JP2004096462A - Telephone device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a telephone device which immediately and securely sends origination-source information from a counterpart sent through a line from a master unit to a slave unit. <P>SOLUTION: The telephone device is equipped with the master unit 1 for communicating with the counterpart through a public telephone line 28; a plurality of slave units 2 which is connected to the master unit 1: The master unit 1 has an NCU 11 which receives the origination-source information on the counterpart, and a CPU 10 and a radio communication part 25 which transfer the origination source information received by the NCU 11 to the respective slave units 2: Those parts send several times the origination-source information from the counterpart in blocks together when the master unit 1 transfers the origination-source information from the counterpart to the respective slave units 2. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a telephone device including a telephone base unit and a telephone base unit connectable to the telephone base unit.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a so-called cordless telephone connected to a public telephone line is provided with a portable handset. In such telephones, there is a telephone that displays a telephone number of a caller on a display unit of a base unit as a number display function.
[0003]
Recently, there is a telephone set that displays the telephone number of such a caller on the display unit of the slave unit. In such a telephone, when an incoming signal arrives at the base unit via an outside line, the base unit sends the other party's telephone number, called date, and the like as data to the slave unit as data.
[0004]
FIG. 10 is a flow sequence diagram showing the exchange of commands between the parent device and the child device in that case. For example, when an incoming signal including a notification of a telephone number arrives from an outside line at the base unit (T11), the base unit specifies a communication channel as external line incoming preparation processing (T12) in order to establish a wireless connection with the slave unit (T12). Send a communication channel designation command to the slave unit. When the slave receives the communication channel designation command sent from the master, if the slave understands the communication channel, the slave sends a communication channel acknowledge command to the master as a response (call understanding processing, S11).
[0005]
When the master unit receives the speech channel acknowledgment command from the slave unit, the master unit transmits a speech channel determination command for determining a speech channel to the slave unit. Next, the main unit transmits a notification command to notify the telephone number of the other party to the slave unit as processing during the incoming call to outside line (T13), and also transmits the data of the incoming date and time and the data of the telephone number of the other party. Sent to multiple commands.
[0006]
FIG. 11 is a diagram illustrating an example of a frame format of a command including data of a telephone number and the like. Here, in the figure, "P" is a preamble, "B" is bit synchronization, "F" is frame synchronization, "S" is an ID check code, "A" is a slave unit number, "C" is a command field, “I” indicates a data field, “FCS” indicates a slave unit number, a check code of a command field and a data field, and “EOF” indicates a frame end code. The numerical value in each column indicates the number of bits.
[0007]
For example, in the command field "C" of the frame format, data indicating the type of the command (in this case, a command including the data of the incoming date and time and the telephone number) is stored, and similarly, in the data field "I", the incoming date and time and the telephone number are stored. Is stored. That is, as shown in FIG. 10, the master unit sends a date and time data command including the value of “month” among the data of the arrival date and time to the slave unit, and then transmits the date and time data command including the value of “day” to “hour”. And a date and time data command including a value of "minute". Further, the master unit distributes two digits of the telephone number (dial) data (usually 10 digits) to a plurality of dial data commands and sends them.
[0008]
On the other hand, in the slave unit, when receiving the date and time data command or the dial data command as the telephone number receiving process (S12), the display device (S13) generally displays the incoming date and time and the telephone number of the destination on the display unit (not shown). Display.
[0009]
[Problems to be solved by the invention]
However, according to the exchange of commands between the master unit and the slave unit as described above, the incoming date and time are distributed to month, day, hour, and minute and stored in the date and time data command to be transmitted. Commands are required. Furthermore, since the telephone number of the other party is stored in the dial data command two digits at a time and sent, at least five dial data commands are required to send the ten-digit telephone number to the slave unit. Therefore, in order to send the data of the incoming date and time and the telephone number from the master unit 1 to the slave unit 2, a plurality of commands must be used, which may take a long time (for example, 3 seconds).
[0010]
Therefore, when an outside line is received at the base unit, the telephone number of the other party is immediately displayed on the display unit, but since the slave unit has a long time to transfer the telephone number data, when the outside line is received, The telephone number was not always displayed on the display. Alternatively, if the handset of the base unit is turned off soon after receiving an outside line, there is a problem that the telephone number cannot be displayed on the slave unit as a result.
[0011]
Further, in the above method, the data of the incoming date and time and the telephone number are distributed for each command, and each command is sent only once to the slave unit. Therefore, when a transmission error occurs in communication of any command, However, the data portion included in the command is lost, and the data such as the telephone number becomes incomplete data. For this reason, there has been a problem that data such as a telephone number cannot be properly received and cannot be displayed on the slave unit.
[0012]
The present invention has been proposed in view of the above points, and provides a telephone device that can immediately and reliably transmit source information from a destination transmitted via a line from a master unit to a slave unit. The purpose is to provide.
[0013]
[Means for Solving the Problems]
In order to achieve the above object, a telephone device according to the present invention includes a master unit capable of communicating with a destination through a line, and a plurality of slave units connectable to the master unit. Is a telephone device comprising: receiving means for receiving the source information of the other party; and transfer means for transferring the source information received by the receiving means to each of the slave units. Is characterized in that, when the master unit transfers the source information from the destination to each of the slave units, the source information from the destination is sent a plurality of times as a block unit.
[0014]
According to such a telephone device, the master unit transmits source information from the other party, for example, the phone number of the other party in a block unit and sends the information to the slave unit a plurality of times. For this reason, the transfer time can be further reduced as compared with the conventional method in which the telephone number of the other party is distributed and transmitted in a plurality of command signals. Therefore, for example, the telephone number of the other party can be immediately displayed on the display unit of the slave unit. Further, since the command signal including the telephone number is sent a plurality of times, it is possible to greatly reduce the possibility that the data of the incoming date and time or the telephone number cannot be received in the slave unit due to a transmission error, for example.
[0015]
A telephone device according to a second aspect of the present invention is the telephone device according to the first aspect, wherein the master unit is shared with the slave unit when wirelessly connected to the slave unit. It has a decision signal transmitting means for sending a decision signal for determining a channel to the slave unit a plurality of times, the transfer means, sent by the decision signal sending means, the decision signal for determining the channel The sender information is sent with the sender information from the destination.
[0016]
According to such a telephone device, in addition to the effect of the telephone device according to claim 1, a determination signal for determining a channel, which is necessary when the master unit and the slave unit are wirelessly connected, is transmitted from the other party. Is added. Therefore, it is not necessary to newly provide a command signal for transmitting only the source information from the other party, and the source information from the other party can be efficiently transmitted to the slave unit.
[0017]
A telephone device according to a third aspect of the present invention is the telephone device according to the first or second aspect, wherein each of the slave units is configured such that when the source information is transferred by the transfer unit, the base unit And transmission means for continuously transmitting the carrier to be transmitted so as not to be interrupted in time.
[0018]
According to such a telephone device, in addition to the effect of the telephone device according to claim 1 or 2, each of the slave units is provided with a carrier transmitted to the master unit when the transmission source information is transferred from the master unit. Are transmitted continuously so that they are not interrupted in time, so that a time period during which no carrier is transmitted can be eliminated. Therefore, when the source information is transferred from the master unit, no command signal is sent from another master unit. Therefore, it is possible to prevent interference from another master unit.
[0019]
A telephone device according to a fourth aspect of the present invention is the telephone device according to the third aspect, wherein the sending unit transmits the source information from the other party, wherein the slave unit is sent from the master unit. When receiving the decision signal including, a carrier is transmitted for a predetermined time.
[0020]
According to such a telephone device, in addition to the effect of the telephone device according to the third aspect, when the slave unit receives a determination signal (for example, a communication channel determination command) including transmission source information from the other party, Since the carrier is transmitted for a predetermined time so as not to be interrupted in time by other slave units, there is no interference from other master units, and it is possible to reliably receive a communication channel determination command from a legitimate master unit. Can be. In this case, the predetermined time may be set to a time until the master unit finishes sending the determination signal.
[0021]
A telephone device according to a fifth aspect of the present invention is the telephone device according to any one of the second to fourth aspects, wherein the slave unit receives a determination signal for determining the channel, And display means for extracting and displaying the source information from the destination added to the decision signal.
[0022]
According to such a telephone device, in addition to the effects of the telephone device according to any one of claims 2 to 4, the user can surely know the source information from the other party at the child device.
[0023]
A telephone device according to a sixth aspect of the present invention is the telephone device according to any one of the first to fifth aspects, wherein the source information from the destination includes the source telephone number of the destination. Is included.
[0024]
According to such a telephone device, in addition to the effect of the telephone device according to any one of claims 1 to 5, since the source information from the destination includes the telephone number of the destination, a so-called number display is provided. Function can be realized.
[0025]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
[0026]
FIG. 1 is a schematic block diagram showing an example of a telephone device according to the present invention. This telephone device includes a base unit 1 composed of a facsimile machine, and a plurality of slave units 2 that can communicate with the base unit 1 wirelessly.
[0027]
Although not shown, the master unit 1 is provided with, for example, various functions such as an inkjet printing function, an image reading function (scanner function), and an image communication function. For example, when transmitting facsimile data, master device 1 reads a document using an image reading function, and transmits the read document data to a destination by a communication function. When the facsimile data is received by the communication function, the contents of the facsimile data are printed on a predetermined recording sheet by using the printing function. The master unit 1 can be used as a printing device or a scanner in an independent manner while being connected to a personal computer, for example. In addition, by linking the printing function and the image reading function, it can be used as a copy machine.
[0028]
Base unit 1 includes CPU 10, NCU 11, RAM 12, modem 13, ROM 14, NVRAM (Non-Volatile RAM) 15, gate array 16, codec 17, and DMAC 18, which are interconnected by bus 19. ing. The bus 19 includes an address bus, a data bus, and a control signal line. Further, in the parent machine 1, a reading unit 21, a printing unit 22, an operation unit 23, a display unit 24, and a wireless communication unit 25 are connected to the gate array 16 and provided. The NCU 11 is connected to a public telephone line 28 (hereinafter, referred to as “outside line 28”). The base unit 1 is connected to a handset having a built-in microphone and speaker (not shown).
[0029]
The CPU 10 controls the operation of the main unit 1 as a whole. The NCU 11 performs network control by being connected to the outside line 28. The RAM 12 provides a work area for the CPU 10 and the like. The modem 13 modulates and demodulates voice data and facsimile data. The ROM 14 stores programs to be executed by the CPU 10 and the like. The NVRAM 15 stores data and various information.
[0030]
The gate array 16 functions as an interface between the CPU 10 and each of the units 21 to 25. The codec 17 encodes and decodes audio signals and facsimile data. The DMAC 18 mainly writes and reads data to and from the RAM 12.
[0031]
The reading unit 21 includes, for example, an image sensor, an LED light source, and a document feed motor (none of which are shown), and reads an image from a facsimile document or the like under the control of the CPU 10.
[0032]
The printing unit 22 prints an image such as a character or a figure in monochrome or color by a thermal method or the like.
[0033]
As shown in FIG. 2, the operation unit 23 includes a dial key 23A, a jog dial key 23B, other operation keys, and the like, and transmits an input signal by a user's key operation to the CPU 10.
[0034]
The display unit 24 includes, for example, a liquid crystal display panel 24A, as shown in FIG. 2, and displays an operation state, operation guidance, and the like on the liquid crystal display panel 24A.
[0035]
The wireless communication unit 25 includes an antenna (not shown), and exchanges audio signals and various data with each slave unit 2 using a control channel or a communication channel.
[0036]
Slave unit 2 is temporarily installed in a room different from the room where master unit 1 is installed in a house, for example. As shown in FIG. 1, the slave unit 2 includes a CPU 30, a RAM 31, a ROM 32, an NVRAM 34, a gate array 35, and the like, and these are connected to each other by a bus 36. The operation unit 41, the display unit 42, and the wireless communication unit 43 are connected to the gate array 35.
[0037]
The CPU 30 controls the overall operation of the slave unit 2. The RAM 31 provides a work area for the CPU 30 and the like. The ROM 32 stores programs to be executed by the CPU 30 and the like. The NVRAM 34 stores data and various information. The gate array 35 functions as an interface between the CPU 30 and each of the units 41 to 43.
[0038]
As shown in FIG. 3, the operation unit 41 includes a dial key 41A, a select key 41B, other operation keys, and the like, and transmits an input signal according to a user operation to the CPU 30.
[0039]
The display unit 42 includes, for example, a liquid crystal display panel 42A, as shown in FIG. 3, and displays an operation state, operation guidance, and the like on the liquid crystal display panel 42A.
[0040]
The wireless communication unit 43 includes an antenna (not shown), and exchanges audio signals and various data with the master unit 1 and other slave units 2 using a control channel and a communication channel. In particular, a speaker 43A and a microphone 43B are connected to the wireless communication unit 43 as shown in FIG. As a result, a call can be made between the master unit 1 and another slave unit 2. The other slave units 2 have the same configuration.
[0041]
Next, exchange of commands between the parent device 1 and the child device 2 in the above configuration will be described with reference to a flow sequence diagram shown in FIG.
[0042]
First, when the NCU 11 detects an incoming signal including the telephone number of the other party sent through the outside line 28 (T1), the base unit 1 performs wireless communication with the slave unit 2 in the outside line incoming preparation process (T2). Sends a command signal for connection. That is, a communication channel designation command for designating a communication channel used in common with the handset 2 is sent to the handset 2.
[0043]
When receiving the call channel designation command sent from base unit 1, handset 2 performs a call end process (S 1) when accepting the call channel, and returns a call channel end command as a response to base unit 1. .
[0044]
Upon receiving the communication channel acknowledgment command from child device 2, master device 1 sends a communication channel determination command for determining a communication channel to child device 2. When transmitting the call channel determination command, master device 1 includes the telephone number of the other party and the date and time of the incoming call in the call channel determination command. Specifically, data such as the telephone number of the destination and the arrival date and time are included in one call channel determination command as a block unit, and the call channel determination command is continuously transmitted, for example, three times.
[0045]
FIG. 5 is a diagram showing an example of the frame format of the traffic channel determination command. Here, in the figure, "P" is a preamble, "B" is bit synchronization, "F" is frame synchronization, "S" is an ID check code, "A" is a slave unit number, "C" is a command field, "I" is a data field, "FCS" is a slave unit number, a command field, and a check code of a data field, "EOF" is a frame end code, "ADC" is an additional command field, "ADI" is an additional data field, " “DATA” indicates an additional block data field, and “Check” indicates a check code of an additional command field, an additional data field, and an additional block data field. The numerical value in each column indicates the number of bits.
[0046]
According to the above-mentioned frame format, the additional command field “ADC” and the additional data field “ADI” form one set, and the frame format is configured to include a plurality of sets. The additional command field "ADC" stores a number notification command indicating that the number display information is to be sent, and the additional data field "ADI" stores the data of the actual telephone number (usually 10 digits) of the other party. You. In addition, data of the arrival date and time is stored in the additional block data field “DATA”.
[0047]
As described above, since the frame format has a sufficient number of fields to store a 10-digit telephone number, it is possible to easily include data of the telephone number and the arrival date and time in one call channel determination command. it can. The stored data may be, for example, the name of the other party, the name of the company, or other information relating to the incoming call from the outside line, in addition to the incoming call date and time and the telephone number.
[0048]
Receiving the communication channel determination command, handset 2 recognizes that the communication channel has been determined, and analyzes the contents of additional command field “ADC” and additional data field “ADI” to obtain a number display number. The telephone number data of the other party is extracted, and these are temporarily stored in the RAM 31. Further, by analyzing the contents of the additional block data field “DATA”, the arrival date and time data is extracted and temporarily stored in the RAM 31.
[0049]
Then, as a display process (S2), the slave unit 2 reads out the telephone number and the incoming call date and time of the other party from the RAM 31 and displays them on the liquid crystal display panel 42A of the display unit 42. Thus, the user can easily confirm the telephone number of the destination, the date and time of the incoming call, and the like in the child device 2.
[0050]
On the other hand, after sending the call channel determination command, master unit 1 sends a bell ringing instruction command to slave unit 2 as outside line incoming call processing (T3). As a result, the child device 2 causes the bell 43 (A ringing sound) to sound through the speaker 43A as a bell sounding process (S3).
[0051]
In this way, the base unit 1 sends source information from the other party, for example, the telephone number of the other party to the slave unit 2 in a block unit. For this reason, the transfer time can be further reduced as compared with the conventional method in which the telephone number of the other party is distributed and transmitted in a plurality of commands. Therefore, after an incoming call is received from the base unit 1, a telephone number or the like can be immediately displayed on the sub unit 2.
[0052]
Further, by transmitting the communication channel determination command three times, each slave unit 2 can receive any communication channel determination command. That is, compared to the method in which the telephone number of the other party is sent to the handset 2 only once as in the related art, the possibility that the data of the incoming date and time or the phone number cannot be received in the handset 2 due to a transmission error is greatly increased. Can be reduced.
[0053]
The number of transmissions of the communication channel determination command is not limited to three as described above, and may be more than three. However, as the number of transmissions increases, the time loss also increases. Therefore, it is desirable to transmit an appropriate number.
[0054]
When the communication channel determination command is sent from master unit 1 to each slave unit 2, slave unit 2 transmits the command so that the carrier transmitted to master unit 1 is not interrupted in time. Each may be controlled so as to be continuously transmitted.
[0055]
That is, when the place where the telephone is used is an apartment such as a condominium, the other base unit in the next house receives an outside line, and a call channel designation command is issued to the slave unit managed by the other base unit. May be sent. However, handset 2 may erroneously receive the command during a time period in which the carrier is not transmitted, which makes it impossible to properly exchange commands between the base unit and the handset that should originally communicate.
[0056]
Therefore, when the communication channel determination command is transmitted from the base unit 1 to each of the slave units 2, if the carrier is transmitted so that the carrier is not interrupted in time, the carrier between the slave units 2 can be changed. It is possible to eliminate a time zone in which a command is not transmitted, so that a command is not transmitted from a master other than the master 1 that manages each slave 2. Therefore, it is possible to prevent a command from being received from another master unit.
[0057]
6 to 8 are diagrams showing operation timing charts of the master unit 1 and the slave unit 2.
[0058]
First, when there is an incoming call via the outside line 28, the base unit 1 receives the incoming signal and performs a reception control process for setting a communication channel used in common with each of the slave units 2. Next, as shown in FIGS. 6 and 7A, master device 1 sends a plurality of communication channel designation commands to each slave device 2 at a predetermined timing.
[0059]
As shown in FIGS. 6 and 7B, each slave unit 2 sends back a communication channel acknowledge command as a response to the communication channel designation command. Specifically, the transmission amplifier (not shown) provided in the wireless communication unit 43 is turned on to transmit the carrier, and also transmits a communication channel acknowledge command to the base unit 1. After the transmission of the communication channel acknowledge command, a standby is waited for a predetermined time in order to keep transmitting the carrier, and then the transmission amplifier is turned off to finish transmitting the carrier. In the drawing, a range surrounded by a thick frame line indicates that a carrier has been transmitted by the slave unit 2.
[0060]
Master device 1 continues to intermittently send a communication channel designation command until a communication channel acknowledgment command is returned from all of the plurality of child devices 2. When the communication channel acknowledgment command is returned from all of the plurality of slave units 2, the master unit 1 transmits a communication channel determination command for determining the communication channel to each slave unit as shown in FIG. 7C and FIG. 2 is sent. Here, the call channel determination command includes data of the telephone number of the destination called via the outside line 28 and data of the date and time of reception.
[0061]
The parent device 1 sends the communication channel determination command to each child device 2 three times in succession. Thereafter, the transmission amplifier is turned off, and the transmission of the carrier is completed (see D in FIG. 8).
[0062]
Out of the slave units 2, the slave unit 2 which has finally returned the communication channel acknowledge command keeps turning on the transmission amplifier for a predetermined time after transmitting the communication channel acknowledge command. Thereafter, when the communication channel determination command is transmitted from the base unit 1, the transmission amplifier is kept turned on again in order to continue transmission of the carrier. Then, base unit 1 finishes transmitting the third communication channel determination command, turns off the transmission amplifier, and ends transmission of the carrier (see E in FIG. 8).
[0063]
On the other hand, the other slave units 2 that have turned off the transmission amplifier after returning the communication channel acknowledgment command turn on the transmission amplifiers, for example, when receiving the first communication channel determination command from the base unit 1. I do. Until the transmission of the third communication channel determination command from the base unit 1 is completed, the transmission amplifier is kept on, the carrier is continuously transmitted, and the base unit 1 finishes transmitting the communication channel determination command. Is turned off, and the transmission of the carrier is completed (see F in FIG. 8).
[0064]
As described above, since each slave unit 2 keeps the transmission amplifier on while the master unit 1 is transmitting the communication channel determination command, the carrier is not interrupted in each slave unit 2. Therefore, each slave unit 2 can continuously transmit the carrier output to the master unit 1 so as not to be interrupted in time. Therefore, no communication channel designation command or the like is transmitted from another master unit. Further, since the communication channel determination command includes the data of the telephone number of the other party, the command length becomes relatively long, and the child device 2 may receive another command from another parent device. However, as described above, the carrier is transmitted so as not to be temporally interrupted, so that the possibility can be eliminated.
[0065]
Thereafter, as shown in FIG. 8, when the transmission amplifier is turned off, master device 1 switches the control channel to the determined communication channel as the communication control process, as shown in FIG. Then, the transmission amplifier is turned on, and a bell sounding command command is transmitted to each slave unit 2.
[0066]
On the other hand, as shown in FIG. 8, when the transmission amplifier is turned off, each slave unit 2 switches the control channel to the determined communication channel as the communication control process. Then, when a bell ringing command command is received from master device 1, a bell sound (ringing sound) is output from speaker 43A.
[0067]
In addition, the telephone number of the destination and the date and time of the incoming call sent from the master unit 1 to the slave unit 2 are not included in the call channel determination command as described above. A block notification command mainly for transmitting the date and time data may be separately created and transmitted to the slave unit 2.
[0068]
FIG. 9 is a diagram illustrating an example of the frame format of the block notification command. The difference from the format of FIG. 5 is that a block data field “DATA” is provided instead of the additional command field “ADC” and the additional data field “ADI”. In this block data field "DATA", data on the telephone number of the other party or data on the date and time of arrival is stored. The master device 1 separates the telephone number of the other party or the arrival date and time into a block unit separately from the notification channel determination command, stores the block unit in the block notification command, and repeats the block notification command a plurality of times (for example, three times). Send it to handset 2.
[0069]
Also in this case, the transfer time can be further reduced as compared with the conventional method in which the telephone number of the other party is distributed and transmitted in a plurality of commands. Further, since the block notification command is sent a plurality of times, it is possible to greatly reduce the possibility that the child device 2 cannot receive the data of the incoming date and time or the telephone number due to a transmission error, for example.
[0070]
Further, the present invention is not limited to the above embodiment. For example, the internal configurations of parent device 1 and child device 2 and the number of child devices 2 are not limited to the configuration shown in FIG. Further, in the above embodiment, the telephone device is applied by being connected to the outside line 28, but instead, an IP telephone or the like may be applied.
[0071]
【The invention's effect】
As described above, according to the telephone device of the first aspect of the present invention, the base unit sets the source information from the destination, for example, the telephone number of the destination, in a block unit, and performs the child multiple times. Send to machine. For this reason, the transfer time can be further reduced as compared with the conventional method in which the telephone number of the other party is dispersed and transmitted in a plurality of command signals, and for example, the telephone number of the other party is displayed on the display unit of the slave unit. Can be displayed immediately. Further, since the command signal including the telephone number is sent a plurality of times, it is possible to greatly reduce the possibility that the data of the incoming date and time or the telephone number cannot be received in the slave unit due to a transmission error, for example.
[0072]
Further, according to the telephone device of the invention described in claim 2, in addition to the effect of the telephone device described in claim 1, in addition to the effect of the telephone device, it is necessary to determine a channel required when the master unit and the slave unit are wirelessly connected. Source information from the other party is added to the decision signal. Therefore, it is not necessary to newly provide a command signal for transmitting only the source information from the other party, and the source information from the other party can be efficiently transmitted to the slave unit.
[0073]
Furthermore, according to the telephone device of the invention described in claim 3, in addition to the effect of the telephone device according to claim 1 or 2, each of the slave units is connected to the master unit when the source information is transferred from the master unit. , The carrier is continuously transmitted so that the carrier is not interrupted temporally, so that the time zone in which the carrier is not transmitted can be eliminated. Therefore, when the transmission source information is transferred from the master unit, no command signal is sent from another master unit, and each slave unit does not receive it erroneously. Therefore, it is possible to prevent interference from another master unit.
[0074]
Furthermore, according to the telephone device of the invention described in claim 4, in addition to the effect of the telephone device described in claim 3, in addition to the effect obtained by the telephone device, the slave unit can determine the decision signal including the transmission source information from the other party (for example, the call channel decision). Command), the carrier is transmitted for a predetermined time so as not to be interrupted temporally, so that it is possible to reliably receive a communication channel determination command from an authorized master unit. In this case, the predetermined time may be set to, for example, a time until the master unit finishes sending the determination signal.
[0075]
Further, according to the telephone device of the invention described in claim 5, in addition to the effect of the telephone device according to any one of claims 2 to 4, the user can reliably transmit the source information from the other party in the slave unit. You can know.
[0076]
Further, according to the telephone apparatus of the invention described in claim 6, in addition to the effect of the telephone apparatus according to any one of claims 1 to 5, the telephone number of the other party is included in the source information from the other party. Since it is included, a so-called number display function can be realized.
[Brief description of the drawings]
FIG. 1 is a schematic block configuration diagram of a telephone device according to the present invention.
FIG. 2 is a diagram showing a panel surface of a master unit.
FIG. 3 is an external view of a slave unit.
FIG. 4 is a flow sequence diagram showing exchange of commands between a parent device and a child device.
FIG. 5 is a diagram illustrating an example of a command frame format.
FIG. 6 is a diagram showing an operation timing chart of a parent device and a child device.
FIG. 7 is a diagram showing an operation timing chart of a parent device and a child device.
FIG. 8 is a diagram showing an operation timing chart of a parent device and a child device.
FIG. 9 is a diagram illustrating an example of a command frame format.
FIG. 10 is a flow sequence diagram showing a conventional command exchange between a parent device and a child device.
FIG. 11 is a diagram illustrating an example of a command frame format.
[Explanation of symbols]
1 Facsimile machine (parent machine)
2 child unit
10 CPU (of parent machine)
25 Wireless communication unit
28 Public telephone line (external line)
30 CPU (of slave unit)
42 Display unit (of slave unit)
43 Wireless communication unit (of slave unit)

Claims (6)

A master unit capable of communicating with the other party through a line, and a plurality of slave units connectable to the master unit, wherein the master unit includes: receiving means for receiving the source information of the other party; and the receiving means. Transfer means for transferring the received source information to each of the slave units,
The transfer means,
A telephone device, wherein when the master unit transmits the source information from the destination to each of the slave units, the source device sends the source information from the destination a plurality of times as a block unit. The master unit is
When wirelessly connected to the slave unit, having a determination signal transmitting means for sending a plurality of times to the slave unit a determination signal for determining a channel shared with the slave unit,
The transfer means,
2. The telephone device according to claim 1, wherein the determination signal for determining the channel, which is transmitted by the determination signal transmitting means, is transmitted with source information from the destination added. Each of the above slave units,
3. The transmission device according to claim 1, further comprising transmission means for continuously transmitting the carrier information to the master unit when the transmission information is transferred by the transfer means so that the carrier is not interrupted in time. A telephone device according to claim 1. The sending means is
4. The telephone device according to claim 3, wherein the slave unit transmits a carrier for a predetermined time when the slave unit receives a determination signal sent from the master unit and including source information from the destination. The above slave unit is
5. The display device according to claim 2, further comprising: display means for extracting and displaying source information from the destination added to the determination signal when receiving a determination signal for determining the channel. Telephone equipment. The telephone device according to any one of claims 1 to 5, wherein the source information from the destination includes a source telephone number of the destination.

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