JP2009232421A - Intercom system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an intercom system that calls and operates a house master unit using a mobile phone, and enables speech. <P>SOLUTION: The intercom system includes mobile phones, wireless routers each including a function for directly communicating with each of the mobile phones, and house master units connected to the wireless router. A mobile phone transmits an access point search signal (S1), searches for a communicable wireless router, and applies an access right when recognizing the wireless router (S3). When receiving application of the access right, the wireless router returns an access right imparting signal and requests an authentication code (S4). When the authentication code is transmitted from the mobile phone and a calling signal is transmitted (S6), the calling signal is transmitted (S8) to a house master unit 3 being set in accordance with the authentication code. When a response signal is received from the house master unit, a speech channel between the mobile phone and the house master unit is formed (S9). <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an intercom system, and more particularly to an intercom system capable of communicating with a mobile phone.

As a conventional intercom system that enables communication with a mobile phone, there is a configuration described in Patent Document 1, for example. In this patent document 1, the communication circuit for communicating with a mobile phone is provided in both the entrance cordless handset installed in the entrance and the dwelling unit master installed in the dwelling unit, and it is made to communicate with a dwelling unit base unit and a mobile phone beforehand. If the visitor carrying the mobile phone memorizes the information and then calls and operates the entrance cordless handset, the entrance cordless handset communicates with the mobile phone carried by the visitor, and the entrance cordless handset When the authentication data is received and matches the information stored in advance in the dwelling unit, the information, specifically the name of the visitor, is displayed on the dwelling unit.
As described above, by communicating with the mobile phone in response to the call and displaying the visitor information based on the information, the resident can quickly and reliably identify the visitor.

JP 2003-224663 A

  Although the configuration of Patent Document 1 uses a mobile phone carried by a visitor, an entrance cordless handset is still used for calling and the mobile phone is used as an ID transmitter for authenticating a visitor. there were. However, since the mobile phone has a function to call as its name suggests, if this function is also used, the resident can be called without using the entrance cordless handset itself and without calling by entering the telephone number. It is possible to make a telephone call, and it is possible to simplify the configuration of the intercom.

  Accordingly, an object of the present invention is to provide an intercom system that can perform a call operation on a dwelling unit using a mobile phone and further enable a call.

  In order to solve the above-mentioned problem, the invention of claim 1 is directed to a mobile phone carried by a visitor for communicating and calling using a public communication network, and a mobile phone installed in a dwelling unit and directly connected to the mobile phone. A wireless router having a communication function and a dwelling unit that forms a communication path with the mobile phone via the wireless router and can respond to a call from a visitor. An access point search unit that transmits an access point search signal that searches for the location of a wireless router that can perform access, an access right application unit that applies for an access right to the wireless router that has confirmed the location, and an ID that transmits a visitor ID A transmission unit, a call operation unit that performs a call operation on the dwelling unit, and a call control unit that transmits a visitor ID when access permission is obtained from the wireless router and transmits a call signal to the wireless router in response to the call operation. Yes On the other hand, the wireless router transmits a visitor ID storage unit in which a visitor ID for permitting a call is registered, an access point response unit that receives an access point search signal and generates a response signal, and a mobile phone. An access right granting unit that transmits an access permission signal for permitting access to the dwelling unit, an ID checking unit that verifies the visitor ID received from the mobile phone, and a control for forming a communication path between the mobile phone and the dwelling unit. A call path formation control unit, and the call path formation control unit is an ID in which a visitor ID received from a mobile phone after transmitting an access right grant signal is registered. And a call signal is transmitted to the dwelling unit. When a response signal is received from the dwelling unit, a call path between the mobile phone and the dwelling unit is formed.

According to this configuration, when a visitor carrying a mobile phone approaches a dwelling unit equipped with an intercom system having a wireless router capable of communicating with a mobile phone that is close to the mobile phone, the mobile phone and the wireless router communicate with each other. It is possible to call a dwelling unit without using a public telephone line. Then, if a response operation is performed by a visitor who has recognized this call, a call path is formed via the wireless router, and a two-way call can be performed. Therefore, the visitor can call and call the resident from the entrance without using the entrance cordless handset.
In addition, since a visitor ID for enabling a call is registered in the wireless router, even if the mobile phone can communicate with the wireless router, the mobile phone can use the ID information transmitted from the mobile phone. Visitors that can be called can be limited, calls from suspicious people and mischievous calls can be prevented, and residents do not feel unpleasant.

According to a second aspect of the present invention, in the first aspect of the present invention, the visitor ID is a mobile phone ID unique to the mobile phone, and the mobile phone ID transmission unit receives the access right grant signal and receives the access right grant signal. An ID is transmitted.
According to this configuration, since the visitor ID is a mobile phone ID unique to the mobile phone, the visitor does not need to input an ID when performing a call operation, and can perform a smooth call operation.

The invention according to claim 3 is the invention according to claim 1 or 2, wherein the wireless router is connected to a plurality of dwelling units, and associates a visitor ID with at least one of the dwelling units. The speech path formation control unit has a destination storage unit, and transmits a call signal to the dwelling unit associated with the call destination storage unit based on the visitor ID transmitted from the mobile phone. And
According to this configuration, even if a plurality of dwelling units are installed, the calling unit dwelling unit is determined for the visitor, so that the visitor can directly call the resident who wants to visit. .

  According to a fourth aspect of the present invention, there is provided a wireless router having a function of directly communicating with a mobile phone carried by a visitor for communicating and calling using a public communication network, and a mobile phone installed in a dwelling unit. And a mobile unit that can respond to a call from a visitor by forming a communication path with the mobile phone via the wireless router, and the mobile phone has a wireless router capable of direct communication. An access point search unit that transmits an access point search signal to be searched, an access right application unit that applies for an access right to a wireless router whose location has been confirmed, a call operation unit that performs a call operation on a dwelling unit, and a call operation A call control unit that receives and controls the call signal to be transmitted to the wireless router, the wireless router receives an access point search signal and generates a response signal, and a mobile phone An access right granting unit that transmits an access permission signal for permitting access to the dwelling unit, and a call path formation control unit that forms a call path between the mobile phone and the dwelling unit. When a call signal is received from the mobile phone after the right grant signal is transmitted, the signal is transmitted to the dwelling unit, and when a response signal is received from the dwelling unit, a communication path between the mobile phone and the dwelling unit is formed. It is characterized by.

  According to this configuration, when a visitor carrying a mobile phone approaches a dwelling unit equipped with an intercom system having a wireless router capable of communicating with a mobile phone that is close to the mobile phone, the mobile phone communicates with the mobile phone. It is possible to call a dwelling unit without using a public telephone line. Then, if a response operation is performed by a visitor who has recognized this call, a call path is formed via the wireless router, and a two-way call can be performed. Therefore, the visitor can call and call the resident from the entrance without using the entrance cordless handset.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the mobile phone includes a camera, the dwelling unit has a monitor capable of displaying an image, and the call control unit of the mobile phone includes: In addition to transmitting the captured image of the camera in accordance with the transmission of the calling signal, the communication path formation control unit of the wireless router transmits the received video signal to the calling signal transmission destination, and the dwelling unit is configured to receive the received video. A display control unit for displaying a signal on a monitor is provided.
According to this configuration, if a resident who has made a call using a mobile phone urges a responding resident to take a picture of the visitor himself using a mobile phone camera, Visitor images can be confirmed on the dwelling unit as in the case of slave units. Therefore, the camera can be used and it is effective for confirmation of visitors.

  According to the present invention, when a visitor carrying a mobile phone approaches a dwelling unit equipped with an intercom system having a wireless router capable of communicating with a mobile phone that is close to the mobile phone, the mobile phone communicates with the mobile phone. It is possible to call a dwelling unit without using a public telephone line. Then, if a response operation is performed by a visitor who has recognized this call, a call path is formed via the wireless router, and a two-way call can be performed. Therefore, the visitor can call and call the resident from the entrance without using the entrance cordless handset.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, embodiments of the invention will be described in detail with reference to the drawings. FIG. 1 is a configuration diagram showing an example of an intercom system according to the present invention, where 1 is a mobile phone carried by a visitor, 2 has a function of directly communicating with the mobile phone 1, and is installed in the vicinity of a front door in a dwelling unit. The wireless routers 3 and 3 (3a, 3b) are dwell unit masters installed in the living room to respond to calls from visitors, and the wireless routers 2 and 3 are communication lines such as a LAN. Connected with.

<First Embodiment>
FIG. 2 shows a circuit block diagram of the mobile phone 1. As shown in FIG. 2, an antenna 10a is provided and can be wirelessly connected to a public telephone line (not shown), and an interface (wireless communication IF) 10 for directly wirelessly communicating with the wireless router 2 and the mobile phone 1 can communicate with each other. An access point search unit 12 for searching for an access point, a wireless router 2 capable of communication nearby, and a callable notification unit 13, a camera 14 and a wireless router for notifying when the dwelling unit 3 can be called 2, an access right application unit 15 for applying for an access right, an authentication code input notifying unit 16 for displaying that an authentication code (visitor ID) can be input, and operations for performing various operations such as call operation and authentication code input Unit 17, a mobile phone control unit 18 for controlling the entire mobile phone, and the like.

  FIG. 3 shows a circuit block diagram of the wireless router 2. As shown in FIG. 3, an interface (wireless communication IF) 20 provided with an antenna 20a for wireless communication with a mobile phone 1, an interface (router IF) 21 for communication with a dwelling unit 3 and a mobile phone of a visitor A call destination storage unit 22 for selecting the transmission destination dwelling unit 3 of the call signal received every 1; an access point response unit 23 for generating a response signal for the access point search signal transmitted from the mobile phone 1; The access right granting unit 24 for granting the access right to the mobile phone 1, the authentication code storage unit 25 for permitting the calling of the dwelling unit 3 from the mobile phone 1, and the authentication code transmitted from the mobile phone 1 are discriminated. An authentication code discriminating section 26 that performs the communication path formation, and a wireless router control section 27 that controls the entire wireless router 2.

  FIG. 4 shows a circuit block diagram of the dwelling unit base unit 3. As shown in FIG. 4, an interface (base unit IF) 30 for communicating with the wireless router 2, a call notification unit 31 that notifies a call, a video display unit 32 that displays a captured image of the camera 14 of the mobile phone 1, a wireless A call destination setting unit 33 for setting / changing call destination data in the call destination storage unit 22 of the router 2, a call destination setting display unit 34 for displaying call destination setting contents, and authentication of the authentication code storage unit 25 of the wireless router 2 An authentication code setting unit 35 for setting / changing code data, an authentication code display unit 36 for displaying authentication code setting content, a call button 37 for responding to a call, and a dwell unit control unit 38 for controlling the entire dwell unit 3 It has.

The call / response operation of the intercom system configured as described above is as follows. FIG. 5 shows a flowchart showing the flow of the call / response operation, which will be described based on this flow. The access point search unit 12 of the cellular phone 1 is always in an active state, and transmits an access point search signal from the wireless communication IF (antenna 10a) (S1) to search for an access point capable of direct communication.
When a visitor carrying this mobile phone 1 approaches the dwelling entrance where the wireless router 2 is installed, an access point search signal is received by the wireless communication IF 20 (the antenna 20a thereof) of the wireless router 2, and the wireless router control unit 27. Upon receipt of the access point search signal, a response signal is generated from the access point response unit 23 and returned from the wireless communication IF 20 (S2).

  When the mobile phone control unit 18 receives the access point search response signal via the wireless communication IF 10, the access right application unit 15 generates an access right application signal and transmits it from the wireless communication IF 10 (S3). The wireless router control unit 27 that has received the access right application signal by the wireless communication IF 20 generates an access right grant signal by the access right grant unit 24 and sends it back from the radio communication IF 20 together with an authentication code request signal. (S4).

  When receiving the access right grant signal from the wireless communication IF, the mobile phone control unit 18 recognizes that communication with the wireless router 2 is currently possible, and activates the authentication code input notification unit 16 to prompt the input of the authentication code. While displaying, it displays that the resident can be called by making the callable notification unit 13 active (S5). Specifically, an authentication code display frame and a call button icon are displayed on the LCD screen of the mobile phone 1. From this display, the visitor can recognize that the call can be made by inputting the authentication code.

  In response to this display, the visitor operates the operation unit 17 to input the authentication code determined in advance with the resident and stored in the wireless router 2 and operates the call button on the operation unit 17 ( S6). In response to this operation, the mobile phone control unit 18 transmits an authentication code and a calling signal via the wireless communication IF 10. In addition, the mobile phone control unit 18 activates the camera 14 and transmits a video signal captured by the camera 14 via the wireless communication IF 10.

  When the wireless router control unit 27 receives the authentication code, the call signal, and the video signal via the wireless communication IF 20, first, the authentication code determination unit 26 compares the authentication code stored in the authentication code storage unit 25 with the received authentication code. (S7) If the received authentication code matches the stored authentication code, then the information of the call destination dwelling unit 3 stored in association with the authentication code is obtained from the call destination storage unit 22, and the call signal and The video signal is transmitted to the designated dwelling unit 3 via the router IF 21 (S8). For example, if one of the dwelling units 3a and 3b is associated with the authentication code received by this dwelling unit 3a, 3b, a calling signal and a video signal are transmitted to this one dwelling unit 3a. The If the authentication code that matches the received authentication code is not registered in the authentication code storage unit 25, the communication is terminated and the wireless router returns to the standby state.

When receiving the call signal and the video signal via the base unit IF 30, the dwell unit control unit 38 of the dwell unit 3 that has received the call signal causes a call sound from the call notification unit 31 to be displayed on the video display unit 32. 14 captured images are displayed. When the call button 37 of the dwelling unit 3 is operated by a resident who has recognized this calling operation, a calling path is formed between the mobile phone 1 that has been called through the wireless router 2 and the dwelling unit 3. (S9), a call can be made between the visitor and the resident. Thus, the resident can respond while watching the captured image of the camera 14 displayed on the video display unit 32.
At this time, when the resident responds, if the camera 14 is prompted to take an image of the visitor's face, the visitor's face image can be displayed on the video display unit 32. This makes it easier to identify visitors.

  After that, when the call is finished and a predetermined call end operation is performed in the dwelling unit 3 or the mobile phone 1 (S10), the wireless router control unit 27 detects the call and cuts off the formed communication path and waits. Return to state.

In this way, when a visitor carrying a mobile phone approaches a dwelling unit equipped with an intercom system that has a wireless router capable of communicating with a nearby mobile phone, the mobile phone and the wireless router communicate and use the mobile phone. Thus, it is possible to call the dwelling unit without using a public telephone line. Then, if a response operation is performed by a visitor who has recognized this call, a call path is formed via the wireless router, and a two-way call can be performed. Therefore, the visitor can call and call the resident from the entrance without using the entrance cordless handset.
Also, since the visitor's authentication code is registered in the wireless router, even if it is a mobile phone that can communicate with the wireless router, the visitor who can be called from the mobile phone is identified by the ID information transmitted from the mobile phone. It can be limited, and calls from suspicious persons and mischievous calls can be prevented, and residents do not feel unpleasant.
Furthermore, even if multiple dwelling units are installed, the calling unit dwelling unit is determined for the visitor, so it is convenient for the visitor to call the resident who wants to visit, and the mobile phone. Even if the call operation is performed using the mobile phone camera, you can use the mobile phone camera to take a picture of the visitor, and you can check the visitor video on the dwelling unit as in the case of a conventional entrance unit with a camera. Can use the camera.

It should be noted that the input or change of information in the authentication code storage unit 25 used for authenticating the visitor by the wireless router 2 can be performed by the authentication code setting unit 35 of the dwelling unit 3, and the call destination can be selected according to the visitor. The call destination setting unit 33 of the dwelling unit 3 can set or change the call destination in the call destination storage unit 22 to be designated.
Further, when an authentication code is set, if an authentication code different for each visitor is set and stored together with the visitor name, the dwell unit 3 can be used by using the authentication code information when the call signal is received. It is possible to display the visitor information on the authentication code display unit 36, etc., and to discriminate the visitor before responding.

The operation for changing the authentication code will be described in detail. When the authentication code setting unit 35 is subjected to a predetermined change operation, the dwell unit base unit control unit 38 sends an authentication code information request to the wireless router 2 via the base unit IF 30. Done. When the wireless router 2 receives the authentication code information request via the router IF 21, the wireless router 2 takes out the authentication code information from the authentication code storage unit 25 under the control of the wireless router control unit 27 and transmits it to the dwelling unit 3 via the router IF 21. To do.
When receiving the authentication code information, the dwelling unit base unit control unit 38 displays it on the authentication code information display unit 36. When the authentication code setting unit 35 is operated by the resident who has confirmed this display and the authentication code is changed, it is transmitted to the wireless router control unit 27 through the same route as the authentication code information request, and the changed authentication code. Is stored in the authentication code storage unit 25, and the authentication code is changed. The flow of this operation is the same for changing the callee storage unit 22.

Second Embodiment
6, 7 and 8 are circuit block diagrams showing a second embodiment of the intercom system according to the present invention. The second embodiment will be described below.
6 is a mobile phone, FIG. 7 is a wireless router, and FIG. 8 is a dwelling unit. The entire configuration of the intercom system is the same as that in FIG. Also, the same components as those in the first embodiment are given the same reference numerals, and description thereof is omitted. In the first embodiment, the authentication code (visitor ID) is set and the visitor is requested to input the authentication code. Here, the visitor ID is set for each mobile phone. Mobile phone ID.

Specifically, as shown in FIG. 6, the mobile phone 1 controls the wireless communication IF 10, the access point search unit 12, the callable notification unit 13, the camera 14, the access right application unit 15, the operation unit 17, and the entire mobile phone. A mobile phone control unit 18 and the like are provided. In addition to the wireless communication IF 20, the router IF 21, the call destination storage unit 22, the access point response unit 23, the access right granting unit 24, and the wireless router control unit 27, the wireless router 2 is connected to the mobile phone 1 as shown in FIG. A mobile phone ID storage unit 41 for permitting calling of the dwelling unit 3 and a mobile phone ID determination unit 42 for determining the mobile phone ID transmitted from the mobile phone 1 are provided.
Further, as shown in FIG. 8, the dwelling unit 3 has a base unit IF 30, a call notification unit 31, a video display unit 32, a call destination setting unit 33, a call destination setting display unit 34, and a call button 37 for answering the call. In addition to the dwell unit control unit 38 for controlling the dwell unit 3 as a whole, the cell phone ID setting unit 44 for setting / changing data in the cell phone ID storage unit 41 of the wireless router 2 and the cell phone ID setting contents are displayed. Mobile phone ID display unit 45 and the like.

The call / response operation of the intercom system configured as described above is as follows. FIG. 9 is a flowchart showing the flow of the call / response operation, which will be described based on this flow. The access point search unit 12 of the mobile phone 1 is always in an active state, transmits an access point search signal from the wireless communication IF 10 (S11), and searches for an access point capable of direct communication.
When a visitor carrying the mobile phone 1 approaches the entrance of the dwelling unit where the wireless router 2 is installed, an access point search signal is received by the wireless communication IF 20 of the wireless router 2 and recognized by the wireless router control unit 27. . Upon receipt of the access point search signal, a response signal is generated from the access point response unit 23 and returned from the wireless communication IF 20 (S12).

  When the mobile phone control unit 18 receives the access point search response signal via the wireless communication IF 10, the access right application unit 15 generates an access right application signal and transmits it from the wireless communication IF 10 (S13). The wireless router control unit 27 that has received this access right application signal by the wireless communication IF 20 generates an access right grant signal by the access right grant unit 24 and sends it back from the radio communication IF 20 (S14).

  The mobile phone control unit 18 recognizes that communication with this wireless router is currently possible by receiving the access right grant signal via the wireless communication IF 10, and sends its own mobile phone ID from the wireless communication IF 10 to the wireless router. 2 (S15).

When receiving the mobile phone ID via the wireless communication IF 20, the wireless router control unit 27 compares the received mobile phone ID with the data registered in advance in the mobile phone ID storage unit 41 by the mobile phone ID determination unit 42 ( S16) If the received mobile phone ID is registered, a verification completion signal is returned. If the received mobile phone ID is not registered in the mobile phone ID storage unit 41, the communication is terminated, the wireless router 2 returns to the standby state, and the communication with the mobile phone is terminated.
The mobile phone control unit 18 of the mobile phone 1 receives the collation completion signal and activates the callable notification unit 13 to display that the resident can be called (S17).

In response to this display, the visitor operates a predetermined call button of the operation unit 17 (S18). In response to this operation, the mobile phone control unit 18 transmits a calling signal, activates the camera 14, and transmits a captured video signal from the wireless communication IF 10.
When the wireless router control unit 27 receives the call signal and the video signal via the wireless communication IF 20, the wireless router control unit 27 acquires the call destination dwelling unit 3 associated with the authenticated mobile phone ID from the call destination storage unit 22, and calls The signal and the video signal are transmitted to the designated dwelling unit 3 via the router IF 21 (S19).

Upon receiving the call signal and the video signal via the base unit IF 30, the dwell unit 3 receives the ringing sound from the call notification unit 31 and displays the video on the video display unit 32 under the control of the dwell unit control unit 38. . When the call button 37 of the dwell unit base unit 3 is operated by a resident who has recognized this call operation, a call path is formed between the mobile phone 1 that has been called through the wireless router 2 and the dwell unit base unit 3. In step S20, a call can be made between the visitor and the resident. Thus, the resident can respond while watching the captured image of the camera 14 displayed on the video display unit 32.
After that, when the call is finished and a predetermined call end operation is performed in the dwelling unit 3 or the mobile phone 1 (S21), the wireless router control unit 27 detects it and blocks the formed call path. Return to the standby state.

With such a configuration, when a visitor carrying a mobile phone approaches a dwelling unit equipped with an intercom system that has a wireless router capable of communicating with a nearby mobile phone, the mobile phone communicates with the wireless router. It is possible to call a dwelling unit without using a public telephone line. Then, if a response operation is performed by a visitor who has recognized this call, a call path is formed via the wireless router, and a two-way call can be performed. Therefore, the visitor can call and call the resident from the entrance without using the entrance cordless handset.
In addition, the mobile phone ID unique to the mobile phone carried by the visitor is registered in the wireless router, and even if the mobile phone can communicate with the wireless router, the mobile phone ID information transmitted from the mobile phone is used. Visitors that can be called from can be limited. Therefore, the call from a suspicious person and a mischievous call can be prevented, and a resident does not feel unpleasant.
Furthermore, a visitor does not need to input an ID when performing a call operation, and can perform a smooth call operation.
Also, even if multiple dwelling units are installed, the calling unit dwelling unit is determined for the visitor, so it is convenient for the visitor to call the resident who wants to visit. Even if the call operation is performed using the mobile phone camera, you can use the mobile phone camera to take a picture of the visitor, and you can check the visitor video on the dwelling unit as in the case of a conventional entrance unit with a camera. Can use the camera.

In any of the above embodiments, the mobile phone 1 that can be called is restricted. However, if the mobile phone 1 can simply communicate with the wireless router 2, the dwell unit 3 can be called. good. FIG. 10 shows an operation flow in this case. In such an operation, the configuration of each device can be simplified. For example, when viewed from the device configuration of the first embodiment, the mobile phone 1 in FIG. 2 does not require the authentication code input notification unit 16. In the wireless router 2 of FIG. 3, the authentication code storage unit 25 and the authentication code determination unit 26 are not necessary. Further, in the dwelling unit 3 shown in FIG. 4, the authentication code setting unit 35 and the authentication code display unit 36 are not necessary.
In any of the above embodiments, the camera 14 of the mobile phone 1 is operated to transmit the video in response to the call, but the camera 14 may not be activated.

It is a block diagram which shows embodiment of the intercom system which concerns on this invention. 1 is a circuit block diagram of a mobile phone according to a first embodiment. It is a circuit block diagram of the wireless router of 1st Embodiment. It is a circuit block diagram of the dwelling unit main unit according to the first embodiment. It is a flowchart which shows the flow of the calling / response operation | movement of 1st Embodiment. It is a circuit block diagram of the mobile telephone of 2nd Embodiment. It is a circuit block diagram of the wireless router of 2nd Embodiment. It is a circuit block diagram of the dwelling unit parent machine of 2nd Embodiment. It is a flowchart which shows the flow of the calling / response operation | movement of 2nd Embodiment. It is a flowchart which shows the other example of this invention, and shows the flow of call / response operation | movement.

Explanation of symbols

  1 .. Cellular phone, 2 .... Wireless router, 3 (3a, 3b) .. Dwelling unit, 12 .. Access point search unit, 13 .. Callable notification unit, 14 .. Camera, 15 .. Access right Application unit, 17 .. Operation unit (call operation unit), 18 .. Mobile phone control unit (ID transmission unit, call control unit), 22 .. Call destination storage unit, 23 .. Access point response unit, 24. Access right granting section, 25... Authentication code storage section (visitor ID storage section), 26... Authentication code determination section (ID verification section), 27 .. Wireless router control section (speech path formation control section), 32 .. Video display unit (monitor), 37. Call button, 38. Dwelling unit control unit (display control unit), 41. Mobile phone ID storage unit, 42. Mobile phone ID discrimination unit.

Claims (5)

A mobile phone carried by a visitor to communicate and make a call using a public communication network, a wireless router provided with a function of directly communicating with the mobile phone installed in a dwelling unit, and the wireless router A communication path is formed between the mobile phone and a dwelling unit that can respond to calls from visitors,
The mobile phone includes an access point search unit that transmits an access point search signal for searching the location of the wireless router capable of direct communication, and an access right application unit that applies an access right to the wireless router that has confirmed the location. An ID transmission unit that transmits a visitor ID, a call operation unit that performs a call operation on the dwelling unit, and a visitor ID that is transmitted when access permission is obtained from the wireless router. While having a call control unit for controlling transmission to the wireless router,
The wireless router includes a visitor ID storage unit in which a visitor ID for permitting a call is registered, an access point response unit that receives the access point search signal and generates a response signal, and the mobile phone An access right granting unit that transmits an access permission signal for permitting access to the dwelling unit, an ID collating unit that verifies a visitor ID received from the cell phone, and a call between the cell phone and the dwelling unit A communication path formation control unit for controlling the formation of a path,
The call path formation control unit is an ID in which a visitor ID received from the mobile phone is registered after the access right grant signal is transmitted, and when a call signal is further received, the call is permitted and the call signal is transmitted. An intercom system, wherein a communication path is formed between the mobile phone and the dwelling unit when it is transmitted to the dwelling unit and a response signal is received from the dwelling unit. The visitor ID is a mobile phone ID unique to a mobile phone, and the ID transmitter of the mobile phone transmits its mobile phone ID in response to the access right grant signal. The listed intercom system. The wireless router is connected to a plurality of dwelling units, and has a call destination storage unit that associates the visitor ID with at least one of the plurality of dwelling units.
The said call path formation control part transmits the said call signal with respect to the dwelling unit main unit linked | related in the call destination memory | storage part based on the visitor ID transmitted from the said mobile telephone. The intercom system according to 1 or 2. A mobile phone carried by a visitor to communicate and make a call using a public communication network, a wireless router provided with a function of directly communicating with the mobile phone installed in a dwelling unit, and the wireless router A communication path is formed between the mobile phone and a dwelling unit that can respond to calls from visitors,
The mobile phone includes an access point search unit that transmits an access point search signal for searching the location of the wireless router capable of direct communication, and an access right application unit that applies an access right to the wireless router that has confirmed the location. And a call operation unit that performs a call operation on the dwelling unit, and a call control unit that receives a call operation and controls transmission of a call signal to the wireless router,
The wireless router receives an access point search signal and generates a response signal, an access right response unit that transmits an access permission signal that allows the mobile phone to access the dwelling unit, A communication path formation control unit that forms the communication path of the mobile phone and the dwelling unit;
When the call path formation control unit receives a call signal from the mobile phone after transmitting the access right grant signal, the call path formation control unit transmits the signal to the base unit of the dwelling unit and receives the response signal from the base unit of the dwelling unit. And an intercom system characterized in that a communication path is formed between the unit and the dwelling unit. The mobile phone includes a camera, and the dwelling unit includes a monitor capable of displaying an image,
The call control unit of the mobile phone transmits the captured image of the camera in accordance with the transmission of the call signal, and the speech path formation control unit of the wireless router uses the received video signal as a call signal transmission destination. 5. The intercom system according to claim 1, further comprising a display control unit that transmits and displays the received video signal on the monitor.

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