JPH088801A - Vehicle telephone device - Google Patents

Abstract

(57) [Summary] [Purpose] Efficiently select and use PHP lines and car telephone lines. [Configuration] The PHP slave device 10 is directly connected to the PHP base station 2
4 as well as the PHP master unit 12 provided in the vehicle 14. And
The PHP slave device 10 communicates with the car telephone base station 26 via the PHP master device 12 and the car telephone radio device 22 while the vehicle is not traveling in another area when the PHP communication is available.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone device for a vehicle which utilizes both a personal handyphone system and a car telephone system.

[0002]

2. Description of the Related Art With the recent progress of electronic communication technology, various communication systems have come to be used, and a car telephone has become widespread as one of mobile communication.
This car telephone divides the service area into a large number of cells, provides a base station in each cell, and wirelessly communicates between the car terminal and the base station to enable communication from the car. . The mobile phone can communicate with the base station from anywhere in one cell, and when it moves from one cell to another cell, it automatically transfers the line and moves at high speed. The system is constructed so that a sufficient call can be made in the car.

On the other hand, a cordless phone has been widely used as a terminal of an ordinary telephone, and in this cordless phone, wireless communication is performed between a slave unit and a master unit. Therefore, it is conceivable that, if there is a base unit of this cordless phone in various places, it is possible to carry around the handset and make a call. There is a personal handy phone (hereinafter, referred to as PHP) as a mobile phone that starts from such an idea. In this PHP, a wireless base station corresponding to a base unit is installed in a home, an office, a public telephone box, or the like, and by connecting to a public telephone line, a call can be made at each place by using one terminal corresponding to a slave unit. Become. Although the practical service of PHP has not been started yet, it is considered that the call charge etc. will be lower than that of a car telephone, etc., and it is expected to spread in the future.

A portable telephone system including a PHP is disclosed, for example, in Japanese Patent Laid-Open No. 5-136724.

[0005]

As described above, the PHP is
Is expected to spread as a simplified mobile communication,
Basically, the service range is about 100 m around scattered radio base stations, and there are many places that are not service areas. Further, it is not considered to be used in a high-speed moving object such as an automobile, and in such a case, the call state cannot be secured. Therefore, it is considered preferable to use a car telephone in a car.

However, if PHP spreads, it is considered that PHP terminals are often brought into automobiles. When the vehicle is stopped, it may be possible to make a call using the PHP line. In that case, it is better to use the PHP line, which is considered to be cheaper than the car telephone.
Also, it would be convenient if the PHP terminal could be used as a car phone terminal.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a vehicular telephone device capable of effectively using a vehicle telephone and PHP together.

[0008]

DISCLOSURE OF THE INVENTION The present invention is a vehicular telephone device mounted on a vehicle, which is wirelessly connected to an automobile telephone line and communicates in the communication format of an automobile telephone. P that is wirelessly connected to a PHP line, which is a line of a personal handyphone that is a simple mobile phone system that uses a digital cordless telephone, and can make a call in the communication format of the personal handyphone.
Wireless communication is performed between the HP terminal and this PHP terminal,
Communication means for connecting the PHP terminal to the car telephone radio,
And a control means for controlling whether to connect the PHP terminal to the PHP line or to connect to the car telephone line via the communication means and the car telephone radio set. The feature is that you can select and make a call.

Further, the wireless communication between the PHP terminal and the communication means uses a PHP extension line.

Further, the control means connects the PHP terminal to the automobile telephone line when the PHP terminal cannot connect to the PHP line at the time of dial signal transmission.

Further, the vehicle has a traveling detecting means for detecting a traveling state of the vehicle, and the control means carries out PHP during traveling of the vehicle.
The feature is that the terminal is connected to a car telephone line.

Further, it is characterized in that it has a manual selection switch, and the control means connects the PHP terminal to the PHP line when the PHP line is selected by the selection switch.

Further, it has a manual selection switch and a travel detecting means for detecting a traveling state of the vehicle, and the control means, even when the vehicle is traveling, when the PHP line is selected by the manual switch. , PHP terminal to PH
It is characterized by connecting to the P line.

Further, according to the present invention, an automobile telephone radio which is wirelessly connected to an automobile telephone line and a PHP line which is a line of a personal handy phone which is a simplified portable telephone system using a digital cordless telephone are wirelessly connected. A PHP terminal that is connected and can make a call, and
It has a communication means for communicating with the HP terminal and connecting the PHP terminal to the car telephone radio, and a control means for controlling whether or not the incoming call from the PHP line is permitted. , It is characterized in that it controls whether or not to carry out communication through a PHP line.

Further, the control means is characterized in that the communication is possible through the PHP line and the communication is permitted when the vehicle is stopped.

Further, the above-mentioned control means is characterized in that, when the communication through the PHP line is not permitted, the control means returns a message to the calling side through the PHP line to the effect that it cannot respond.

Further, the message is characterized in that it includes guidance of a telephone number of a car telephone.

Further, the vehicle has a traveling detecting means for detecting the traveling state of the vehicle, and when the traveling of the vehicle is detected during a call through the PHP line, the user may be disconnected. Characterized by a warning.

[0019]

According to the present invention, the PHP terminal can make a call by selecting either the PHP line or the car telephone line. Thus, the PHP terminal can be used not only as a PHP terminal but also as a handset for a car phone. Therefore, PH
It is possible to use two lines, P and car phone, with one terminal.

By connecting the PHP terminal to the car telephone using the PHP extension line, the PHP terminal does not need any special communication means.

If a PHP line is available,
It is possible to preferentially select a PHP line with a low call charge. Therefore, call charges can be saved. Moreover, it is not bothersome because the user does not have to make a judgment.

Further, since the line cannot be maintained while the PHP line vehicle is running, by adding the running judgment to the line selection logic, it is possible to prevent the connection failure or the line disconnection after the connection.

Furthermore, although the vehicle is running due to traffic congestion,
If the user wants to use the PHP line, such as when the user can determine that the PHP line can be maintained, the PHP line selection switch can be turned on to select the PHP line even while the user is traveling.

Further, by controlling the incoming call on the PHP line according to the result of the determination of a predetermined condition such as whether or not the vehicle is running, it is possible to prevent the line from being suddenly disconnected. Also, when an incoming call arrives from the PHP line while running, the caller can recognize this by notifying that the call is impossible. Further, by guiding the car telephone number, even a caller who knows only the telephone number of the PHP line can redial the car telephone. Therefore, it is possible to make contact in an emergency.

Further, when the vehicle starts traveling during a call, a warning is issued, so that it is possible to prevent the line from being suddenly disconnected.

[0026]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing the overall configuration.
The P-slave device 10 is a battery-powered cordless terminal and includes a handset, a keypad, and a transceiver. In addition, the PHP cordless handset 10 has a PHP line selection switch 10a that is turned on when it is desired to actively use the PHP line.
Is provided. The PHP slave device 10 is mounted on the PHP master device 12. The PHP master device 12 is fixed to the vehicle 14, functions as a stand for the PHP slave device 10, and P
It is connected to the HP child device 10 by a wireless PHP parent-child extension line 16. A microphone 18 and a speaker 20 are connected to the PHP base unit 12, and a car phone radio 22 having an antenna 22a is connected to the PHP base unit 12. Further, the microphone 18 and the speaker 20 can be used as a handset to make a call using a car telephone line. The microphone 18 and the speaker 20 are located near the steering wheel of the driver's seat so that the driver can talk in a hands-free manner. Further, in a state where the PHP slave device 10 is placed on the PHP master device 12, the PHP master device 12 is
Charge the battery inside.

The PHP base station 24 has a PHP base station antenna 24a, and the PHP handset 10 and the wireless PHP line 2 are connected to each other.
Connected with 5. The car phone base station 26 has a car phone base station antenna 26a, and is connected to the car phone radio 22 by a wireless car phone line 28.

When using a mobile phone, PH
A call can be made using the P slave 10 as a terminal. In this case, P
The HP child device 10 and the PHP parent device are the PHP parent-child extension line 1
According to 6, communication according to a predetermined protocol is performed,
The PHP master unit 12 supplies this to the car telephone radio set 22 as an audio signal. The signal from the PHP master unit 12 is the same signal as when the microphone 18 and the speaker 20 are used, and the car telephone radio 22 is connected to the car telephone line 28.
The communication is performed according to a predetermined protocol in a car phone.

An audio amplifier 30 is also connected to the PHP master unit 12 so that the audio from the PHP master unit 12 can be output from the audio and the audio is automatically muted when the telephone is used. ing.

Further, a vehicle stop state detecting unit 32 is connected to the PHP master unit 12. This stopped state detection unit 32
Recognizes that the vehicle is stopped in response to the parking brake switch being turned on indicating that the parking brake is turned on and the output of the vehicle speed pulse from the vehicle speed sensor.

The operation of the calling process of the vehicle telephone device will be described with reference to FIG. First, when the user picks up the PHP slave device 10, the PHP slave device 1
In the case of 0, the call is ready to be made, and the following processing is started. The processing is started in the same manner by operating a button such as an outside line button of the PHP slave device 10.

First, it is determined whether or not the PHP handset 10 is in an area where a telephone call by PHP is possible (S11). The PHP base station 24 outputs a signal of a predetermined carrier frequency from the PHP base station antenna 24a. Therefore, the PHP handset 10 measures the electric field strength of the corresponding frequency, and by determining that the electric field strength is equal to or higher than a predetermined value, it is determined whether or not the area is in the area where PHP communication is possible.

If the result of the determination is that the area is in which PHP communication is possible, it is determined whether or not the vehicle is stopped based on the detection result of the vehicle stop state detection unit 32 (S12). In this example, it is determined whether the parking brake switch is on (the parking brake is engaged) and the vehicle speed is zero.
By such a determination, the stopped state of the vehicle at the intersection or the like is excluded. If the vehicle is an automatic vehicle, the vehicle stop state may be detected by other means such as that the shift position is parking, or these may be combined appropriately.

If the vehicle is stopped, it is in the area where PHP can communicate and the vehicle is stopped.
It is judged that there is no problem even if the communication by P is performed. Therefore, the PHP slave device 10 makes a call using the PHP base station 24 as a master device and is connected to the PHP line (S13). Then, it is determined whether or not the vehicle is stopped (S14), and it is determined whether or not the call is completed (S15). When the call is completed while the vehicle is stopped, this process is terminated.

When the vehicle starts traveling, S
This is recognized at 14. In this case, a caution message is issued to notify that the line will be disconnected (S16). Then, it is determined whether the call is completed (S1
7) When the call is completed, the process ends. This caution message is issued, for example, by the PHP master unit 12 notifying the PHP slave unit 10 using the PHP parent-child extension line 16 and interrupting a voice message stored in advance in the ROM of the PHP slave unit 10 into the call. To do. Also, P
The HP parent device 12 may generate a message using the speaker 20, the audio 30, and the like. Further, the line disconnection warning may be given by means such as blinking an indicator set at a position where the caller can easily visually recognize it.

On the other hand, if the communication by PHP is impossible in S11, the call is transmitted through the car telephone radio 22 (S18). That is, the PHP slave unit 10
Are connected to the PHP master unit 12 through the PHP master-child extension line 16, and the PHP slave unit 10 is connected to the car telephone line via the car telephone radio 22. Then, it is determined whether the call is completed (S19), and when the call is completed, the process ends.

Further, if the vehicle is traveling although it is in the PHP available area, this is detected in S12. In this case, it is determined whether the PHP selection switch 10a is on (S20). The fact that the PHP line selection switch 10a is ON means that the user is
It means that you have the will to use. For example, when traffic is congested, communication by PHP is possible even if the vehicle speed is not zero. Therefore, the PHP line selection switch 10
If a is on, move to S13 even while traveling, and
Directly originate from the HP handset 10 and connect to the PHP line. On the other hand, if the PHP line selection switch 10a is off, it can be considered that the user has no intention of using PHP, and in this case, the process proceeds to S18 so as to use a mobile phone that ensures reliable communication even while traveling. .

As described above, the PHP handset 10 can be used not only as a terminal for PHP but also as a handset for a car telephone. Therefore, P
It is possible to use two lines of telephone, HP and car phone, with one terminal. Further, when the PHP line is available, it is possible to save the call charge by preferentially selecting the PHP line with a low call charge. Moreover, it is not bothersome because the user does not have to make a judgment. PHP
The line cannot be maintained while the vehicle is running,
By adding the running judgment to the line selection logic, it is possible to prevent connection failure or line disconnection after connection.

Furthermore, although the vehicle is running due to traffic congestion,
If the user wants to use the PHP line, such as when the user can determine that the PHP line can be maintained, the PHP line selection switch can be turned on to select the PHP line even while the user is traveling. In addition, a warning is issued when traveling is performed during a call, so that it is possible to prevent the line from being suddenly disconnected.

Next, the processing when an incoming call from the PHP line occurs will be described with reference to FIG. First, P
When a call is received from the HP line, the PHP slave device 10 detects this incoming call (S31) and determines whether the vehicle is stopped (S32). If the vehicle is stopped, there is no problem in making a call using the PHP line, and a normal ring tone is generated. Then, the PHP slave unit 10 is off-hooked by the user.
Is connected to the PHP line (S33), and the call is started. On the other hand, when the vehicle is not stopped in S32, it is determined whether or not the PHP traveling incoming call permission switch is ON (S34). In the present example, the PHP incoming call permission switch is the PHP line selection switch 10a.
Is also used.

If the incoming call permission switch during the running of the PHP is on, the user wants to make a call using the PHP line even if there is a risk of disconnecting the line.
Moving to 33, the PHP slave device 10 is connected to the PHP line.
On the other hand, if the incoming call permission switch during the running of the PHP is off, it is considered that it is better not to make a call on the PHP line that may cause a line disconnection. Therefore, the line is connected by the automatic call receiving function and a message indicating that the communication partner cannot respond is sent (S35). After sending the message, it automatically goes on-hook and disconnects the line.

Here, the above-mentioned message is generated by operating the voice synthesizing device incorporated in the PHP slave unit 10 or the PHP master unit 12. In addition to the fact that the callee cannot answer, this message also contains the guidance of the telephone number of the mobile phone. Further, the driver may be notified by voice or display that the call has been received.

As described above, by controlling the incoming call on the PHP line depending on whether the line is running or not, it is possible to prevent the line from being suddenly disconnected. Also, if you receive an incoming call from a PHP line while driving,
A caller who only knows the telephone number of the HP line can call back to the car phone. Therefore, it is possible to make contact in an emergency. Note that it is preferable that the guidance of the car phone number can be prohibited by the setting of the user.

[0044]

As described above, according to the present invention,
With the PHP terminal, it is possible to make a call by selecting either the PHP line or the car telephone line. Thus, the PHP terminal can be used not only as a PHP terminal but also as a handset for a car phone. Therefore, a two-line telephone such as PHP and car telephone can be used with one terminal.

By connecting the PHP terminal to the car telephone using the PHP extension line, the PHP terminal does not require any special communication means.

When the PHP line is available,
It is possible to preferentially select a PHP line with a low call charge. Therefore, call charges can be saved. Moreover, it is not bothersome because the user does not have to make a judgment.

Further, since the line cannot be maintained while the PHP line vehicle is running, by adding the running judgment to the line selection logic, it is possible to prevent the connection failure or the line disconnection after the connection.

Furthermore, although the vehicle is running due to traffic congestion,
If the user wants to use the PHP line, such as when the user can determine that the PHP line can be maintained, the PHP line selection switch can be turned on to select the PHP line even while the user is traveling.

Further, by controlling the incoming call on the PHP line according to the result of the judgment of a predetermined condition such as whether or not the vehicle is running, it is possible to prevent the line from being suddenly disconnected. Also, when an incoming call arrives from the PHP line while running, the caller can recognize this by notifying that the call is impossible. Further, by guiding the car telephone number, even a caller who knows only the telephone number of the PHP line can redial the car telephone. Therefore, it is possible to make contact in an emergency. In addition, a warning is issued when traveling is performed during a call, so that it is possible to prevent the line from being suddenly disconnected.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an overall configuration of an embodiment.

FIG. 2 is a flowchart showing an operation at the time of making a call in the embodiment.

FIG. 3 is a flowchart showing an operation when an incoming call is received in the embodiment.

[Explanation of symbols]

 10 PHP slave unit 12 PHP master unit 14 vehicle 22 car telephone radio unit 24 PHP base station 26 car telephone base station 32 vehicle stop state detecting means

Claims (11)

[Claims] 1. A vehicle telephone device to be mounted on a vehicle, which is connected to an automobile telephone line wirelessly and uses an automobile telephone wireless device for performing communication in the communication format of the automobile telephone, and a simple type using a digital cordless telephone. The wireless communication is performed between a PHP terminal that is wirelessly connected to the PHP line that is the line of the personal handyphone that is the mobile phone system of the mobile phone system and that can communicate in the communication format of the personal handyphone, and this PHP terminal. A communication means for connecting the PHP terminal to the car telephone radio, and a control means for controlling whether the PHP terminal is connected to the PHP line or connected to the car telephone line via the communication means and the car telephone radio. A telephone device for a vehicle, which is capable of making a call by selecting a PHP line or a car telephone line according to conditions. 2. The vehicle telephone apparatus according to claim 1, wherein a PHP extension line is used for wireless communication between the PHP terminal and the communication means. 3. The apparatus according to claim 1 or 2, wherein the control means is configured to perform PHP when a dial signal is transmitted.
A telephone device for a vehicle, wherein the PHP terminal is connected to a car telephone line when the terminal cannot connect to the PHP line. 4. The apparatus according to any one of claims 1 to 3, further comprising a travel detecting means for detecting a running state of the vehicle, wherein the control means sets the PHP terminal to a mobile phone while the vehicle is running. Vehicle telephone device characterized by being connected to a line. 5. The apparatus according to any one of claims 1 to 4, further comprising a manual selection switch, wherein the control means selects a PHP line when a PHP line is selected by the selection switch. A vehicle telephone device characterized in that a terminal is connected to a PHP line. 6. The apparatus according to claim 1, further comprising a manual selection switch and a travel detection means for detecting a traveling state of the vehicle, wherein the control means selects the PHP line by the manual switch. If the vehicle is running, the PH
A vehicle telephone device characterized in that a P terminal is connected to a PHP line. 7. A vehicle-mounted telephone device mounted on a vehicle, which is a personal handy phone that is a mobile telephone system that uses a mobile telephone radio that is wirelessly connected to a mobile telephone line and a digital cordless telephone. A PHP terminal that is wirelessly connected to the PHP line, which is a line of, and is capable of making a call, a communication unit that communicates with the PHP terminal, and connects the PHP terminal to a mobile phone radio, and a PHP line. And a control means for controlling whether or not to accept incoming calls from the vehicle telephone device for controlling whether or not to perform communication through a PHP line according to conditions. 8. The vehicle telephone device according to claim 7, wherein the control means enables communication through a PHP line and permits communication when the vehicle is stopped. . 9. The apparatus according to claim 7 or 8, wherein the control means, if the communication through the PHP line is not permitted, a message indicating that the calling side cannot reply through the PHP line. A telephone device for a vehicle, which is characterized by returning. 10. The vehicle telephone device according to claim 9, wherein the message includes guidance of a telephone number of a car telephone. 11. The device according to any one of claims 7 to 10, further comprising a traveling detection means for detecting a traveling state of the vehicle, wherein the traveling of the vehicle is detected during a call through a PHP line. In some cases, a telephone device for a vehicle that warns the user that the line may be disconnected.