JP3019889B2 - Mobile phone - Google Patents

Abstract

PURPOSE:To provide a mobile telephone set operated as a small and light analog mobile telephone set, and operated as a digital mobile telephone set when it is connected to extension radio equipment. CONSTITUTION:A transmission/reception circuit 103 of analog system, a system controller 114, a connector 150 connected to the extension radio equipment which performs at least transmission/reception of digital system, and a detection circuit 121 which detects whether or not the set 1 is connected to the extension radio equipment are provided. When the detection output S01 of the detection circuit 121 shows that the telephone set body is not connected to the extension radio equipment, a receiver 101, a transmitter 102, and the system controller 114 are connected to the transmission/reception circuit 103. When the detection output S01 of the detection circuit 121 shows that the telephone set body is connected to the extension radio equipment, the receiver 101, the transmitter 102, and the system controller 114 are connected to the extension radio equipment via the connector 150.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile telephone with improved usability.

[0002]

2. Description of the Related Art In a small-zone mobile telephone system, that is, in a so-called cellular system, signals transmitted and received between a mobile telephone and a base station are analog signals. Like devices, digitization is expanding, and signals transmitted and received between a mobile phone and a base station are also using digital signals in addition to conventional analog signals.

For this reason, mobile telephone usage contracts include analog mode, digital mode and dual mode contracts. In the case of the analog mode or digital mode, signals transmitted and received between the mobile telephone and the base station are used. Is an analog signal or a digital signal. Also, in the case of a dual mode contract, the mobile phone becomes an analog / digital dual-purpose device, and the transmitted and received signals are
Both analog and digital signals can be used, so dual mode machines can be used in both analog and digital areas.

[0004] When a digital mode machine or a dual mode machine is used in the digital mode, a high-quality call can be made.

[0005]

When the mobile phone is an analog mode machine, the size and weight of the mobile phone, especially the size and weight of a mobile phone, can be reduced sufficiently. However, in the digital mode machine, it is difficult to reduce the size of the digital mode machine to the same extent as the analog mode machine due to complicated processing contents and an increase in the number of parts, and the size or weight is unsuitable for carrying.

The present invention seeks to solve these problems.

[0007]

Therefore, according to the present invention, if the reference numerals of the respective parts correspond to the embodiments described later, an analog system having a receiver 101, a transmitter 102, a transmitting function and a receiving function is provided. A transmission / reception circuit 103, a key 112, a system controller 114 for controlling transmission / reception in accordance with the output of the key 112 and data from the base station, and a connector 150 connected to the extended wireless device 2 for performing at least digital transmission / reception. And a detection circuit 121 for detecting whether or not the user 1 is connected to the extension wireless device 2. Detection output S01 of detection circuit 121
However, when it indicates that the user 1 is not connected to the extension wireless device 2, the receiver 101 and the transmitter 102 are connected to the transmission / reception circuit 103, and the system controller 114 is connected to the transmission / reception circuit 103. 1
When the detection output S01 of 21 indicates that the user 1 is connected to the extended wireless device 2, the receiver 101 and the transmitter 102 are connected to the extended wireless device 2 through the connector 150, and the system controller 114 is connected.
Is connected to the extended wireless device 2 through the connector 150.

[0008]

When the personal computer 1 is used alone without being connected to the extended wireless device 2, the cellular phone 1 operates as a small and lightweight portable telephone. When the portable telephone 1 is connected to the extended wireless device 2 and used, it operates as a digital mobile telephone. I do.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIGS.
Indicates an extended wireless device, and the telephone body 1 can be used alone or in combination with the extended wireless device 2.

The telephone body 1 is of an analog type, 101 is a receiver, 102 is a transmitter, 103 is an analog transmitting / receiving circuit, 104 is a transmitting / receiving antenna, and the transmitting / receiving circuit 103 is The audio signal and various kinds of data are accessed between a base station (not shown) through upstream and downstream analog channels.

Reference numeral 111 denotes an LCD; 112, keys such as a dial key and a call key; 113, a ringer;
Indicates a microcomputer for system control. The microcomputer 114 controls the transmission / reception circuit 1
03, processing of various data accessed between the telephone body 1 and the base station, key input processing, display processing, and the like. Also, the memory 115 of the microcomputer 114
The telephone stores data unique to the telephone main body such as the identification code (ESN) and telephone number (MIN) of the telephone main body 1, and also stores data set by the user such as abbreviated numbers.

Further, reference numeral 121 denotes a connection detecting circuit for detecting whether or not the telephone main body 1 is connected to the extended wireless device 2. Then, the detection output S01 of the detection circuit 121 is output from the switch circuits 141 to 143.
To the transmission / reception circuit 103 as a control signal for permitting / prohibiting the operation. Reference numeral 131 denotes a rechargeable battery (not shown), and the voltage of the battery 131 is supplied to each unit as its operating voltage.

Reference numeral 150 denotes a connector. When the telephone body 1 is used alone, the connector 15 is used.
Nothing is connected to 0. However, when the telephone body 1 is used in combination with the extended wireless device 2, the connector 150 of the cable 3 is connected to the connector 150, and the telephone body 1 is connected to the extended wireless device 2 through the cable 3.

The extended radio apparatus 2 is of a digital type, and 203 is a transmission / reception circuit, 204 is a transmission / reception antenna, and the transmission / reception circuit 203
Is a digital type, and accesses a voice signal and various data to and from a base station through up and down digital channels.

Reference numeral 214 denotes a digital processing circuit;
The processing circuit 214 performs digital processing of an audio signal and various data accessed between the telephone body 1 and the base station.

Reference numeral 221 denotes a connection detection circuit which detects whether or not the telephone main body 1 is connected to the extended wireless device 2. The detection output S02 of the detection circuit 221 is transmitted to the transmission / reception circuit 203 and the digital circuit. Processing circuit 2
14 are supplied as control signals for those operations. Reference numeral 231 denotes a power supply circuit. Although not shown, the output voltage of the power supply circuit 231 is supplied to each unit as its operating voltage and also to the charging circuit 232. In addition,
The charging circuit 232 is for charging the battery 131, and in this example, the detection circuits 121 and 221
Is to determine that the telephone body 1 is connected to the extended wireless device 2 when the charging is being performed.

As shown in FIG. 3, for example, the extended wireless device 2 is provided in a trunk room at the rear of a car, and a stand 4 is provided on a dashboard of the car, and a connector 350 is provided on the stand 4. The connector 150 and the connector 350 are provided when the telephone body 1 is set on the table 4.

In such a configuration, when the telephone main body 1 is a single body, it can be used as a normal analog mobile telephone or mobile telephone. That is, in this case, since no voltage is supplied to the contact 154 of the connector 150, the detection output S01 of the detection circuit 121 becomes "0", and the switch circuits 141 to 143 of FIG. While connected to the state, the operation of the transmission / reception circuit 103 is permitted. In addition, the fact that the battery 131 is not charged, that is, that the telephone body 1 is not connected to the extended wireless device 2,
The microcomputer 114 is notified by the detection signal S01.

Further, at this time, the detection circuit 221 detects that the battery 131 has not been charged from the charging circuit 232, that is, that the telephone body 1 is not connected to the extended wireless device 2. Detection output S02
Accordingly, the operations of the transmission / reception circuit 203 and the digital processing circuit 214 are prohibited.

When the transmission and reception of the transmission / reception circuit 103 and the channel are controlled by the microcomputer 114, such as at the time of calling or receiving a call, control data is serially output from the microcomputer 114, and the output control signal is output. The data is transmitted to the transmission / reception circuit 103 through the switch circuit 143.
And the transmission / reception circuit 103 is controlled. Further, data obtained in the transmission / reception circuit 103 is also serially supplied to the microcomputer 114 through the switch circuit 143. At this time, a part of the data transmitted from the base station is supplied to the LCD 111 as necessary and displayed.

Further, when data is accessed between the telephone body 1 and the base station, the data is transmitted from the microcomputer 114 through the switch circuit 143 to the transmission / reception circuit 1.
In addition, the signal is supplied to the transmission / reception circuit 103 and converted into a transmission signal of an up channel in the transmission / reception circuit 103, and the transmission signal is transmitted to the base station via the antenna 104.
For example, when the telephone number of the other party is input from the key 112, data indicating the telephone number is supplied from the microcomputer 114 to the transmission / reception circuit 103 via the switch circuit 143, converted into an upstream channel transmission signal, and transmitted to the base station. .

Further, a downlink transmission signal from the base station is received by the antenna 104 and supplied to the transmission / reception circuit 103. From the transmission / reception circuit 103, data from the base station is taken out serially.
Through the microcomputer 114. At this time, a part of the data transmitted from the base station is supplied to the LCD 111 as necessary and displayed.

Thus, the microcomputer 114 and the transmitting / receiving circuit 1
03 is accessed between them through the switch circuit 143. In addition, the telephone body 1
Necessary data is further accessed between the terminal and the base station through the transmission / reception circuit 103. In this case, the base station transmits the identification code (ESN) and the telephone number (MIN)
When data unique to the telephone body is required, the data held in the memory 115 is used.

Further, during a call, the voice signal from the transmitter 102 is transmitted through the switch circuit 142 to the transmission / reception circuit 1.
The signal is supplied to the base station 03 and converted into an uplink transmission signal. The transmission signal is transmitted to the base station via the antenna 104. Further, a transmission signal of a downlink channel from the base station is received by the antenna 104 and the transmission / reception circuit 10
3, an audio signal of the other party is extracted from the transmission / reception circuit 103, and the audio signal is supplied to the receiver 101 through the switch circuit 141.

Thus, a telephone call can be made using the telephone body 1. Also, during this call, data is accessed between the microcomputer 114 and the transmission / reception circuit 103 or between the telephone main body 1 and the base station, as necessary, as described above.

Therefore, when the telephone body 1 is used alone, it can be used as a normal analog type mobile telephone or portable telephone. At this time, the extended wireless device 2 is not operating.

On the other hand, when the telephone body 1 is set on the table 4, it can be used as a digital mobile telephone. That is, the telephone body 1 is
, The connector 150 and the connector 350 are connected, and the voltage from the charging circuit 232 is changed to the cable 3 →
Contact 354 of connector 350 → Contact 1 of connector 150
54 → The battery 131 is charged through the line of the diode 132. At this time, the contact 1 of the connector 150
The increase in the potential of the potential 54 is detected by the detection circuit 121, and the detection output S01 becomes "1".
The switch circuits 141 to 143 are connected in a state opposite to that shown in the figure, and the operation of the transmission / reception circuit 103 is prohibited.
The microcomputer 114 is notified by the detection signal S01 that the battery 131 is being charged, that is, the telephone main body 1 is connected to the extended wireless device 2.

Further, at this time, the detection circuit 221 detects that the battery 131 is being charged from the charging circuit 232 and that the telephone main body 1 is connected to the extended wireless device 2, and the detection output S02 Transmission / reception circuit 20
3 and the operation of the digital processing circuit 214 are permitted.

When the microcomputer 114 controls the transmission / reception and the channel of the transmission / reception circuit 103, such as at the time of calling or receiving a call, control data is serially output from the microcomputer 114 and the output control signal is output. The data is from the switch circuit 143 to the contact 1 of the connector 150.
53 → the contact point 353 of the connector 350 → the cable 3 is supplied to the digital processing circuit 214 through the line, and the processing circuit 214 and the transmission / reception circuit 203 are controlled. The data obtained in the processing circuit 214 and the transmission / reception circuit 203 is obtained by the processing circuit 214 → cable 3 → connector 350
Is supplied to the microcomputer 114 through the line of the contact 353 → the contact 153 of the connector 150 → the switch circuit 143. At this time, part of the data is changed to L if necessary.
It is supplied to the CD 111 and displayed.

Further, when data is accessed between the telephone body 1 and the base station, the data is transmitted through the line of the microcomputer 114 → the switch circuit 143 → the contact 153 of the connector 150 → the contact 353 of the connector 350 → the cable 3. The digital data is supplied to the digital processing circuit 214 and subjected to predetermined processing. The processed data is supplied to the transmission / reception circuit 203 and is converted into a transmission signal of an up channel by the transmission / reception circuit 203. A signal is transmitted to the base station via antenna 204. For example, when the telephone number of the other party is input from the key 112, the data indicating the telephone number is supplied from the microcomputer 114 to the transmission / reception circuit 203 through the connectors 150 and 350, converted into an upstream channel transmission signal, and transmitted to the base station. You.

A transmission signal of a downlink channel from a base station is received by an antenna 204 and transmitted and received by a transmission / reception circuit 20.
3, data from the base station is taken out from the transmission / reception circuit 203, and the data is supplied to the processing circuit 214 to perform predetermined processing. The processed data is transferred from the processing circuit 214 to the cable. 3 → contact 353 of the connector 350 → contact 153 of the connector 150 → supplied to the microcomputer 114 through the line of the switch circuit 143.
At this time, part of the data may be
It is supplied to 111 and displayed.

In this way, necessary data is accessed between the telephone main body 1 and the base station through the extended wireless device 2. In this case, the base station uses the identification code (ESN)
When data unique to the telephone body such as a telephone number (MIN) and the like is required, the data held in the memory 115 is used.

Further, during a call, a voice signal from the transmitter 102 is supplied to the digital processing circuit 214 through the line of the switch circuit 142 → the contact 152 of the connector 150 → the contact 352 of the connector 350 → the cable 3; After being digitally processed in 214, the digital signal is supplied to the transmission / reception circuit 203 and converted into an uplink transmission signal. This transmission signal is transmitted to the base station via the antenna 204.

A transmission signal of a downlink channel from the base station is received by the antenna 204 and the transmission / reception circuit 20
3, the signal from the transmission / reception circuit 203 is digitally processed in the digital processing circuit 214, and the other party's audio signal is extracted. This audio signal is converted into the cable 3 → the contact 351 of the connector 350 → the contact 151 of the connector 150.
→ Supplied to the receiver 101 through the line of the switch circuit 141.

Thus, a telephone call can be made using the telephone main body 1 and the extended wireless device 2. Further, even during this call, data is accessed between the telephone body 1 and the base station as needed in the same manner as described above.

Therefore, when the telephone body 1 is used, for example, from a car, it can be used as a normal digital telephone body. If the transmission / reception circuit 203 can also transmit / receive an analog signal, it can be used as a dual mode device.

As described above, according to the present invention, the mobile telephone is divided into the telephone main body 1 and the extended wireless device 2, and the telephone main body 1 is configured as an analog telephone which can be used alone. Since the configuration is such that digital processing is performed, the telephone body 1 can be sufficiently reduced in size and weight. If the telephone body 1 is combined with the extension wireless device 2, it can be used as a digital mobile telephone.

Further, whether the telephone body 1 is used alone or as a digital mobile telephone in combination with the extended wireless device 2, the identification code (ESN) and the telephone number (MIN) stored in the memory 115 are used. ) Is used, so only one mobile phone contract is required.
Also, regardless of whether the telephone body 1 is used as an analog type or a digital type, it is only necessary for the other party to call the same telephone number, and it is conscious whether the telephone body 1 is an analog type or a digital type. No need.

Further, since all the human interface parts such as the receiver 101 and the transmitter 102 are provided in the telephone body 1, the usage is not changed between the analog mode and the digital mode, and the usability is good.

In the above description, when the telephone body 1 is connected to the extension wireless device 2, the identification code (ESN) stored in the memory 115, the telephone number (MIN), or an arbitrary identification stored in advance. The code may be compared and checked with a value stored in the extended wireless device 2 so that the extended wireless device 2 can be used only when the value is correct.

Further, in the above description, the detection circuit 12
1, 221 detects whether or not the battery 131 is being charged, thereby detecting whether or not the telephone main body 1 is connected to the extended wireless device 2. However, a dedicated signal line for detecting connection is provided. Alternatively, detection means may be provided in the connectors 150 and 350. In addition, the extension wireless device 2 may not be configured to be mounted on an automobile, and the telephone body 1 may be directly detachable from the extension wireless device 2 without using the cable 3.

[0042]

According to the present invention, a mobile telephone is divided into a telephone main body 1 and an extended wireless device 2, and the telephone main body 1 is configured as an analog telephone which can be used alone. Since the configuration is such that digital processing is performed, the telephone body 1 can be sufficiently reduced in size and weight. Then, the telephone body 1 is connected to the extension wireless device 2.
Can be used as a digital mobile phone.

In addition, when the telephone body 1 is used alone or when it is used as a digital mobile telephone in combination with the extended wireless device 2, the identification code (ESN) and the telephone number (MIN) stored in the memory 115 are used. ) Is used, so only one mobile phone contract is required.
Also, regardless of whether the telephone body 1 is used as an analog type or a digital type, it is only necessary for the other party to call the same telephone number, and it is conscious whether the telephone body 1 is an analog type or a digital type. No need.

Further, since all the human interface parts such as the receiver 101 and the transmitter 102 are provided in the telephone body 1, the usage is not changed between the analog mode and the digital mode, and the usability is good.

[Brief description of the drawings]

FIG. 1 is a partial system diagram of an example of the present invention.

FIG. 2 is a system diagram showing an example continued from FIG. 2;

FIG. 3 is a diagram showing a mounting example of an example of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Telephone main body 2 Extension wireless apparatus 3 Cable 4 Stand 101 Handset 102 Transmitter 103 Transmission / reception circuit 111 Display means 112 Key 114 Microcomputer 115 Memory 121 Connection detection circuit 131 Battery 150 Connector 203 Transmission / reception circuit 214 Digital processing circuit 221 Connection detection circuit 231 power supply 232 charging circuit 350 connector

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) H04Q ^7/ 00-7/38 H04B ⁷ /24-7/26 102

Claims (3)

(57) [Claims] 1. A receiver, a transmitter, an analog transmission / reception circuit having a transmission function and a reception function, a key, and an output of the key and data from a base station.
A system controller that controls transmission / reception, a connector connected to an extended wireless device that performs at least digital transmission / reception, and a detection circuit that detects whether or not the user is connected to the extended wireless device; When the detection output of indicates that it is not connected to the extended wireless device, the receiver and the transmitter are connected to the transmitting and receiving circuit, and the system controller is connected to the transmitting and receiving circuit, When the detection output of the detection circuit indicates that the terminal is connected to the extension wireless device, the receiver and the transmitter are connected to the extension wireless device through the connector, and the system controller To the extended wireless device through the connector. 2. A receiver, a transmitter, an analog transmission / reception circuit having a transmission function and a reception function, a key, and an output of the key and data from a base station.
A system controller for controlling transmission / reception, at least a connector connected to an extension wireless device for performing digital transmission / reception, a detection circuit for detecting whether or not the user is connected to the extension wireless device, and identification data unique to himself / herself When the detection output of the detection circuit indicates that it is not connected to the extended wireless device, the receiver and the transmitter are connected to the transmission / reception circuit. Connecting the system controller to the transmission / reception circuit, opening a channel with the base station using the identification data of the memory, and detecting the output of the detection circuit by itself to the extended wireless device. Connection, the receiver and the transmitter are connected to the extended wireless device through the connector. Together, mobile telephone with the system controller, connected to said expansion wireless device through the connector, the identification data of the memory, to open a channel between the base station using the above extended wireless device. 3. A receiver, a transmitter, an analog transmission / reception circuit having a transmission function and a reception function, a key, and an output of the key and data from a base station.
A system controller that controls transmission / reception, a connector connected to an extended wireless device that performs at least digital transmission / reception, and a detection circuit that detects whether or not the user is connected to the extended wireless device; When the detection output of indicates that it is not connected to the extended wireless device, the receiver and the transmitter are connected to the transmitting and receiving circuit, and the system controller is connected to the transmitting and receiving circuit, When the detection output of the detection circuit indicates that the terminal is connected to the extension wireless device, the receiver and the transmitter are connected to the extension wireless device through the connector, and the system controller Is connected to the extended wireless device through the connector, and the extended wireless device Mobile telephone to charge your battery through the connector.