JPH09163120A - Radio communication system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attain the communication management of a slave telephone set. SOLUTION: A slave telephone set #1 is provided with a RAM 31 storing an operating state such as a destination number, a time of use and a date of use or the like with a speech to a destination, and the RAM 31 is provided with a communication management memory 31a storing communication information for an outgoing call and an incoming call with the slave telephone set #1. When an information amount of the communication management memory 31a reaches a prescribed amount, the slave telephone set #1 makes a request of print-out of communication information to a slave facsimile equipment via a master set. Then the slave facsimile equipment receiving the request prints out speech information of the slave telephone set #1 based on received data as a communication management report.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to wireless communication including a master unit connected to a wired telephone line and slave units such as a slave phone and a slave communication terminal device connected to the master unit via a wireless line. It is about the system.

[0002]

2. Description of the Related Art In a wireless communication system of this type, a master unit is connected to a wired telephone line, and a slave unit as a slave telephone and a slave communication terminal device (for example, a slave facsimile device) is wirelessly connected to the master unit. Connected by. Then, the slave telephone and the slave communication terminal device can communicate with the external telephone or the external communication terminal device via the master unit, like a cordless telephone. When the child phone is taken out to a place away from the parent device, it can communicate with another phone or the like via a public base station like a mobile phone.

[0003]

As described above, the slave telephone is advantageous in that it is convenient to carry and can be used freely in any place. Therefore, it is difficult to know when and in what form the sub-phone was used.

An object of the present invention is to provide a wireless communication system capable of managing communication of a slave telephone.

[0005]

[Means for Solving the Problems] In order to achieve the above object, in the invention according to claim 1, a base unit connected to a wired telephone line and a child connected to the base unit via a wireless line. In a wireless communication system including a telephone and a slave communication terminal device, the slave phone includes storage means for storing communication management information of itself and transfer means for transferring the stored communication management information to the slave communication terminal device. The terminal device includes an output unit that prints out the received communication management information.

In a second aspect of the present invention, in a wireless communication system comprising a master unit connected to a wired telephone line, and a slave telephone and a slave communication terminal device connected to the master unit by a wireless line, The machine includes a storage unit for storing communication management information of the slave telephone and a transfer unit for transferring the stored communication management information to the slave communication terminal device, and the slave communication terminal device prints out the received communication management information. It is equipped with.

According to a third aspect of the present invention, in the wireless communication system according to the second aspect, a plurality of the slave phones are provided, and the transfer means of the master unit is the communication management information of each slave phone in the storage means. Among them, the communication management information of a predetermined slave telephone is selected and transferred.

Therefore, the invention according to claims 1 to 3 has the following operations. In the invention described in claim 1, when the user communicates with another telephone or the like using the slave telephone, the slave telephone stores the communication management information such as the communication time in the storage means. The communication management information in this storage means is transferred to the child communication terminal device. The slave communication terminal device prints out the received communication management information.

In the invention of claim 2, when the user communicates with another telephone or the like using the slave telephone via the master, the master stores the communication management information such as communication time in the storage means. To do. The communication management information in this storage means is transferred to the child communication terminal device. The slave communication terminal device prints out the received communication management information.

According to the third aspect of the invention, only the communication management information of the desired slave telephone can be selected and printed out.

[0011]

Hereinafter, embodiments of the present invention will be described. (First Embodiment) FIG. 1 shows the configuration of a wireless communication system according to the first embodiment. The base unit # 0 is connected to, for example, two PSTN telephone lines (general telephone line networks) L1 and L2. The four slave units # 1 to # 4 are connected to the master unit # 0 by a wireless line. In the present embodiment, the slaves # 1 to # 3 are slave phones, and the slave # 4 is a facsimile device as a slave communication terminal device.

The wireless communication between the slave units # 1 to # 4 and the master unit # 0 is performed by PHS (Personal Handyphone
The system uses a mobile communication service developed in recent years called a system). A PHS terminal (slave unit) can communicate outdoors through a public base station like a mobile phone, and indoors as an indoor base station (parent) connected to a general telephone network like a cordless phone. Machine). The feature of PHS is that the transmission method is T
DMA / TDD (Time Division Multiple Acccess)
/ Time Division Duplex) system is used and the frequency utilization efficiency is good. In addition, the voice coding method is ADPCM.
Since it adopts, the line quality is good and the data transmission is faster than that of the analog type cordless telephone, so that the data communication such as the facsimile communication becomes possible.

Next, FIG. 2 shows the configuration of the base unit # 0. NC
U (Network Control Unit) 1 is the base unit #
Controls the connection and disconnection between 0 and the telephone lines L1 and L2.
The ADPCM codec 3 encodes the data received via the telephone lines L1 and L2 by ADPCM (adaptive differential pulse code modulation), and the slave units # 1 to # 1 via the wireless line.
The data received from # 4 is decoded. The channel codec 4 creates data compatible with the TDMA / TDD system and extracts necessary data from the data received from the slaves # 1 to # 4. The modulator 5 modulates the data to be transmitted to the slaves # 1 to # 4 by the π / 4 shift QPSK method, and the demodulator 6 demodulates the data received from the slaves # 1 to # 4 by the same method. The RF unit 7 transmits the data input from the modulation unit 5 to the slave units # 1 to # 4 via the antenna 8 and outputs the data received via the antenna 8 to the demodulation unit 6.

The master unit # 0 further includes a CPU 9 for controlling the above-mentioned units, a ROM 10 for storing programs and the like required for the control, and a RAM 11 for temporarily storing data and the like for the control.

Next, FIG. 3 shows the configuration of the slave phones # 1 to # 3. The speaker 21 and the microphone 22 are connected to the ADPCM codec 23. ADPCM codec 2
3 decodes the data received through the wireless line by the ADPCM system and outputs it from the speaker 21, and encodes the voice data input from the microphone 22 by the same system. The channel codec 24 is T
Data suitable for the DMA / TDD system is created, and necessary data is extracted from the received data. Modulator 25
For the data transmitted via the wireless line is modulated by the π / 4 shift QPSK system, and the demodulation unit 26 demodulates the data received from the master unit # 0 by the same system. RF unit 2
The transmitter 7 transmits the signal input from the modulator 25 via the antenna 28 and outputs the signal received from the antenna 28 to the demodulator 26. The source detection unit 34, when receiving a call based on a call from the calling side, detects data of the telephone number of the calling side transmitted from the master unit or the public base station.

Furthermore, each of the sub-phones # 1 to # 3 is provided with a CPU 29 for controlling the above-mentioned respective parts, a ROM 30 for storing programs and the like required for the control, and a RAM 31 for temporarily storing data and the like for the control. There is. RAM31
Includes a communication management memory 31a as a storage unit. In the present embodiment, the CPU 29, the ROM 30 and the RAM 31 form a transfer means. The communication management memory 31a stores communication management information when communication is performed using the slave phones # 1 to # 3. The stored communication management information is, for example, slave phones # 1 to # 3.
Is a calling side or a called side, there is information such as a communication partner number, a communication mode, a communication start date and time, and a communication time.
Here, the “communication mode” indicates whether the slave phones # 1 to # 3 have communicated via the master unit # 0 or the public base station. Since the master unit # 0 is usually installed indoors such as in an office, the communication mode performed through the master unit # 0 inside the office is hereinafter referred to as an extension mode. Further, when the slave phones # 1 to # 3 are taken outside, communication is performed via the public base station, and hence the communication mode in this case is hereinafter referred to as an outside line mode. The communication management information is in the form of character code data and is used as the communication management memory 3
It is stored in 1a. The key input unit 32 includes various operation keys such as a ten key 32a for inputting a telephone number and the like.

Next, FIG. 4 shows the configuration of the child facsimile device # 4. The reading unit 41 binarizes image data obtained by scanning an original with a CCD or the like. The recording unit 42 prints on recording paper based on received image data and the like. The FAX codec 57 encodes the image data binarized by the reading unit 41 for redundancy compression, decodes the encoded data received from the wireless line, and outputs the encoded data to the recording unit 42. The FAX modem 58 modulates the data encoded by the FAX codec 57 into a deemed voice and demodulates the deemed voice received from a wired line. The ADPCM codec 43 encodes the deemed voice data input from the FAX modem 58 by the ADPCM system, decodes the deemed voice data received via the wireless line by the same method, and outputs the decoded voice data to the FAX modem 58. The channel codec 44 creates data compatible with the TDMA / TDD system and extracts necessary data from the data received via the wireless line. The modulator 45
The data transmitted via the wireless line is π / 4 shift QP
Modulation is performed by the SK method, and the demodulation unit 46 demodulates the data received via the wireless line by the same method. RF section 4
The transmitter 7 transmits the signal input from the modulator 45 via the antenna 48 and outputs the signal received from the antenna 48 to the demodulator 46.

Further, in the ADPCM codec 43 and the channel codec 44 in the slave facsimile apparatus # 4, a CPU 49, a ROM 50 storing programs and the like required for control, a data and the like required for control are temporarily stored. The RAM 51 is connected.

Similarly, the FAX codec 57 and the FAX codec
The modem 58 includes a CPU 54, a ROM 55 and a RAM 5
6 are connected. The key input unit 52 includes various operation keys such as a ten-key pad for inputting a telephone number and the like. The LCD 53 displays various information such as the input telephone number. C. G. FIG. ROM (Character generator R
The OM) 59 stores in advance various character font data such as kanji, hiragana, katakana, alphabets and numbers. In the present embodiment, the recording unit 42 and C.I.
G. FIG. The ROM 59 constitutes an output means.

Next, in the wireless communication system configured as described above, the communication management memory 31 of the slave telephone set # 1.
The communication management information stored in a is stored in the slave facsimile apparatus # 4.
The operation of transferring to and printing out will be described with reference to FIGS.

As shown in FIG. 6, when the slave telephone # 1 is used to communicate with another telephone or the like in the outside line mode or the extension line mode, each time the communication is completed, the slave telephone set # 1 is started. Communication management information is stored in the form of code data in the communication management memory 31a of the RAM 31 (steps S1 to S1).
S4). Then, when the data amount of the communication management information in the communication management memory 31a reaches the maximum storage capacity of the communication management memory 31a (in other words, the number of pieces of communication management information in the communication management memory 31a is When the number corresponding to the maximum storage capacity of the memory 31a for use is reached), the slave telephone set # 1 transfers the data (code data) of the communication management information as a report print request signal to the slave facsimile device # 4 via the master unit # 0. Yes (step S5).

Upon receiving the report print request signal, the slave facsimile apparatus # 4 temporarily stores the character code data as the communication management information in the RAM 56 (step S6). Subsequently, the slave facsimile machine # 4 sends a response signal indicating that the report print request signal has been received, to the master machine # 4.
It is transmitted to the slave telephone set # 1 via 0 (step S7).
Then, the child facsimile device # 4 converts the character font data corresponding to the character code data stored in the RAM 56 into C.I. G. FIG. It is read from the ROM 59 and the recording unit 42 prints out a call management report as shown in FIG. 5 on the recording paper P1 (step S8). As shown in the figure, this communication management report shows information related to communication by the slave phone # 1. This communication management report is separately printed depending on whether the slave telephone set # 1 is the calling side or the called side, and the management information is arranged in ascending order of communication start date and time. Although not described here, when communication is performed using other slave phones # 2 and # 3,
Similar to the case of the slave telephone # 1, the communication management information of each slave telephone # 2, # 3 is printed out by the slave facsimile apparatus # 4.

Since the wireless communication system of the first embodiment operates as described above, it has the following advantages. (1-1) By looking at the communication management report printed out by the slave facsimile device # 4, the user can accurately understand when and in what form the slave phones # 1 to # 3 were used.

(1-2) Since the communication management report is divided into the case of making a call and the case of making a call, the fact that the information on the call requiring a communication charge can be accurately grasped means that the communication charge is It is useful for knowing.

(1-3) Accurately knowing whether the communication mode is the extension mode via the master unit # 0 or the outside line mode via the public base station by looking at the "communication mode" column of the communication management report. You can In the extension mode, the normal general telephone line charge system is applied, and in the external mode, a different PHS charge system is applied, so that it is possible to accurately understand the communication mode in order to know the communication charge. It is useful.

(1-4) Since the sender detection unit 34 is provided, even the telephone number of the calling side can be surely known. (1-5) The communication management information can be reliably managed for each of the slave phones # 1 to # 3, regardless of the form in which the slave phones # 1 to # 3 are used.

(Second Embodiment) Next, a second embodiment of the present invention will be described focusing on the points different from the first embodiment. In the second embodiment, the slave phones # 1 to # 3 are not provided with the communication management memory 31a, and the RAM 1 of the master # 0 is used as indicated by the chain double-dashed line in FIG.
1 is provided with a communication management memory 11a. Also,
As shown by the chain double-dashed line in FIG. 2, the base unit # 0 is provided with the source detection unit 12 for detecting the telephone number of the calling side. The source detection unit 12 detects the telephone number of the calling side sent from the central office switch by an FSK signal or the like when receiving a call. Then, the communication management information of each of the child phones # 1 to # 3 is stored in the communication management memory 11a of the parent device # 0.

Next, the operation of the second embodiment will be described with reference to FIGS. 7 and 8. As shown in FIG. 8, by using each of the slave phones # 1 to # 3, the master unit # 0 is connected to another phone or the like.
When the communication is performed in the extension mode via the communication management information, each time the communication is completed, the communication management information is stored in the communication management memory 11a of the RAM 11 of the master device # 0 in the form of code data (steps S11 and S12). ). Then, when the data amount of the communication management information in the communication management memory 11a reaches, for example, the maximum storage capacity of the communication management memory 11a, the master unit # 0.
Transfers the communication management information data (code data) to the slave facsimile apparatus # 4 as a report print request signal (step S13). Upon receiving the report print request signal, the slave facsimile device # 4 temporarily stores the character code data as the communication management information in the RAM 56 (step S14). Then, child facsimile machine # 4
Transmits a response signal indicating that the report print request signal has been received to master device # 0 (step S15). Then, the child facsimile device # 4 converts the character font data corresponding to the character code data stored in the RAM 56 into C.I. G. FIG. It is read from the ROM 59, and the recording unit 42 prints out a call management report as shown in FIG. 7 on the recording paper P2 (step S16). As shown in the figure, this communication management report shows information relating to communication by the slave phones # 1 to # 3.

The communication management report in the second embodiment is also the same as in the first embodiment, and each slave telephone #
1 to # 3 are printed separately for the case of the calling side and the case of the called side, and the management information is arranged in ascending order of the communication start date and time. However, in the second embodiment, since the master unit # 0 manages the communication of the slave phones # 1 to # 3, when the slave phones # 1 to # 3 are used in the outside line mode via the public base station, The communication management information is not stored in the communication management memory 11a of the master device # 0. That is, the master unit # 0 stores the communication management information in the communication management memory 11a only when the slave phones # 1 to # 3 are used in the extension mode. Therefore, unlike the communication management report shown in FIG. 5, the communication management report shown in FIG.
In order to indicate whether or not it is the one of the "slave unit number" field is provided.

Since the wireless communication system of the second embodiment operates as described above, in addition to the effects (1-1), (1-2) and (1-4) of the first embodiment, There are many advantages.

(2-1) Master device # 0 is all slave phones #
Since the communication information items 1 to # 3 are collectively managed, communication management can be easily performed. The present invention can be modified and embodied as follows.

(A) In the first and second embodiments,
C. G. FIG. Without providing the ROM to the child facsimile device # 4,
It should be installed in base unit # 0. In this case, in the first embodiment,
When the character code data as the communication management information transmitted from the child phone # 1 is received by the parent device # 0, the parent device # 0 sets the character font data corresponding to the code data to C.I. G. FIG. R
The character font data, in other words, the image data, is read from the OM 59 and transmitted to the slave facsimile machine # 4 as communication management information. This also allows the call management report to be normally printed out. Also,
In the second embodiment, the master unit # 0 is the communication management memory 11a.
Font data corresponding to character code data as communication management information in the C.I. G. FIG. The data is read from the ROM 59 and transmitted to the child facsimile device # 4. Therefore, the slave facsimile machine # 4 prints out the communication management report as shown in FIG. 5 based on the received image data.

(B) In the first and second embodiments,
The communication management information is stored in the communication management memories 11a and 31a in the form of character font data. Therefore, the slave telephones # 1 to # 3 or the master device # 0 transmits the communication management information to the slave facsimile device # 4 in the form of font data (image data), and the slave facsimile device # 4.
Prints out a communication management report as shown in FIG. 5 or 7 based on the received image data.

(C) In the first and second embodiments,
A report print request signal is transmitted to the slave facsimile machine # 4 from the slave phones # 1 to # 3 or the master unit # 0 based on the operation of the key input unit 32 of the slave phones # 1 to # 3. . In this way, child phone # 1
It is possible to arbitrarily output the communication management information of # 3 to # 3 as needed. In the first and second embodiments,
The communication management information may be printed out based on the key operation of the key input unit of the master unit # 0.

(D) The master unit # 0 is provided with a FAX function, and the communication management information received from the slave unit # 1 in the first embodiment, and the communication management memory 11a of the master unit # 0 in the second embodiment. The stored communication management information should be printed out as a communication management report in the master unit # 0. In this case, the recording unit 42, the FAX codec 57, the FAX modem 58, and the C.I. G. FIG. The ROM 59 may be provided.

(E) In the second embodiment, as shown in FIG. 5, the communication management information is printed out separately for each of the slave telephones # 1 to # 3. By doing so, the usage state of each of the slave phones # 1 to # 3 can be grasped more accurately.

(F) In the second embodiment, base unit # 0
Each sub-phone # stored in the communication management memory 11a of
It is configured to select and transfer the communication management information of a predetermined slave telephone among the communication management information of 1 to # 3. This selection may be performed based on the operation of the key input unit of the slave phones # 1 to # 3 or # 0. By doing so, it is possible to arbitrarily select and print out only the communication management information of the desired slave telephone.

(G) In steps S5 and S13, when the slave facsimile machine # 4 cannot normally receive the communication management information, the step S5 is performed.
7. Send a signal to the data transmitting side indicating that the data was not received normally in S15. And
Retransmit the data from the data sender. By doing so, the communication management information is transmitted to the slave facsimile machine # 4.
It is possible to reliably print out in.

(H) Base unit # 0 and slave facsimile device #
4 uses "deemed voice" to perform facsimile communication on a wireless line, and the data transmission rate is 480
It is about 0 bps. However, by directly transmitting the facsimile data to the wireless line without using the “deemed voice” for the wireless line, the data transmission rate is 14400b.
It is possible to increase the data rate to about ps and to transmit data with higher quality. For this purpose, the FAX codec 57 of the child facsimile device # 4 and the channel codec 44 may be directly connected, and a FAX modem may be provided between the channel codec 4 of the parent device # 0 and the NCU 1.

(I) As a wired line, an ISDN line as a digital line network is used in place of the PSTN line as an analog line network, and the channel codec 4 of the master unit # 0 is ISDN via the ISDN interface.
Connect to the line. Thereby, a data transmission speed of 32 kbps can be realized.

(E) Use of a personal computer or the like having a communication function as a communication terminal device other than the facsimile device. The technical idea that can be understood from the above embodiment will be described below.

(1) In a wireless communication system consisting of a master unit connected to a wired telephone line and a slave unit connected to the master unit via a wireless line, the slave unit stores its own communication management information. A wireless communication system comprising: a means and a transfer means for transferring the stored communication management information to the master, and the master having an output means for printing out the received communication management information.

(2) In a wireless communication system comprising a master unit connected to a wired telephone line and a slave unit connected to the master unit via a wireless line, the master unit stores communication management information of the slave unit. A wireless communication system comprising a storage means and an output means for printing out the stored communication management information.

(3) A plurality of the slave phones are provided, and the output means of the master unit selects and prints out the communication management information of a predetermined slave phone among the communication management information of each slave phone in the storage means. The wireless communication system according to (2) above.

(4) The wireless communication system according to any one of claims 1 to 3, wherein the slave communication terminal device is a facsimile device. (5) In the above (1), the master unit is a facsimile machine.
~ The wireless communication system according to any one of (3).

(6) The transfer means of the slave telephone or the base unit transfers the communication management information when the data amount of the communication management information in the storage means reaches a predetermined amount.
And the wireless communication system according to any one of (1).

(7) The wireless communication system according to (2), wherein the output unit of the master unit prints out the communication management information when the data amount of the communication management information in the storage unit reaches a predetermined amount. .

[0048]

As described above in detail, the present invention has the following excellent effects. According to the invention described in claim 1, since the communication information can be managed for each slave telephone, it is possible to reliably manage all the usage modes of communication using the slave telephone.

According to the second aspect of the invention, since the master unit collectively manages the communication information of the slave phones, the management can be easily performed. According to the invention described in claim 3, the user can arbitrarily select and retrieve only the communication management information of the desired slave telephone.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a wireless communication system according to an embodiment of the present invention.

FIG. 2 is a circuit configuration diagram of a master unit.

FIG. 3 is a circuit configuration diagram of a slave telephone.

FIG. 4 is a circuit configuration diagram of a slave facsimile device.

FIG. 5 is an explanatory diagram illustrating a communication management report according to the first embodiment.

FIG. 6 is an operation explanatory diagram according to the first embodiment.

FIG. 7 is an explanatory diagram illustrating a communication management report according to the second embodiment.

FIG. 8 is an operation explanatory diagram according to the second embodiment.

[Explanation of symbols]

# 0 ... Parent unit, # 1 to # 3 ... Slave telephone, # 4 ... Slave facsimile machine, 9 ... CPU configuring transfer means in the second embodiment, 10 ... ROM configuring transfer means in the second embodiment, 11 ... RAM configuring transfer means in the second embodiment, 11a ... Communication management memory as storage means in the second embodiment, 29 ... CPU configuring transfer means in the first embodiment, 30 ... First embodiment , 31 constituting the transfer means in the first embodiment, RAM constituting the transfer means in the first embodiment, 31a ... Communication management memory as storage means in the first embodiment, 42 ...
Recording unit constituting output means, 59 ... C. constituting output means G. FIG. ROM.

Claims (3)

[Claims] 1. In a wireless communication system comprising a master unit connected to a wired telephone line, and a slave unit and a slave communication terminal device connected to the master unit via a wireless line, the slave unit has its own communication management information. A wireless communication system including a storage unit for storing the stored communication management information and a transfer unit for transferring the stored communication management information to the slave communication terminal device, and the slave communication terminal device including an output unit for printing out the received communication management information. 2. In a wireless communication system comprising a master unit connected to a wired telephone line, a slave unit and a slave communication terminal device connected to the master unit via a wireless line, the master unit manages communication of the slave unit. A wireless communication system comprising: storage means for storing information; and transfer means for transferring the stored communication management information to a child communication terminal device, wherein the child communication terminal device has an output means for printing out the received communication management information. 3. A plurality of the slave phones are provided, and the transfer means of the master unit selects and transfers the communication management information of a predetermined slave phone among the communication management information of the slave phones in the storage means. The wireless communication system according to claim 2, wherein the wireless communication system is configured.