JPH06104826A - Radio telephone set - Google Patents

Abstract

PURPOSE:To provide the radio telephone set in which the operation of an on- vehicle telephone set is disable when a portable telephone set is used at the outside of an automobile, the operation of the portable telephone set is disable and the operation of the on-vehicle telephone set is enable when the portable telephone set is connected to the on-vehicle telephone set, a handset of the on-vehicle telephone set whose size is sufficient is used in the case of talking in a car body and the portable telephone set suitable for carrying has only to be carried in the case of talking at the outside of the automobile. CONSTITUTION:When a portable telephone set 1 is not connected to an on- vehicle telephone set 5, while power is supplied to the portable telephone set via a switch 20, no power is supplied to each section in the inside of the on- vehicle telephone set. When the both are connected, a voltage detection circuit 16 detects it and sends a prescribed signal to control sections 25, 536 of the both. After the both confirm NAM data stored in advance, the power supply to each section of the portable telephone set 1 is interrupted via the switch 20 and the power is supplied to each section of the on-vehicle telephone set 5 via a switch 534.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radiotelephone device comprising an in-vehicle telephone device and a portable telephone device connectable to the in-vehicle telephone device, and particularly when the two are not connected, independent operation of the in-vehicle telephone device is prohibited. When the two are connected, the wireless telephone device is permitted to operate independently of the vehicle-mounted telephone device.

[0002]

2. Description of the Related Art A mobile phone device has been miniaturized in recent years to make it convenient to carry, and its power source is a battery having a limited capacity.

Therefore, a function that consumes a large amount of power and consumes a large amount of power, such as a hands-free function, a diversity function, and a voice call function, is often not provided in the mobile telephone device. On the other hand, these functions are provided in the in-vehicle telephone device which is less restricted by the space power source.

Therefore, in order to use the hands-free function, the diversity function, and the voice call function inside the vehicle while utilizing the convenience of carrying a small-sized cell phone device outside the automobile, it is necessary to use the mobile telephone device and the in-vehicle telephone device. However, in this case the user has to pay twice the basic fee. Therefore, Japanese Patent Publication No. 1-503271 discloses a radiotelephone device that can utilize the above-mentioned functions by only paying a basic charge for one device.

This wireless telephone device comprises an in-vehicle telephone device and a portable telephone device connectable to the in-vehicle telephone device. When the portable telephone device is not connected to the in-vehicle telephone device, the portable telephone device has an N number.
AM data (telephone number, system ID, etc.) is stored, whereas NAM data is not stored in the vehicle-mounted telephone device. Therefore, the independent operation of the mobile phone device is permitted, while the independent operation of the vehicle-mounted phone device is prohibited. On the other hand, when the mobile phone device is connected to the in-vehicle phone device,
The mobile phone device transmits its own NAM data to the vehicle-mounted phone device via the connection line and writes it in the RAM in the vehicle-mounted device.
At this time, the operation of the transmitter / receiver of the mobile phone device is prohibited, while the operation of the transmitter / receiver of the vehicle-mounted phone device is permitted. Therefore, the information input via the key input unit of the mobile phone device is transmitted to the base station via the transmitting / receiving unit of the vehicle-mounted phone device. After the communication link is established, the circuit section of the in-vehicle telephone device can be used, so that the user can use the hands-free function, the diversity function and the voice call function which the mobile telephone device does not have.

However, in this device, key input, transmission and reception operations are carried out from the mobile telephone device (see page 11, upper left column, lines 11 to 14 of the publication). In order to improve portability, this mobile phone device is approaching the maximum size at which a user can perform key input and voice transmission / reception. Therefore, from the viewpoint of key input and transmission / reception, it is hard to say that the mobile phone device is large enough for the user, and it was not possible to provide sufficient operability during a call in the vehicle.

[0007]

Even when the portable telephone device is connected to the vehicle-mounted telephone device, key input and transmission / reception must be performed using the portable telephone device. In the future, the smaller the mobile phone device, the more difficult it becomes to operate.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a vehicle-mounted telephone device having a size large enough for a user to operate when the portable telephone device is connected to the vehicle-mounted telephone device. It is an object of the present invention to provide a radiotelephone device that can perform an input operation using the input means.

[0009]

In order to achieve the above object, the present invention relates to an in-vehicle telephone device having a handset, a portable telephone device having unique information for establishing a communication link with a base station, and In the wireless telephone device, the in-vehicle telephone device comprises a connecting means for connecting to the mobile telephone device, and a connection detecting means for detecting that the portable telephone device is connected to the in-vehicle telephone device via the connecting means. According to the output result of the detection means, the mobile phone device is allowed to operate independently and the mobile phone device is prohibited from operating independently when the mobile phone device is not connected to the in-vehicle phone device. In addition, in the state where the mobile phone device is connected to the in-vehicle phone device, the independent operation is prohibited for the mobile phone device, and the unique information is provided to the in-vehicle phone device. And a control means for permitting operation independent allow the use.

[0010]

As a result, according to the present invention, when the portable telephone device is connected to the in-vehicle telephone device, the input to the portable telephone device is prohibited, the input to the in-vehicle telephone device is permitted, and the portable telephone device is portable. Since the use of the unique information of the telephone device is permitted, the user can perform key input and transmission / reception by using the handset of the vehicle-mounted telephone device which is sufficiently larger than the mobile telephone device.

[0011]

EXAMPLES Examples of the present invention will be described below.

FIG. 1 is a schematic diagram showing the configuration of a car telephone system in the embodiment. This car telephone device includes a mobile telephone device 1, a mounting device 3 that is connected to a vehicle-mounted battery 100 to which the mobile telephone device 1 is detachably mounted, and a vehicle-mounted telephone device 5 that is connected to the mounting device 3. The vehicle-mounted telephone device 5 includes a wireless device 51, a cradle 53, and a handset 55. The wireless device 51 is connected to the mounting device 3 as well as to the in-vehicle battery 100 and the antenna 110. The cradle 53 is connected to the wireless device 51, and has a voice circuit for exchanging signals between the handset 55 and the wireless device 51 and having a hands-free function. Although not shown, the cradle 53
And the handset 55 have a latch structure that fits each other, and the handset 55 can be detachably attached to the cradle 53.

The functional blocks of this radio telephone device will be described with reference to FIG. The mobile phone device 1 has a transmitting / receiving unit 12 and a voice circuit 14. The transmitter / receiver 12 includes a transmitter 12
2, a receiver 124, a synthesizer 126 for setting the frequencies of these transceivers, and an antenna duplexer 128.

The mobile phone device 1 further includes a voltage detection circuit 1
6, regulator 18, switch 20, diode 2
1, a battery 22 is provided. The voltage detection circuit 16 outputs 9.5 V from the regulator 32 of the attachment device 3 to the control circuit 25 to output a high level signal indicating that the mobile phone device 1 is attached to the attachment device 3.
When the voltage detection circuit 16 does not detect 9.5 V of the regulator 32, it outputs a low level signal to the control circuit 25.

When the portable telephone device 1 is not connected to the mounting device 3, the output voltage of the battery 22 is converted into a power supply voltage required by each circuit portion via the regulator 18 and supplied to the switch 20 to be supplied to each circuit portion. Power is supplied. When the mobile phone device 1 is connected to the mounting device 3 by the connectors 160 and 310, the voltage detection circuit 16 outputs to the control circuit 25 a signal indicating that the connection between the two has been detected. In response to this, the control circuit 25 sends a predetermined signal to the switch 20. In response to this, the switch 20 is switched, and the power supply to each circuit portion is cut off. Note that only the voltage detection circuit 16 must constantly monitor the output voltage of the regulator 18 of the mounting device 3, so that power is always supplied regardless of the mutual connection state. Further, the voltage (9.5 V) output from the car battery (13.7 V) 100 via the regulator 32 in the state of being connected to each other is the battery 22.
And the battery 22 is charged. Reference numeral 21 is a backflow preventing diode. . The ROM 24 stores NAM data (telephone number, system ID, etc.) necessary for establishing a communication link with the base station.

Further, the portable telephone device 1 has a key input section 26 controlled by a control circuit 25, an LCD driver 28,
LCD 29 is provided. 130 is an antenna connected to the duplexer 128, and 142 and 144 are microphones and speakers connected to the audio circuit 14.

The attachment device 3 is provided with a regulator 32 for converting the output voltage of the car battery 100 into a predetermined voltage and a connector 310 connectable to the connector 160.

The in-vehicle telephone device 5 comprises a wireless device 51, a cradle 53 and a handset 55. The wireless device 51 is always connected to the mounting device 3 via the cord 400. The wireless device 51 includes a transmitting / receiving unit 520 and a voice circuit 53.
Has 0. The transmitter / receiver 520 includes a transmitter 522, a receiver 524, a synthesizer 526, and an antenna duplexer 52.
8 and.

Further, the wireless device 51 is a car battery 100.
5 for converting the output voltage of the
32 and a switch 534. This switch 53
When the portable telephone device 1 is not attached to the attachment device 3 by 4, the power supply to each part other than the control circuit 536 is cut off.

Connection completion information output from the control unit 25 of the mobile phone device 1, that is, the mobile phone device 1 in the attachment device 3.
When the control circuit 536 receives information indicating that the switch 5 is connected, a predetermined signal is transmitted to the switch 5 after a predetermined procedure described later.
To 34. The switch 534 switches in response to this, and starts supplying power to each unit. The switch 534
The terminal 534 a of is also connected to the cradle 53 and the handset 55. Therefore, the wireless device 51 and the cradle 5
3. In the handset 55, when the mobile phone device 1 is used independently, power is not supplied to each part other than the control circuit 536, so input from the handset 55 is prohibited. On the other hand, when the mobile phone device 1 is connected to the mounting device 3, the power supply inside the mobile phone device 1 is cut off, and at the same time, the power is supplied to the mobile phone device 5 at the same time. That is, the transmission / reception is possible. Further, the wireless device 51 is provided with a ROM 538, and the N written in the ROM 24 of the mobile phone device 1 is stored in the ROM 538.
The same as the AM data is written.

The cradle 53 is connected to the wireless device 51 via a cord 600 and is provided with an audio circuit 610. The voice circuit 610 is a circuit that is connected to the voice circuit 530 of the wireless device 51 and controls a hands-free function and a voice call function, and is connected with a microphone 620 and a speaker 630.

The handset 55 is connected to the cradle 53 via a curl cord 650. Voice circuit 71
0 is connected to the microphone 712 and the speaker 714, and is also connected to the audio circuit 610 of the cradle. In addition to this, a key input unit 716, a control circuit 718, an LCD driver 720, and an LCD are provided.

Next, the control procedure of the portable telephone device 1 (hereinafter referred to as a portable telephone) and the in-vehicle telephone device 5 (hereinafter referred to as an in-vehicle telephone) will be described with reference to FIG. When the mobile phone 1 is not attached to the attachment device 3, power is supplied to the internal circuit of the mobile phone (step 1a). In this state, the voltage detection circuit 16 constantly monitors whether the output voltage 9.5V from the regulator 32 is connected. 9.
When detecting 5V, the voltage detection circuit 16 outputs a high level signal. Therefore, the control circuit 25 constantly monitors whether or not the detection signal output from the voltage detection circuit 16 has become High level (step 1b). When the high-level detection signal is received, connection completion information indicating that the mobile phone 1 has been connected to the mounting device 3 is transmitted to the vehicle-mounted phone 5 side (steps 1c and 1d).

On the other hand, the in-vehicle telephone 5 shuts off the power supply except for the control circuit 536 until the connection completion information is received (step 5a). When the connection completion information is received from the mobile phone 1 (steps 5b and 5c), the NAM data written in advance in the ROM 538 is read and transmitted to the mobile phone (step 5d).

If the mobile telephone 1 does not receive the NAM data from the vehicle-mounted telephone within a certain time after transmitting the connection completion information in step 1d, it returns to the standby state of step 1b (steps 1e and 1f). When the NAM data is received, the NAM data written in the ROM 24 is read out and compared with the received NAM data for comparison (step 1g). If they do not match, a reset signal is transmitted to the in-vehicle telephone (step 1h), and an error display or a message indicating that connection is not possible is displayed (step 1).
i).

In the in-vehicle telephone 5, NA is set in step 5d.
When a reset signal is received from the mobile phone within a fixed time after transmitting the M data to the mobile phone, the operation returns to the standby state of step 5b (steps 5e and 5f). If the reset signal is not received within a fixed time, the supply of power to each unit is started (step 5g).

On the other hand, in the portable telephone 1, when it is confirmed in step 1g that both NAM data match each other, the power supply other than the voltage detection circuit is cut off. (Step 1j). Then, the signal from the voltage detection circuit 16 changes from High level to Low level.
Check whether to switch to level (step 1
k). When the control circuit 25 receives the low-level signal from the voltage detection circuit, it transmits disconnection information indicating that the mobile phone 1 has been detached from the mounting device 3 to the vehicle-mounted phone (steps 11 and 1m).

In step 5g, the in-vehicle telephone 5 starts supplying power to each part, and then monitors the arrival of the disconnection information from the portable telephone, and if this information is received, returns to step 5a (step 5h).

In the present embodiment, when the mobile phone is connected to the in-vehicle phone, the power supply to the mobile phone other than the voltage detection circuit is cut off to prohibit key input and transmission / reception, and key input / transmission to the in-vehicle phone. Since only the reception is permitted and the use of the personal information of the mobile phone is permitted for the in-vehicle telephone device, key input, even when both are connected as in the conventional example,
Compared with the case where the mobile phone has to be used for transmission and reception, the input operation can be performed using the in-vehicle telephone handset that is large enough to operate, and the operability is improved.

In the above embodiment, the common NAM data is transmitted and received as it is to confirm whether or not the two coincide with each other. However, the present invention is not limited to this, and the predetermined code corresponding to the NAM data is transmitted without directly transmitting and receiving the NAM data. You may send and receive instead.

Further, in the above embodiment, the same NAM data is stored in both the mobile phone and the in-vehicle phone to confirm the agreement between the two, but the present invention is not limited to this, and NA is applied only to the mobile phone.
The MAM data may be stored and the NAM data may be transferred from the mobile phone to the in-vehicle phone when connected.

[0032]

As described above, according to the present invention, when the portable telephone device is connected to the in-vehicle telephone device, the input to the portable telephone device is prohibited, the input to the in-vehicle telephone device is permitted, and the portable telephone device is carried. Since the in-vehicle telephone device is allowed to use the personal information of the telephone device, the user can perform an input operation by using the input means of the in-vehicle telephone device which is sufficiently larger than the mobile telephone device, so that the operability of the conventional device is reduced. It is much improved compared to the case where the operation is performed from the mobile phone device as described above.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing a configuration of a wireless telephone device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a wireless telephone device according to an embodiment of the present invention.

3 is a flowchart showing a control procedure in two control circuits of the device shown in FIG.

[Explanation of symbols]

1 ... Mobile phone device, 3 ... Mounting device, 5 ... In-vehicle phone device,
16 ... Voltage detection circuit, 25, 536 ... Control circuit, 520
… Transceiver, 55… Handset

Claims (2)

[Claims] 1. An in-vehicle telephone device having a handset, a portable telephone device having unique information for establishing a communication link with a base station, and a connecting means for connecting the portable telephone device to the in-vehicle telephone device. A wireless telephone device comprising connection detecting means for detecting that the portable telephone device is connected to the in-vehicle telephone device via the connecting means, wherein the portable telephone device is in accordance with an output result of the connection detecting means. In a state where the mobile phone device is not connected to the in-vehicle telephone device, an independent operation is permitted to the mobile phone device and an independent operation is prohibited to the in-vehicle phone device. A control hand that prohibits the independent operation of the mobile phone device in the connected state and permits the in-vehicle phone device to use the unique information to allow the independent operation. Radio telephone apparatus comprising: a. 2. The mobile phone device has an input unit and a transmission / reception unit, and the control means prohibits the operation of the transmission / reception unit when the mobile phone device is connected to the vehicle-mounted telephone device, and controls the input from the input unit. The wireless telephone device according to claim 1, wherein the wireless telephone device is prohibited.