phone call mode activation message to the smartphone through the communication unit so that the smartphone switches from the handsfree call mode to the phone call mode when the vehicle is turned off (ACC off);
Vehicle multimedia device capable of changing the call mode of the smartphone according to the vehicle starting state, comprising a. The method of claim 1,
The controller controls the communication channel to be connected between the communication unit and the smartphone when the ACC on of the vehicle is confirmed, and transmits the hands-free call mode activation message to the smartphone through the communication channel. Vehicle multimedia device capable of changing the call mode of the smartphone according to the vehicle start state. The method of claim 2,
The control unit receives a startup information of the vehicle from an electronic control unit for electronically controlling at least a portion of the vehicle and confirms starting or starting of the vehicle. Vehicle multimedia device with mode change. The method according to claim 1 or 2,
The communication unit may change the communication mode of the smart phone according to the vehicle start state, characterized in that the Bluetooth module. Connecting a local area communication channel with the smartphone when the vehicle is on (ACC on);
Delivering a hands-free call mode activation command message to the smartphone via the communication channel; And
When the vehicle is ACC on, transmitting the phone call mode activation message to the smartphone through the communication channel such that the smartphone switches from the handsfree call mode to the phone call mode;
Method for changing the call mode of the smart phone according to the vehicle starting state performed in the vehicle multimedia apparatus comprising a.
KR1020110056976A 2011-06-13 2011-06-13 Vehicle multimedia apparatus for call mode change according to the vehicle's starting status KR20120137851A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110056976A KR20120137851A (en) 2011-06-13 2011-06-13 Vehicle multimedia apparatus for call mode change according to the vehicle's starting status

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110056976A KR20120137851A (en) 2011-06-13 2011-06-13 Vehicle multimedia apparatus for call mode change according to the vehicle's starting status

Publications (1)

Publication Number Publication Date
KR20120137851A true KR20120137851A (en) 2012-12-24

Family

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Application Number Title Priority Date Filing Date
KR1020110056976A KR20120137851A (en) 2011-06-13 2011-06-13 Vehicle multimedia apparatus for call mode change according to the vehicle's starting status

Country Status (1)

Country Link
KR (1) KR20120137851A (en)

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