JP4156192B2 - In-vehicle electronic device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an in-vehicle electronic device capable of hands-free calling and network communication.
[0002]
[Prior art]
In recent years, the spread of automobile phones or mobile phones has been remarkable, and the number of accidents caused by the use of mobile phones while driving a car has increased rapidly, and the use of mobile phones while driving has been prohibited by law. For this reason, a hands-free function that can talk without having a mobile phone is in the spotlight. If the hands-free function is used, the driver can talk without having a mobile phone, so that an accident due to one-handed driving can be prevented.
[0003]
On the other hand, mobile phones that can be connected to a network are also widely used, and electronic mail and contents received from the network can be displayed on an in-vehicle electronic device such as a car audio device or a car navigation device. As the network, a dedicated network for emergency calls, a general personal computer communication network, the Internet, and the like are used.
[0004]
[Problems to be solved by the invention]
However, in the conventional in-vehicle electronic device, in order to perform a hands-free call, the mobile phone has to be connected to the in-vehicle electronic device using a dedicated adapter, and there is a problem that the connection cord becomes an obstacle. . In addition, when performing network communication, it is necessary to connect to the on-vehicle electronic device via a dedicated adapter, and the connection cord becomes an obstacle and the driver sees the e-mail displayed on the display while driving. As a result, there was a problem that the attention to the front was lost.
[0005]
The present invention solves such a conventional problem, enables hands-free calling and network communication without a connection cord, and can know the contents of received e-mails and the like without looking at the display unit. An object is to provide an in-vehicle electronic device.
[0006]
[Means for Solving the Problems]
The in-vehicle electronic device according to the present invention includes a communication unit that receives text data from the outside, a display unit that displays text based on the text data received by the communication unit, and converts the text data received by the communication unit into voice data. A text data / speech conversion unit and a speaker that outputs voice based on the voice data converted by the text data / speech conversion unit, and a plurality of text data received by the communication unit are displayed as text on the display unit. The text data / speech conversion means converts the text data received by the communication means into speech data when it has a data amount to be in a row .
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic block diagram of an in-vehicle audio apparatus according to an embodiment of the present invention. In FIG. 1, a cellular phone 1 that can be connected to the Internet includes a Bluetooth 2 that is a short-range wireless device. One in-vehicle audio apparatus 3 also includes the same Bluetooth 4. Bluetooth 2 and 3 are short-range wireless data communication technologies capable of exchanging data within a range of about 10 meters, and various profiles are defined for each application. Here, profiles for cordless phones are used. Yes. With a profile for a cordless telephone, a telephone call can be made using one of the three audio channels provided by Bluetooth while browsing the WWW on the Internet.
[0009]
The in-vehicle audio device 3, the Bluetooth 4 is connected to CPU 5, monitors the operation of the Bluetooth 4, when a Bluetooth 4 receives a speech signal controls the hands-free unit 6, the hands-free unit 6 Makes a hands-free call using the microphone 7 provided at the center of the steering wheel or the lower part of the rearview mirror and the right speaker 8 provided on the right side of the dashboard and close to the driver. The right speaker 8 is a two-channel speaker of the audio unit 15 paired with the left speaker 9. When the Bluetooth 4 receives text data, the CPU 5 controls the text data / voice conversion unit 12 and the display control unit 13 to convert the text data into a voice signal and output it from the right speaker 8. The mail content is displayed on the liquid crystal display unit 14. The audio unit 15 includes an AM or FM radio broadcast, a CD deck, an MD deck, a cassette tape player, and the like. One of the sound sources is selected by a user operation and is output from the right speaker 8 and the left speaker 9 as stereo sound. . The CPU 5 connects the interlock switches 10 and 11 to the audio unit 15 side in the normal mode, and connects the interlock switches 10 and 11 to the text data / speech conversion unit 12 and the display control unit 13 side in the communication mode. To do.
[0010]
Next, the operation of the in-vehicle audio apparatus according to the present embodiment will be described with reference to the flowchart of FIG. In FIG. 2, when there is an incoming call to the cellular phone 1, first, data is transmitted from the Bluetooth 2 on the portable side to the Bluetooth 4 on the vehicle side (step S1). The CPU 5 is notified of whether the incoming call is a phone call or mail, and the CPU 5 switches the interlocking switches 10 and 11 from the normal mode to the communication mode (step S2). In the case of a telephone call, the CPU 5 controls the hands-free unit 6 to enable a call. The user inputs voice from the microphone 7 and the right speaker 8 outputs the voice of the other party, so that a hands-free call is performed. (Step S8). In the case of e-mail, the CPU 5 controls the display control unit 13 to display the content of the e-mail on the liquid crystal display unit 14 (step S4) and is in a voice conversion mode in which the e-mail content is output by voice. (Step S5-1), the text data / speech conversion unit 12 is controlled to convert the text data into speech data and output from the right speaker 8 (Step S6). Further, even when the voice conversion mode is not set, if the data amount of the e-mail exceeds a predetermined value, that is, covers a plurality of lines such that the contents of the e-mail displayed on the liquid crystal display unit 14 cannot be understood at a glance (step S5-2). Similarly, the text data / voice conversion unit 12 is controlled to convert the text data into voice data and output from the right speaker 8 (step S6). And, when the user ends the hands-free call or the reception of the text data and operates the end switch provided at the center of the handlebar or the lower part of the rearview mirror, or when a certain time has passed, The process ends.
[0011]
Thus, in this embodiment, when a call is made to the mobile phone 1 or an e-mail is sent via the Internet, data is sent from the Bluetooth 2 on the mobile side to the Bluetooth 4 on the vehicle side, and the CPU 5 However, in the case of a phone call, the hands-free unit 6 is controlled to make a hands-free call. In the case of an e-mail, the display control unit 13 is controlled to display the mail contents on the liquid crystal display unit 14 as well as text. Since the data / speech conversion unit 12 is controlled to convert to voice and output from the right speaker 8 close to the driver, the driver can perform hands-free calling and mail reception while concentrating on driving. .
[0012]
In addition, although the said embodiment is an example which applied this invention to the vehicle-mounted audio, this invention is applicable also to the vehicle-mounted navigation which has a speaker and a liquid crystal display part. When switching from the normal mode to the communication mode, the normal mode display is not completely switched to the communication mode display, but the normal mode display and the communication mode display are both divided into screens and displayed. You may do it. Further, although the Internet is taken as an example of network communication, communication using a network for personal computer communication or dedicated communication may be used.
[0013]
【The invention's effect】
As described above, the present invention includes a portable short-range wireless device mounted on a mobile phone, and a vehicle-mounted short-range wireless device that performs data communication between the portable short-range wireless device, Hands-free calling means for sending and receiving audio signals to / from the vehicle-mounted short-range wireless device and performing hands-free calling with a microphone and a speaker, and text data from the vehicle-mounted short-range wireless device are displayed on the display unit It comprises display control means and text data / speech conversion means for receiving text data from an in-vehicle short-range wireless device, converting it into voice data, and outputting it from the speaker. In addition to being able to communicate with the network and know the content of received e-mails etc. without looking at the display, it can contribute to safe driving With the results.
[Brief description of the drawings]
FIG. 1 is a schematic block diagram showing the configuration of an in-vehicle audio device in an embodiment of the present invention. FIG. 2 is a flowchart showing the operation of the in-vehicle audio device in an embodiment of the present invention.
DESCRIPTION OF SYMBOLS 1 Cellular phone connected to the Internet 2 Bluetooth on the mobile side 3 In-vehicle audio device 4 Bluetooth on the in-vehicle side 5 CPU
6 Hands-free unit 7 Microphone 8 Right speaker 9 Left speaker 10, 11 Link switch 12 Text / speech conversion unit 13 Display control unit 14 Liquid crystal display unit 15 Audio unit

Claims (2)

A communication means for receiving text data from outside;
Display means for displaying text based on the text data received by the communication means;
Text data / voice conversion means for converting text data received by the communication means into voice data;
A speaker that outputs voice based on the voice data converted by the text data / voice conversion means;
When the text data received by the communication means has a data amount that becomes a plurality of lines when displayed as text on the display means, the text data / speech conversion means converts the text data received by the communication means into voice data. An in- vehicle electronic device characterized by converting . When the text data received by the communication means has a data amount that does not become a plurality of lines even if displayed as text on the display means, the text data / speech conversion means converts the text data received by the communication means into voice data. The in-vehicle electronic device according to claim 1, which is not converted.

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