JP3179256U - Car audio system by wireless communication transmission - Google Patents

Abstract

The present invention provides a car audio system by wireless communication transmission using a car audio display device and a touch operation terminal as a smart phone that can be used independently on the outside in a more simplified system assembly structure.
A main unit provided in a vehicle having a first wireless communication module and a multimedia audio processing device, a smartphone, and a loudspeaker for a main unit of a set of wireless transmission car audio provided in the vehicle. It consists of. The touch panel of the smartphone can be operated to generate commands, transmitted to the main unit by wireless communication, and controlled by the multimedia audio processing device to execute the audio data. The generated audio data is transmitted to the smartphone by wireless communication. The generated sound is broadcast from a car audio main unit loudspeaker.
[Selection] Figure 1

Description

  The present invention relates to a car audio system by wireless communication transmission, and more specifically, a smartphone can be hung on a main unit of a car audio to be used as a car audio display device and a touch operation terminal. The present invention relates to a car audio system by wireless communication transmission that can be used as a smartphone.

  A known car audio system such as a DVD or DVB-T / ATSC / CMMB (digital television) usually includes a main unit system and one or more display panels, and the display panel is usually transmitted from the main unit system. A cable is connected to the main unit system so as to receive and broadcast an analog audio signal such as NTSC or PAL.

  Since the known automobile audio broadcasting system requires complicated wiring, it takes much time to assemble and install the automobile. In response to this problem, the “automobile wireless digital audio system and method thereof” described in Patent Document 1 includes an audio main unit having a memory device and a wireless network interface, and at least one digital audio in the memory device. At least one display device having a file and a wireless network interface and a display panel is provided, connected to the audio main unit by the wireless network interface, and the display device transmits from the audio main unit by the wireless network interface. Receive and broadcast the digital audio file.

Taiwan Patent No.I271333

However, in the prior art, since the design in the prior proposal is a one-to-one system, it is still limited in application, and the assembly of related systems and devices and the broadcasting of audio are troublesome and inconvenient.

Therefore, the present inventor considered that the above-described drawbacks can be improved, and as a result of intensive studies, the present inventor has arrived at a proposal of the present invention that effectively improves the above-described problems with a rational design.

  The present invention has been made in view of such conventional problems. In order to solve the above-described problems, the present invention provides a car with wireless communication transmission that can be used as a car audio display device and a touch operation terminal by putting a smartphone alone on a simpler system assembly structure. The main purpose is to provide an audio system.

In order to solve the above-described problems and achieve the object, a car audio system by wireless communication transmission according to the present invention includes:
A main unit provided in an automobile equipped with a first wireless communication module and a multimedia audio processing device;
At least one smartphone having at least a display device with a touch panel and a second wireless communication module;
A loudspeaker provided in an automobile connected to the main unit;
The multimedia audio processing device is capable of executing audio data of a plurality of different sources, has automobile control computer system information in the automobile, connects CAN bus communication and the main unit, and The vehicle control computer system information data generates an image or digital data by switching the code of the main unit, generates a command by a touch panel operation of the smartphone, transmits the command to the main unit by wireless communication, and transmits the multimedia audio. The audio data is executed by controlling the processing device, and the generated audio data is transmitted and broadcast to the display device of the smartphone by wireless communication, and the generated sound is broadcast from the car audio main unit loudspeaker. To be special To.

In this preferred embodiment, the first and second wireless communication modules of the main unit and the smartphone are Wifi modules. Audio data is transmitted between the main unit and the smartphone using a real-time transport protocol (RTP).

The car audio system by wireless communication transmission according to the present invention further includes a charging device connected to the smartphone via a USB transmission line and capable of charging a battery in the smartphone.

In this preferred embodiment, the audio processing device of the main unit can execute an audio file of CD, DVD, SD memory card or USB, can also implement a wireless television (DVB-T), has a GPS sensor, FM / AM broadcast signals can be executed, and the main unit is also connected to an automotive back camera (Rear Cammera) and an external input terminal (AUX-In).

In this preferred embodiment, the smartphone has a short-range wireless communication (Bluetooth) function, can communicate with a short-range wireless communication device (BT Device), and also includes a GPS module.

In this preferred embodiment, a tablet PC capable of wireless communication transmission is also applicable to the present invention.

The car audio system by wireless communication transmission of the present invention is connected to the main unit and smartphone by radio signal, no complicated wiring in the car is required, the system can be assembled quickly, and the smartphone is taken out of the car alone. Can be used.

  According to the present invention, a car audio system by wireless communication transmission can be obtained.

It is a system structure figure of the present invention. It is a clear diagram of the working principle of the present invention. It is a clear diagram of the navigation function of the present invention. It is the schematic which hung the mobile telephone of this invention on the acoustic main unit.

Embodiments of the present invention will be described below with reference to the drawings. The present invention is not limited to the embodiments described below. First, a first embodiment of a car audio system using wireless communication transmission according to the present invention will be described.
[First Embodiment]
FIG. 1 shows a structure of a car audio system by wireless communication transmission according to the present invention, which is mainly composed of one main unit (Head Unit) 1, a plurality of smartphones (Smart Phone, SP) 2, a set of loudspeakers 3, and a charging device. 4 and the short-range wireless communication device 5. When the single smart phone 2 corresponds to the main unit 1, the smart phone 2 can be hung on the acoustic main unit 1 as shown in FIG. 4 to serve as a car audio display device and a touch operation terminal.

  The present invention is assembled in an automobile, the automobile control computer system information is connected to the main unit 1 by CAN bus (Can Bus) 6 communication, and the control information data of the automobile is generated by code switching of the main unit 1 or Digital data is transmitted to the smartphone 2 by wireless communication and displayed or controlled. The main unit 1 can be a display and control terminal corresponding to a plurality of smartphones 2 by a Wifi transmission system, and can be connected to an information sharing system.

Further, according to FIG. 2, the main unit 1 of the present invention is installed in an automobile and includes a first wireless communication module 11 and a multimedia audio processing device. The first wireless communication module 11 is a Wifi module, and the multimedia audio processing apparatus can execute audio data from a plurality of different sources. The audio processing apparatus can execute CD, DVD, SD memory card or USB audio files, and can also implement wireless television (DVB-T) or FM / AM broadcast signals. The main unit 1 also includes a GPS sensor, or is connected to an automobile back camera (Rear Camnera) or has an external input terminal (AUX-In).

A user interface 12 for operation by a user is provided outside the main unit 1 shown in FIG. 2, and the user interface 12 is used for volume control, radio frequency adjustment, or operation of various functions. Has a button. The micro control unit (MCU) 13 includes a control program, which includes a first wireless communication module 11, an audio mixer / switcher (Video SW Mixer) 14, a volume switch (controller) (Vol. SW DS) 15, and power management. Connected to device 16. The audio mixer / switcher 14 controls the image, the volume switch (controller) 15 controls the loudspeaker 3 of the car audio main unit, and the power management device 16 acquires power from the automobile power system. The main unit 1 is further connected to an automobile travel recording device (Digital Video Recorder) 17.

Further, the present invention corresponds to a plurality of smartphones 2 with one main unit 1. One of the smartphones 2 can be set as a main control device, has a touch panel 21, has a second wireless communication module provided therein, communicates with the first wireless communication module 11 of the main unit 1, and provides a real-time transformer. Audio data is transmitted using the port protocol (RTP). The car audio main unit loudspeaker 3 is installed at an appropriate position in the car and connected to the main unit 1. The loudspeaker 3 of the main unit of the car audio can have a wireless transmission function.

The touch panel 21 of the smartphone 2 generates a command by operation, is transmitted to the main unit 1 by wireless communication, controls the multimedia audio processing device, executes the audio data, and the generated audio data Is transmitted by radio communication to the touch panel 21 and display screen of the smartphone 2 and broadcast, and the generated sound is broadcast from the car audio main unit loudspeaker 3.

The smartphone 2 is equipped with a 3.5G / 4G wireless telephone and a data transmission system, and can be used in automobiles by using cloud technology to realize vehicle tracking, vehicle management, and vehicle allocation management. It is equipped with a system that provides the relevant driving position, records information and responds to the vehicle by 3.5G / 4G wireless telephone and data transmission.

The charging device 4 is connected to the smartphone 2 via a USB transmission line to charge the battery in the smartphone 2.

The smartphone 2 has a short-range wireless communication (Bluetooth) function, communicates with a short-range wireless communication device (BT Device) 5, and as shown in FIG. 3, the smartphone 2 also includes a GPS module (GPS Module), With the GPS antenna module in the main unit 1, the smartphone 2 can also perform a navigation function. The table below shows the source of operation signals for various functions used in the car audio system by wireless communication transmission of the present invention.

Transmission mode
Scope of application
Smartphone (SP)->Command-> Main Unit (Head Unit)
Main Unit (Head Unit)-> Real-time Transport Protocol (RTP (Video))-> Smartphone (SP)
DVD, digital TV
Main unit->Command-> Smartphone (SP),

Main unit-> Real-time transport protocol (RTP (Video))-> Smartphone (SP)

Other functions such as parking support
Smartphone (SP)->Command-> Main Unit (Head Unit)
FM / AM, CD broadcasting
All songs integrated by SP (Source: SP, including main unit-USB / SD)
1. Broadcast songs in SP:
Smartphone (SP)->Command-> Main Unit (Head Unit),
Smartphone (SP)-> Real-time transport protocol (RTP (Audio))-> Main unit (Head Unit)
2. Broadcast songs in the main unit:
Smartphone (SP)->Command-> Main Unit (Head Unit)
MP3
All video integration by SP (Source: SP, including main unit-USB / SD)
Smartphone (SP)->Command-> Main Unit (Head Unit)
Main Unit (Head Unit)-> Real-time Transport Protocol (RTP (Video))-> Smartphone (SP)
video
Smartphone (SP)->Command-> Main Unit (Head Unit)
Smartphone (SP)-> Real-time transport protocol (RTP (Audio))-> Main unit (Head Unit)
GPS
Near Field Communication Device (Bluetooth Device)-> Smartphone (SP)->Command-> Main Unit (Head Unit),
Smartphone (SP)-> Real-time transport protocol (RTP (Audio))-> Main unit (Head Unit)
Or (or)
Main unit-> Real-time transport protocol (RTP (Video))-> Smartphone (SP)
Near field communication device

The car audio system by wireless communication transmission of the present invention is connected to the main unit 1 and the smartphone 2 by radio signals, does not require complicated wiring in the car, and the system can be assembled quickly, and usually the car audio main unit. It is clear that the smartphone 2 that is hung on the phone can be taken out of the vehicle and used alone. In general, a bullet PC capable of a wireless communication function has a slightly large size standard, but can still be applied to the present invention.

As mentioned above, although embodiment of this invention was explained in full detail with reference to drawings, the concrete structure is not restricted to this embodiment, The design change etc. of the range which does not deviate from the summary of this invention are included.

1 Main unit
11 First wireless communication module
12 User interface
13 Micro control unit
14 Audio mixer switcher 15 Volume switch (controller)
16 Power management device
17 Car travel recording device
2 Smartphone
21 Touch panel
3 Loudspeaker
4 Charger
5 Near field communication equipment
6 CAN bus

In this preferred embodiment, the smartphone has a short-range wireless communication (Bluetooth ^{registered trademark} ) function, can communicate with a short-range wireless communication device (BT Device), and also includes a GPS module.

It is a system structure figure of the present invention. It is explanatory drawing of the working principle of this invention. It is explanatory drawing of the navigation function of this invention. It is the schematic which hung the mobile telephone of this invention on the acoustic main unit.

The smartphone 2 has a short-range wireless communication (Bluetooth ^{registered trademark} ) function and communicates with the short-range wireless communication device (BT Device) 5, and the smartphone 2 also has a GPS module as shown in FIG. 3. It is also possible for the smartphone 2 to fulfill the navigation function with the GPS antenna module in the main unit 1. The table below shows the source of operation signals for various functions used in the car audio system by wireless communication transmission of the present invention.

Transmission mode
Scope of application
Smartphone (SP)->Command-> Main Unit (Head Unit)
Main Unit (Head Unit)-> Real-time Transport Protocol (RTP (Video))-> Smartphone (SP)
DVD, digital TV
Main unit->Command-> Smartphone (SP),

Main unit-> Real-time transport protocol (RTP (Video))-> Smartphone (SP)

Other functions such as parking support
Smartphone (SP)->Command-> Main Unit (Head Unit)
FM / AM, CD broadcasting
All songs integrated by SP (Source: SP, including main unit-USB / SD)
1. Broadcast songs in SP:
Smartphone (SP)->Command-> Main Unit (Head Unit),
Smartphone (SP)-> Real-time transport protocol (RTP (Audio))-> Main unit (Head Unit)
2. Broadcast songs in the main unit:
Smartphone (SP)->Command-> Main Unit (Head Unit)
MP3
All video integration by SP (Source: SP, including main unit-USB / SD)
Smartphone (SP)->Command-> Main Unit (Head Unit)
Main Unit (Head Unit)-> Real-time Transport Protocol (RTP (Video))-> Smartphone (SP)
video
Smartphone (SP)->Command-> Main Unit (Head Unit)
Smartphone (SP)-> Real-time transport protocol (RTP (Audio))-> Main unit (Head Unit)
GPS
Short-range wireless communication device (Bluetooth ^{registered trademark} Device)-> Smartphone (SP)->Command-> Main unit (Head Unit),
Smartphone (SP)-> Real-time transport protocol (RTP (Audio))-> Main unit (Head Unit)
Or (or)
Main unit-> Real-time transport protocol (RTP (Video))-> Smartphone (SP)
Near field communication device

Claims (17)

A main unit provided in an automobile equipped with a first wireless communication module and a multimedia audio processing device;
At least one smartphone having at least a display device with a touch panel and a second wireless communication module;
A loudspeaker provided in an automobile connected to the main unit;
The multimedia audio processing device is capable of executing audio data of a plurality of different sources, has automobile control computer system information in the automobile, connects CAN bus communication and the main unit, and The vehicle control computer system information data generates an image or digital data by switching the code of the main unit, generates a command by a touch panel operation of the smartphone, transmits the command to the main unit by wireless communication, and transmits the multimedia audio. The audio data is executed by controlling the processing device, and the generated audio data is transmitted and broadcast to the display device of the smartphone by wireless communication, and the generated sound is broadcast from the car audio main unit loudspeaker. To be special Car audio system by wireless communication transmitting to.   The car audio system by wireless communication transmission according to claim 1, wherein the first and second wireless communication modules of the main unit and the smartphone are Wifi modules.   The car audio system by wireless communication transmission according to claim 1, wherein audio data is transmitted between the main unit and the smartphone by a real-time transport protocol (RTP).   The car audio system by wireless communication transmission according to claim 1, further comprising a charging device connected to the smartphone by a predetermined USB transmission line.   2. The car audio system by wireless communication transmission according to claim 1, wherein the multimedia audio processing apparatus of the main unit is capable of executing CD, DVD, SD memory card, and USB audio files.   The car audio system by wireless communication transmission according to claim 1, wherein the multimedia audio processing device of the main unit can be implemented by a wireless television.   The car audio system by wireless communication transmission according to claim 1, wherein the main unit includes a GPS sensor.   The car audio system according to claim 1, wherein the audio processing device of the main unit implements FM / AM broadcast signals.   The car audio system according to claim 1, wherein the main unit is connected to a rear camera for a car.   The car audio system by wireless communication transmission according to claim 1, wherein the main unit is further connected to a digital video recorder.   The car audio system according to claim 1, wherein the main unit includes an external input terminal (AUX-In).   The car audio system by wireless communication transmission according to claim 1, wherein the smart phone and the short-range wireless communication device (BT Device) communicate with each other.   The car audio system by wireless communication transmission according to claim 1, wherein the smartphone includes a GPS module.   The smart phone is equipped with a 3.5G / 4G wireless phone and a data transmission system, a GPS system is placed in the 3.5G / 4G wireless phone and the data transmission system, and the 3.5G / 4G wireless phone and the data transmission system are used. The car audio system by wireless communication transmission according to claim 1, wherein the car is provided with a related travel position, information is recorded, and a response is made. The main unit is
A user interface that is placed outside and operated by the user,
A micro control unit (MCU),
An audio mixer / switcher (Video SW Mixer) connected to the micro control unit;
A volume switch (controller) (Vol. SW DS) connected to the micro control unit to control the loudspeaker;
A power management device connected to the micro control unit to obtain power from the vehicle power system;
The car audio system by wireless communication transmission according to claim 1, comprising:   The car audio system according to claim 15, wherein the user interface has at least one button. A main unit provided in an automobile including at least a first wireless communication module and a multimedia audio processing device;
At least one tablet PC including at least a display device having a touch panel and a second wireless communication module;
A loudspeaker provided in an automobile connected to the main unit;
The multimedia audio processing device is capable of executing audio data of a plurality of different sources, has automobile control computer system information in the automobile, connects CAN bus communication and the main unit, and The vehicle control computer system information data generates an image or digital data by switching the code of the main unit, generates a command by a touch panel operation of the tablet PC, and transmits the command to the main unit by wireless communication. The audio processing device is controlled to execute the audio data, and the generated audio data is transmitted to the smartphone display device by wireless communication and broadcast, and the generated sound is transmitted from the car audio main unit loudspeaker. Specially broadcast Car audio system by wireless communication transmitting to.

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