JPH03243027A - On-vehicle terminal equipment - Google Patents

Abstract

PURPOSE:To attain hands-free operation by allowing a voice recognizing/ synthesizing and controlling means to recognize a voice control signal and executing the origination of a dial signal to a communication destination, ON/ OFF of power supplies for respective devices and the switching of respective devices or the like based upon control information from the control means. CONSTITUTION:When the key of a vehicle is turned to the position of ACC, a bar battery 10 supplies power to respective devices through a power supply line (g). When a driver speaks a voice command, the voice command is inputted to the voice recognizing/synthesizing and controlling unit 17 through a microphone 12, an amplifier 13 and a signal line (e). When a voice recognizing part in the unit 17 recognizes the voice command, a control part in the unit 17 outputs a required control signal and controls to control respective units in the terminal equipment mounted on the vehicle. When the driver oneself previously registers the feature of the speaker by using a voice recording function of the unit 17, the feature of a voice command practically inputted from the microphone 12 is collated and inspected, and after checking the speaker is the registered driver oneself, respective operations are controlled.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a vehicle-mounted terminal device including a telephone conversation device, a data terminal device, and a facsimile machine mounted on a vehicle.

[Prior Art] Fig. 2 is a block diagram showing the configuration of a conventional in-vehicle terminal device, in which 1 is a radio transmitting/receiving antenna, 2 is a radio modem, and 3 is a block diagram showing the configuration of a conventional in-vehicle terminal device.
is an RF protocol converter, and 4A is a data terminal, which includes a keyboard and an LCD (liquid crystal) display. 5A
6 is a printer, 6 is a car phone, 7 is a vehicle-mounted FAX device, 8 is a battery for a vehicle-mounted terminal, and 9 is a manual switch for switching between the vehicle-mounted FAX device 7 and the telephone 6.

FIG. 3 is a diagram showing a row of units in FIG. 2 in a state in which they are mounted on a vehicle. In the figure, a wireless modem 2, an RF protocol converter 3, and a battery 8 are installed in the trunk at the rear of the vehicle, an in-vehicle FAX device 7 is installed in the rear seat, a data terminal 4A and a printer 5A are installed in the passenger seat, and a telephone 6 is installed in the trunk. are placed on each dash board.

As an example of the actual use of the in-vehicle terminal device shown in Figure 2, a work vehicle is used to move between homes, factories, etc. to perform electrical, gas, water, etc. construction work associated with building new houses, expanding houses, or relocating residents. When carrying out work-related work, the control room of the business office (for example, a government office) and the work vehicle are connected via a wireless communication line, and work instructions to the workers (drivers), work reports from the workers, etc. are communicated. Here is an example of how to do it.

FIG. 4 is a conceptual diagram showing an example of how the in-vehicle terminal device is used, and FIG. 5 is a diagram showing an example of the equipment configuration in the office control room in FIG. 4. In FIG. 4 and FIG. 5, 40 is a sales office control room, which includes a modem 41, a control device 42, a work station 43, 44, a printer 45, and a FAX device 4.
6. Telephone for contacting workers 47, reception telephone 48.49
Consisted of. Here, the control device 42 is constituted by, for example, a minicomputer. 50 is a telephone line, 51
52 is a telephone network, and 52 is a telephone office for car telephones, which converts data sent from the sales office control room 40 via telephone line 50 and telephone network 51 into radio frequency (RF) signals, and
The F-multiply signal is transmitted to the destination work vehicles 56-58 via the antenna, and the RF-multiply signal sent wirelessly from the work vehicles 56-58 is received and converted into communication data, and this communication data is sent to the office. Performs relay operation to send to command room. 53 is a factory, 54.55 is a general household, 5B, and 57.58 are #1. #2. #3 work vehicle, factory 53. Patrol construction work sites such as general homes 54.55.

An overview of the operations shown in FIGS. 4 and 5 will be explained. First, a work request for the same day or a specified date and time is accepted using the reception telephone 48.49. When we receive a work request, the requester's address, name,
Necessary items such as work content, designated work date, and time are input into the control device 42 using workstations 43 and 44.

When an emergency work request is received, the workstations 43 and 44 similarly input necessary items into the control device 42, and it is determined which work vehicle is near the requested work location and can begin the emergency work. The work vehicles 56 to 58 perform work in accordance with the work contents instructed by the control device 42 via wireless communication via the telephone network 51 and the mobile telephone center 52 (details of this will be described later).

A FAX machine 46 and a worker contact telephone 47 in the office control room 40 are used for contacting workers.

The procedure for using the on-vehicle terminal devices of the working vehicles 56 to 58 will be described below with reference to FIGS. 2 and 3.

(1) When using the car phone 6 and the FAX device 7 (a) When receiving a call from the caller and then using the FAX device to receive data First, when the incoming bell of the phone 6 rings, the driver Pick up the handset and talk to the caller.

The sender then communicates the transmission of the FAX data to the recipient.

For example, the caller issues work instructions from the command center and sends them by fax.
The site map shall be transmitted as data, and the recipient shall work at the site while moving in work vehicles 56 to 58 according to instructions from the control room. , according to the FAX transmission instruction from the caller, switches the manual switch 9 from side A to side B to receive FAX data.

In preparation for receiving a FAX, the driver of the work vehicle always keeps the main power of the FAX device 7 turned on while driving and when the FAX device 7 is stopped.

(b) When the driver requests work instructions or requires emergency communication, the driver of the work vehicle dials from the telephone 6 to call the control room and reports the above information.

(2) When using the data terminal 4A
0 causes the data terminal 4A of the in-vehicle terminal device for each area to display the reservation status from each household up to the previous day. Note that it is also possible to take a hard copy of this display content using the printer 5A. In addition, the worker can key in the details of his/her activities such as starting/ending work and movement into the data terminal 4A (KEY).
IN) Notify the office control room 40.

When using data terminal 4A, data terminal 4A
By turning on the power switch, the RF protocol converter 3 is informed that the data terminal 4A is in use. At this time, the telephone 6 and the FAX device 7 become unusable, and the wireless modem 2 and the data terminal 4A are connected inside the RF protocol converter 3.

After displaying and confirming the reservation status using the data terminal 4A, and keying in the work to be reported to the sales office control room 40, turn off the power switch of the data terminal 4A.
Keep it. By turning off the power of the data terminal 4A, the car telephone 6 or the FAX device 7 can be used thereafter.

[Problems to be Solved by the Invention] However, the conventional device having the above configuration has the following problems.

(1) To receive a car phone call, you must pick up the handset on the dash board, and to make a call, you must press the dial number on the dial button. Therefore, since the above operation while driving is dangerous, it is necessary to stop the vehicle.

(2) When receiving a FAX, it is necessary to operate the changeover switch on the dash board, so it is necessary to stop the car and perform the operation in the same way as described above.

Furthermore, in the current installation example, the FAX machine is located in the rear seat, which makes it difficult to operate, and there is also a risk that the machine will fall when the machine stops suddenly.

(3) When operating the data terminal or printer in the passenger seat, the vehicle must be stopped in the same way as above. In addition, the power switch of the data terminal must be manually turned on and off, and in the current installation example, the data terminal and printer are placed on the passenger seat, so there is a risk that the devices may fall during a sudden stop.

The present invention has been made to solve these problems, and allows manual switching between a car phone and a fax machine, transmission of a destination dial signal, and power on/off of a data terminal. It is an object of the present invention to provide a vehicle-mounted terminal device with excellent operability, which does not require the above operation and therefore does not require stopping the vehicle in the case of the above-mentioned operation.

[Means for Solving the Problems] The in-vehicle terminal device according to the present invention has a communication means for making a call from the car to a communication destination telephone via a wireless communication line, and transmitting and receiving character data to and from the communication destination data terminal. In in-vehicle terminal devices including data terminals and fax machines that send and receive fax data to and from the communication destination fax machine, voice control signals from the driver's seat of the car or voice transmission signals to the communication destination telephone are converted into electrical signals. an audio signal input means for inputting the signal to the in-vehicle terminal device; and converting the electrical voice guidance signal output from the in-vehicle terminal device or the electrical voice reception signal from the communication destination telephone into an acoustic signal and outputting it to the driver's seat of the vehicle. and a voice signal output means that recognizes a voice control signal input by the voice signal input means, and based on the recognized control information, transmits a dial signal to the communication destination and supplies it to each device included in the in-vehicle terminal device. Turning the power on and off, switching connection between the communication destination and the communication means in the vehicle terminal device, data terminal device, or fax machine via the wireless communication line,
A voice recognition system that performs switching connection between the data terminal output or the fax machine output and the human power of the printer, and outputs a voice synthesis guidance signal by the voice signal output means as necessary.
The apparatus is equipped with a synthesis/control means, and a telephone communication means for performing a telephone conversation with a communication destination telephone using a voice transmission signal input by the voice signal input means and a voice reception signal outputted by the voice signal output means.

[Operations] In the present invention, a communication means for making a call from a car to a communication destination telephone via a wireless communication line, a data terminal device for transmitting and receiving character data to and from the communication destination data terminal device, and a communication destination fax machine are provided. In an in-vehicle terminal device including a fax machine that sends and receives fax data, the in-vehicle terminal device converts a voice control signal from the driver's seat of the car or a voice transmission signal to a communication destination telephone into an electrical signal using an audio signal input means. The audio signal output means converts the electrical voice instruction signal output from the in-vehicle terminal device or the electrical voice reception signal from the communication destination telephone into an acoustic signal and outputs it to the driver's seat of the car, and performs voice recognition and The synthesis/control means recognizes the voice control signal input from the voice signal input means, and based on the recognized control information, transmits a dial signal to the communication destination and supplies power to each device included in the in-vehicle terminal device. On/off, switchable connection between communication destination via wireless communication line and communication means in the vehicle terminal device, data terminal or fax machine, switchable connection between data terminal output or fax machine output and printer input, and necessary In response to this, the voice signal output means outputs a voice synthesis guidance signal, and the communication means uses the voice transmission signal inputted from the voice signal input means and the voice reception signal outputted from the voice signal output means to communicate with the destination telephone. Make a call with.

[Embodiment FIG. 1 is a block diagram showing an embodiment of the in-vehicle terminal device according to the present invention, and FIGS. 6(a), (b), and (C)
2 is a diagram showing an example of a state in which each unit in FIG. 1 is mounted on a vehicle. FIG.

FIG. 7 is a diagram illustrating an example of voice commands and their functions according to the present invention.

In Fig. 1 and Figs. 6 (a) to (C), 1 is a wireless transmitting/receiving antenna, 2 is a wireless modem, and 3 is an RF protocol converter. is the same as the conventional technology. 4 is a data terminal device, and in this embodiment, a touch panel is attached on an LCD (liquid crystal) display surface instead of a keyboard. However, a keyboard can also be connected. In addition, in this embodiment, the data terminal device 4 has a structure in which it is housed and fixed in a console box, as shown in FIGS. To prevent this, a hood is provided as well as the speedometer panel, etc. All communication data is sent and received via the RF protocol converter 3. Reference numeral 5 denotes a printer, which is switched and used as an output printer for the data terminal device 4 or as a printer for receiving FAX data. Reference numeral 7C is a FAX control section, which is a normal FAX device with the printer section removed. Reference numeral 8 denotes a battery for an in-vehicle terminal, which is connected to the data terminal device 4 through a key switch 19 and a switch 15.
Power is supplied to the FAX control unit 7C and the printer 5. 1
A car battery 0 is used as a power source for conventional headlights, a cooler, etc., and also supplies power to a wireless modem 2, an RF protocol converter 3, an amplifier 13, and a voice recognition/synthesis/control unit 17. 11 is a speaker, 12
are microphones, and in this embodiment, the units 11 and 12 are mounted on the driver's seat and connected to the amplifier 13, respectively, as shown in FIG. 6(e). 1
Reference numeral 3 denotes an amplifier, which amplifies the input signal from the microphone 12 and the output signal to the speaker 11.

The amplifier 13 is also attached to the driver's seat in this embodiment shown in FIG. 6(c).

Reference numeral 14 denotes a switch, which switches the line connection to the RF protocol converter 3 between the amplifier 13 on the (a) side and the FAX control unit 7C on the (b) side. Reference numeral 15 denotes a switch, which switches between supplying power from the in-vehicle terminal battery 8 to the data terminal device 4 and printer 5 on the (a) side, or to the FAX control unit 7C and the printer 5 on the (b) side. I do. 16 also switches the input signal to the printer 5 (a)
Switching is performed between the output of the side FAX control unit 7C and the output of the data terminal device 4.

Reference numeral 17 denotes a speech recognition/synthesis/control unit, which internally includes a speech recognition section, a speech synthesis section, and a control section. The voice recognition unit can recognize that the voice signal input through the microphone 12 and the amplifier 13 is a voice command (see FIG. 7), which is a predetermined voice control signal, uttered by a specific person. Has a specific speaker recognition function. The voice synthesis section stores voice instruction (guidance) data for promoting the next input in a memory element on the synthesis chip, and when outputting a voice guidance signal, outputs the necessary voice data from the memory element. The signals are read out and synthesized, and this synthesized speech signal is output as artificial speech via the amplifier 13 and speaker 11 (details will be described later). The control unit selects the signal line 1□ according to the recognition result of the voice recognition unit.

A control signal is outputted via h and m to control the switching of the switch 14, 15° 16, and a control signal is outputted via the signal line 12 to control dial signal generation of the telephone signal generator 18, etc. .

Reference numeral 18 denotes a telephone signal generator, which has functions of dial signal generation, off-hook, on-hook, and ring sound generation, which are functions of a button telephone, and according to each control signal output from the voice recognition/synthesis/control unit 17. Perform the specified action. In addition, the configuration of this unit is not a standalone unit (sometimes it is incorporated into the RF protocol converter 3. 19 is a key switch,
In conjunction with the car's key switch, opp<pause),
This is a switch that switches between ACC (while stopped) and ON (while driving). Then, in the ACC or ON position, power is supplied from the vehicle-mounted terminal battery 8 and the car battery 10 to each unit within the vehicle-mounted terminal device. 20 is a variable resistor for variably adjusting the amplification degree of the amplifier 13.

The operation shown in FIG. 1 will be explained with reference to FIG. When the car key is turned to the ACC position, the car battery 10 is connected to the wireless modem 2,
Power is supplied to the RF protocol converter 3, the voice recognition/synthesis/control unit 17, and the amplifier 13 to enable operation. In addition, the in-vehicle terminal battery 8 is connected to the switch 15 (
(b) From the side, the FAX is sent via the power line f1 indicated by the broken line.
Power is supplied to the control unit 7C and the printer 5. The driver utters a voice command as shown in the example of FIG. 7, and this voice command is input to the voice recognition/synthesis/control unit 17 via the microphone 12, amplifier 13, and signal line e. When the voice recognition section within the unit 17 recognizes this voice command, the control section within the unit 17 outputs a necessary control signal to control each unit within the in-vehicle terminal device. Furthermore, in this case, each voice command to be input from the microphone 12 can be transmitted to the microphone by the driver registering the characteristics of the speaker in advance using the voice registration function of the voice recognition/synthesis/control unit 17. After checking the characteristics of the voice actually input from 12 and confirming that the driver is the registered driver, each operation is controlled.

The operation for each voice command shown in FIG. 7 will be explained below.

(1) When the voice command is "dial" When the voice recognition/synthesis/control unit 17 recognizes the voice command, it sends a hook-off control signal to the telephone signal generator 18 via the signal line 12, and generates a telephone signal. The device 18 is placed in a hook-off state (the communication path from the car to the outside is connected) and waits for a dial instruction. At the same time, the signal line 11
A switching control signal is output to the switching device 14 via the switching device 1.
Switch the contact point 4 to the (a) side and connect signal line a and signal line C.

(2) When the voice command is a number such as "zero, one, two, . . . , cue" If the number follows the "dial" command, it is an instruction for a dial number. When the voice recognition/synthesis/control unit 17 recognizes the voice command for the dial number input via the microphone 12, amplifier 13, and signal line e, it transmits the recognized dial number to the telephone signal generator 18 via the signal line 12. Instruct. The telephone signal generator 18 generates a dialing signal for displaying digits, for example by a combination of two different audio frequencies, as in the case of a bushphone telephone;
This dial signal is sent to the RF protocol converter 3 via the signal line a. The RF protocol converter 3 converts the voice signal into an RF protocol as in the conventional case, and transmits a dial signal to the mobile phone central office via the wireless modem 2 and the wireless transmitting/receiving antenna 1. The telephone office for automobile telephones connects the communication line between the destination telephone specified by the dialed number and the car.

Subsequent calls between the destination phone and the car are carried out using the speaker 11, microphone 12, amplifier 13, and
This can be done in the same way as with a normal telephone via the switch 14, RF protocol converter 3, wireless modem 2, and wireless transmitting/receiving antenna 1.

(3) When the voice command is "DENWASHURYO" When the voice recognition/synthesis/control unit 17 recognizes the voice command, it sends a control signal for ending the call to the telephone signal generator 18 via the signal line 12, and makes a call. The signal generator 18 is placed in a hook-on state (the communication path between the vehicle and the outside is opened). In addition, the speaker 11 and the microphone 1
2, the voice recognition/synthesis/control unit 17 can constantly monitor voice commands via the signal line e, and when it identifies the voice command, it immediately controls the hook-on state. Do the following.

(4) When the voice command is "FAX SHUSHIN" When the voice recognition/synthesis/control unit 17 recognizes the voice command, for example during a call, the contacts of the switch 15 are switched by the switching control signal via the signal line. On the “mouth” side, the contact of the switch 14 is set to “
The contacts of the switch 16 are respectively switched to the "A" side by a switching control signal via the signal line m to the "A" side, and the FAX can be received from the talking state.Thereafter, the FAX is received from the wireless transmitting/receiving antenna 1. Data is wireless modem 2, RF protocol converter 3, signal line a1 switch 14, signal line d1
This received data is supplied to the printer 5 via the signal line g and the switch 16, and the printer 5 outputs print data.

When the FAX reception ends, the FAX control unit 7C sends a line switching control signal indicating the end of FAX reception to the switch 14 via the signal line d2, and switches the contact to the (A) side. Therefore, signal line a and signal line C are reconnected, and it becomes possible to receive and transmit telephone calls.

(5) When the voice command is "Fax Send" When the voice recognition/synthesis/control unit 17 recognizes the voice command, the contact of the switch 15 is switched to the "mouth" side by the switching control signal via the signal line. A switching control signal via the signal line 11 causes the contact of the switch 14 to switch to the "opening side", the signal line m
The contact of the switch 16 is set to “I” by the switching control signal via the
Then, the FAX dial number of the sales office control room, which has been registered in advance inside the same unit 17, is sent to the telephone signal generator 18 via the signal line 12. The telephone signal generator 18 generates an instructed FAX dial signal as in the case of telephone communication, and this dial signal is sent to the signal line a, the RF protocol converter 3, and the wireless modem 2.
By transmitting the information through the radio transmitting/receiving antenna 1, a communication line is connected to the sales office control room via the car telephone office and the telephone network. After that, the FAX control section 7C
The fax data read from the paper set in the fax machine is sent to the fax machine in the office control room via the signal line d1 switch 14, the signal line aSRF protocol converter 3, the wireless modem 2, and the wireless transmitting/receiving antenna 1. .

When the FAX transmission ends, the FAX control unit 7C sends a line switching control signal indicating the end of the FAX transmission to the switch 14 via the signal line d2, and switches the contact to the "A" side. Telephone communication is also possible.

(6) When the voice command is "Data Shushin" When the voice recognition/synthesis/control unit 17 recognizes the voice command, the contact of the switch 15 is switched to the "I" side by the switching #l1iI signal via the signal line. Then, the contact point of the switch 16 is switched to the "mouth" side by a switching control signal via the signal line m.

Power is supplied to the data terminal device 4 from the vehicle-mounted terminal battery 8, and the data terminal device 4 becomes ready to receive data, and this data reception enable signal is sent to the RF protocol converter 3 via the signal line. Upon receiving this signal, the RF protocol converter 3 becomes ready to transmit and receive data to and from the data terminal device 4. Power is also supplied to the printer 5, and output data from the data terminal device 4 is supplied via the switch 16, so that this data can be printed out as a hard copy.

(7) When the voice command is "data processing" When the voice recognition/synthesis/control unit 17 recognizes the voice command, it sends a switching control signal to the switch 1 via the signal line.
5 is switched to the "A" side, and the data terminal device 4 is placed in a transmittable state. Next, the data terminal device 4 sends the data string of the dial number of the sales office control room built in the device 4 to the RF protocol converter 3 via the signal line, and performs the same as in the case of FAX transmission in section (5). Similarly, a communication line with the office control room is connected. After that, the operator operates the touch panel of the data terminal device 4 and inputs information such as work progress status as character data (including numbers, symbols, etc.), and sequentially transmits this input data to the sales office control room. can do.

It is also possible to connect a keyboard instead of the touch panel to input data.

The operation of the speech synthesis section in the speech recognition/synthesis/control unit 17 is, for example, after inputting the voice command "Dial" and when no numeric command is input, "Please pronounce the digits of the dial number in order." Outputs synthesized speech.

Also, when the number of digits in the numeric command is insufficient, the message "Insufficient number of digits in the dial number."

A synthesized voice guidance such as "Please pronounce the dial number from the beginning again" is output.

In the example of the mounting state of the in-vehicle terminal device shown in FIG. 6, each unit installed around the driver's seat is fixed with fixing metal fittings, or is housed and fixed in a console box, or Since it is attached and fixed to the driver's seat, there is no danger that either unit will fall even if the car suddenly stops, making it highly safe. Note that FIG. 6 shows an example of the mounting state of the in-vehicle terminal device, and the present invention is not limited to this mounting example, and the same operation can be expected even with other mounting examples.

[Effects of the Invention] As described above in detail, according to the present invention, a communication means for making a call from a car to a communication destination telephone via a wireless communication line, and a communication device for transmitting and receiving character data to and from a communication destination data terminal. In an in-vehicle terminal device including a data terminal device and a fax machine that sends and receives fax data to and from a destination fax device, a voice recognition/synthesis/control means recognizes the voice control signal input from the voice signal input means, and Based on the recognized control information, sends a dial signal to the communication destination, turns on/off the power supply to each device included in the in-vehicle terminal,
Switchable connection between communication destination via wireless communication line and communication means in the on-vehicle terminal device, data terminal or fax machine, switchable connection between data terminal output or fax machine output and printer input, and audio signals as necessary. Since the output means outputs the voice synthesis instruction signal, it is possible to make calls to the destination telephone, receive fax data, and receive data to the data terminal without manual operation (hands-free). This has the effect of making it possible without having to stop the process.

[Brief explanation of drawings]

Fig. 1 is a block diagram showing an embodiment of the in-vehicle terminal device according to the present invention, Fig. 2 is a block diagram showing the configuration of a conventional in-vehicle terminal device, and Fig. 3 shows the in-vehicle state of each unit in Fig. 2. Figure 4 is a conceptual diagram showing an example of how an in-vehicle terminal device is used, Figure 5 is a diagram showing an example of the equipment configuration in a sales office control room, and Figure 6 is a diagram showing an example of how each unit is installed in a vehicle in Figure 1. FIG. 7 is a diagram illustrating an example of voice commands and their functions according to the present invention. In the figure, 1 is a wireless transmission/reception antenna, 2 is a wireless modem, 3 is an RF protocol converter, 4 is a data terminal device, 4A is a data terminal device, 5° 5A, 45 is a printer,
6 is a car phone, 7.46 is a fax machine, 7C is an FA
X control unit, 8 is a battery for an in-vehicle terminal, 9 is a manual switch, 10 is a car battery, 11 is a speaker, 12 is a microphone, 13 is an amplifier, 14 to 16 are switching devices, 17 is a voice recognition/synthesis/control unit, 18 is a telephone signal generator;
19 is a key switch, 20 is a variable resistor, 40 is a sales office control room, 41 is a modem, 42 is a control device, 43.44 is a work station, 47 is a telephone for contacting workers, 48
．． 49 is a reception telephone, 50 is a telephone line, 51 is a telephone network, 52 is a telephone station for automatic motorcycle telephones, 53 is a factory, 54.5
5 is a general household, and 56 to 58 are work vehicles #1 to #3. 12 Radio transmission equipment 4A: Data terminal 5, car phone 4A: Manual switch Book diagram showing the configuration of a conventional in-vehicle terminal device 2 Figure 434J, Workstation 4F ；I13MA4WMJ@Episode 11” 1484q Reception obscene 50゛@Episode day funeral

Claims (1)

[Scope of Claims] A communication means for making a call from a car to a communication destination telephone via a wireless communication line, a data terminal device for transmitting and receiving character data to and from the communication destination data terminal device, and a fax machine for communicating with the communication destination fax machine. In an in-vehicle terminal device including a fax machine that sends and receives data, an audio signal input means converts a voice control signal from the driver's seat of the car or a voice transmission signal to a communication destination telephone into an electrical signal and inputs the electrical signal to the in-vehicle terminal device. and an audio signal output means for converting an electrical voice guidance signal output from an in-vehicle terminal device or an electrical voice reception signal from a communication destination telephone into an acoustic signal and outputting the same to the driver's seat of the vehicle; and the audio signal input means. Recognizes the voice control signal input by the device, and based on the recognized control information, sends a dial signal to the communication destination, turns on/off the power supply to each device included in the in-vehicle terminal device, and connects the device via the wireless communication line. Switchable connection between the communication destination and the communication means in the in-vehicle terminal, data terminal or fax machine, switchable connection between the data terminal output or fax machine output and printer input, and voice synthesis by the audio signal output means as necessary. A voice recognition/synthesis/control means for outputting a guidance signal, and a voice communication signal inputted by the voice signal input means and a voice reception signal outputted by the voice signal output means to make a telephone conversation with a destination telephone. An in-vehicle terminal device characterized by comprising means.