JP5499838B2 - Cordless telephone device and erroneous placement detection method - Google Patents

Description

  The present invention relates to a cordless telephone device, and more particularly to an erroneous placement detection technique for detecting an erroneous placement of a slave unit with respect to a parent unit of a cordless telephone device.

A cordless telephone device is composed of a parent device connected to a wired line and a handset-type child device connected to the parent device via a wireless line based on a wireless communication method such as Bluetooth (registered trademark: Bluetooth). Yes.
The cordless telephone device's handset operates with a secondary battery as a power source. For this reason, a charging stand is provided for charging the secondary battery of the slave unit from the master unit's power source by placing the slave unit on the master unit. The slave unit is placed on the charging stand of the machine.

  In addition, such a cordless telephone device may have a wireless communication area overlapping with other cordless telephone devices. For example, in a telephone system such as a button telephone apparatus or a PBX system that exchanges and connects a plurality of extension telephone terminals to the telephone network, a cordless telephone apparatus may be used as the extension telephone terminal, and a plurality of cordless telephone apparatuses are installed in the same room. Is installed.

Therefore, in order to avoid interference with the wireless communication of other cordless telephone devices, the base unit and the slave unit of the cordless telephone device perform wireless communication between the parent device and the slave unit paired with a preset identification code. It is to do.
As a result, for example, when an incoming call is notified to a base unit of an arbitrary cordless telephone device, a control message is notified only to the slave unit paired from the base unit, and the incoming call is displayed on the slave unit. become.

On the other hand, since the master unit and the slave unit are connected via a wireless line and the slave unit can be carried, the slave unit is erroneously placed on the charging stand of another master unit that is not paired by mistake. There is a case.
If such an erroneous placement occurs, even if the user picks up the slave unit placed on the master unit and performs a response operation according to the incoming call display on the master unit, Since it is paired with another parent device, there occurs a problem that the child device cannot respond to the incoming call.

  Conventionally, as a technology for newly pairing a base unit and a slave unit that are in such a misplacement relationship and enabling wireless communication, a wireless ID tag is provided in the slave unit, and wireless transmission is performed from the wireless ID tag. A technique has been proposed in which a tag ID is received by a master unit to detect erroneous placement (see, for example, Patent Document 1).

JP 2006-287340 A

  However, in such a conventional technology, since the tag ID for determining the presence or absence of erroneous placement is wirelessly transmitted to the parent device using a wireless ID tag, if the wireless communication environment is not good, There is a problem that the tag ID is not properly notified to the parent device, and erroneous placement cannot be detected accurately. For example, when a plurality of cordless telephone devices are arranged close to each other, the parent device may receive a tag ID of a child device that is not placed, and in such a case, an error may occur as a result. The placement cannot be detected accurately.

  The present invention is to solve such a problem, and an object thereof is to provide an erroneous placement detection technique capable of accurately detecting an erroneous placement of a child device with respect to a parent device.

In order to achieve such an object, a cordless telephone device according to the present invention is a cordless telephone device including a parent device connected to a wired line and a child device connected to the parent device via a wireless line. The slave unit uses a slave unit wireless unit that performs wireless communication with the master unit via a wireless line, and a pulse signal superimposed on a power source for charging supplied from the master unit. A slave unit data communication unit that performs data communication between the slave unit, a slave unit storage unit that stores a slave unit identification code for identifying pairing with the master unit, and a slave unit identification code of the slave unit storage unit An identification code management unit that transmits data from the data communication unit to the base unit. The base unit is mounted on the base unit and a base unit radio unit that performs wireless communication with the slave unit via a wireless line. By using a pulse signal superimposed on the power supply for charging supplied to the slave unit From the slave unit, the master unit data communication unit that performs data communication with the slave unit, the master unit storage unit that stores the master unit identification code for identifying pairing with the slave unit, and the master unit data communication unit Comparing the received slave unit identification code with the master unit identification code of the base unit storage unit, and including an erroneous placement detection unit that detects erroneous placement of the slave unit according to the comparison result, the erroneous placement detection unit is If the slave unit identification code does not match the master unit identification code, the master unit identification code is transmitted from the master unit data communication unit to the slave unit, and the identification code management unit receives the master unit received from the master unit by the slave unit data communication unit. The machine identification code is registered in the child machine storage unit as a new child machine identification code, and a registration completion notification is transmitted from the child machine data communication unit to the parent machine in response to the completion of registration of the child machine identification code. Registration completion notification indicating the completion of registration of the slave unit identification code from the slave unit in the master unit data communication unit Is received from the base unit radio unit, and a base unit address management unit for acquiring the base unit radio address used for radio communication and transmitting it from the base unit data communication unit to the slave unit is provided. Set the base unit radio address received from the base unit in the communication unit to the slave unit radio unit, acquire the slave unit radio address used for wireless communication from the slave unit radio unit, and send it from the slave unit data communication unit to the base unit The slave unit address management unit further sets the slave unit radio address received from the slave unit in the master unit data communication unit in the master unit radio unit.

In addition, the erroneous placement detection method according to the present invention is an erroneous placement detection method used in a cordless telephone device including a parent device connected to a wired line and a child device connected to the parent device via a wireless line. The slave unit uses a slave unit wireless unit that performs wireless communication with the master unit via a wireless line, and a pulse signal superimposed on a charging power source supplied from the master unit. A slave unit storage step for storing a slave unit identification code for identifying pairing with the master unit, the slave unit storage unit of the slave unit having a slave unit data communication unit for performing data communication with the slave unit When, the identification code management unit of the slave unit, the slave unit identification code of the handset memory unit, a pulse signal is superimposed on the charging power supplied from the main unit and the identification code management sending to the main unit The master unit performs wireless communication with the slave unit via a wireless line. A master data communication unit that performs data communication with a slave unit by using a pulse signal superimposed on a power source for charging supplied to the master unit and a slave unit mounted on the master unit provided with a preparative, base unit storage portion of the master unit is a master unit storing step of storing the master unit identification code for identifying the pairing with the slave unit, the Ayamano置検knowledge portion of the master unit, the pulse signal the handset identification code received from the slave unit compares the master unit identification code of the base unit storage unit, and a false mounting detection step for detecting the erroneous mounting of the handset according to the comparison result by, Ayamano In the position detection step, when the slave unit identification code does not match the master unit identification code, the master unit identification code is transmitted from the master unit data communication unit to the slave unit, and the identification code management step is performed by the slave unit data communication unit. The master unit identification code received from In addition to registering in the slave unit storage unit, a registration completion notification is transmitted from the slave unit data communication unit to the master unit upon completion of registration of the slave unit identification code. When a registration completion notification indicating registration completion of the identification code is received, a master unit address management step of acquiring a master unit radio address used for radio communication from the master unit radio unit and transmitting it from the master unit data communication unit to the slave unit Furthermore, the slave unit sets the master unit radio address received from the master unit in the slave unit data communication unit to the slave unit radio unit, and acquires the slave unit radio address used for wireless communication from the slave unit radio unit, A slave unit address management step for transmitting from the slave unit data communication unit to the master unit is further provided. In the master unit address management step, the slave unit radio address received from the slave unit by the master unit data communication unit is set in the master unit radio unit. What I did It is.

  According to the present invention, the identification code is exchanged between the parent device and the child device in the placement relationship via the charging terminal in a wired manner. As a result, the identification code can be exchanged without being affected by the base unit or handset of other cordless telephone devices installed in the wireless communication environment or the surroundings. It can be detected accurately.

It is a block diagram which shows the structure of the cordless telephone apparatus concerning this Embodiment. It is an external view of the cordless telephone apparatus concerning this Embodiment. It is a structural example of a main | base station data communication part and a subunit | mobile_unit data communication part. It is a sequence diagram which shows the incorrect placement detection operation | movement of the cordless telephone apparatus concerning this Embodiment.

Next, an embodiment of the present invention will be described with reference to the drawings.
[Cordless telephone device]
First, a cordless telephone apparatus according to the present embodiment will be described with reference to FIGS. 1 and 2. FIG. 1 is a block diagram showing the configuration of the cordless telephone apparatus according to the present embodiment. FIG. 2 is an external view of the cordless telephone device according to the present embodiment.

  The cordless telephone device 1 includes a parent device 10 connected to a wired line 10L and a child device 20 connected to the parent device 10 via a wireless line 30, and the partner telephone device (see FIG. A function that realizes a call between the child device 20 and the other party telephone device by the parent device 10 relaying the call formed between the child device 20 and the other party telephone device via the wireless line 30; By placing the slave unit 20 on the charging base 10A of the base unit 10, the charging terminal 10T of the base unit 10 and the charging terminal 20T of the base unit 20 are in electrical contact, and the charging power source is connected to the slave unit 10 from the base unit 10 And a function of charging the secondary battery of the child device 20 by being supplied to the device 20.

The parent device 10 and the child device 20 exchange voice data, control data, and the like by forming a wireless line 30 by wireless communication based on a wireless communication method such as Bluetooth. At this time, an identification code such as a PIN number used in Bluetooth is registered in advance in the master unit 10 and the slave unit 20 in order to confirm pairing with each other. It distinguishes the parent device and the child device of the telephone device. In the present embodiment, the identification code registered in the parent device 10 is called a parent device identification code, and the identification code registered in the child device 20 is called a child device identification code.
In addition, a wireless address used for wireless communication is set in advance in the parent device 10 and the child device 20, and in this embodiment, a wireless address registered in the parent device 10 is referred to as a parent device wireless address. The wireless address registered in the device 20 is called a slave device wireless address.

  In the present embodiment, the slave unit 20 transmits the slave unit identification code to the master unit 10 in a pulse signal in which the slave unit identification code is superimposed on the charging power source supplied from the master unit 10. The slave unit identification code received from the slave unit 20 is compared with the master unit identification code, and erroneous placement of the slave unit 20 is detected according to the comparison result.

[Base unit]
Next, with reference to FIGS. 1-3, the structure of the main | base station 10 of the cordless telephone apparatus concerning this Embodiment is demonstrated in detail. FIG. 3 is a configuration example of the parent device data communication unit and the child device data communication unit.
The base unit 10 includes main unit radio unit 11, base unit data communication unit 12, power source unit 13, base unit storage unit 14, erroneous placement detection unit 15, base unit address management unit 16, main unit as main functional units. A machine call control unit 17 and a line interface unit (hereinafter referred to as a line I / F unit) 18 are provided.

  The base unit radio unit 11 is composed of a dedicated radio communication module, and uses the preset base unit radio address and slave unit radio address to perform radio communication with the slave unit 20 to form a radio line 30. It has a function of exchanging voice data and control data with the slave unit 20.

As shown in FIG. 3, the parent device data communication unit 12 includes a dedicated data transmission / reception circuit 12A and a superimposing transformer 12B, and is supplied from the power supply unit 13 to the child device 20 via the charging terminal 10T. It has a function of performing data communication with the slave unit 20 by superimposing a pulse signal on the power supply.
The power supply unit 13 includes a dedicated power supply circuit, and has a function of generating an operation power supply used in each functional unit of the parent device 10 and a charging power supply supplied to the child device 20 from an externally supplied power source such as an AC power supply. Have.

The two windings provided on the secondary side of the superimposing transformer 12B are respectively supplied with charging power from the power supply unit 13, and the primary winding of the superimposing transformer 12B is connected to the transmission / reception circuit 12A. Yes.
Thereby, the power supply for charge from the power supply part 13 is supplied to the subunit | mobile_unit 20 via the charging terminal 10T and the charging terminal 20T from the superimposing transformer 12B. The pulse signal transmitted from the transmission / reception circuit 12A is superimposed on the charging power source and transmitted to the slave unit 20, and the pulse signal from the slave unit 20 superimposed on the charging power source is received by the transmission / reception circuit 12A. .

  The base unit storage unit 14 includes a storage device such as a semiconductor memory, and has a function of storing processing information and programs used in each functional unit. Main processing information includes a base unit identification code and call control information used for call control.

  The erroneous placement detection unit 15 compares the slave unit identification code received from the slave unit 20 by the master unit data communication unit 12 with the master unit identification code acquired from the master unit storage unit 14, and determines the slave unit identification code according to the comparison result. A function of detecting erroneous placement of the device 20 and a function of transmitting the parent device identification code from the parent device data communication unit 12 to the child device 20 when the child device identification code does not match the parent device identification code. Yes.

  When the master unit data communication unit 12 receives a registration completion notification indicating that the registration of the slave unit identification code has been completed from the slave unit 20, the master unit radio address used for wireless communication from the master unit radio unit 11 And the function of transmitting the slave unit radio address received from the slave unit 20 by the master unit data communication unit 12 to the master unit radio unit 11 Have.

  The base unit call control unit 17 exchanges call control signals and call control messages with a telephone network (not shown) via the line I / F unit 18 to make outgoing calls, incoming calls using the wired line 10L, A function of performing call control such as a telephone call, and a function of realizing a call between the handset 20 and the other party telephone device by relay connection between the base unit radio unit 11 and the line I / F unit 18 ing.

The line I / F unit 18 includes a dedicated communication circuit and has a function of exchanging call control signals and call control messages with the telephone network via the wired line 10L.
Among these functional units provided in the base unit 10, the erroneous placement detection unit 15, the base unit address management unit 16, and the base unit call control unit 17 are realized by the cooperation of the CPU and the program.

[Cordless handset]
Next, the configuration of the handset 20 of the cordless telephone device according to the present embodiment will be described in detail with reference to FIGS.
The slave unit 20 includes a slave unit radio unit 21, a slave unit data communication unit 22, a secondary battery 23, a slave unit storage unit 24, an identification code management unit 25, and a slave unit address management unit 26 as main functional units. It has been.

  The subunit | mobile_unit radio | wireless part 21 consists of a dedicated radio | wireless communication module, forms the radio | wireless line 30 by performing radio | wireless communication with the main | base station 10 using the subunit | mobile_unit radio | wireless address and main | base station radio | wireless address which were preset. It has a function of exchanging voice data and control data with the base unit 10.

As shown in FIG. 3, the slave unit data communication unit 22 includes a dedicated data transmission / reception circuit 22A and a superimposing transformer 22B, and is used for charging supplied from the master unit 10 to the secondary battery 23 via the charging terminal 20T. By superimposing a pulse signal on the power supply, it has a function of performing data communication with the parent device 10.
The secondary battery 23 has a function of charging the charging power source supplied from the parent device 10 and generating an operating power source used in each functional unit of the child device 20.

A secondary battery 23 is connected to two windings provided on the secondary side of the superimposing transformer 22B, and a primary winding of the superimposing transformer 22B is connected to the transmission / reception circuit 22A.
Thus, the charging power supplied from the parent device 10 is supplied from the superimposing transformer 22B to the secondary battery 23 via the charging terminal 10T and the charging terminal 20T. The pulse signal from the base unit 10 superimposed on the charging power source is received by the transmission / reception circuit 22A, and the pulse signal transmitted from the transmission / reception circuit 22A is superimposed on the charging power source and transmitted to the base unit 10. .

  The subunit | mobile_unit memory | storage part 24 consists of memory | storage devices, such as a semiconductor memory, and has a function which memorize | stores the processing information and program which are used by each function part. Main processing information includes a handset identification code and call control information used for call control.

  The identification code management unit 25 acquires the slave unit identification code from the slave unit storage unit 24 and transmits it from the slave unit data communication unit 22 to the master unit 10, and receives the slave unit data communication unit 22 from the master unit 10. A function of registering the master unit identification code as a new slave unit identification code in the slave unit storage unit 24 and a registration completion notification from the slave unit data communication unit 22 to the master unit 10 upon completion of registration of the slave unit identification code It has the function to do.

  The slave unit address management unit 26 acquires the slave unit radio address from the slave unit radio unit 21 and the function of setting the master unit radio address received from the master unit 10 in the slave unit data communication unit 22 in the slave unit radio unit 21. The slave unit data communication unit 22 has a function of transmitting to the master unit 10.

  The handset call control unit 27 exchanges call control data and voice data with the base unit 10 via the handset radio unit 21, thereby making a call with the other party telephone device using the voice processing unit 28. It has a function to realize.

The audio processing unit 28 decodes the audio data received by the slave unit radio unit 21 into an audio signal and outputs it from a speaker (not shown), and converts the audio signal input from the microphone (not shown) into audio data. And a function of encoding and transmitting from the slave unit radio unit 21.
Among these functional units provided in the slave unit 20, the identification code management unit 25, the slave unit address management unit 26, and the slave unit call control unit 27 are realized by the cooperation of the CPU and the program.

[Operation of this embodiment]
Next, an erroneous placement detection operation of the cordless telephone apparatus according to the present embodiment will be described with reference to FIG. FIG. 4 is a sequence diagram showing an erroneous placement detection operation of the cordless telephone device according to the present embodiment.
The base unit 10 and the handset 20 of the cordless telephone device 1 execute the erroneous placement detection operation of FIG. 4 when the handset 20 is placed on the charging base 10A of the base unit 10.

First, when the handset 20 is placed on the charging base 10A, the base unit 10 is such that the charging terminal 10T of the base unit 10 and the charging terminal 20T of the handset 20 are in electrical contact, and the power source of the base unit 10 is Supply of charging power from the unit 13 to the secondary battery 23 of the slave unit 20 is started (step 100).
In response to this, the identification code management unit 25 of the slave unit 20 acquires the slave unit identification code from the slave unit storage unit 24 (step 101), and transmits it from the slave unit data communication unit 22 to the master unit 10 (step 101). 102).

When the base unit data communication unit 12 receives the slave unit identification code received from the slave unit 20, the erroneous placement detection unit 15 of the base unit 10 acquires the master unit identification code from the base unit storage unit 14 (step 103). The received slave unit identification code is compared with the master unit identification code (step 104).
Here, when the slave unit identification code matches the master unit identification code, the slave unit 20 that has been paired in advance has been placed on the charging base 10A, so that the subsequent erroneous placement detection operation is not executed. The series of operations is finished.

On the other hand, if the slave unit identification code does not match the master unit identification code (step 104: NO), the erroneous placement detection unit 15 transmits the master unit identification code from the master unit data communication unit 12 to the slave unit 20 (step). 105).
When the slave unit data communication unit 22 receives the master unit identification code from the master unit 10, the identification code management unit 25 of the slave unit 20 uses the received master unit identification code as a new slave unit identification code. (Step 106), and in response to the completion of registration of the slave unit identification code, a registration completion notification is transmitted from the slave unit data communication unit 22 to the master unit 10 (step 107).

When the master unit data communication unit 12 receives a registration completion notification indicating the registration completion of the slave unit identification code from the slave unit 20, the master unit address management unit 16 of the master unit 10 uses the master unit radio unit 11 for wireless communication. The master unit radio address is acquired (step 110), and transmitted from the master unit data communication unit 12 to the slave unit 20 (step 111).
The slave unit address management unit 26 of the slave unit 20 sets the master unit radio address received from the master unit 10 by the slave unit data communication unit 22 in the slave unit radio unit 21 (step 112). The device wireless address is acquired (step 113) and transmitted from the child device data communication unit 22 to the parent device 10 (step 114).

The base unit address management unit 16 of the base unit 10 sets the base unit radio address received from the base unit 20 by the base unit data communication unit 12 in the base unit radio unit 11 (step 115).
As a result, when the slave unit 20 is erroneously placed on the master unit 10, the slave unit identification code of the slave unit 20 is updated with the master unit identification code of the master unit 10, and the wireless addresses of the slave units 20 are exchanged. Pairing between the machine 10 and the child machine 20 is established (step 116).

[Effects of the present embodiment]
Thus, in the present embodiment, the slave unit 20 transmits the slave unit identification code to the master unit 10 with a pulse signal superimposed on the charging power source supplied from the master unit 10. The slave unit identification code received from the slave unit 20 by this pulse signal is compared with the master unit identification code, and the erroneous placement of the slave unit 20 is detected according to the comparison result. An identification code is exchanged between the device 10 and the child device 20 by wire via the charging terminals 10T and 20T.
As a result, the identification code can be exchanged without being affected by the base unit or handset of other cordless telephone devices installed in the wireless communication environment or the surroundings. It can be detected accurately.

  Further, in the present embodiment, when the slave unit identification code does not match the master unit identification code, the erroneous placement detector 15 of the master unit 10 transmits the master unit identification code to the slave unit 20 and receives it from the master unit 10. The identification code management unit 25 of the slave unit 20 registers the master unit identification code as a new slave unit identification code in the slave unit storage unit 24. Pairing of the machine 10 and the slave 20 is performed.

  For this reason, it becomes possible for the user to use the misplaced child device 20 as the normal child device 20 of the parent device 10 without requiring a pairing operation for setting the identification code by the user. There is no need to return to the base unit 10 and place the slave unit 20 thereon. In addition, since the pairing operation is extremely easy, for example, even if the parent device 10 or the child device 20 is repaired and pairing is necessary again, a general user can easily perform pairing. This eliminates the need for a person in charge of construction to go to the site to perform pairing operations, greatly reducing maintenance costs and costs.

  Further, in the present embodiment, in response to the completion of registration of the slave unit identification code in the slave unit 20, the master unit address management unit 16 of the master unit 10 uses the master unit radio unit 11 for radio communication from the master unit radio unit 11 Is acquired and transmitted to the slave unit 20, and the master unit radio address received from the master unit 10 is set in the slave unit radio unit 21 by the slave unit address management unit 26 of the slave unit 20, and from the slave unit radio unit 21 The slave unit radio address is acquired and transmitted to the master unit 10, and the slave unit radio address received from the slave unit by the master unit data communication unit is set in the master unit radio unit by the master unit address management unit 16 of the master unit 10. As described above, the parent device wireless address and the child device wireless address necessary for wireless communication are exchanged between the parent device 10 and the child device 20. For this reason, there is no need to search each other's radio address in the base unit radio unit 11 and the sub unit radio unit 21, and it depends on the base unit and the sub unit of other cordless telephone devices installed around the radio communication environment. Therefore, it is possible to use the erroneously placed slave unit 20 as the regular slave unit 20 of the master unit 10 in a very short time.

[Extended embodiment]
The present invention has been described above with reference to the embodiments, but the present invention is not limited to the above embodiments. Various changes that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention.

  In the above embodiment, the case where the identification code and the wireless address are exchanged between the parent device 10 and the child device 20 by the pulse signal superimposed on the charging power source has been described as an example. Control data exchanged via the line 30 may be exchanged by a pulse signal. Thereby, when the subunit | mobile_unit 20 is mounted in the main | base station 10, when the subunit | mobile_unit radio | wireless part 21 of the subunit | mobile_unit 20 transfers to a power saving operation state and the subunit | mobile_unit 20 is picked up from the main | base station 10, The handset radio unit 21 of the handset 20 may cancel the power saving operation state and return to the normal operation state.

  DESCRIPTION OF SYMBOLS 1 ... Cordless telephone apparatus, 10 ... Main | base station, 10A ... Charging stand, 10L ... Wired line, 10T ... Charging terminal, 11 ... Main | base station radio | wireless part, 12 ... Main | base station data communication part, 12A ... Transmission / reception circuit, 12B ... For superimposition Transformer 13 ... Power supply unit 14 ... Base unit storage unit 15 ... Error placement detection unit 16 ... Base unit address management unit 17 ... Base unit call control unit 18 ... Line I / F unit 20 ... Slave unit , 20T ... charging terminal, 21 ... slave unit radio unit, 22 ... slave unit data communication unit, 22A ... transmission / reception circuit, 22B ... transformer for superposition, 23 ... secondary battery, 24 ... slave unit storage unit, 25 ... identification code management , 26 ... handset address management section, 27 ... handset call control section, 28 ... voice processing section, 30 ... wireless line.

Claims (2)

A cordless telephone device comprising a parent device connected to a wired line and a child device connected to the parent device via a wireless line,
The slave is
A slave unit wireless unit for performing wireless communication with the master unit via the wireless line;
By using a pulse signal superimposed on a charging power source supplied from the parent device, a child device data communication unit that performs data communication with the parent device,
A slave unit storage unit that stores a slave unit identification code for identifying pairing with the master unit;
An identification code management unit for transmitting a slave unit identification code of the slave unit storage unit from the slave unit data communication unit to the master unit;
The base unit is
A base unit radio unit for performing wireless communication with the slave unit via the radio line;
By using a pulse signal superimposed on the power supply for charging supplied to the slave unit placed on the master unit, a master unit data communication unit that performs data communication with the slave unit,
A master unit storage unit for storing a master unit identification code for identifying pairing with the slave unit;
The base unit data communication unit compares the base unit identification code received from the base unit with the base unit identification code of the base unit storage unit, and detects an erroneous placement of the base unit according to the comparison result. A placement detector , and
When the slave unit identification code does not match the master unit identification code, the erroneous placement detection unit transmits the master unit identification code from the master unit data communication unit to the slave unit,
The identification code management unit registers the master unit identification code received from the master unit in the slave unit data communication unit in the slave unit storage unit as a new slave unit identification code, and registers the slave unit identification code. In response to completion, a registration completion notification is transmitted from the slave data communication unit to the master,
When the master unit receives a registration completion notification indicating registration completion of the slave unit identification code from the slave unit in the master unit data communication unit, a master unit radio address used for the radio communication is transmitted from the master unit radio unit. A master unit address management unit for acquiring and transmitting from the master unit data communication unit to the slave unit;
The slave unit sets the master unit radio address received from the master unit in the slave unit data communication unit to the slave unit radio unit, and sets a slave unit radio address used for the radio communication from the slave unit radio unit Further comprising a slave unit address management unit for acquiring and transmitting from the slave unit data communication unit to the master unit,
The cordless telephone apparatus, wherein the master unit address management unit sets a slave unit radio address received from the slave unit by the master unit data communication unit in the master unit radio unit . An erroneous placement detection method used in a cordless telephone device including a parent device connected to a wired line and a child device connected to the parent device via a wireless line,
The slave is
A slave unit wireless unit for performing wireless communication with the master unit via the wireless line;
By using a pulse signal superimposed on the power supply for charging supplied from the master unit, a slave unit data communication unit that performs data communication with the master unit,
A slave unit storage step in which the slave unit storage unit of the slave unit stores a slave unit identification code for identifying pairing with the master unit;
The identification code management unit of the slave unit includes an identification code management step of transmitting the slave unit identification code of the slave unit storage unit from the slave unit data communication unit to the master unit,
The base unit is
A base unit radio unit for performing wireless communication with the slave unit via the radio line;
A parent device data communication unit that performs data communication with the child device by using a pulse signal superimposed on the charging power supply to be supplied to the child device placed on the parent device. With
A parent device storage step in which the parent device storage unit of the parent device stores a parent device identification code for identifying pairing with the child device;
The base unit detection unit of the base unit compares the base unit identification code received from the base unit by the pulse signal with the base unit identification code of the base unit storage unit, and the base unit is determined according to the comparison result. And an erroneous placement detection step for detecting erroneous placement of
In the erroneous placement detection step, when the slave unit identification code does not match the master unit identification code, the master unit identification code is transmitted from the master unit data communication unit to the slave unit,
The identification code management step registers the master unit identification code received from the master unit in the slave unit data communication unit into the slave unit storage unit as a new slave unit identification code, and registers the slave unit identification code. In response to completion, a registration completion notification is transmitted from the slave data communication unit to the master,
When the master unit receives a registration completion notification indicating registration completion of the slave unit identification code from the slave unit in the master unit data communication unit, a master unit radio address used for the radio communication is transmitted from the master unit radio unit. A master unit address management step of acquiring and transmitting to the slave unit from the master unit data communication unit;
The slave unit sets the master unit radio address received from the master unit in the slave unit data communication unit to the slave unit radio unit, and sets a slave unit radio address used for the radio communication from the slave unit radio unit Further comprising a slave unit address management step of acquiring and transmitting the slave unit data communication unit to the master unit;
In the base unit address management step, a base unit radio address received from the base unit by the base unit data communication unit is set in the base unit radio unit .

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