JP2003152884A - Car navigation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a car navigation system that is available for manual remote control and voice remote control and can remote-control a mobile phone. SOLUTION: When a user selects a remote control mode and uses the mobile phone 2 to make key operations, the mobile phone 2 transmits the key operation signal to the car navigation system 1, which executes operations in response to the key operation signal. When the user selects a speech recognition mode and utters voice, a microphone 20 of the mobile phone 2 picks up the voice and the mobile phone 1 transmits the voice signal to the car navigation system 1, which uses a speech recognition section 16 to recognize the voice signal and executes operations in response to the result of recognition. When the user selects a phone mode and uses the car navigation system 1 to make dialing, the car navigation system 1 transmits the dial number to the mobile pone 2, and the mobile phone 2 makes a call to the dial number.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a car navigation device which enables a mobile phone to be used as a remote control device or the like.

[0002]

Some of the conventional car navigation devices are capable of manual remote control and voice remote control. This car navigation device is equipped with a remote control device for manual remote control, and is equipped with a microphone for voice input for voice remote control. However, this requires dedicated parts for each function, such as a remote control device for manual remote control and a microphone for remote control by voice, which has been a factor of cost increase.

The present invention has been made in view of the above circumstances, and an object thereof is to perform a remote operation by a manual operation and a remote operation by a voice, the remote operation using a key of a mobile telephone and a microphone thereof. It is an object of the present invention to provide a car navigation device that can be operated and can operate a mobile telephone by the car navigation device.

[0004]

According to the present invention, when a remote operation mode is selected and a key operation is performed on a mobile phone, a key operation signal of the mobile phone is transmitted to the car navigation device, and the car navigation device uses the key. Performs an operation according to the operation signal. Also, when the voice recognition mode is selected and the user makes a voice, the voice is input to the microphone of the mobile phone, the voice signal is transmitted from the mobile phone to the car navigation device, and the car navigation device receives the voice signal. Is recognized, and the operation according to the recognition result is performed. Further, when the telephone mode is selected and the dial number is input by the switch of the car navigation device, the dial number is transmitted from the car navigation device to the mobile telephone, and the mobile telephone makes a call to the dial number destination.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an electrical configuration of a car navigation device 1 and a mobile phone 2 as a mobile phone. As shown in FIG. 1, the car navigation device 1 includes a control unit 3 as control means, a map data storage device 4, a position detection device 5, a display device 6 as display means, and an operation switch group 7 as operation means. A speaker 8 is provided as an audio output means.

The control unit 3 controls the entire operation of the car navigation device 1, and is mainly composed of a microcomputer. That is, the control unit 3
It is configured to include a PU, a ROM, a RAM, an I / O, a bus connecting these (not shown), and the like. Of these, the ROM stores an execution program for operating the car navigation device 1, and the like.
In M, temporary data when the program is executed, map data acquired from the map data storage device 4, and the like are temporarily stored.

The map data storage means 4 is, for example, VD-R.
An information storage medium such as an OM and a reading device that reads map data from the information storage medium, and the reading device reads the map data and the map matching data.
The data for guiding the route by voice, the search data for searching the position on the map from the place name, and the like are read from the information recording medium and input to the control unit 3.

The position detecting device 5 is composed of a gyroscope, a distance sensor, a GPS (Global Positioning System) receiver, and the like. Since these sensors have detection errors of different properties, by combining these sensors, it is possible to perform highly accurate position detection while mutually correcting the detection errors. Depending on the required detection accuracy, it is not necessary to include all the sensors, and it is possible to appropriately select and provide them.

[0009] The display 6 comprises a display screen such as a liquid crystal display, and can display map data, characters or symbols on the display screen. The operation switch group 7 is used for inputting data and inputting setting items. For example, various operation switches such as a touch panel switch and a mechanical switch integrally provided on the display unit 6 are used. It is configured.

The control unit 3 has a function of setting a route to a destination and a traveling guide function of giving a voice from the speaker 8 to indicate a traveling direction of the vehicle according to the route. That is, when the destination or the passing point is input by operating the operation switch group 7 or the mobile phone 2 as described later, or uttering a voice,
The optimum route from the current position to the destination via the passing point is automatically set, and the destination route is displayed on the map displayed on the display screen of the display unit 6. Then, when approaching a branch point or an intersection, the speaker 8 outputs a voice in a direction in which the vehicle should travel.

The car navigation system 1 includes various devices necessary for the car navigation, and first to third mode setting switches 9 to 1 as selection operation means.
1, a dial unit 12 as a dial number input unit, a Bluetooth communication unit 13 as a transmission / reception unit, a received data storage unit 14, a remote operation analysis unit 15 as a remote operation analysis unit, a voice recognition unit 16 as a voice recognition unit, and a telephone. The telephone function unit 17 as a remote control means is provided.
The first to third mode setting switches 9 to 11 and the dial section 12 are composed of a touch panel switch, a mechanical switch and the like.

Of the three mode setting switches 9 to 11, the first mode setting switch 9 is for setting a manual remote control mode, and the second mode setting switch 10 is for remote control by voice. For setting the voice recognition mode of the third mode setting switch 1
1 is a mobile phone 2 by the car navigation device 1.
Is for setting the telephone mode for remote control of the. In this car navigation device 1, the initial mode is the manual operation mode, and after changing to the remote operation, voice recognition, and telephone modes described above, the original manual operation mode can be restored by using the operation switch group 7. Operate our cancel switch. The manual operation mode is a mode in which an operation for inputting a destination or a passing point or setting a route to the input destination is performed by manually operating the operation switch group 7. .

The above-mentioned first to third setting switches 9 to 11
The mode selected by and canceled by the cancel switch is sent from the control unit 3 to the reception data storage unit 13 and the telephone function unit 17. The telephone function unit 17 sends the signal sent from the control unit 3 to the Bluetooth communication unit 13. The Bluetooth communication unit 13 sends and receives radio wave signals to and from the mobile phone 2. Therefore, the mode setting signal sent from the control unit 3 to the phone function unit 17 is sent from the Bluetooth communication unit 13 to the mobile phone 2. It

The Bluetooth communication unit 13 is the mobile phone 2
The signal received from is stored in the received data storage unit 14. Then, the reception data storage unit 14 recognizes the mode set by the mode setting signal from the control unit 3, and supplies the reception data to the remote operation analysis unit 15 or the voice recognition unit 16 according to the recognition mode. Or give it to the telephone function unit 17.

The remote operation analysis unit 15 determines the content of the remote operation from the remote operation signal given from the received data storage unit 14 and gives it to the control unit 3, and the control unit 3 gives the remote operation analysis unit 15.
The operation is performed according to the remote operation content determined by. The voice recognition unit 16 recognizes the voice signal given from the received data storage unit 14 and gives the recognition result to the control unit 3. The control unit 3 performs an operation according to the recognition result of the voice recognition unit 16.

When the dial unit 12 is operated, the telephone function unit 17 receives the operated dial number from the control unit 3 and transmits it to the mobile phone 2 via the Bluetooth communication unit 13. In addition, the telephone function unit 17 includes the received data storage unit 1
When a voice signal is given from 4, the control unit 3 sends the voice signal to the control unit 3, and the control unit 3 outputs the voice signal to the speaker 8 and outputs the voice from the speaker 8.

In contrast to the car navigation device 1 as described above, the mobile phone 2 has a control unit 18 as a control means,
Transmitter / receiver 19, microphone 2 for inputting the transmitted voice
0, a speaker 21 for outputting a received voice, a display 22 having a liquid crystal display screen, a key switch group 23, and the like, and a Bluetooth communication unit 24 as a transmitting / receiving means of the mobile phone 2. The control unit 18 is mainly composed of a microcomputer and controls the entire operation of the mobile phone 2. The transmission / reception unit 19 transmits / receives radio waves to / from a base station of the mobile phone network, and the Bluetooth communication unit 24
It transmits and receives with the car navigation device 1 by radio waves.

The Bluetooth communication unit 24 sends and receives signals to and from the Bluetooth communication unit 13 of the car navigation device 1 by radio waves. When the Bluetooth communication unit 24 receives the mode setting signal from the Bluetooth communication unit 13 of the car navigation device 1, the control unit 18 sets the mobile phone 2 to the same mode as the mode set in the car navigation device 1. The mode setting of the mobile phone 2 may be performed by operating the key switch group 23.

When the key switch group 23 is operated in a state where the remote operation mode is set, the control unit 18 sends a key operation signal corresponding to the operated key switch via the Bluetooth communication unit 24 to the car navigation device. Send to 1.

When voice is input to the microphone 20 in the voice recognition mode, the control unit 20
Transmits the audio signal to the car navigation device 1 via the Bluetooth communication unit 24. Furthermore, when a voice is input to the microphone 20 in the telephone mode selected, the control unit 20 transmits the voice signal to the base station via the transmitting / receiving unit 19. When the transmitting / receiving unit 19 receives the reception signal in the telephone mode, the control unit 18
The reception signal is transmitted to the car navigation device 1 by the Bluetooth communication unit 24.

Next, the operation of the above configuration will be described with reference to the flow charts shown in FIGS. When the car navigation device 1 is powered on, the control unit 3
Sets the car navigation device 1 to the manual operation mode which is the initial mode (step S1), then determines whether or not a mode transition request is made (step S2), and when the mode transition request is not made, Then, it is determined whether the received data is stored in the received data storage unit 14 (step S3). When the received data is not stored in the received data storage unit 14 (“NO” in step S3),
The control unit 3 returns to step S1.

When any one of the first to third mode setting switches 9 to 11 of the car navigation system 1 is operated, the control section 3 returns "YES" in step S2.
Then, the process proceeds to the mode transition routine of step S4. The mode transition routine is shown in FIG. 3, and when the routine is entered, the control unit 3 first saves (ends) the current mode (step A1), and then selects the mode selected based on the operated switch. (Step A
2) Set the mode and transmit a mode setting signal to the mobile phone 2 (steps A3, A4 or A
5), return.

Here, of the first to third mode setting switches 9 to 11, the first mode setting switch 9
It is assumed that the remote operation mode is selected by operating. Then,
The control unit 3 becomes "YES" in step S2 and shifts to the mode transition routine of step S4. In this mode transition routine, the manual operation mode is saved in step A1 and the remote operation mode is changed in step A2 as described above. Upon recognizing that the car navigation device 1 is selected, the process proceeds to step A3, where the car navigation device 1 is set to the remote operation mode, and a signal indicating that the car navigation device 1 is set to the remote operation mode is transmitted via the telephone function unit 17 to the Bluetooth communication unit 13. And the mobile phone 2 is also set to the remote operation mode.

When the key switch group 23 of the mobile phone 2 is operated in this state, the control section 18 transmits a key operation signal corresponding to the operated key from the Bluetooth communication section 24. The key operation signal transmitted from the mobile phone 2 is received by the Bluetooth communication unit 13 of the car navigation device 1 and stored in the received data storage unit 14.

On the other hand, the control unit 3 of the car navigation system 1 sets the remote operation mode in the mode transition routine of FIG. 3, then returns, and proceeds to step S3 of the main routine of FIG. At this time, the received data storage unit 1
Since the key operation signal of the mobile phone 2 is stored as received data in the control unit 4, the control unit 3 sets "Y" in step S3.
ES "is determined and the process proceeds to step S5. In step S5, the control unit 3 sends a key operation signal to the remote operation analysis unit 15, and the remote operation analysis unit 15 analyzes the content of the remote operation from the key operation signal and sends it to the control unit 3. Then, the control unit 3 executes an operation according to the analyzed remote operation content, for example, an operation of setting a destination and automatically setting an optimum route. After executing such step S5, the control unit 3 returns to step S2 described above.

In the mode selection operation, it is assumed that the second mode setting switch 10 is operated to select the voice recognition mode. Then, the control unit 3 returns "YE" in step S2.
S ”and the process proceeds to the mode transition routine of step S4. In this mode transition routine, the car navigation device 1 is set to the voice recognition mode and the signal indicating that the car navigation device 1 is set to the voice recognition mode in the same manner as described above. Is transmitted from the Bluetooth communication unit 13 to set the mobile phone 2 to the voice recognition mode.

In this state, when a voice of the content to be operated is emitted, the voice is input to the microphone 20 of the mobile phone 2 and is transmitted as a voice signal from the Bluetooth communication section 24. This audio signal is sent to the car navigation system 1
The data is received by the Bluetooth communication unit 13 and stored in the received data storage unit 14. On the other hand, the control unit 3 of the car navigation device 1 returns to step S3 of the main routine after setting the voice recognition mode.
The control part 3 becomes "YES" at this step S3, and transfers to step S5.

In step S5, the control unit 3 inputs the reception data stored in the reception data storage unit 14, in this case, the voice signal transmitted from the mobile phone 2 to the voice recognition unit 16. The voice recognition unit 16 recognizes the input voice signal and sends the recognized content to the control unit 3. Then, the control unit 3 executes an operation according to the recognition result of the voice recognition unit 16, for example, an operation of setting a destination and automatically setting an optimum route (step S5), and returns to step S2.

Further, in the mode selection operation, it is assumed that the telephone mode is selected by operating the third mode setting switch 10. Then, the control unit 3 returns “YES” in step S2.
Becomes the mode transition routine of step S4,
In this mode transition routine, the car navigation device 1 is set to the telephone mode, and a signal indicating that the telephone mode is set is transmitted from the Bluetooth communication unit 13 so that the mobile phone 2 is also set to the telephone mode.

In this state, when the dial unit 12 of the car navigation device 1 is operated to input a dial number, the control unit 3 sends the dial number to the telephone function unit 17, and the telephone function unit 17 transmits the dial number to the Bluetooth communication. It is transmitted from the section 13. When the Bluetooth communication unit 24 of the mobile phone 2 receives the dialed number, the control unit 18
Call the other party of the dialed number. When the mobile phone 2 is connected to the other party, the voice (received voice) received by the mobile phone 2 from the other party is transmitted to the car navigation device 1
Sent to. The transmitted voice signal from the other party of the telephone transmitted to the car navigation device 1 is the received data storage unit 1.
Stored in 4.

On the other hand, the control unit 3 of the car navigation system 1 sets the telephone mode in the mode transition routine,
After returning, the process proceeds to step S3 of the main routine. The control part 3 becomes "YES" at this step S3, and transfers to step S5. Then, in step S5, the control unit 3 gives the reception voice signal stored in the reception data storage unit 14 to the telephone function unit 17, the telephone function unit 17 sends the reception voice signal to the control unit 3, and the control unit 3 Outputs the received voice signal from the speaker 8 as voice.
In addition, the transmitted voice of the speaker is input from the microphone 20 and converted into a voice signal from the transmission / reception unit 19 and transmitted to the base station as usual. When the connection destination of the mobile phone 2 is an Internet website, the image is displayed on the display unit 6. When the link destination displayed on the display 6 is clicked, the mobile phone 2 is connected to the link and displayed on the display 6.

As described above, according to this embodiment, the mobile phone 2 can be used as a remote controller in the remote control mode, and the microphone as the voice input means can be used in the voice recognition mode. Since it is not necessary to attach a remote controller and a microphone for voice input as the car navigation device 1, the cost can be reduced. Moreover, in the present embodiment, the car navigation device 1 can remotely operate the mobile phone 2 to interact with the other person in a hands-free manner.

The present invention is not limited to the embodiments described above and shown in the drawings, and the following expansions and modifications are possible. The transmitting / receiving means is not limited to the Bluetooth communication unit 13. Further, the communication is not limited to wireless communication, and may be wired communication. In the above-described embodiment, after the mode is changed by operating the first to third mode setting switches 9 to 11, the initial mode (manual operation mode) is not returned unless the cancel switch is operated. May be configured to automatically return to the initial mode after a certain period of time elapses or when there is no received data in the received data storage unit 14.

[Brief description of drawings]

FIG. 1 is a block diagram showing an electrical configuration of a car navigation device and a mobile phone according to an embodiment of the present invention.

FIG. 2 is a flowchart 1 showing the control contents.

FIG. 3 Part 2

[Explanation of symbols]

In the figure, 1 is a car navigation device, 2 is a mobile phone (mobile phone), 3 is a control unit (control means), 8 is a speaker, 9 to 11 are first to third mode setting switches (selection operation means), Reference numeral 12 is a dial section (dial number input means), 13 is a Bluetooth communication section (transmission / reception means), 14 is a received data storage section, 15 is a remote operation analysis section (remote operation analysis means), and 16 is a voice recognition section (voice recognition means). ), 17 is a telephone function section (telephone remote control means), 18 is a control section (control means), 20 is a microphone, and 24 is a Bluetooth communication section.

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Claims (2)

[Claims] 1. A mobile phone is communicable, and a remote operation mode, a voice recognition mode and a telephone mode can be selected. When the remote operation mode is selected, an operation according to a key operation signal from the mobile phone is performed. When the voice recognition mode is selected, the voice from the mobile phone is recognized, the operation according to the recognition result is executed, and when the phone mode is selected, the operated dial number is set to the mobile phone. The car navigation device is configured to be transmitted to the mobile phone to cause the mobile phone to perform a calling operation. 2. A transmitting / receiving means for transmitting / receiving to / from a mobile telephone, a selecting operation means for selecting a desired mode from a remote operation mode, a voice recognition mode and a telephone mode, a dial number input means, and the remote operation mode. Is selected, remote operation analysis means for reading a key operation signal input by a key operation of the mobile phone and transmitted from the mobile phone; and when the voice recognition mode is selected, a microphone of the mobile phone is selected. A voice recognition unit that recognizes a voice signal that is input and transmitted from the mobile phone, a control unit that performs an operation according to the analysis result of the remote operation analysis unit and the recognition result of the voice recognition unit, and the telephone mode are selected. Then, the dial number input from the dial number input means is transferred to the mobile telephone via the transmitting / receiving means. Sending the machine car navigation system formed by and a telephone remote control means for causing the transmission operation in the mobile phone.