JP6322152B2 - Intercom system - Google Patents

Description

  The present invention relates to an intercom system.

  2. Description of the Related Art Conventionally, there is an intercom system that includes a slave unit installed at a front door, a master unit installed in a living room, and a portable terminal owned by a resident. For example, Patent Document 1 discloses an intercom system in which a resident who is out can respond to a call from a slave by a visitor using a mobile terminal.

JP 2000-307740 A

  In the intercom system described in Patent Document 1, a resident carrying a mobile terminal can conveniently answer a visitor's call even when he is out. However, if the resident is a family of three people, for example, father, mother, and child, and a visitor calls while the child is answering alone, then the resident (guardian) who is out is out A child sometimes answered a call at the main entrance. At this time, if the visitor is a suspicious person, it may lead to trouble. Thus, the intercom system described in Patent Document 1 has room for improving the security of the call answering function.

  An object of this invention is to provide the intercom system which can improve the security of a call answering function.

The intercom system according to the present invention is
An entrance cordless handset for performing call operations;
A room master unit configured to be communicable with the entrance slave unit;
A server capable of communicating with the room master via a communication network;
A portable terminal that can communicate with the server and the parent unit via the communication network, can receive the call from the entrance unit, and transmits location information of the terminal to the server;
With
The server
A recording unit in which the location information of the room in which the room master is installed;
A generation unit that generates presence / absence information indicating whether or not the mobile terminal is in the room based on the position information of the room and the position information of the mobile terminal;
The room master is
An operation unit for receiving a response operation for responding to the call from the entrance cordless handset;
A receiving unit for receiving the presence / absence information via the communication network;
A control unit that locks the reception operation with respect to the operation unit when the presence / absence information indicates absence when calling from the entrance unit.

  According to the above configuration, when a call is made from a visitor while a resident is carrying the mobile terminal and going out, the operation unit of the room master is locked based on the presence / absence information. For this reason, a child or the like who has an answering machine in a room cannot respond to a call using the room master, and the occurrence of a trouble caused by the child answering can be suppressed. Thus, according to the above configuration, the security of the call answering function can be improved.

  Moreover, in the intercom system of the present invention, the room master unit may have a room call function capable of making a call with the portable terminal.

  In an intercom system with a room call function that allows you to make a call between the room base unit and the mobile terminal, for example, a child in the answering machine can use the room base unit to talk to a guardian who is out. It is. On the other hand, it is considered that there is an increased possibility that a child becomes familiar with the operation of the home base unit and that the home base unit responds to the call without permission when the resident who is a guardian is absent. However, according to the above configuration, when the resident is carrying out the portable terminal and there is a call from a visitor, the operation unit of the room master is locked based on the presence / absence information. The occurrence of troubles caused by the child's response can be suppressed. Thus, according to the above configuration, it is possible to improve the security of the call answering function while maintaining the convenience of the in-room call function.

  Moreover, the intercom system of this invention WHEREIN: The said room main unit may have a lock setting part which locks the said reception operation with respect to the said operation part at the time of the call from the said entrance child machine.

  According to the said structure, the resident can lock the reception operation by a living room main | base station manually before going out.

In the intercom system of the present invention, the operation unit includes a voice operation unit that can be operated by voice and a touch operation unit that can be operated by touch operation,
The control unit may lock the reception operation for the voice operation unit and the touch operation unit when the presence / absence information indicates absence when calling from the entrance cordless handset.

  According to the above configuration, a child who is answering in the room cannot respond to the call by using voice operation or touch operation to the room master unit, and trouble caused by the child answering occurs. Can be suppressed.

In the intercom system of the present invention,
The room master is
A first lock setting unit that locks the reception operation for the voice operation unit at the time of calling from the entrance unit;
You may decide to have the 2nd lock setting part which locks the said reception operation with respect to the said touch operation part at the time of the call from the said entrance cordless handset.

  According to the above configuration, it is possible to set the lock of the response operation by the voice operation unit and the lock of the response operation by the touch operation separately. Thereby, the freedom degree of a lock setting increases and the convenience improves.

In the intercom system of the present invention,
The portable terminal is
A third lock setting unit for locking the reception operation for the voice operation unit at the time of calling from the entrance unit;
You may decide to have the 4th lock setting part which locks the said response operation with respect to the said touch operation part at the time of the call from the said entrance cordless handset.

  According to the said structure, the resident who is going out can change a lock setting from whereabouts.

  In the intercom system of the present invention, the lock of the reception operation on the touch operation unit may be released by inputting a password to the touch operation unit.

  According to the above configuration, when a resident who knows the password comes home, the lock can be released by inputting the password, and the call can be answered using the parent room.

  In the intercom system of the present invention, the control unit may release the lock of the reception operation on the operation unit when the call from the entrance cordless handset is completed.

  According to the above configuration, after the call is finished, the room call function can be used again. For example, a child on an answering machine can talk to a guardian who is out using the parent machine. As described above, according to the above configuration, it is possible to improve security while maintaining the convenience of the in-room call function and the call answering function.

  ADVANTAGE OF THE INVENTION According to this invention, the intercom system which can improve the security of a call answering function can be provided.

It is a schematic block diagram of the intercom system which shows embodiment of this invention. It is a schematic block diagram of an intercom system showing an embodiment of the present invention. It is a schematic block diagram of the living room main | base station which comprises an intercom system. It is a schematic block diagram of the portable terminal which comprises an intercom system. It is a schematic block diagram which shows the other example of the room main | base station which comprises an intercom system. It is a schematic block diagram which shows the other example of the room main | base station which comprises an intercom system. It is a schematic block diagram which shows the other example of the portable terminal which comprises an intercom system.

  Hereinafter, an example of an embodiment of an intercom system according to the present invention will be described with reference to the drawings.

  As shown in FIGS. 1 and 2, the interphone system 10 according to the present embodiment includes an entrance cordless handset 20, a living room base phone 30, a server 40, and a mobile terminal 50. The front cordless handset 20 and the living room base unit 30 of the intercom system 10 are installed in a housing complex such as a condominium or a single-family house.

  The entrance cordless handset 20 is for a visitor to perform a predetermined calling operation when calling a resident who is at home in the living room K of the dwelling unit J, and is provided on an outer wall surface or the like at the entrance of the dwelling unit J. Yes. The entrance child device 20 includes an entrance child device microphone 21, an entrance child device speaker 22, an entrance child device operation unit 23, an entrance child device camera 24, an entrance child device CPU 25, an entrance child device application 26, and an entrance child device communication interface 27. ing.

  The entrance cordless handset microphone 21 and the entrance cordless handset speaker 22 are for inputting and outputting voice when a visitor makes a call with a resident. The entrance child machine operation unit 23 is a part operated by a visitor when the visitor performs a call operation for calling a resident. The entrance child camera 24 is for photographing a visitor who performs a call operation.

  The entrance child device microphone 21, the entrance child device speaker 22, the entrance child device operation unit 23, and the entrance child device camera 24 are connected to the entrance child device CPU 25. An audio signal from the entrance cordless handset microphone 21 and a video signal from the entrance cordless handset camera 24 are transmitted to the entrance cordless handset CPU 25, and the entrance cordless handset operating unit 23 is operated by the entrance cordless handset operating unit 23. The input signal is transmitted from. Further, the entrance cordless handset CPU 25 outputs an audio signal to the entrance cordless handset speaker 22. An entrance slave device application 26 is connected to the entrance slave device CPU 25, and the entrance slave device CPU 25 controls the entrance slave device 20 based on an application stored in the entrance slave device application 26. An entrance slave device communication interface 27 is connected to the entrance slave device CPU 25, whereby the entrance slave device 20 communicates with the entrance master device 30 via the entrance slave device communication interface 27. Send and receive signals.

  The room master unit 30 is for responding to a call from a visitor from the entrance handset 20, and is provided on a wall surface or the like in the room K of the dwelling unit J. The room master unit 30 includes a room base unit microphone 31, a room base unit speaker 32, a room base unit operation unit 33, a room base unit display unit 34, a room base unit CPU 35, a room base unit application 36, and a room base unit communication interface 37. I have.

  The room master unit 30 includes a voice operation unit 33a and a touch operation unit 33b. The voice operation unit 33a can be operated by voice. When the resident speaks into the microphone 31 of the room base unit 30, the room base unit 30 is operated by the voice. The touch operation unit 33b includes a part of the room master unit display unit 34 formed of a touch panel, and the room master unit 30 is operated by touching the touch operation unit 33b (see FIG. 3).

  The in-room master device microphone 31 and the in-room master device speaker 32 are used to input and output audio when a resident makes a call with a visitor. The room master unit operation unit 33 is a part operated by a resident. This room master unit operation unit 33 accepts a response operation for responding to a call from the entrance slave unit 20. For example, by operating the living room master unit operation unit 33, a call with a visitor can be made or a release operation to open the entrance door is performed in order to respond to a call from the entrance cordless handset 20. . The room master unit display unit 34 is for displaying an image of a visitor photographed by the entrance slave unit camera 24 of the entrance slave unit 20.

  The room base unit microphone 31, the room base unit speaker 32, the room base unit operation unit 33, and the room base unit display unit 34 are connected to the room base unit CPU 35. A voice signal from the room master unit microphone 31 is transmitted to the room base unit CPU 35, and an input signal is input to the room base unit CPU 35 from the room base unit operation unit 33 by being operated by the room base unit operation unit 33. Is sent. The room master CPU 35 outputs an audio signal to the room master speaker 32 and outputs a video signal to the room master display unit 34. A room master unit application 36 is connected to the room master unit CPU 35, and the room master unit CPU 35 controls the room master unit 30 based on the application stored in the room master unit application 36. The living room parent device CPU 35 is connected to the living room parent device communication interface 37, so that the living room parent device 30 communicates with the entrance child device 20 via the living room parent device communication interface 37. Send and receive signals. In addition, the living room base unit communication interface 37 is also connected to a communication network In such as the Internet, and communication via the communication network In is possible.

  The server 40 is provided in a building different from the dwelling unit J, and is connected to the communication network In. The server 40 includes a server CPU 45, a server application 46, a server communication interface 47, and a server recording unit 48.

  A server application 46 is connected to the server CPU 45, and the server CPU 45 performs various controls based on an application stored in the server application 46. A server communication interface 47 is connected to the server CPU 45. The server communication interface 47 is connected to the communication network In, and the server 40 can communicate via the communication network In. The server recording unit 48 is connected to the server CPU 45. Various types of information can be stored in the server recording unit 48, and information is written and read by the server CPU 45. The server CPU 45 has a generation unit 45a. The generation unit 45 a generates presence / absence information about the mobile terminal 50 based on the room range G, which is the position information of the room K of the dwelling unit J, and the terminal position information of the mobile terminal 50.

  The mobile terminal 50 is a terminal such as a mobile phone that is carried by a resident of the dwelling unit J when going out. The portable terminal 50 includes a portable terminal microphone 51, a portable terminal speaker 52, a portable terminal operation unit 53, a portable terminal display unit 54, a portable terminal CPU 55, a portable terminal application 56, and a portable terminal communication interface 57.

  The portable terminal microphone 51 and the portable terminal speaker 52 are for inputting / outputting voice when the owner of the portable terminal 50 makes a call with another portable terminal 50 or a fixed telephone. The mobile terminal operation unit 53 is a part that is variously operated by the owner of the mobile terminal 50.

  The portable terminal display unit 54 is for displaying a visitor's image and various types of information taken by the entrance child device camera 24 of the entrance child device 20. The portable terminal display unit 54 is composed of a touch panel, and a part of the portable terminal display unit 54 also constitutes a portable terminal operation unit 53 (see FIG. 4).

  The mobile terminal microphone 51, the mobile terminal speaker 52, the mobile terminal operation unit 53, and the mobile terminal display unit 54 are connected to the mobile terminal CPU 55. An audio signal from the mobile terminal microphone 51 is transmitted to the mobile terminal CPU 55, and an input signal is transmitted to the mobile terminal CPU 55 from the mobile terminal operation unit 53 when operated by the mobile terminal operation unit 53. The mobile terminal CPU 55 outputs an audio signal to the mobile terminal speaker 52 and outputs a video signal to the mobile terminal display unit 54. A portable terminal application 56 is connected to the portable terminal CPU 55, and the portable terminal CPU 55 controls the portable terminal 50 based on an application stored in the portable terminal application 56.

  A mobile terminal communication interface 57 is connected to the mobile terminal CPU 55. The mobile terminal communication interface 57 can be connected to the communication network In, and communication via the communication network In is possible. The portable terminal 50 can communicate with the server 40 and the room master unit 30 via the communication network In by registering terminal identification information such as a telephone number in the server 40 and the room base unit 30. Thereby, the portable terminal 50 can receive the calling signal from the front cordless handset 20 via the living room base unit 30 and can transmit its own terminal location information to the server 40. The self terminal location information is obtained by using, for example, GPS (Global Positioning System).

  In the intercom system 10 configured as described above, by registering the room location information in the server 40 in advance by a dedicated application installed in the mobile terminal application 56 of the mobile terminal 50, the server CPU 45 of the server 40 can control the room K. A geofence that is a virtual range is obtained, and information on this geofence is recorded in the server recording unit 48 as a room range G. The geofence which is this virtual room range G is a range in which the room K of the dwelling unit J can be accommodated.

  Then, the server CPU 45 of the server 40 has the portable terminal 50 in the living room K of the dwelling unit J based on the living room range G stored in the server recording section 48 by the generating unit 45a and the terminal position information of the portable terminal 50. The presence / absence information indicating whether or not the user is present is generated. The presence / absence information generated by the generation unit 45a of the server 40 is first sent from the server 40 to the portable terminal 50 in which a dedicated application is installed, and then sent from the portable terminal 50 to the room master unit 30. As a result, presence / absence information is transferred from the server 40 to the room master unit 30 via the communication network In. Note that presence / absence information may be directly transmitted from the server 40 to the living room parent unit 30 by directly communicating between the server 40 and the living room parent machine 30.

  In the server 40, every time the portable terminal 50 exceeds the boundary line of the living room range G, the generation unit 45a generates and updates the presence / absence information. Then, the latest presence / absence information is notified from the server 40 to the room master unit 30. Note that the terminal location information of the mobile terminal 50 is not limited to GPS, but may be specified from a base station with which the mobile terminal 50 communicates, an access point of WiFi (Wireless Fidelity), or the like. In addition, the update of presence / absence information may be delayed if there is a resident in a building where radio waves from GPS do not reach. For this reason, the position information of the portable terminal 50 may be configured to be manually set by the owner of the portable terminal 50. In this case, the presence / absence information is reliably updated by the generation unit 45a of the server 40 regardless of the GPS radio wave condition by setting when the owner of the portable terminal 50 exceeds the boundary of the room range G.

  In the room master unit 30, the room base unit communication interface 37 receives the presence / absence information generated by the server 40 via the communication network In. This presence / absence information is transmitted to the room master CPU 35. When the presence / absence information indicates absence at the time of calling from the entrance slave 20, that is, when all the mobile terminals 50 are outside the living room K of the dwelling unit J, the living room master unit CPU 35 33, the reception operation for the voice operation unit 33a and the touch operation unit 33b is locked. Thereby, a call with a visitor by a resident in the living room K and an unlocking operation of the entrance door are prohibited. Specifically, if the presence / absence information indicates absence at the time of calling from the front door 20, the room master unit CPU 35 locks the reception operation for the voice operation unit 33 a and the touch operation unit 33 b.

  Then, when the call from the entrance child device 20 is completed, the room parent device CPU 35 of the room parent device 30 unlocks the reception operation lock on the room parent device operation unit 33, the voice operation unit 33a, and the touch operation unit 33b. When the presence / absence information indicates that the user is at home, that is, when at least one of the portable terminals 50 is in the living room K of the dwelling unit J, the response operation to the room base unit operation unit 33, the voice operation unit 33a, and the touch operation unit 33b Is not locked and remains available.

  In the interphone system 10, the room master unit 30 has a room call function capable of making a call with the mobile terminal 50 via the communication network In. Therefore, for example, when the child in the answering machine speaks to the microphone 31 of the living room base unit 30, the voice operation unit 33a operates to make a call to the portable terminal 50, and the portable terminal 50 is carried out and the protection is taken out. It is possible to talk to a person.

  In addition, the lock on the touch operation unit 33b can be released by inputting a password to the touch operation unit 33b.

  Next, various operation pattern examples in the intercom system 10 having the above-described configuration will be described.

(Basic conditions)
1) Resident's family structure Family of four: Father F, Mother M, Elementary school eldest daughter C1, Preschooler second daughter C2 (see Figure 1)
2) Conditions of each resident Owner of the mobile device 50: Father F, Mother M
Recognition of unlock password: Father F, Mother M, Eldest daughter C1

<Operation pattern A>
Father F, mother M and eldest daughter C1 go out from the state where all of father F, mother M, eldest daughter C1, and second daughter C2 are in room K. Then, the mobile terminal 50 of the father F and the mother M moves out of the living room range G, so that the server 40 is transmitted from the mobile terminal 50 and the living room range G of the dwelling unit J stored in the server recording unit 48. Based on the terminal position information, the presence / absence information of the portable terminal 50 is generated and updated.

  Thereafter, the second daughter C2, who became lonely to answer by himself, speaks to the microphone 31 of the parent room 30 and uses the voice operation unit 33a to make a call to the mobile terminal 50 of the mother M. Then, the mother M's portable terminal 50 receives the call transmission from the living room base unit 30. As a result, the mother M and the second daughter C2 can have a conversation between the living room master 30 and the portable terminal 50. When the conversation ends, the mother M operates the mobile terminal operation unit 53 of the mobile terminal 50 to end the call.

  Thus, according to the intercom system 10 according to the present embodiment, it is convenient that the mother M who is out and the second daughter C2 who is in the answering machine can talk with each other between the living room base unit 30 and the portable terminal 50.

<Operation pattern B>
Father F, mother M and eldest daughter C1 go out from the state where all of father F, mother M, eldest daughter C1, and second daughter C2 are in room K. Then, the mobile terminal 50 of the father F and the mother M moves out of the living room range G, so that the server 40 is transmitted from the mobile terminal 50 and the living room range G of the dwelling unit J stored in the server recording unit 48. Based on the terminal position information, the presence / absence information of the portable terminal 50 is generated and updated.

Thereafter, the courier company visits the dwelling unit J, and the courier company performs a call operation on the entrance cordless handset 20. Then, a calling signal is transmitted from the front cordless handset 20 to the living room parent unit 30 and each portable terminal 50, and this calling signal is received by the living room parent unit 30 and each portable terminal 50.
In the living room parent machine 30, the living room parent machine CPU 35 responds to the living room parent machine operation unit 33, the voice operation unit 33 a, and the touch operation unit 33 b based on the presence / absence information generated by the server 40. The reception operation is automatically locked. As a result, the second daughter C2 in the living room K is prohibited from making a call with the courier and unlocking the entrance door.

On the other hand, in the portable terminal 50, the image of the delivery agent is displayed on the portable terminal display unit 54. The mother M who has gone out confirms the portable terminal display unit 54 of his / her portable terminal 50, touches the portable terminal display unit 54, and responds to the call at the entrance terminal 20. For example, mother M talks with a courier and requests to deliver again at a later date.
The mother M performs a touch operation on the mobile terminal display unit 54 and ends the reception at the entrance terminal 20 and the mobile terminal 50. Then, in the room master device 30, the room master device CPU 35 unlocks the reception operation lock of the room master device operation unit 33, the voice operation unit 33a, and the touch operation unit 33b.

  Here, in the intercom system without the lock function of the answering operation, when a call is made at the entrance cordless handset 20, the child who is the second daughter C2 before the mother M (guardian) who is out is in the room master phone 30. In some cases, the child responds to the call with the mobile terminal 50 while the mother M responds to the call with the portable terminal 50. At this time, if the visitor is a suspicious person, it may lead to trouble.

  On the other hand, according to the intercom system 10 according to the present embodiment, the room base unit operation unit 33, the voice operation unit 33a, and the touch operation unit 33b of the room base unit 30 are locked based on the presence / absence information. For this reason, the second daughter C2 who is answering in the room K cannot answer the call using the parent room 30, and troubles caused by the second child C2 being a preschooler answering the call occur. Can be suppressed.

<Operation pattern C>
Father F, mother M and eldest daughter C1 go out from the state where all of father F, mother M, eldest daughter C1, and second daughter C2 are in room K. Then, the mobile terminal 50 of the father F and the mother M moves out of the living room range G, so that the server 40 is transmitted from the mobile terminal 50 and the living room range G of the dwelling unit J stored in the server recording unit 48. Based on the terminal position information, the presence / absence information of the portable terminal 50 is generated and updated.

Thereafter, the eldest daughter C1 comes home and the eldest daughter C1 and the second daughter C2 are at home in the dwelling unit J. In this state, the delivery company visits the dwelling unit J, and performs a call operation on the front door 20. Then, a calling signal from the front cordless handset 20 is transmitted to the living room main unit 30 and each portable terminal 50, and this calling signal is received by the living room main unit 30 and each portable terminal 50.
In the living room parent machine 30, the living room parent machine CPU 35 responds to the living room parent machine operation unit 33, the voice operation unit 33 a, and the touch operation unit 33 b based on the presence / absence information generated by the server 40. The reception operation is automatically locked. As a result, a call with the courier by the eldest daughter C1 and the second daughter C2 in the living room K and the unlocking operation of the entrance door are prohibited.

  The eldest daughter C1 who is staying at home confirms that the visitor is not a suspicious person but a courier by the room master display unit 34, and then inputs the password to the room master 30 from the touch operation unit 33b. Unlock the operation. Then, the eldest daughter C1 operates the room base unit operation unit 33 of the room base unit 30, responds to the call at the front door unit 20, and then ends the reception at the room base unit 30.

  Thus, according to the intercom system 10 according to the present embodiment, the eldest daughter C1 who has returned from the outside to the dwelling unit J confirms the situation such as whether or not the visitor is a suspicious person by the living room master unit 30. Can respond to calls from the entrance unit 20. In other words, it is possible to flexibly respond to the call of the front door 20 depending on the situation.

  As described above, according to the intercom system 10 according to the present embodiment, when a resident is out with the portable terminal 50, when a call is made from a visitor, the intercom system 10 is based on presence / absence information. The living room parent device operation unit 33, the voice operation unit 33a, and the touch operation unit 33b of the living room parent device 30 are locked. For this reason, the child etc. who is answering in the room K cannot respond to the call using the room parent machine 30, and can suppress the occurrence of trouble caused by the child answering. Therefore, the security of the call answering function can be improved.

  By the way, in the intercom system 10 having a room call function capable of making a call between the room base unit 30 and the portable terminal 50, for example, a child in the answering machine makes a call with a guardian who is out using the room base unit 30. Convenient to do. On the other hand, it is considered that there is an increased possibility that a child gets used to the operation of the living room parent device 30 and the living room parent device 30 responds to the call without permission when the resident who is a guardian is absent.

  However, according to the intercom system 10 according to the present embodiment, when the resident is out of the portable terminal 50, when there is a call from a visitor, the room master unit 30 is based on the presence / absence information. The room master unit operating unit 33, the voice operating unit 33a, and the touch operating unit 33b are locked. Therefore, children who are in the answering machine in room K cannot respond to the call using voice operation or touch operation on the room master unit 30, and the occurrence of trouble caused by the child answering is suppressed. can do. Thus, according to the intercom system 10 having the above configuration, it is possible to improve the security of the call answering function while maintaining the convenience of the in-room call function.

  In addition, the lock on the touch operation unit 33b can be released by inputting a password to the touch operation unit 33b. Therefore, when a resident who knows the password comes home, the lock can be released by inputting the password from the touch operation unit 33b, and the call can be answered using the room master unit 30. That is, the lock can be released by the child who has been given the password. For example, by providing a password to an older child who can determine whether or not the visitor is a suspicious person, the older child can unlock and respond to the visitor. It becomes possible.

  Furthermore, the room master unit CPU 35 of the room base unit 30 unlocks the reception operation for the room base unit operation unit 33 when the call from the entrance slave unit 20 is finished. The function can be used. Therefore, for example, a child in the answering machine can make a call with a guardian who is out using the living room master 30. Thereby, security can be improved while maintaining the convenience of the in-room call function and the call answering function.

  In the above embodiment, the mobile terminal 50 receives a call from the entrance slave unit 20 via the room master unit 30 connected to the communication network In. However, the mobile terminal 50 receives the communication network In from the entrance slave unit 20. The call signal may be transmitted directly to the portable terminal 50 via the portable terminal 50 and received by the portable terminal 50.

  Moreover, in the said embodiment, although the server 40 calculated | required the room range G which consists of a geofence by the exclusive application installed in the portable terminal application 56 of the portable terminal 50, it transferred to the room master 30, It is this geofence. The room range G may be registered in advance by the room master unit 30. In this case, the server 40 acquires the room location G registered in the room master unit 30 and the terminal position information of the mobile terminal 50, and generates presence / absence information of the mobile terminal 50 based on these information. Become.

  In addition, as shown in FIG. 5, the living room base unit 30 may be provided with a lock setting unit 38 that can lock the reception operation for the living room base unit operation unit 33, the voice operation unit 33 a, and the touch operation unit 33 b.

  Thus, if the lock setting part 38 is provided, the resident in the living room K of the dwelling unit J can be manually set by the lock setting part 38 in the room setting unit 38, the voice operation part 33a, and the touch operation part 33b before going out. By locking the response operation with respect to, the subsequent response operation by the room master unit 30 cannot be performed, and security can be ensured.

  In addition, as shown in FIG. 6, the living room base unit 30 includes a first lock setting unit 38 a that locks a response operation to the voice operation unit 33 a when calling from the entrance handset 20, and a call from the entrance handset 20. You may provide the 2nd lock setting part 38b which locks the reception operation with respect to the touch operation part 33b at the time. With such a configuration, it is possible to set separately the lock of the reception operation by the voice operation unit 33a and the lock of the reception operation by the touch operation unit 33b. For example, the setting for the eldest daughter C1 who can use the touch operation increases the degree of freedom of the lock setting and the convenience is improved.

  Further, the mobile terminal 50 includes a third lock setting unit 58a that locks a response operation to the voice operation unit 33a at the time of calling from the front door device 20, and a response to the touch operation unit 33b at the time of calling from the front door device 20. You may provide the 4th lock setting part 58b which locks operation. With such a configuration, the lock of the response operation by the voice operation unit 33a and the lock of the response operation by the touch operation unit 33b can be set separately by the resident who is out.

10: Intercom system, 20: Entrance slave unit, 30: Office master unit, 33: Operation unit, 33a: Voice operation unit, 33b: Touch operation unit, 35: Host unit CPU (an example of control unit), 37: Room Base unit communication interface (an example of a receiving unit), 38: lock setting unit, 38a: first lock setting unit, 38b: second lock setting unit, 40: server, 45a: generation unit, 48: server recording unit (recording unit) 1), 50: mobile terminal, 58a: third lock setting unit, 58b: fourth lock setting unit, G: room range (an example of room location information), In: communication network, K: room

Claims (8)

An entrance cordless handset for performing call operations;
A room master unit configured to be communicable with the entrance slave unit;
A server capable of communicating with the room master via a communication network;
A portable terminal that can communicate with the server and the parent unit via the communication network, can receive the call from the entrance unit, and transmits location information of the terminal to the server;
With
The server
A recording unit in which the location information of the room in which the room master is installed;
A generation unit that generates presence / absence information indicating whether or not the mobile terminal is in the room based on the position information of the room and the position information of the mobile terminal;
The room master is
An operation unit for receiving a response operation for responding to the call from the entrance cordless handset;
A receiving unit for receiving the presence / absence information via the communication network;
A control unit that locks the reception operation for the operation unit when the presence / absence information indicates absence at the time of calling from the entrance unit,
Intercom system.   The intercom system according to claim 1, wherein the living room base unit has a room calling function capable of making a call with the mobile terminal.   The intercom system according to claim 1, wherein the living room base unit includes a lock setting unit that locks the reception operation with respect to the operation unit at the time of calling from the entrance slave unit. The operation unit includes a voice operation unit that can be operated by voice, and a touch operation unit that can be operated by touch operation,
The said control part locks the said reception operation with respect to the said voice operation part and the said touch operation part, when the said presence / absence information shows absence at the time of the call from the said entrance cordless handset. Intercom system. The room master is
A first lock setting unit that locks the reception operation for the voice operation unit at the time of calling from the entrance unit;
A second lock setting unit that locks the reception operation with respect to the touch operation unit at the time of calling from the entrance unit,
The intercom system according to claim 4. The portable terminal is
A third lock setting unit for locking the reception operation for the voice operation unit at the time of calling from the entrance unit;
A fourth lock setting unit that locks the reception operation with respect to the touch operation unit at the time of calling from the entrance unit,
The intercom system according to claim 4 or 5.   The intercom system according to any one of claims 4 to 6, wherein the lock of the reception operation on the touch operation unit can be released by inputting a password to the touch operation unit.   The intercom system according to any one of claims 1 to 7, wherein when the call from the entrance unit is finished, the control unit unlocks the reception operation with respect to the operation unit.

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