JPH07154496A - Telephone set with radio communication function - Google Patents

Abstract

PURPOSE:To easily and effectively use an information processor via a cordless slave set. CONSTITUTION:In a telephone set with radio communication function constituted of a master set connected to a public line and a slave set, the cordless slave set 12 is composed by providing with the function of a modem 33 for data communication provided with an interface for a personal computer 40 that is external information processing equipment. Also, the function of the modem for data communication converts the content of an AT command for modem control supplied from the personal computer 40 to a command for slave set control for a microcomputer 32. The microcomputer 32 controls the function of the slave set based on a converted instruction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone with a wireless communication function.

[0002]

2. Description of the Related Art Generally, in a cordless telephone composed of a master unit and a slave unit connected to a public line, when making a call from a cordless slave unit to a party connected to the public line, first, an "extension line button" of the slave unit is used. Is pressed. When the "outside line button" is pressed, a communication channel between the cordless parent and child units is established, and a public tone line is connected to generate a dial tone. Here, when the dial button is pressed, the cordless slave device transmits the input telephone number to the cordless master device according to a special protocol (local command) defined between the master and slave devices.

MCA (Multi
Communication is performed by the channel access method. MC
In the A system, a control signal is transmitted and received on one control channel to secure a channel to be used between the parent and child devices from a plurality of communication channels.

The cordless base unit decodes the received signal in accordance with the connected public line (tone line, dial pulse line) and outputs a signal (DT) having a number corresponding to the received signal.
An MF (Dual Tone Multi Frequency) signal or dial pulse signal) is sent to the public line. This allows the cordless slave unit to make a call via the cordless master unit and the public line.

By the way, in recent years, for example, personal computer communication has been popular, in which an information processing device such as a personal computer is connected to a public line to perform data transmission. In this case, the personal computer is connected to the public line via the modem and the telephone. In many cases, a modem connected to a personal computer is often used by being connected to a telephone set directly connected to a public line, that is, a cordless telephone set, to a master unit side.

In addition to this configuration, a configuration in which a personal computer is connected to the cordless cordless handset side is also conceivable. In the configuration in which the cordless cordless handset is connected, a modem for data communication is connected to a microphone / earphone jack provided in the cordless cordless handset with a dedicated cable, and the modem and a personal computer are connected with a cable.

That is, even though there is a data communication modem and a personal computer integrated with each other, since the cordless telephone and the data communication modem are separate, personal computer communication is performed through the cordless slave unit. It is necessary to connect the modem for data communication and the cordless cordless handset with a dedicated cable.

Further, in a general cordless telephone, after the "outside line button" is pressed and the communication channel between the cordless parent and child units is established, the telephone number of the other party is not input from the "dial button" for a predetermined time or more. , Is configured to force a disconnect to release the channel.

That is, in order to establish a communication (call) state with the public line through the cordless parent and child units, first, the "outside line button" provided on the cordless child unit is pressed, and the destination telephone number is "dial". It is necessary to be pushed with a "button".

[0010]

As described above, in the conventional telephone with a wireless communication function, in order to perform data communication or the like through the public line by the information processing device via the cordless cordless handset, it is connected to the information processing device. It was necessary to connect the modem for data communication and the cordless cordless handset with a dedicated cable.

Further, the information processing apparatus can be used under a communication state established by manually operating a button provided on the cordless slave unit (connection between the master unit and the slave unit, connection with a partner). Therefore, the operability is poor, and the usage is limited to data communication with a communication partner (host station or the like) connected to a public line.

The present invention has been made in consideration of the above circumstances, and provides a telephone with a wireless communication function, which allows an information processing apparatus to be used easily and effectively through a cordless handset. With the goal.

[0013]

According to the present invention, in a telephone having a wireless communication function, which is composed of a master unit connected to a public line and a slave unit, the slave unit has an interface with an external information processing device. It has a function of a modem for data communication.

Further, the slave unit is characterized in that it is of an IC card type which can be connected by an IC card slot provided in the information processing apparatus. Further, the slave unit is configured to be connectable by an expansion bus interface provided in the information processing device.

The function of the data communication modem is as follows.
And a command conversion unit for converting the content of the command for controlling the modem given from the information processing device into a command for controlling the slave unit,
The slave unit is controlled based on the command converted by the command conversion unit.

Further, when the content of the command given from the information processing device is an outside line call to a public line which is a dial line, the slave unit is based on the command converted by the command converting means. The base unit further comprises control means for transmitting control data for instructing transmission of a dial pulse signal to the base unit, and the base unit transmits a dial pulse signal to a public line according to the control data. .

[0017]

According to such a configuration, by providing the function of the data communication modem having the interface with the information processing device such as a personal computer in the child device of the telephone with the wireless communication function, the information processing device, the modem, A cable for connecting to the child device is not required, and it is easy to carry. Moreover, data communication can be performed from the information processing device via the communication channel between the parent and child devices, and the installation location of the information processing device is not specified.

The child device is, for example, JEIDA / PCMCIA.
In accordance with the above, the IC card slot provided in the information processing device can be connected or the expansion bus interface can be connected, so that a command from the information processing device to the modem is provided as a function of the data communication modem. By providing a conversion function for the slave unit and controlling the slave unit based on the command converted by this function, the application executed on the information processing device does not need to change from the conventional one. .

Further, when the public line is a dial line, the slave unit sends control data to the master unit, and a dial signal is sent based on this control data. NCU that the modem usually has
The function of (Network control unit) becomes unnecessary. Therefore, it is possible to easily reduce the size, the weight, and the thickness.

[0020]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a telephone with a wireless communication function according to an embodiment of the present invention. As shown in FIG. 1, the telephone with a wireless communication function is a cordless base unit 10,
The cordless slave unit 12 is used. The cordless master device 10 is connected to the public line 14, and the cordless slave device 12
Can communicate (call) with the other party (host station or the like) connected to the public line 14 via the cordless master device 10.

The cordless master unit 10 is a cordless slave unit 1.
Data is transmitted / received to / from the wireless unit 30 provided in No. 2 according to a predetermined protocol. In this embodiment, it is assumed that communication is performed by the MCA (Multi channel access) method. That is, a communication channel is established by designating a communication channel to be used for communication from a plurality of communication channels according to a call signal sent through the control channel.

The cordless base unit 10 includes the wireless unit 2
0, a speech network 21, a modem 22, a microcomputer 23 (hereinafter referred to as a microcomputer), a dial button 24, a microphone 25, a speaker 26, and an antenna 27.

The wireless unit 20 is a cordless cordless handset 12.
Data is transmitted / received to / from the wireless unit 30 provided in. In this embodiment,
Communication is performed by the MCA (Multi channel access) method. That is, a communication channel is established by designating a communication channel to be used for a communication from a plurality of communication channels according to a call signal sent through the control channel.

The speech network 21 is a public line 14 provided with basic functions for realizing telephone functions.
The cordless base unit 10 using the microphone 25 and the speaker 26 is used as an interface with the cordless cordless handset 12 via the wireless unit 20 (has a function of NCU (network control unit)). Via a call. The speech network 21 is controlled by the microcomputer 23 and can send a dial pulse signal or a tone signal to the public line 14 in response to a predetermined command.

The modem 22 is for transmitting and receiving signals to and from the cordless cordless handset 12.
Of the data from the cordless cordless handset 12 obtained via the computer, and the cordless cordless handset 12 output from the microcomputer 23.
Modulates the data to be sent to.

The microcomputer 23 decodes control data (to be described later) from the cordless handset 12 obtained by the demodulation by the modem 22, detects a signal generated when the button of the dial button 24 is pressed, and the speech network 21. Exchange of various information (sending of various commands, notification of calling, etc.).

The control data is a command (signal) transmitted and received between the cordless master unit 10 and the cordless slave unit 12 for realizing the function provided in the cordless telephone. The control data in this embodiment is output from the cordless handset 12 to the cordless base unit 10 in accordance with the DTMF signal output from the data communication modem 16, and includes the information of the destination telephone number.

The dial button 24 is a cordless base unit 1.
It is used when dialing from 0. Whether to dial an outside line (public line 14) or an extension line (cordless cordless handset 12) in addition to the number buttons 0 to 9 and the "*" and "#" buttons. Includes various function buttons such as.

The microphone 25 is used in the speech network 21.
Is connected to and inputs voice to be sent to the other party. The speaker 26 is the speech network 2
It is connected to 1 and outputs the voice from the other party.

The cordless cordless handset 12 is a wireless unit 3
0, a parent-child device modem 31, a microcomputer 32, a data communication modem 33, an antenna 34, personal computer interfaces 35a and 35b, and a microphone / earphone jack 36 are provided.

As shown in FIG. 1, the cordless cordless handset 12 has a built-in data communication modem 33 and, as shown in FIG. 2, a card interface 41 provided in a personal computer 40 (hereinafter referred to as a personal computer).
a, 41b (IC card slot) is connectable to an IC card type. The card interface is, for example, JEIDA (Japan Electronic Industr
y Development Association) / PCMCIA (Person
al Computer Memory Card International Association
) Is used. Hereinafter, it will be referred to as a card type cordless cordless handset 12.

The wireless unit 30 is the cordless base unit 10
Data is transmitted / received between and via the antenna 34 by a predetermined protocol. Modem 31 for parent and child machines
Is for transmitting / receiving a signal to / from the cordless base unit 10, demodulating data from the cordless base unit 10 obtained via the wireless unit 30 and outputting the cordless base unit 10 from the microcomputer 32. Modulates the data to be sent to.

The microcomputer 32 controls the entire cordless slave unit 12, and decodes the control data from the cordless master unit 10 obtained by the demodulation in the modem 31.
Transmission and reception of data with the personal computer 40, control of the data communication modem 33, and the like are performed.

The data communication modem 33 is a personal computer 40.
For data communication by the serial data control logic circuit 33a (hereinafter abbreviated as SIO), MPU (mi
A croprocessor unit) 33b, a memory 33c, and a modem IC 33d. SIO33a
Is connected to the personal computer interface 35b via the bus 37b and transmits / receives serial data to / from the personal computer 40. The MPU 33b controls the data communication modem 33, and controls each unit on the basis of commands and statuses exchanged with the microcomputer 32, commands from the personal computer 40, and the like. Memory 33c
Are for storing programs and various data that define the operation of the MPU 33b. Modem IC 33d
Is a circuit for realizing a modem function under the control of the MPU 33b, and is connected to the wireless unit 34 and the microphone / earphone jack 38. Modem IC 33d
Includes a modulator / demodulator, AFE (analog front end), DTM
An F signal generation circuit and the like are provided. Answer tone detection, RBT (ringback tone) detection,
A function for performing modulation / demodulation and the like is provided.

The antenna 34 is for transmitting / receiving a signal to / from the cordless base unit 10, and is used for the radio unit 3
It is connected to 0. PC interface 35a,
35b is for transmitting / receiving data to / from a personal computer, and is based on, for example, JEIDA / PCMCIA, and is a card interface 4 provided in the personal computer 40.
It is connected to 1. PC interface 3
5a is a card interface 41 via the bus 37a.
The personal computer interface 35b is connected to the card interface 41b via the bus 37b.

The microphone / earphone jack 36 is connected to the wireless unit 30, the parent-child device modem 31, and the data communication modem 33, and is a terminal for inputting and outputting a voice signal to and from the outside. This is for connecting a headset 38 and the like provided with headphones and a microphone. By connecting the headset 38 or the like, it is possible to use a normal telephone function for making a voice conversation via the cordless cordless handset 12.

Next, the operation of the first embodiment will be described. First, an outline of the paths of commands and data between the respective units having the configuration shown in FIG. 2 will be described with reference to FIG.
The card type cordless cordless handset 12 is controlled by executing, for example, a communication application on the personal computer 40. Here, the public line 14 connected to the cordless base unit 10 is a dial line, and the processing for starting data communication with the host station connected to the public line 14 is executed by the auto dial function of the application. A case will be described as an example. FIG. 3B shows a control signal path, and FIG. 3C shows a dial signal path.

First, the personal computer 40 executes an AT command which is an instruction for executing an application and executing a function, that is, an "execute an external line connection", a "call destination telephone number (host station)", and a "communication start" command. The data is output to the SIO 33a of the data communication modem 33 (A). SIO3
3a outputs an AT command to the MPU 33b (B).

The MPU 33b interprets the content of the received AT command, converts it into a command "external line connection + send telephone number" for executing the function of the cordless cordless handset 12, and outputs it to the microcomputer 32 (E).

The microcomputer 32 interprets the content of the command from the MPU 33b ("external line connection + telephone number transmission"), and indicates the execution of the function for the cordless master unit 10 based on the communication protocol between the master unit and the slave unit (parent and slave units). The control data indicating commands transmitted and received between the devices is output to the parent-child device modem 31 (F).

The parent-child device modem 31 converts the command (control data) into a signal that can be sent between the parent-child device and sends it to the wireless unit 30 (G). The wireless unit 30 uses the wireless unit 20 of the cordless base unit 10 via a communication channel established between the base unit and the base unit according to a predetermined protocol.
A command signal is sent to (H).

The wireless unit 20 outputs the received command signal to the parent-child device modem 22 (I). The master-slave unit modem 22 demodulates the command signal to generate the microcomputer 23.
(J). The microcomputer 23 interprets the command, controls the speech network 21 for "external line connection", connects to the public line 14 (K), and outputs a dial pulse signal (from the NCU function) corresponding to the "telephone number". Send (L).

The data communication modem 31 confirms that the external line connection processing between the parent and child devices has been completed and that the call channel has been established, and then, in response to the "communication start command", the general data communication modem 31 Similar to the processing, data is transmitted by exchanging control information of the communication protocol with the host station.

When the public line 14 is a tone line,
The process of "external line connection" is the same as the route for the dial line shown in FIG. As shown in FIG. 3D, in the process of transmitting the dial signal of the "destination telephone number", the contents of the AT command received by the MPU 33b are interpreted and a DTMF signal corresponding to the "telephone number" is output. Command IC for data communication modem 33
It outputs to 33d (C). The modem IC 33d outputs a DTMF signal corresponding to the telephone number to the wireless unit 30 (D). This DTMF signal is sent as it is to the public line 14 via the communication channel established between the parent and child devices, the wireless unit 20 of the cordless parent device 10 and the speech network 21.

Further, FIG. 3 (e) shows a route for transmitting / receiving communication data, detecting an answer tone, and transmitting a carrier signal,
FIG. 3 (f) shows the control command and status paths of the telephone.

Next, the flow charts shown in FIGS. 4 and 5 will be used for the details of the processing for making a call with the other party connected to the public line 14 via the cordless cordless handset 12 provided with the function of the data communication modem 33. It will be explained with reference to FIG.
4 shows an operation procedure of the MPU 33b of the data communication modem 33, and FIG. 5 shows an operation procedure of the microcomputer 32.

First, by executing an application on the personal computer 40, it means the start of communication A
The T command is received by the MPU 33b via the card interface 41b, the personal computer interface 35b, the bus 37b, and the SIO 33a (step B1). Here, the AT command means “external line connection”, “telephone number transmission”, and “communication start”.

The MPU 33b interprets the content of the AT command (step B2), converts it into an instruction to the microcomputer 32 (step B3), and sends the command obtained by this conversion to the microcomputer 32 (step B4). .
Here, the command transmitted to the microcomputer 32 is an execution command for instructing “external line connection” and “telephone number transmission”.

On the other hand, the microcomputer 32 receives an execution command instructing "external line connection" and "telephone number transmission" from the MPU 33b (step C1). The microcomputer 32 interprets the content of the execution command (step C2) and sends the "external line connection" command to the cordless master device 10. This command is transmitted to the cordless master device 10 via the wireless unit 30 using the communication channel established based on the communication protocol between the master and slave devices (step C).
3).

The cordless base unit 10 connects to the public line 14 in response to the "external line connection" command, and makes the cordless handset 12 receive the dial tone from the public line 14.

Microcomputer 3 of card type cordless cordless handset 12
2 determines that it is connected to the public line 14 via the cordless base unit 10 and notifies the MPU 33b of a status indicating "completion of external line connection processing" (step C4).

When the MPU 33b receives the status indicating "external line connection processing completed" (step B5), it discriminates the type of the public line 14 for "telephone number transmission" (step B6).

When an AT command indicating that the public line 14 is a tone line is received from the personal computer 40, M
PU33b responds to the telephone number of the other party (host station) by D
In order to send the TMF signal, an execution command is issued to the modem IC 33d (step B7) and the microcomputer 32 is notified. The modem IC 33d outputs a predetermined DTMF signal. At this time, since it is connected to the public line, the DTMF signal output from the modem IC 33d is directly sent to the public line 14 via the wireless unit 30 and the cordless base unit 10.

An answer tone is sent from the host station, and the cordless master unit 10 and the card type cordless slave unit 12 are sent.
It is received by the modem IC 33d via the wireless unit 30. After detecting the answer tone (step B8), the MPU 33b sends a carrier signal to the host station (step B9). When the MPU 33b completes the protocol exchange and the like with the host station, it becomes communicable and notifies the microcomputer 32 and the personal computer 40 (step B10).

On the other hand, when the microcomputer 32 is notified by the MPU 33b that the public line 14 is a tone line (step C5), it receives a DTMF signal indicating the telephone number of the other party from the modem IC 33d (step C6).

The personal computer 40 is the data communication modem 3
3, through the wireless unit 30, the cordless base unit 10,
Data communication is performed with the host station connected to the public line 14 (step B11). Further, the microcomputer 32
Communication is performed and data is exchanged with the host station (step C7).

When terminating the data communication, the personal computer 4
A communication end command is output from 0 to the data communication modem 33. MPU 33b of the data communication modem 33
Interprets the contents of the command and sends a command indicating "disconnect external line" to the microcomputer 32 (step B1).
2, B13).

When the microcomputer 32 receives a command indicating "disconnect external line" (step C8), it interprets the content of the command (step C9) and disconnects the external line via the wireless unit 30 (step C10). . When it is determined that the line has been disconnected (step C11), the microcomputer 32
Sends a status indicating "line disconnection completed" to the MPU 33b (step C12).

The MPU 33b receives the status of "line disconnection completed" from the microcomputer 32 and ends (step B14). In step B6, the PC 4
0 to A indicating that the public line 14 is a dial line
When the T command is received, the MPU 33b converts the telephone number into a dedicated command for the microcomputer 32 (step B15) and sends it to the microcomputer 32 (step B1).
6).

Upon receipt of the dedicated command indicating the telephone number (step C13), the microcomputer 32 converts it into control data for transmission to the cordless master device 10 based on the communication protocol between the master and slave devices (step C14), and the master and slave devices. The data is sent to the machine-to-machine modem 31 (step C15). The modem 31 for parent-child device converts the control data into a signal that can be transmitted between the parent-child device and sends it to the cordless parent device 10 via the wireless unit 30.

The microcomputer 23 of the cordless master unit 10 discriminates the control data obtained via the inter-parent unit modem 22, controls the speech network 21 according to the discrimination result, and sends the dial pulse signal to the public line 14. Is sent. When the cordless base unit 10 determines that the line is connected to the partner, it sends control data indicating the line connection completion to the card type cordless handset 12.

Microcomputer 3 of card type cordless cordless handset 12
When the data inputting the data indicating the line connection completion via the parent-child device modem 31 (step C16), the MPU 33
The status of the line connection completion is notified to b (step C17). Thereafter, the same processing as that of step C7 and the subsequent steps described above is performed.

When the MPU 33b receives the line connection completion status, the MPU 33b carries out the same processing as that of the step B8 and subsequent steps (step B17). In this way, the cordless cordless handset 12 is provided with the function of the data communication modem 33 so as to be integrated, so that a dedicated cable for connecting the telephone and the data communication modem is not required.

Data is transmitted and received between the cordless cordless handset and the cordless cordless handset according to the control data based on the communication protocol between the cordless handset and the cordless handset. The function of the NCU (network control unit) for generating the dial pulse signal may not be provided on the side of the cordless handset 12 to be connected (the function of the NCU on the side of the cordless handset 10 can be substituted). Normally, the NCU is made up of components with a large mounting volume such as a transformer, so that it is not necessary on the cordless cordless handset 12 side (modem 33 for data communication), and the cordless cordless handset 12 is made smaller, lighter, and thinner. JEIDA / PCMCIA as shown in FIG.
It can be a card type that can be connected to the card interface 41 conforming to.

Further, by executing an application in the personal computer 40, the function of the card type cordless cordless handset 12 can be controlled by an AT command which is generally used for controlling a data communication modem (first embodiment). In the example, features for outside calls). That is, the functions of the telephone (external call, extension call, speed dial, voice mail, flash, etc.) can be used by a simple operation using an application running on the personal computer 40 without operating buttons provided on the telephone. be able to. In a general telephone with a wireless communication function, many functions have to be controlled with a limited number of buttons, and its operation (combination of buttons, etc.) has become complicated. You can replace it with a simple operation such as selecting a function from.

When the data communication modem and the cordless cordless handset are simply integrated with each other, for example, when executing the auto dial function for an outside line for data communication, an application generally transmits data via the cordless cordless handset. Since the communication is not assumed, a line connection command for connecting the line between the parent and child devices is required. Therefore, the conventional communication application cannot be used as it is. On the other hand, in the card type cordless cordless handset 12 according to the present invention, the AT command output to the data communication modem 33 by the conventionally used application is the cordless cordless handset 1.
2 is converted into a command for controlling the microcomputer 32
Therefore, the line connection is executed as a function of the cordless cordless handset 12, and it is not necessary to change the application.

Further, as shown in FIG.
Cordless cordless handset 12 when performing data communication by
Since it is connected to the public line 14 via a communication channel with the cordless master device 10, the installation position of the personal computer 40 can be freely selected, and even if it is within a communicable range, it can be moved. Data communication becomes possible.

In the first embodiment, the processing for performing data communication has been described, but the personal computer 40
When connected to the public line 14 by the auto-dial function according to, and connected to a party to whom a call can be made (a general telephone, not the host station of the data communication destination), the headset 38
You can talk using.

Further, in the first embodiment, the cordless slave unit 1
2 has been described as a card type and used by inserting it into the IC card slot provided in the personal computer 40, but it may be configured so that it can be connected to an expansion bus interface or RS-232C.

In the configuration of the cordless cordless handset 12 used in the first embodiment, the data communication modem 33 and the microcomputer 3 are used.
Although the two have been described as independently controlling the data communication function and the cordless cordless handset function, one control unit (MPU) may be configured to integrally control the respective functions. .

The shape of the antenna 34 provided in the card-type cordless cordless handset 12 shown in FIG. 2 is an example.
It is not particularly limited. In the description of the first embodiment, the cordless telephone is used, but the present invention can be applied to other telephones using wireless communication such as a car telephone and a mobile telephone.

Next, the second embodiment will be described. Figure 6
FIG. 6 is a block diagram showing a configuration of a telephone with a wireless communication function according to a second embodiment of the present invention. As shown in FIG. 6, the telephone with a wireless communication function includes a cordless master device 10 and a cordless slave device 50. The cordless master device 10 is connected to the public line 14, and the cordless slave device 50 can communicate (call) with the other party (host station or the like) connected to the public line 14 via the cordless master device 10.

Since the cordless base unit 10 has the same structure as that of the first embodiment described above, the same reference numerals are given and description thereof will be omitted. The cordless cordless handset 50 includes a wireless unit 30, a modem 31 for parent-child device, a data communication modem 33, and an antenna 3.
4, PC interface 35a, 35b, microphone
Earphone jack 36, microcomputer 52, first switch 5
3, second switch 54, microphone 55, and speaker 56
Is provided.

The same components as those of the cordless cordless handset 50 of the first embodiment are designated by the same reference numerals and the description thereof will be omitted.
The microcomputer 52 controls the entire cordless cordless handset 12, and decodes control data from the cordless cordless handset 10 obtained by demodulation in the cordless handset modem 31, transmits / receives data to / from the personal computer 40, and for data communication. Modem 3
3 and the switching control of the first switch 53 and the second switch 54.

The first switch 53 is the second switch 54 of the input line connected to the microphone / earphone jack 36.
Is provided between the wireless unit 30 and the wireless unit 30, the output line of the modem 31 for parent-child device is connected, and the switching is controlled by the microcomputer 52.

The second switch 54 is provided between the microphone / earphone jack 36 of the input line connected to the microphone / earphone jack 36 and the first switch 53, and is connected to the output line of the data communication modem 33. The switching is controlled by the microcomputer 52.

The microphone 55 is connected to the radio unit 30 and inputs the voice to be sent to the other party (via the cordless base unit 10 or the public line 14). The audio signal input from the microphone 55 is input to the wireless unit 30 via the second switch 54 and the second switch 53. The speaker 56 is connected to the wireless unit 30 and outputs the voice from the other party.

Next, the operation of the second embodiment will be described with reference to the flowchart shown in FIG. Further, FIG. 7 shows an outline of paths of signals, commands and data between the respective parts of the configuration shown in FIG.

The cordless cordless handset 50 is controlled by executing a communication application on the personal computer 40, for example. Here, the public line 14 connected to the cordless base unit 10 is a dial line, and the processing for starting data communication with the host station connected to the public line 14 is executed by the auto dial function of the application. A case will be described as an example. FIG. 8A shows the signal path, and FIG. 8B shows the content of the signal.

First, the personal computer 40 executes an AT command which is an instruction for executing an application and executing a function, that is, an "execute external line connection", "transmit destination telephone number (host station)" and "communication start" command. , To the data communication modem 33 (A). Data communication modem 3
3 converts the received AT command into an execution command handled by the microcomputer 52, and transfers it to the microcomputer 52 via the internal bus.
To (B, C).

The microcomputer 52 interprets the execution command, converts it into a command (control data) according to a dedicated protocol between the parent and child devices, which means "external line connection", and outputs it to the modem 31 for the parent and child devices. The master-slave unit modem 31 sends a command signal for transmission between the master-slave unit (call signal indicating off-hook).
To the cordless base unit 10 (D,
E).

The cordless base unit 10 interprets the command signal, executes the off-hook process (F), and sends the status of the process result to the cordless handset 50 as a command (call response signal (including communication channel designation)). .

The cordless cordless handset 50 interprets the command received via the parent-child cordless modem 31 and, in response to this command, sends a "telephone number send" command to the cordless cordless handset 1
0 (H, I).

The cordless base unit 10 "transmits a telephone number"
The command is interpreted and a dial signal corresponding to the "telephone number" is transmitted to the public line 14 (J). Further, the cordless base unit 10 converts the dial connection status indicating that the dial signal has been transmitted into a command and transmits the command to the cordless handset 50 (K, L).

The microcomputer 52 of the cordless cordless handset 50 converts the command indicating the status of dial connection into the status indicating "line connection, transmission of telephone number (dial signal)" and outputs it to the data communication modem 33. Yes (M, N).

Upon receipt of the status, the data communication modem 33 executes status processing (O) and enters the communication standby state. As a result, the line is connected to the partner (host station) (P).

When the host station recognizes that the line is connected, an answer tone is sent (Q). The answer tone is received by the data communication modem 33 of the cordless handset 50 via the public line 14 and the cordless base unit 10 (R).

The data communication modem 33 receives the answer tone, executes a predetermined process, and sends a carrier corresponding to the answer tone to the host station (T). As a result, data communication becomes possible between the personal computer 40 and the host station (U).

The operation of the first switch 53 and the second switch 54 will be described here. In the default state, the first switch 53 is set to the side connecting the second switch 54 and the wireless unit 30, and the second switch 54
Is set on the side connecting the first switch 53 and the microphone / earphone jack 36.

In the communication state in which data communication is performed between the data communication modem 33 and the other party, the first switch 53 is set to the side connecting the second switch 54 and the wireless unit 30, and the second switch 54 is It is set to the side connecting the first switch 53 and the data communication modem 33.

In the state of transmitting and receiving the control command between the parent and child devices, the first switch 53 is set to the side connecting the parent and child device modem 31 and the radio unit 30, and the second switch 54 is the second switch 54 and the microphone. -Set to the side that connects to the earphone jack 36.

In the call state, the first switch 53 connects the second switch 54 and the wireless unit 30 (or the parent-slave modem 31 when transmitting a control command).
Is connected to the wireless unit 30), and the second switch 54 is set to the side connecting the first switch 53 and the microphone / earphone jack 36.

The first switch 53 and the second switch 54 are
Switching is controlled by the microcomputer 52 as needed. Next, the details of the process of making a call with the other party connected to the public line 14 via the cordless handset 50 provided with the function of the data communication modem 33 will be described with reference to the flowchart shown in FIG. 7.

First, by executing an application on the personal computer 40, it means the start of communication A
The T command is received by the data communication modem 33 via the card interface 41b, the personal computer interface 35b, and the bus 37b (step D1).

The data communication modem 33 receives the received AT
The contents of the command are interpreted (steps D2 and D3) and converted into a command instructing the microcomputer 52, and the microcomputer 32
(Step D4). Here, the command sent to the microcomputer 32 is "external line connection""send telephone number"
This is an execution command for instructing "communication start".

The microcomputer 52 uses the data communication modem 33.
When an execution command instructing "external line connection" or "telephone number transmission" is received, the contents of the execution command are interpreted and "external line connection" or "telephone number transmission" to the cordless master device
The command is sent (step D5). This command is transmitted to the cordless master device 10 via the wireless unit 30 using the communication channel established based on the communication protocol between the master and slave devices.

The cordless base unit 10 establishes a connection with the public line 14 in response to the "external line connection" and "telephone number transmission" command, and makes the cordless handset 52 receive the dial tone from the public line 14. Further, a dial signal is sent to connect the other party to the line (step D6).

The microcomputer 52 of the cordless cordless handset 50 determines that it has been connected to the other party via the cordless cordless handset 10, and notifies the data communication modem 33 of a status indicating "completion of external line connection processing" (step). D7).

When the data communication modem 33 receives the status indicating "outline connection processing completed", the data communication modem 33 waits for detection of an answer tone sent from the connected partner (host station).

When the data communication modem 33 detects an answer tone (step D8), it transmits a carrier to the partner host station as a response process (step D).
9). After the above processing is completed and the connection with the partner host station is completed (step D10), data communication is started.

In this way, the data communication modem 33
The functions of the cordless cordless handset 50 are integrated, and the functions provided in the cordless telephone can be executed from the personal computer 40 without changing the conventional communication application. The effect of is obtained.

In the second embodiment, the personal computer 4
The interface between 0 and the cordless handset 50 is RS-
232C or a bus connector can be used, but similarly to the first embodiment, the function of the block diagram shown in FIG. 6 is configured in an IC card type, and the interface with the personal computer 40 is an IC card compliant with JEIDA / PCMCIA. It is also possible to use an interface.

[0103]

As described above, according to the present invention, the information processing apparatus can be used easily and effectively through the cordless slave unit.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of a telephone with a wireless communication function according to a first embodiment of the present invention.

FIG. 2 is a diagram showing an external configuration of a card type cordless cordless handset 12 according to the first embodiment.

FIG. 3 is a diagram for explaining an outline of command and data paths between respective units of the configuration according to the first embodiment.

FIG. 4 is a flowchart for explaining an operation procedure of the MPU 33b that controls the data communication modem 33 in the first embodiment.

FIG. 5 is a card type cordless cordless handset 1 according to the first embodiment.
6 is a flowchart for explaining an operation procedure of the microcomputer 32 that controls the control unit 2.

FIG. 6 is a block diagram showing a configuration of a telephone with a wireless communication function according to a second embodiment of the present invention.

FIG. 7 is a flowchart for explaining a processing procedure in the second embodiment.

FIG. 8 is a diagram for explaining an outline of paths of commands and data between respective units of the configuration according to the second embodiment.

[Explanation of symbols]

10 ... Cordless base unit, 12 ... Cordless handset, 14 ...
Public line, 30 ... Wireless unit, 31 ... Parent-child device modem, 32 ... Microcomputer, 33 ... Data communication modem, 33a ... Serial data control logic circuit (SI)
O), 33b ... MPU, 33c ... Memory, 33d ... Modem IC, 34 ... Antenna, 35a, 35b ... Personal computer interface, 36 ... Microphone / earphone jack, 40
... Personal computer, 41a, 41b ... Card interface.

Claims (5)

[Claims] 1. A telephone with a wireless communication function, which is composed of a master unit and a slave unit connected to a public line, wherein the slave unit functions as a data communication modem having an interface with an external information processing device. A telephone with a wireless communication function characterized by having. 2. The telephone with a wireless communication function according to claim 1, wherein the slave unit is configured as an IC card type that can be connected by an IC card slot provided in the information processing device. 3. The telephone with a wireless communication function according to claim 1, wherein the slave unit is configured to be connectable by an expansion bus interface provided in the information processing device. 4. The function of the data communication modem has an instruction conversion unit for converting the instruction content for modem control given from the information processing apparatus into an instruction for slave unit control, which is converted by the instruction conversion unit. The telephone set with a wireless communication function according to claim 1, wherein the slave unit is controlled based on the command. 5. The slave unit, based on the command converted by the command converting unit, when the command content given from the information processing device is an outside line call with a public line which is a dial line. The base unit further comprises control means for transmitting control data instructing transmission of a dial pulse signal to the master unit, wherein the master unit transmits a dial pulse signal to a public line in accordance with the control data. A telephone with a wireless communication function according to claim 4.