JP4240389B2 - Button telephone equipment - Google Patents

Description

  The present invention relates to a telephone device including a parent device and a wireless child device that can be placed on the parent device, and in particular, it is possible to prevent erroneous operation when a child device of another parent device is placed on the parent device. The present invention relates to a key telephone device.

  A cordless button comprising a main unit and a wireless slave unit (hereinafter also referred to as a slave unit) in a key telephone device comprising a main unit connected to an external line and a plurality of key telephones accommodated in the main unit. There is a telephone (see Patent Document 1). This cordless button telephone is configured to be placed on a parent device when the child device is not in use.

In such a telephone device composed of a master unit and a wireless slave unit, only a person who has performed an operation for capturing an outside line of the master unit and the slave unit is related to a station line such as dial transmission, line hold operation, etc. It is configured so that key operations can be performed effectively. However, in this case, for example, if a user with a slave unit is near the master unit and the master unit can be operated by key, and the external line is captured using the slave unit, The operability was poor because it was necessary to operate the keys of the handset that was inferior to usability. Therefore, in order to solve the operability problem described above, even if the external line is captured by the slave unit, if the distance between the master unit and the slave unit is within a predetermined distance, dial transmission by the master unit is performed. A cordless telephone that has been made possible has been proposed (see Patent Document 2).
JP-A-5-292005 JP-A-5-327833

However, in the cordless telephone described above, in order to determine whether the key operation of the master unit is valid or invalid based on the distance between the master unit and the slave unit, in the environment where a plurality of master units are installed, When a call is made with the correct handset that makes a mistake, if another handset is mistakenly placed, if a person who misunderstood that the correct handset is on the device is operated, There is a problem that the system is put on hold or the speaker of the master unit is in a receiving state.

  The present invention has been made to solve such a problem, and has a parent device and a wireless child device that are paired with each other, and in the telephone device in which the parent device can place the wireless child device, It is an object of the present invention to prevent a situation in which a call of a child device paired with itself is interrupted by operation of the parent device when a child device other than the child device paired with itself is placed on the parent device.

According to a first aspect of the present invention, there is provided a key telephone device comprising a main device and a plurality of button telephones accommodated in the extension thereof, wherein the key telephone is composed of a parent device and a wireless child device, and the parent device is The wireless slave unit can be placed, and communication is possible only between a master unit and a slave unit set to make a pair, and the master unit detects the presence / absence of placement of the wireless slave unit Based on the placement detection means, and a means for notifying the main device that power supply has been started to the wireless slave when a wireless slave is placed, based on the output of the means, and a pair of wireless slaves Means for receiving and transmitting the on-hook notification and the off-hook notification from the main device, the wireless slave unit detecting whether or not it is mounted on the master unit, and an output of the unit Based on this, when it is detected that it has been taken up from the parent machine, And a means for transmitting an on-hook notification to the paired parent device when it is detected that the device has been placed on the parent device. Based on whether or not the transmission source master unit matches the transmission source master unit of the on-hook notification received within a predetermined time from reception of the power supply start notification. And when detecting that the wireless slave device mounted on the wireless slave device that is paired with the parent device that is the transmission source of the power supply start notification is not a paired wireless slave device a key telephone system which is characterized in that a control means for disabling the operation of the transmission source of the master unit of the power supply start notification.
According to a second aspect of the present invention, in the button telephone device according to the first aspect, the control means disables the operation of the base unit that is the transmission source of the power supply start notification, and the transmission source of the on-hook notification is when receiving the off-hook notification from the master unit, a key telephone system characterized in that it enable the operation of the transmission source of the master unit of the power supply start notification.

  According to the present invention, when the slave unit mounted on the master unit is not a slave unit that is paired with itself, a situation in which a call of the slave unit that is paired with itself is obstructed by the operation of the master unit is avoided. can do.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a block diagram showing an embodiment in which the present invention is applied to a button telephone apparatus.

  This key telephone apparatus includes a main apparatus 1 connected to one or more telephone lines (office lines) 4 and N (N ≧ 2) button telephones connected to the main apparatus 1 via an extension transmission line 2. 3-1 to 3-N. Each of the key telephones 3-1 to 3-N includes a parent device 30-1 to 30-N and a wireless child device 50-1 to 50-N. The master unit 30-1 and the wireless slave unit 50-1 of the key telephone 3-1 are paired, and are set in advance so as to enable mutual communication between the master unit and the slave unit. Similarly, the parent phone and the child device of the key telephone 3-2... 3-N are also paired and set in advance so that mutual communication between the parent device and the child device is possible. . The communication between the parent device and the child device is possible only between the parent device and the child device that form a preset pair, and cannot communicate with another parent device or the child device. That is, for example, the master unit 30-1 of the key telephone 3-1 can communicate only with the slave unit 50-1, and cannot communicate with other slave units. Further, the slave unit 50-1 can communicate only with the master unit 30-1, and cannot communicate with other master units. The same applies to the other key telephones 3-2 to 3-N. Such exclusive communication between the parent device and the child device is performed, for example, when the parent device and the child device register the parent device-child device relationship, for identifying the parent device and the child device that make a pair. This is realized by writing an ID in each memory and authenticating the ID during communication.

  The main device 1 manages the state of the telephone line 4 and the key telephones 3-1 to 3-N, and controls the main device 1 as a whole, and the external line interface unit 12 controls the termination of the telephone line 4. An extension interface unit 13 for accommodating the key telephones 3-1 to 3-N via the extension line 2, an exchange processing unit 14 for exchanging and connecting the external line interface unit 12 and the extension interface unit 13, and a control unit 11 And a storage unit 15 that stores various control information, external line information, and internal line information necessary for the control in association with each other.

  2 and 3 are block diagrams showing configurations of the parent device and the child device in FIG. 1, respectively. In FIG. 1, each parent device 30-1 to 30-N has the same configuration, and each child device 50-1 to 50-N also has the same configuration. 30 and handset 50.

  As shown in FIG. 2, the base unit 30 includes a base unit control unit 31 that controls the entire base unit 30, an extension interface unit 32, a wireless interface unit 33, each of which is connected to the base unit control unit 31. An audio processing unit 34, a display unit 35, an operation unit 36, a storage unit 37, a power feeding unit 38, and a placement detection unit 39 are provided. An amplifier unit 40 is connected to the output side of the audio processing unit 34, and a speaker 41 is connected to the output side. A terminal 42 for supplying power to the slave unit 50 is provided on the output side of the power feeding unit 38.

  The extension interface unit 32 communicates with the main apparatus 1 via the extension transmission path 2, and the wireless interface unit 33 communicates with the slave unit 50 via the radio line. The voice processing unit 34 performs processing for generating a ringing tone and various notification sounds, realizing a so-called speakerphone function for making a call without using the slave unit 50 in the master unit 30, and the like. The display unit 35 has an LCD or the like, and displays various types of information sent from the parent device control unit 31. The operation unit 36 includes various keys such as a dial key, an outside line key, and a hook switch, and sends information input by the operator using these keys to the parent device control unit 31. The storage unit 37 is a ROM in which programs and the like used when the base unit control unit 31 executes various processes are stored in advance, and various data and the like are temporarily stored when the base unit control unit 31 executes various processes. It consists of a RAM for storing, an EEPROM for storing the ID of the master unit, and the like. The power feeding unit 38 supplies power to the slave unit 50 via the terminal 42 when the slave unit 50 is placed on the master unit 30. The placement detection unit 39 detects whether or not the child device 50 is placed, and sends a detection signal to the parent device control unit 31.

  As shown in FIG. 3, the wireless slave unit 50 includes a wireless slave unit control unit 51 that controls the entire slave unit 50, a wireless interface unit 52 that is connected to the wireless slave unit control unit 51, and voice processing. A unit 53, a state detection unit 56, a storage unit 57, a display unit 58, and an operation unit 59. In addition, a battery 54 that supplies power to each unit and a charging unit 55 that charges the battery 54 with power supplied from the parent device 30 via the terminal 60 are provided. The state detection unit 56 may use, for example, a mechanical hook switch, a photoelectric switch, or the like, or may be configured to detect based on a voltage applied from the terminal 42 to the terminal 60 of the parent device.

  The wireless interface unit 52 communicates with the parent device 30 via a wireless line. The voice processing unit 53 has a voice call function using a speaker and a microphone (not shown) and functions for generating various notification sounds. The state detection unit 56 detects an on-hook / off-hook state based on whether or not the wireless slave device 50 is placed on the master device 30. The storage unit 57, the display unit 58, and the operation unit 59 are configured in the same manner as the storage unit 37, the display unit 35, and the operation unit 36 of the parent machine 30, respectively.

  Next, in the telephone device having the above-described configuration, FIG. 4 to FIG. 6 will be described with respect to the operation when a slave unit other than the slave unit paired with the master unit is placed on the master unit while the slave unit is being used. The description will be given with reference.

[Example 1]
In this embodiment, as shown in FIG. 4, when one person is making a call using the slave unit 50-1 that is paired with the master unit 30-1, another person mistakenly contacts the master unit 30-2. This relates to the operation when the slave unit 50-2 making a pair is placed on the master unit 30-1. This operation will be described with reference to the sequence diagram of FIG.

  At first, the slave unit 50-1 is placed on the master unit 30-1. In this state, the placement detection unit 39 of the base unit 30-1 detects that the slave unit is placed, and the detection signal is sent to the base unit control unit 31, and the base unit control unit 31 In response to the detection signal, control is performed so that power is supplied from the power feeding unit 38 to the charging unit 55 through the terminal 42 and the terminal 60 of the slave unit 50-1.

  When the user of the slave unit 50-1 picks up the slave unit 50-1 from the placement unit of the master unit 30-1 (operation S1), there is no detection signal in the placement detection unit 39 of the master unit 30-1. The parent device control unit 31 stops the power supply to the child device 50-1 by the power supply unit 38. When the wireless slave device control unit 51 of the slave device 50-1 detects that it has been picked up from any parent device based on the output from the state detection unit 56, the wireless interface unit 52 transmits the master device 30 via the wireless line. -1 is communicated with the wireless interface unit 33, detection of being picked up is determined to be off-hook, and an off-hook notification is transmitted to the parent device 30-1. In the base unit 30-1, when the off-hook notification is received from the handset 50-1, the base unit control unit 31 transmits the off-hook notification from the extension interface unit 32 to the extension interface unit 13 of the main unit 1 via the extension transmission path 2. To do.

  Next, when the user of the slave unit 50-1 performs a dial operation (operation S2) using the operation unit 59, a dial signal is sent to the master unit 30-1 via a wireless line, and further, the master unit 30-1 Is sent to the main apparatus 1 via the extension interface 32 and the extension transmission path 2, and dialed from the main apparatus 1 to the telephone line 4. When there is a response from the other party, a response notification is sent to the slave unit 50-1 via the main unit 1 and the master unit 30-1, and a call can be made between the slave unit 50-1 and the destination. become.

  Next, when the user of the slave unit 50-1 is away from the master unit 30-1 while continuing the call, a call is made using the slave unit 50-2 paired with another master unit 30-2. Suppose that the person who has performed the call ends the call and places the handset 50-2 by mistake on the base unit 30-1 instead of the base unit 30-2 (operation S3).

  In parent device 30-1, when child device 50-2 is placed, placement detector 39 generates a detection signal and notifies parent device controller 31. The base unit control unit 31 detects that an arbitrary wireless slave unit has been placed by the detection signal of the placement detection unit 39, starts power feeding to the wireless slave unit by the power feeding unit 38, and On the other hand, a power supply start notification is transmitted via the extension interface unit 32 and the extension 2. In the main apparatus 1, when the power supply start notification is received, the control unit 11 starts a timer not shown.

  When the wireless slave unit control unit 51 of the slave unit 50-2 detects that it is placed on any parent unit based on the output signal from the state detection unit 56, it is charged by the power supplied from the parent unit. The control of the charging unit 55 so that the unit 55 starts charging the battery 54, and the wireless of the base unit 30-2 that is paired with the wireless slave unit 50-2 from the wireless interface unit 52 via the wireless line Communication with the interface unit 33 is performed, and detection of being placed is regarded as on-hook, and is notified to the parent device 30-2. When receiving the notification, the base unit control unit 31 of the base unit 30-2 transmits the on-hook notification to the main apparatus 1 via the extension interface unit 32 and the extension 2.

  In the main apparatus 1, any wireless slave unit mounted on the master unit 30-1 is based on the on-hook notification received within a predetermined time after the timer is started by receiving the power feeding start notification from the master unit 30-1. Is identified. Here, since the on-hook notification has been received from the master unit 30-2, the control unit 11 identifies that the slave unit placed on the master unit 30-1 is the wireless slave unit 50-2, and erroneously detects it. The fact that the placement is detected is stored in the storage unit 15.

  Next, a user who does not know that the handset 50-2 that is not paired with the base unit 30-1 is placed on the base unit 30-1 while the handset 50-2 is still on the base unit 30-1. It is assumed that the hold key of the operation unit 36 is operated (operation S4). The base unit control unit 31 of the base unit 30-1 notifies the main device 1 of the hold key operation via the extension interface unit 32 and the extension 2. Since the main device 1 detects that the slave unit 50-2 is erroneously placed in the master unit 30-1, even if it receives a hold key operation notification from the master unit 30-1, It is invalidated, and the hold operation by the exchange processing unit 14 is not performed. At this time, a message for notifying the user that the slave unit is erroneously placed may be output as a voice from the speaker 41 of the master unit 30-1, and may be displayed as an image on the display unit 35.

Next, it is assumed that the user picks up the child device 50-2 from the parent device 30-1 (operation S5). In the parent device 30-1, when the child device 50-2 is picked up, the detection signal of the placement detection unit 39 disappears, so the parent device control unit 31 stops the power supply to the wireless slave device by the power supply unit 38. On the other hand, the handset 50-second radio personal station controller 51, based on the output from the state detection unit 56 detects that it has been taken from any of the master unit, the master unit via a radio channel from the radio interface unit 53 It communicates with the wireless interface unit 33 of 30-2, determines that the picked-up is off-hook, and transmits an off-hook notification to the parent device 30-2. When receiving the off-hook notification, base unit 30-2 transmits it to main apparatus 1 via extension interface unit 32 and extension 2. When main device 1 receives an off-hook notification from parent device 30-2, main device 1 determines that child device 50-2 has been picked up, and deletes erroneous placement detection information stored in storage unit 15. Thereafter, the key operation relating to the station line sent from the base unit 30-1 is made valid.

  Next, the user who has been making a call using the slave unit 50-1 ends the call, and after pressing the disconnect key of the operation unit 59, the slave unit 50-1 is placed on the master unit 30-1. This disconnection key operation is detected by the wireless slave unit control unit 51, and a call end notification is notified from the wireless interface unit 52 to the base unit 30 by wireless connection, and the base unit 30 passes through the extension interface unit 32 and the extension 2. The main device 1 is notified. When receiving the call end notification from the extension interface unit 13, the control unit 11 of the main apparatus 1 controls the outside line interface unit 12 and the exchange processing unit 14 to disconnect the line. Further, in base unit 30-1, when slave unit 50-1 is placed, placement detector 39 generates a detection signal and notifies base unit controller 31. The base unit control unit 31 detects that an arbitrary wireless slave unit has been placed by the detection signal of the placement detection unit 39, starts power feeding to the wireless slave unit by the power feeding unit 38, and In contrast, a power supply start notification is transmitted via the extension interface unit 32 and the extension 2. The main device 1 makes a pair of the slave unit placed on the master unit 30-1 and the master unit 30-1 in the same procedure as when the slave unit 50-2 was placed on the master unit 30-1. It detects that it is the eggplant child machine 50-1.

[Example 2]
In this embodiment, when one person is making a call using the slave unit 50-1 that is paired with the master unit 30-1, another person accidentally makes a pair with the master unit 30-2. This is related to the operation when the slave unit 50-2 is picked up from the master unit 30-1 after a while after 2 is placed on the master unit 30-1. This operation will be described with reference to the sequence diagram of FIG.

  The uppermost state in FIG. 6 shows that when a person makes a call using the slave unit 50-1 that is paired with the master unit 30-1, another person mistakenly pairs with the master unit 30-2. The slave unit 50-2 is placed on the master unit 30-1, and erroneous placement is detected by the main device 1.

From this state, a user who does not know that the slave unit 50-2 that is not paired with the master unit 30-1 is placed on the master unit 30-1 In this state, the dial key of the operation unit 36 is operated (operation S11), and the handset 50-2 is immediately picked up (operation S12). At this time, if the slave unit 50-1 is placed on the master unit 30-1, off-hook is detected by picking up the slave unit 50-2, and a telephone call is made by the external line interface unit 12 of the main unit 1. Dial transmission is performed to the line 4. However, since the main device 1 detects that the child device 50-2 is erroneously placed on the parent device 30-1, the main device 1 dials from the parent device 30-1 as in the case of the operation S3 in FIG. Even if a key operation notification is received, it is invalidated and dialing to the telephone line 4 is not performed.

As a result of the operation S12 being performed, the detection signal from the placement detection unit 39 disappears, so the parent device control unit 31 stops the power supply to the wireless slave device by the power supply unit 38. On the other hand, the handset 50-second radio personal station controller 51, based on the output from the state detection unit 56 detects that it has been taken from any of the master unit, the master unit via a radio channel from the radio interface unit 53 It communicates with the wireless interface unit 33 of 30-2, determines that the picked-up is off-hook, and transmits an off-hook notification to the parent device 30-2. When receiving the off-hook notification, base unit 30-2 transmits it to main apparatus 1 via extension interface unit 32 and extension 2.

  The control unit 11 of the main device 1 starts a timer when an off-hook notification is received from the parent device 30-2, and cancels the state in which the key operation of the parent device 30-1 is invalidated when the time is up after a predetermined time. Therefore, the period for invalidating the operation of base unit 30-1 ends. Therefore, even if the user who picks up the child device 50-2 performs an outside line capturing operation (operation S13) from the operation unit 36 of the parent device 30-1 before the time is up, it becomes invalid. Since the user who picks up the child device 50-2 cannot perform the outside line capturing operation, the user recognizes that the child device he / she has is not a child device paired with the parent device 30-1.

  When the timer expires, the master unit 30-1 returns to the normal state in which the slave unit 50-1 is picked up and used, so that the user of the slave unit 50-1 can return to the installation location of the master unit 30-1. Returning, when an external line hold operation (operation S14) is performed on the master unit 30-1, the external line interface unit 12 of the main apparatus 1 performs a hold operation on the telephone line 4 during a call on the slave unit 50-1.

  As described above, according to the embodiment of the present invention, when a call is made using the slave unit 50-1 that is paired with the master unit 30-1, another person mistakenly pairs with the master unit 30-2. When the eggplant cordless handset 50-2 is placed on the base phone 30-1, since the local line operation by the operation of the master phone 30-1 is invalidated, the call of the cordless handset 50-1 is obstructed Things will disappear.

For example, the present invention can be modified as shown in the following (1) to (4).
(1) Instead of the setting of the timer in FIG. 6 performed by the control unit 11 of the main apparatus 1, the setting is performed by the parent device control unit 31 of the parent device 30-1.
(2) Instead of the procedure of sending off-hook notification and on-hook notification from the slave unit to the master unit and further sending from the master unit to the master unit, only the procedure of sending off-hook notification and on-hook notification from the master unit to the master unit is used. These two procedures are used.

(3) The following procedure is used to determine whether or not the child device placed on the parent device is a child device that is paired with the parent device.
As a premise of this procedure, the ID of the child device 50 that is paired with the child device 50 is registered in advance in the storage unit 37 of the parent device 30, and the child device ID is stored in the storage unit 57 of the child device 50. And
First, when the base unit control unit 31 of the base unit 30 detects that an arbitrary slave unit is mounted from the detection signal of the mounting detection unit 39, the base unit control unit 31 controls the wireless interface unit 33, via a wireless line. Requesting the slave unit 50 to transmit the slave unit ID stored in the storage unit 57. The slave unit 50 transmits the slave unit ID stored in the storage unit 57 to the master unit 30 from the wireless interface unit 52 via the wireless line in accordance with the request of the master unit 30. The parent device 30 compares the received child device ID with a child device ID registered in advance as a child device that is paired with itself, and if they match, the child device that is paired with itself is placed. If they do not match, it is determined that a slave unit other than the slave unit paired with itself is placed.

In this procedure, the radio waves transmitted and received between the master unit and the slave unit are set to a small level that cannot be received by other master units and slave units arranged in the vicinity, or paired master units. It is necessary to set a unique encryption or the like in advance between the mobile device and the slave unit and transmit and receive a signal encoded using the encryption or the like.
(4) Applicable to general household cordless telephones.

It is a block diagram which shows embodiment of this invention. It is a block diagram which shows the structure of the main | base station in FIG. It is a block diagram which shows the structure of the subunit | mobile_unit in FIG. It is a figure which shows a mode that subunit | mobile_units other than the subunit | mobile_unit which makes a pair with a parent | base_device are erroneously mounted in the parent | base station. FIG. 11 is a sequence diagram illustrating an example of an operation when a child device other than the child device paired with the parent device is erroneously placed and the parent device is operated. FIG. 10 is a sequence diagram showing another example of the operation when a child device other than the child device paired with the parent device is erroneously placed and the parent device is operated.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Main apparatus, 2 ... Extension, 3-1 to 3-N ... Key telephone, 30 ... Master unit, 50 ... Wireless cordless handset.

Claims (2)

In a key telephone device comprising a main device and a plurality of button telephones accommodated in the extension,
The key telephone is composed of a parent device and a wireless child device, and the parent device can place the wireless child device and can communicate only between the parent device and the child device set to make a pair. ,
The base unit starts power supply to the wireless slave unit when the wireless slave unit is placed on the basis of the slave unit placement detection means for detecting presence / absence of placement of the wireless slave unit and the output of the means. Means for notifying the main device of the fact, and means for receiving an on-hook notification and an off-hook notification from a pair of wireless slave units and transmitting to the main device,
When the wireless slave unit detects whether the wireless slave unit is placed on the master unit, and based on the output of the unit, the wireless slave unit is off-hooked to the paired master unit. And a means for transmitting an on-hook notification to a paired parent device when it is detected that the device has been placed on the parent device.
The main device is based on whether or not the parent device that is the source of the received power supply start notification matches the parent device that is the source of the on-hook notification received within a predetermined time from the reception of the power supply start notification. The wireless slave device mounted on the parent device that is the transmission source of the power supply start notification is paired with means for detecting whether or not the wireless child device is paired with the parent device that is the transmission source of the power supply start notification. A key telephone apparatus comprising: a control unit that invalidates an operation of a parent device that is a transmission source of the power supply start notification when it is detected that it is not a wireless slave device. When the control means receives an off-hook notification from the parent device that is the transmission source of the on-hook notification in a state where the operation of the parent device that is the transmission source of the power supply start notification is invalidated, the transmission source of the power supply start notification key telephone system according to claim 1, characterized in that enable the operation of the parent machine.

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