JPH04192820A - Mobile radio telephone set - Google Patents

Abstract

PURPOSE:To reduce the design cost of a booster and the product cost by utilizing an existing on-vehicle mobile radio telephone set by providing a terminal and a switch part on a portable telephone set. CONSTITUTION:A portable telephone set 40 is provided with terminals 45, 49, 51 and 57 and a switch part 41. In such a state, a sound signal of a microphone 11 and circuit connecting information of a control part 25 are outputted to the outside, and also, a sound signal from the outside is sounded by a loudspeaker 21, and by using a booster device and an existing on-vehicle mobile radio telephone set, and connecting this booster device, the portable telephone set 40 is set to a high output and high sensitivity. In such a way, by utilizing the existing on-vehicle mobile radio telephone set, the design cost of the booster device is reduced, and the product cost can be reduced.

Description

[Detailed Description of the Invention] [Summary] The purpose of this invention is to reduce the design cost of a booster and reduce the product price by using an existing mobile radio telephone for use in a vehicle, with respect to a mobile radio telephone for use in a mobile or vehicle. 1 antenna, a microphone and a first transmitter,
In a mobile radio telephone having a first receiving section and a speaker, and a first control section that stores line connection information and controls the first transmitting section and the receiving section, the audio signal and the line connection information are transmitted to the outside. A first terminal for input/output, and supplying the audio signal of the microphone to the first transmitting unit or the outside under the control of the first control unit, and receiving the audio signal from the first receiving unit or the outside. It has a switch unit that switches the supply to the speaker, and further includes a second antenna having a higher gain than the first antenna, a second transmitting unit having a higher pressure than the first transmitting unit, and a second transmitting unit having a higher pressure than the first transmitting unit. An in-vehicle booster device having a receiving section, a control section that controls the second transmitting section and the receiving section, and a second terminal that is connected to the first terminal and inputs and outputs audio signals and line information, respectively. and is configured to transmit the audio signal of the microphone using the second transmitter and antenna, and supply the audio signal received by the second antenna and receiver to the speaker to generate sound.

[Industrial application field]

TECHNICAL FIELD The present invention relates to mobile radio telephones, and relates to portable or vehicle-mounted mobile radio telephones.

In recent years, mobile communication systems using portable or vehicle-mounted mobile radio telephones have become commonplace. In such a mobile communication system, an in-vehicle mobile radio telephone has output 3, for example.
For example, a portable mobile radio telephone has an output of 0.6 for W.
Since the output power is small (W), it is considered that the output power can be increased to 3W by connecting a portable mobile radio telephone to an on-vehicle booster.

[Conventional technology]

FIG. 6 shows a block diagram of a conventional telephone and booster.

In the figure, a portable mobile radio telephone 10 has a microphone 11.
Transmitting audio circuit (T-BB) supplied with audio signals from
12, modulation circuit (MOD) 13, and transmission circuit (TX)
Transmitter 1 with low output of 0.6W consisting of 14 and
5, a receiving circuit (RX) 17 supplied with the received signal of the transmitter/receiver 16, a demodulating circuit (DEM) 18, and a receiving section 20 and speaker 21, which are composed of a receiving audio circuit (R-BB) 19. , a control section 25 including a memory 22 for controlling the transmitting section 15 and the receiving section 20, a control circuit (CONT) 23, and an interface circuit (INT) 24.

The booster 30 includes a circulator 31 connected to the duplexer 16 via the antenna terminal 10a of the telephone 10 from a terminal 30a, a transmission preamplifier 32, and a transmission filter 3.
3, a transmission amplifier 34, and an automatic power control circuit (APC).
) 35, a transmitter/receiver duplexer 36, a reception preamplifier 37,
A'PC based on instructions from the control circuit 23 of the telephone 10
35, and a control circuit 38 for controlling the control circuit 35.

[Problem to be solved by the invention]

In conventional mobile radio telephones, the telephone 10 is also used when connecting the booster 30, or the booster 30 has to be newly designed and developed, which increases the design cost and makes the product expensive. .

The present invention has been made in view of the above points, and it is an object of the present invention to provide a mobile radio telephone that utilizes an existing vehicle-mounted mobile radio telephone to reduce the design cost of a booster and reduce the product price.

[Means to solve the problem]

The mobile radio telephone of the present invention includes a first antenna, a microphone and a first transmitter, a first receiver and a speaker, and a first antenna that stores line connection information and controls the first transmitter and receiver. In a mobile radio telephone having a first controller, the first controller inputs and outputs audio signals and line connection information to the outside.
a terminal, and a switch unit configured to supply the microphone's sound re-signal to the first transmitting unit or the outside and to supply the audio signal from the first receiving unit or the outside to the speaker under the control of the first control unit. has.

Further, a second antenna having a higher gain than the first antenna,
a second transmitting section with higher output than the first transmitting section; a second receiving section; a control section for controlling the second transmitting section and the receiving section; and an in-vehicle booster device having second terminals for inputting and outputting the respective signals, transmitting the audio signal of the microphone using the second transmitting section and antenna, and transmitting the audio signal received by the second antenna and receiving section. A signal is supplied to a speaker to generate sound.

[Effect]

In the present invention, since the first terminal and the switch section are provided in the portable telephone, the audio signal of the microphone and the line connection information can be outputted to the outside, and the audio signal from the outside can be outputted by the speaker, so that it can be used as a booster device. Existing in-vehicle mobile radio telephones can be used almost as they are, and by connecting this booster device, the telephone can be made to have high output and high sensitivity.

Therefore, there is no need to newly design the booster device, and only a few design changes are required, and design costs can be reduced.

〔Example〕

FIG. 1 shows a block diagram of one embodiment of a portable mobile radiotelephone 40 of the present invention. In the figure, the same parts as in FIG. 6 are given the same reference numerals, and their explanations will be omitted.

In FIG. 1, an audio signal output from a receiving audio circuit (R-BB) 19 is supplied to switches SWI and SW2 of a switch section 41. Also, an audio signal is input to the terminal 45 from an adapter described later, and the switch SW3 of the switch section 41. SW6
supplied to

It is connected to the speaker 21 via an amplifier 46 connected to the switch SW2 or SW6. Microphone 1
The audio signal outputted by 1 is sent from the amplifier 47 to the switch section 41.
The signal is supplied to switch SW4.3W5. switch SW
The audio signal extracted from SW 3 or SW 4 is supplied to the transmission audio circuit (T-BB) 12 of the transmitter 15 . Also, the audio signal taken out from the switch SWI or SW5 is sent to the amplifier 4.
8 and is supplied to a terminal 49 for connecting an adapter.

The interface circuit (INT) 24 of the control unit 25 is connected to the adapter connection terminal 5I through the control signal line 50. In addition, the signal line 50 has an operation key (KEY).
) 52 and display control circuit (Dl5P-CONT) 53
A display 54 is connected to the display control circuit 53, and information input using the operation keys 52 is supplied to the control section 25 and displayed on the display section 54 under control from the control section 25.

Furthermore, the duplexer 16 is connected via a switch 61 to an antenna 56 and to a terminal 57 for connecting an adapter. The switch 61 is switched under the control of the control section 25 and is connected to the antenna 56 when the portable telephone 40 is used alone. The power supply section 58 stabilizes the power supply from the battery 59 and supplies the transmitting section 15, the receiving section 20,
Power is supplied to the entire circuit of the telephone, such as the switch section 41.

Further, the battery 59 can be charged from a terminal 60 for connecting an adapter.

The above-mentioned portable telephone 40 is connected to a vehicle-mounted booster device 70 shown in FIG. The booster device 70 includes a booster section 71, a hand-free section 72, and an adapter section 73.

As shown in FIG. 3, the booster section 71 includes a transmitting audio circuit (T-BB) 82 that is supplied with an audio signal from a terminal 81;
A transmitting section 85 includes a modulating circuit (MOD) 83 and a transmitting circuit (TX) 84, a receiving circuit (RX) 87 supplied with a received signal from a duplexer 86, and a demodulating circuit (D
EM) 88, a receiving section 90 that outputs an audio signal from a terminal 91, and a memory 92 and a control circuit (CONT) 93 that control the transmitting section 85 and the receiving section 90. and interface circuit (INT) 9
The control unit 95 is composed of 4 and 4. The interface circuit 94 is connected to a terminal 99 for hands-free connection, and the duplexer 86 is connected to a high-gain vehicle-mounted antenna 96. Further, the output of the transmitting section 85 is high, for example, 3 W, and the power supply section 97 stabilizes the automobile battery power supplied via the terminal 98 and supplies it to each section.

Returning to FIG. 2, the portable telephone 40 has terminal 4.
5, 49, 51, and 57.60 are connected to terminals 101, 102, 103, 104, and 105 of the adapter section 73, respectively. An adapter connection signal generation circuit (ADPSG) 107 in the adapter section 73 generates a signal representing adapter connection and supplies it to the mobile phone 40 from a control signal line 108 via a path to a terminal 103.51.

The power supply section 110 stabilizes the vehicle battery power supplied through the terminal 111 and supplies it to each section.

The charging section 112 is supplied with power from the power supply section 110 and charges the battery 59 of the portable telephone 40 through terminals 105 and 60 that are connected only when the portable telephone 40 is placed on the adapter section 73.

A hook detection circuit (HOOK) 113 monitors the charging current to detect an on-hook state in which the mobile phone 40 is placed on the adapter section 73, and sends an on-hook detection signal to the phone 40 from the terminal 103 through the control signal line 108. It is also supplied to the hand free part 72 from the terminal 123.

In the adapter section 73, terminals 101 and 102 are audio line 1.
15 and 116 to 121 and 122, respectively, terminal 103 is connected to terminal 123 by control signal line 108, and terminal 104 is connected to terminal 124.

Further, the power supply unit 110 is connected to the hand-free portion 72 from the terminal 125.
to supply power.

The terminals 131, 132, 133 of the hand-free part 72 are connected to the terminals 121, 122, 123 of the adapter part 73, respectively, and the power supply part 135 stabilizes the power supplied from the adapter part 110 through the terminals 136, 125. and supplies it to each part of the hand-free part 72.

Also, terminal 136.137.138 of hand free part 72
Each is connected to a terminal 81, 91.99 of the booster section 71, respectively. A control signal line 140 in the hand-free section 72 connects between terminals 133 and 138 and connects control line 1
A control unit (CONT) 141 is connected to 40.

The audio signal output from the microphone 142 is sent to the amplifier 143.
is supplied to the audio processing unit 144 through the audio processing unit 14.
The audio signal outputted by No. 4 is supplied to a speaker 146 through an amplifier 145. The audio processing unit 144 controls the audio level, connects the terminals 131 and 137, and connects the terminals 132 and 136, and also connects the output audio signal of the microphone 142 to the terminal 136 in the on-hook state under the control of the control unit 141. and the audio signal from the terminal 137 is supplied to the speaker 146.

Here, as shown in FIG. 2, the mobile phone 40 is connected to the adapter 7.
3 and starts the engine of the automobile, power is supplied from the automobile battery to the booster section 71 and the adapter section 73, and an adapter connection signal is supplied from the ADPSG 107 of the adapter section 73 to the control section 23 of the telephone 40.

The control section 25 of the mobile phone 40 uses the control signal line to control the booster section 71. Control unit 9 of each hand-free part 72
5. Make a status request to each of the 141, and recognize from the status response that the booster section 71 is connected. Thereafter, the control unit 25 of the mobile phone 40 transfers line connection information such as the device identification number, mobile radio registration number, and telephone number of the mobile phone 40 from the memory 22 and information regarding the other party such as speed dialing to the control signal line. The data is transferred to the control unit 95 of the booster unit 71 and stored in the memory 92.

When the transfer of the information is completed, the control section 25 sends the information to the transmitting section 15.
The operation of the receiving section 20 is stopped and only the switch section 41 is controlled, and the control section 95 controls the transmitting section 85 and the receiving section 9.
Start the operation of 0.

In other words, the booster section 71 performs transmission/reception operations only when the mobile phone 4o is connected via the adapter section 73.

Incidentally, as shown in FIG. 4, it is also possible to remove the booster portion 71 from the booster device 7o and connect only the hands-free portion 72. In this case, the terminals 121, 122, and 123 of the adapter part 73 are connected to the hand-free part 72.
terminals 136, 137, and 138, respectively. Also,
A vehicle-mounted high-gain antenna 150 is connected to the terminal 124 of the adapter section 73.

FIG. 5 shows a flowchart of processing executed by the control unit 25 of the mobile phone 40. As shown in FIG.

In the figure, when the power is turned on, processing starts, and step S
1, the mobile phone 40 is not connected to the adapter part 73, or the hands-free connection is connected to the adapter part 73 and the hands-free part 72 as shown in FIG.
Or, as shown in FIG. 2, it is determined whether the booster connection is connected to the adapter section 73, hand-free section 72, and booster section 71.

For hands-free connection, switch SW in step S2
2. SW4. SW5. Turn off SW6 and switch SWI
, SW3 is turned on to supply the audio signal output from the R-BB 19 to the speaker 146, and the audio signal output from the microphone 142 to the T-BBI 2, thereby transitioning to a communication or communication standby state (step S3). After this, in step S4, if the communication has not ended, it is detected whether it is in an off-hook state (step S5), and if it is in an off-hook state, the process returns to step S2, and if it is in an off-hook state, in step S6, the switches SWI, SW3, SW5, . SW6 is turned off, switches SW2°3W4 are turned off to switch to using the microphone 11 and speaker 21 of the mobile phone 40, and the process returns to step S2.

In the case of booster connection, various information is transferred from the control unit 25 to the control unit 95 in step S8, and the transmitting unit 1 is transferred in step S9.
5 and the receiving section 20, and in step SIO, all switches SW1 to SW6 are turned off, and the R-BB89 is turned off.
The B89 output signal is supplied to the speaker 146, and the audio signal output from the microphone 142 is supplied to the T-BB82, thereby transitioning to a communication or communication standby state (step 5ll).

After this, if the communication is not completed in step S12, it is detected whether the on-hook state is present (step 513), and if the on-hook state is found, the process returns to step SIO, and if the off-hook state is found, the switch SWI, SW is switched in step S14.
2. SW3. Turn off SW4 and switch SW5.3W
6 is turned on to switch to use the microphone 11 and speaker 21 of the mobile phone 40, and step S
1. Return to l.

If there is no connection, switch SW1. SW
3. SW5. Turn off SW6 and switch SW2.3W
4 is turned on, the audio signal output from R-BB I 9 is supplied to the speaker 21, and the audio signal output from the microphone 11 is supplied to the T-BB 12, thereby transitioning to a communication or communication standby state (step 516). After this, step S
If the communication is not completed in step S17, the process returns to step S16.

In this way, the terminals 45, 49°, 51.
57 and the switch section 41, the microphone 1
The voice signal of 1 and the line connection information of the control unit 25 can be outputted to the outside, and the voice signal from the outside can be outputted from the speaker 2. 70 can be connected to make the mobile phone 40 have high output and high sensitivity. Therefore, there is no need to newly design the booster device 70, and only a few design changes are required, and design costs can be reduced.

〔Effect of the invention〕

As described above, according to the mobile radio telephone of the present invention, the design cost of the booster device can be reduced by using an existing vehicle-mounted mobile radio telephone, and the product price can be reduced, which is extremely useful in practice. .

[Brief explanation of the drawing]

Fig. 1 is a block diagram of an embodiment of a portable mobile radio telephone of the present invention, Fig. 2 is a connection configuration diagram of an embodiment of the portable telephone and booster device of the present invention, and Fig. 3 is a block diagram of the booster section. 4 is a connection configuration diagram of a modified example of the telephone of the present invention, FIG. 5 is a flowchart of processing executed by the mobile phone, and FIG. 6 is a connection configuration diagram of an example of a conventional mobile phone and a booster. be. In the figure, 11.142 is a microphone, 15.85 is a receiving section, 20.90 is a transmitting section, 21.146 is a speaker, 25.95 is a control section, 41 is a switch section, 56.96 is an antenna, and 70 is a booster 71 is a booster part, 72 is a hand-free part, and 73 is an adapter part. Booster@at) Z'cz・72Figure 3

Claims (2)

[Claims] (1) A first antenna (56) and a microphone (11)
), a first transmitter (15), and a first receiver (20)
and the speaker (21), and the line connection information is stored.
In a mobile radio telephone having a first control section (25) that controls a transmitting section and a receiving section of
terminals (45, 49, 51) and, under the control of the first control section, supply the audio signal of the microphone to the first transmitting section or the outside, and supply the audio signal from the first receiving section or the outside. A mobile radio telephone characterized in that it has a switch section (41) for switching to supply a signal to the speaker. (2) The mobile radio telephone according to claim (1), a second antenna (96) having a higher gain than the first antenna (56), and a second antenna (96) having a higher output than the first transmitter (15).
a transmitting section (85), a second receiving section (90), and a second receiving section (90);
a control unit (95) that controls the transmitting unit and receiving unit; and second terminals (101 to 103) that are connected to the first terminals (45, 49, 51) and input and output audio signals and line information respectively.
), and transmits the audio signal of the microphone (11) to the second transmitter (
85) and an antenna (96), and an audio signal received by the second antenna (96) and the receiving section (90) is supplied to the speaker (21) to generate sound. Wireless telephone.