JP7733516B2 - Apartment complex intercom system with non-contact input device - Google Patents

Description

The present invention relates to an intercom system for apartment buildings, and in particular to an intercom system for apartment buildings that allows users to call residents or unlock the door without directly touching input buttons, etc., by connecting a non-contact input device, without requiring major modifications to the existing intercom system.

In recent years, apartment complexes have adopted intercom systems that allow visitors to call a resident by specifying a room number using buttons such as a numeric keypad located on the operation panel of the apartment complex's entrance, and unlock doors when residents return home and enter the living area through the entrance (see, for example, Patent Document 1).

Japanese Patent Application Laid-Open No. 2021-61544

Such conventional apartment complex intercom systems are typically operated using mechanical buttons located on the control panel or a touch panel that can be operated by touching the screen. Because both of these systems require direct contact with the buttons or screen to operate, there have been hygiene concerns regarding touching buttons that have been touched by others, especially in devices operated by an unspecified number of people. These hygiene concerns have become particularly acute due to the recent spread of viral infections. For this reason, at apartment complex entrances where many people, including visitors and returning residents, enter and exit, the caretaker must disinfect the control panel with alcohol or other disinfectants every few hours, placing a significant burden on the caretaker, who also has other responsibilities. Additionally, some systems keep containers of disinfectant alcohol near the apartment complex entrances to encourage visitors to disinfect their hands before operating them. However, during times when many people enter and exit in a short period of time, disinfectant alcohol can run out, making hygiene concerns difficult to completely eliminate, and maintaining this system is also a burden.

In response to this situation, contactless input devices have been proposed that allow data to be entered without directly touching the input operation panel. For apartment complex intercom systems, the above problems could be solved by incorporating such contactless input devices into the collective entrance unit, thereby developing a new collective entrance unit that can be operated without touching any buttons. However, developing and manufacturing a new collective entrance unit incorporating such contactless input devices requires significant costs, and installing one in an apartment complex involves discarding the existing collective entrance unit, which is still fully operational, and installing a new one, which is wasteful. Furthermore, installing and renovating a new collective entrance unit requires extensive construction work, which also requires significant costs.

In light of these problems, the present invention aims to provide an apartment building intercom system that allows contactless input operations without the need to directly touch the device, with only the minimum necessary modifications to existing intercom systems.

To solve the above-mentioned problems, the apartment building intercom system of the present invention comprises a collective entrance unit that has the calling/talking functions and door unlocking functions of a room master unit installed in a living room, and a non-contact input device that is connected to the collective entrance unit in a state where data can be sent and received between them and that allows data to be input without directly touching the input buttons. The collective entrance unit has a reception control unit that executes predetermined control processing based on data received from the non-contact input device. The non-contact input device has a display unit that displays input screens corresponding to multiple operation modes, a detection unit that detects the operation position of a detectable object on the input screen of the display unit, and a judgment unit that determines the operation content corresponding to the operation position detected by the detection unit. The judgment unit generates command data by adding a parameter indicating the operation mode when the operation was performed to the data of the determined operation content and transmits it to the collective entrance unit. The reception control unit executes the predetermined control processing based on the command data received from the non-contact input device. With this configuration, while most of the existing collective entrance machine can be used as is, a non-contact input device can be connected and operated by adding a reception control unit to the collective entrance machine that outputs the output data of the non-contact input device in a format that corresponds to the processing format of the calculation processing unit of the collective entrance machine. This eliminates the need for major renovation work and allows the existing collective entrance machine to be used as is with only minimal renovations, enabling operation via non-contact input.

In another embodiment of the apartment building intercom system of the present invention, the non-contact input device has a unique ID, and command data exchanged between the collective entrance unit and the non-contact input device includes the ID of the non-contact input device. The collective entrance unit has a memory unit for storing the IDs of communication partners authorized to connect, and the reception control unit of the collective entrance unit can be configured to identify whether the ID included in the received command data is the ID of a communication partner stored in the memory unit. This configuration allows the non-contact input device connected to the collective entrance unit to be identified as an authorized non-contact input device before control processing is performed, preventing takeover operations using command data sent from unauthorized input devices and improving safety for operations requiring high security, such as unlocking.

In another embodiment of the apartment building intercom system of the present invention, in the above configuration, the non-contact input device can also be configured to include a spatial projection device that projects the contents of the input screen of the display unit into space as a spatially projected image. With this configuration, input operations can be performed using the spatial image projected into space by the non-contact input device. Therefore, compared to non-contact input devices that sense the approach of fingers to a physical operation unit, the operator will not misjudge the distance and end up touching the physical operation unit, thereby ensuring greater hygiene and safety.

According to the present invention, a non-contact input device can be incorporated into an existing intercom system without incurring significant costs, making it possible to operate the intercom without directly touching the operation screen while still using the existing intercom system, thereby improving hygiene as a measure against infectious diseases without requiring major renovation work.

1 is a block diagram showing an example of an apartment building intercom system according to an embodiment of the present invention;

One embodiment of the present invention will now be described in detail with reference to the drawings. Figure 1 is a block diagram showing an example of an apartment building intercom system according to the present invention, in which 1 is a collective entrance unit that visitors use to call residents and perform other operations; 2 is a non-contact input device that can be used as the operating unit of the collective entrance unit without directly touching the input buttons; 3 is a room master unit that responds to calls from the collective entrance unit 1; 4 is a controller that controls communication between devices such as the collective entrance unit 1 and the room master unit 3; and 5 is an automatic door installed between the entrance to the apartment building and the living area. The automatic door is equipped with an electric lock (not shown) that allows only limited personnel to enter the living area. Note that while Figure 1 shows a case in which the automatic door 5 is connected to the controller 4, the automatic door 5 may also be configured to be connected to the collective entrance unit 1.

The collective entrance unit 1 is connected to the non-contact input device 2 via transmission line L1, which is further connected to the control unit 4 via transmission line L2. The room master unit 3 is connected to the control unit 4 via the master unit trunk line L3. The electric lock (not shown) of the automatic door 5 is also connected to the control unit 4 via a transmission line. Some existing collective entrance units are permanently equipped with a LAN port terminal for connecting a maintenance computer, etc. Since this LAN port is only used during maintenance, the collective entrance unit 1 and the non-contact input device 2 can be connected via a LAN cable using this LAN port, eliminating the need to add a new connection terminal. By connecting a hub to the LAN cable connection, the maintenance terminal can be maintained as before. A standard LAN cable can be used for the connection; for example, a CAT5e cable is preferable.

As shown in Figure 1, the collective entrance device 1 includes an operation unit 11 that allows visitors to select the residence and call the resident; a call unit 12 equipped with a microphone and speaker (not shown); a display unit 13 that displays the entered residence number information and a message for the visitor or the person returning home; a camera 14 that captures images of the visitor; a motion sensor 15 that detects the approach of a visitor and lights up the display screen; a collective entrance device CPU 16 that controls the collective entrance device 1; a memory unit 17 that stores an identification ID for identifying the non-contact input device 2 connected to the collective entrance device 1; a reception control unit 18 that analyzes command data sent from the non-contact input device 2 and passes the corresponding control command for the collective entrance device 1 to the collective entrance device CPU 16; and a collective entrance device I/F 19 that communicates with the non-contact input device 2 and the control device 4.

The non-contact input device 2 has a display unit 21 on which input buttons and an input screen for messages to visitors, etc. are projected, and a detection unit 22 that detects which position on the screen projected on the display unit 21 the visitor operates. This allows the visitor to operate the device in the same way as with normal contact-type buttons, without directly touching the input button, by detecting which button displayed on the screen the visitor intends to operate. The non-contact input device 2 also has a memory unit 23 that stores a unique identification ID that identifies itself, a determination unit 24 that controls the non-contact input device 2 and generates command data to be sent to the collective entrance unit 1 from the operation content detected by the detection unit 22, and an input/output device I/F 25 that communicates with the collective entrance unit 1.

The non-contact input device 2 of the present invention is not particularly limited, and any type can be used as long as it can sense the operator's movements in the air and activate a specified function. Representative types of non-contact input devices include the following. For example, representative display types include a type that uses a physical display screen (such as a liquid crystal panel or organic EL panel) and performs hover input (gesture input) while a finger is held in the air, for example, 30 to 50 mm from the display screen, and a so-called air display type in which the physical display screen is hidden from the operator and the contents of the display screen are projected into space as a spatially projected image. Sensor types include those that use infrared or laser light to measure position and movement from the reflected light of a finger or wad, those that analyze position and movement from images captured by a camera, and those that measure position and movement by detecting changes in electrostatic capacitance between the operating finger or wad and a sensor located on the panel. Various non-contact input devices have been proposed that combine these displays and sensors.

While the electrostatic capacitance type mentioned above is a typical hover input type, there is also a known system in which a holographic film with an image recorded on it is placed on the display of an information terminal, and light from a point light source such as an LED is shone on it, causing the image to appear in space away from the film. In this system, position and movement are measured using one of the three-dimensional distance sensors mentioned above. A typical aerial display system uses a retroreflective material to form an image in space. This type of display system uses an optical system consisting of a light source (display), retroreflective material, and beam splitter to re-image the light displayed on the display in the air, causing the image to appear in space. The principle is that light from the display first reflects normally off the beam splitter and travels to the retroreflective material. The light then retroreflects off the retroreflective material in the same direction as it entered, traveling back to the beam splitter. The light that passes through the beam splitter converges and then diffuses again, forming an image in space. With an aerial display, all of these components are contained within the device's housing, so the operator is unaware of the presence of the display and can operate it by recognizing only the image projected in space. Because an aerial display projects the image at a distance from the physical display, sensors that detect changes in capacitance are not used, and position and movement are measured using one of the three-dimensional distance sensors mentioned above. With such aerial displays, there is no physical monitor directly behind the projected image, so compared to hover input types, there is no risk of misjudging the distance and accidentally touching the physical monitor when operating, which has the advantage of being more hygienic and safe.

Although not shown, the room master unit 3 is equipped with a call unit equipped with a microphone and speaker for communicating with visitors through the call unit 12 of the collective entrance unit 1, a display unit for displaying images captured by the camera 14 of the collective entrance unit 1 and various information, and an operation unit for answering calls and performing setting operations.

The controller 4 includes a memory unit (not shown) that stores the relationship between the apartment number and the room master unit 3, a collective entrance unit communication IF that communicates with the collective entrance unit 1, a room master unit communication IF that communicates with the room master unit 2, an automatic door communication IF that controls the unlocking/locking of the electric lock 5a of the automatic door 5, and a controller CPU that controls the controller 4.

The operation of the apartment complex intercom system configured as described above will be explained below. However, explanations will be omitted for conventional operations such as operating the collective entrance unit 1 to call a resident, answering the call from the room master unit 2, and activating the camera 14 in response to the call operation and displaying it on the room master unit 3. Instead, the explanation will focus on the operation of a visitor calling a resident by operating the collective entrance unit 1 and non-contact input device 2 without directly touching them, and the operation of a resident who has returned home unlocking the automatic door 5 and proceeding to their living area, similarly without directly touching the input button.

When the human presence sensor 15, which detects the approach of a person using infrared or other means, detects that a visitor has approached the collective entrance unit 1, the display unit 13 of the collective entrance unit 1 begins to light up. At the same time, the detection signal from the human presence sensor 15 is also sent via the reception control unit 18 to the judgment unit 24 of the non-contact input device 2, causing the display unit 21 of the non-contact input device 2 to begin lighting up, and the initial screen, the input standby screen, is displayed. This input standby screen displays buttons, such as "Call," "Unlock," and "Authenticate," that the visitor can use to select the next operation and transition to each operation mode. If the visitor selects "Call," the system transitions to the <Call> operation mode, in which the visitor can specify the room number and call the resident. If the resident returns home and selects "Unlock," the system transitions to the <Unlock> operation mode, in which the PIN code is entered to open the automatic door 5 leading to the residential area. "Authenticate" transitions to the <Authentication> operation mode, in which the PIN code is entered to operate the delivery box (not shown) or to confirm a notification identifying the resident. Each operation mode is explained below.

First, we will explain the case where a visitor calls a resident. When the detection unit 22 detects that the visitor has pressed the "Call" button displayed on the standby screen of the non-contact input device 2, the judgment unit 24 transitions to the <Call> operation mode and displays the <Call> mode screen on the display unit 21. For convenience, the following description uses expressions such as "press a button." This means that the operator "presses a button" and the detection unit 22 of the non-contact input device 2 identifies the button the operator intended to press. It goes without saying that the actual operation is performed without physical contact. The <Call> mode screen displays buttons such as a numeric keypad, "Confirm," and "Correct." A message guiding the operation, such as "Please press the room number to call," may also be displayed on the screen. The visitor then uses the numeric keypad to specify the room number of the visitor's destination and presses the Confirm button to complete the call destination selection. The room number specified by the visitor is identified by detection unit 22 and sent to determination unit 24. Determination unit 24 adds a parameter indicating the operation mode at the time of input, in this case, "call" mode, to the identified room number to create command data, which is sent to collective entrance unit 1 via input device I/F 25. For example, if the room number to be called is 101, the visitor specifies the call destination by pressing "1," "0," and "1" on the numeric keypad, followed by the "Confirm" button. Determination unit 24 of non-contact input device 2 adds the parameter "Y," indicating "call" mode, to the data sent from detection unit 22 to create command data "101Y," which is sent to collective entrance unit 1.

Then, upon receiving the command data "101Y," the reception control unit 18 of the collective entrance unit 1 determines the parameter "Y" and sends the same signal to the collective entrance unit CPU 16 as when room number "101" is specified in the <Call> mode on the operation unit 11 of the collective entrance unit 1. This process executes the same control process as when room 101 is called by physically operating the operation unit 11 of the collective entrance unit 1, i.e., the process of calling the room master unit 3 for room 101 via the control unit 4.

When the call is received, the room master unit 3 in Room 101 responds, and upon receiving this signal, the collective entrance unit 1 and non-contact input device 2 transition to <call> mode. The display unit 21 of the non-contact input device 2 indicates that a <call> is in progress, and an "End call" button is displayed. In <call> mode, the call between the visitor and the resident can be conducted through a microphone and speaker (neither shown) connected to the call unit 12 of the collective entrance unit 1. The call is then ended when the "End call" button is pressed on either the room master unit 3 or the non-contact input device 2, or when a timeout process is performed after a certain period of time has elapsed by a timer built into the control unit 4. When the call ends, the judgment unit 24 of the non-contact input device 2 switches the screen on the display unit 21 to the initial screen, which is the input standby screen.

Next, we will explain what happens when a resident returns home. Note that explanations of parts that are similar to the above <Call> operation mode will be omitted where appropriate. The process is the same as above until the resident who has returned home approaches the collective entrance unit 1 and the input standby screen is displayed on the display unit 21 of the non-contact input device 2. When the detection unit 22 detects that the resident has pressed the "Unlock" button displayed on the standby screen of the non-contact input device 2 to open the automatic door separating the entrance and living area, the judgment unit 24 transitions to the <Unlock> operation mode and displays the <Unlock> mode screen on the display unit 21. The <Unlock> mode screen displays, for example, a numeric keypad and buttons such as "Confirm" and "Correct." At this time, a message guiding the operation, such as "Please enter your PIN number," may also be displayed on the screen.

The resident then enters a PIN number using the numeric keypad and presses the Confirm button to complete the unlock command. The entered PIN number is identified by the detection unit 22 and sent to the determination unit 24. The determination unit 24 then adds a parameter indicating the operation mode at the time the number was entered -- in this case, "unlock" mode -- to the identified PIN number to create command data, which is then sent to the collective entrance unit 1 via the input device I/F 25. For example, if the PIN number is 1234, the visitor enters the PIN number by pressing "1," "2," "3," and "4" on the numeric keypad and then pressing the Confirm button. The determination unit 24 of the non-contact input device 2 adds the parameter "K," indicating "unlock" mode, to the data sent from the detection unit 22 to create command data "1234K," which is then sent to the collective entrance unit 1.

Upon receiving the command data "1234K," the reception control unit 18 of the collective entrance unit 1 interprets the parameter "K" and, in the <Unlock> mode, transmits to the collective entrance unit CPU 16 the same signal as when the PIN "1234" is entered by physically operating the operation unit 11 of the collective entrance unit 1. This results in the same control processing as when the unlock PIN is entered using the operation unit 11 of the collective entrance unit 1, i.e., unlocking of the electronic lock attached to the automatic door 5 via the control unit 4. After this, a signal indicating that unlocking has been completed may be sent from the control unit 4 to the judgment unit 24 of the non-contact input device 2 via the collective entrance unit 1, thereby terminating the <Unlock> operation mode and returning the display on the display unit 21 to the initial input standby screen. Alternatively, the <Unlock> operation mode may be terminated when the human presence sensor 15 of the collective entrance unit 1 detects the absence of the operator (resident), or when a timeout process is performed after a certain period of time has elapsed using a timer built into the control unit 4. This can be designed in the same way for all operation modes, not just unlocking.

Next, the <Authentication> operation mode will be described. This operation mode can be used, for example, to operate a delivery box. An example embodiment is shown below. When a resident returns home and selects the <Unlock> operation mode and enters their personal identification number to unlock the delivery box, a message informing the resident of the arrival of a package is displayed on the display unit 21 of the non-contact input device 2 and the display unit 13 of the collective entrance unit 1, using, for example, the technology disclosed in Patent No. 4638751. At the same time, the system switches to the <Authentication> operation mode, and the judgment unit 24 of the non-contact input device 2 displays "Receive" and "Cancel" buttons on the display unit 21. If the resident selects "Receive," the operation is identified by the detection unit 22, and the judgment unit 24 displays buttons such as the numeric keypad, "Confirm," and "Correct" on the display unit 21. When the resident enters and confirms the PIN for the delivery box, the judgment unit 24 creates command data that adds the parameter "U," indicating receipt, to the PIN for the delivery box and transmits it to the reception control unit 18 of the collective entrance unit 1. The reception control unit 18 determines the parameter "U" and sends the same signal to the collective entrance unit CPU 16 as when a PIN number for the delivery box is specified by physically operating the operation unit 11 of the collective entrance unit 1 in <Receive> mode. This causes the same control processing as when a PIN number for the delivery box is specified on the operation unit 11 of the collective entrance unit 1, i.e., unlocking the delivery box via the control unit 4, to be performed.

If the detection unit 22 determines that the resident has selected "Cancel" in the above-mentioned <Authentication> operation mode, the judgment unit 24 can immediately return to the <Unlock> operation mode to continue unlocking control. In other cases, the <Authentication> operation mode can be terminated when the resident's PIN code for the delivery box is confirmed, or by the control unit 4 returning a signal indicating that the delivery box has been unlocked. The display unit 21 of the non-contact input device 2 can be configured to return to the initial input standby screen upon termination of the <Authentication> operation mode, or to return to the <Unlock> operation mode and have the resident select "Confirm" again to unlock the electronic lock on the automatic door 5. In this case, the previously entered PIN code for the delivery box can be stored in the memory unit 23 of the non-contact input device 2, thereby eliminating the need to enter the PIN code again. In this way, the timing for unlocking the delivery box and the automatic door 5 can be flexibly designed, taking into account factors such as the flow of people, which is determined by the individual structure of the apartment building in which the intercom system of the present invention is installed.

Next, we will explain an example of an embodiment in which a delivery person makes an unattended delivery using a delivery box. The delivery person presses the "Authentication" button on the input standby screen of the non-contact input device 2 to enter the <Authentication> operation mode, and buttons such as a numeric keypad, "Delivery," and "Cancel" are displayed on the display unit 21. If "Delivery" is selected, a corresponding signal can be sent to the control unit 4 using the same operations as described above, allowing the delivery person to use the delivery box using the same conventional procedure. Note that the <Authentication> operation mode display screen can be configured to differ depending on whether the resident returns home and then goes directly to the <Authentication> operation mode via the <Unlock> operation mode, as described above, or whether the resident goes directly to the <Authentication> operation mode without going through the <Unlock> operation mode. If the "Delivery" button is not displayed when the <Authentication> operation mode is entered via the <Unlock> operation mode, operation is simplified and convenient for both the delivery person and the resident.

This <Authentication> operation mode can also be used to confirm individual notifications specific to a resident. If a message is simply displayed to each resident for each room number, similar to the message notifying the delivery box of a package arrival, it is possible to display a notification for each room on the display units 13 and 21 of the collective entrance device 1 and the non-contact input device 2 by confirming the unlocking PIN in <Unlock> mode. However, similar to the delivery reception operation described above, by configuring the system to automatically switch from <Unlock> mode to <Authentication> mode in response to the confirmed unlocking PIN, it is also possible to display a message specific to each resident living in the same room. In other words, if a notification is required for any of the residents with the room number corresponding to the confirmed unlocking PIN, the system can automatically switch to <Authentication> mode and prompt them to enter their specific PIN, allowing the notification to be sent to that person. The control of the operation in this case can be configured in the same way as the operations described above.

So far, we have explained each operation when operating the apartment complex intercom system of the present invention. However, by adding the following configuration to the above configuration, it is possible to prevent the replacement of contactless input devices and improve security. Specifically, it is preferable to pre-assign a unique ID to each contactless input device 2 connected to the collective entrance unit 1 to identify the individual device, and to authenticate that the contactless input device 2 that sent input data is a device authorized for connection during transmission and reception between the collective entrance unit 1 and the contactless input device 2. An example of an embodiment related to this is described in detail below. When setting up the intercom system of the present invention, a unique ID is assigned to each contactless input device 2 authorized for connection with the collective entrance unit 1. The IDs of the contactless input devices 2 authorized for connection are then pre-stored in the memory unit 17 of the collective entrance unit 1. In each of the operation modes described above, the judgment unit 24 of the contactless input device 2 creates command data to be sent to the collective entrance unit, including the ID of the contactless input device 2. For example, in the above-described <Call> mode, the command data "101Y" is generated by adding the <Call> mode parameter "Y" to the room number 101 to be called. However, the command data can also be generated by further adding the ID of the non-contact input device 2, e.g., "-ID-ABCD," to the command data, resulting in "101Y-ID-ABCD." When the command data contains ID data, the reception control unit 18 of the collective entrance unit 1 checks it against the ID data stored in the memory unit 17 of the collective entrance unit 1 via the collective entrance unit CPU 16. If the check determines that the transmitted command data was transmitted from a non-contact input device 2 that is permitted to connect, the reception control unit 18 sends the same signal to the collective entrance unit CPU 16 as when the <Call> room number "101" is specified on the operation unit 11 of the collective entrance unit 1, as usual, thereby calling the room master unit 3 of room 101 via the control unit 4.

If the reception control unit 18 of the collective entrance device 1 compares the ID data contained in the command data and determines that the IDs do not match and that the received command data was not sent from an input device that is authorized to connect, the reception control unit 18 stops further processing. As a result, no control signal is sent to the collective entrance device CPU 16, and no call is made. When the reception control unit 18 stops processing, it may return an error signal to the non-contact input device 2, causing an error message to be displayed on the display unit 21 via the judgment unit 24 of the non-contact input device 2. With the above configuration, it is possible to prevent important security operations such as "calling" and "unlocking" from being performed from other input devices that are not authorized to connect to the intercom system.

In this example, the ID of the non-contact input device 2 is transmitted as part of the command data, and ID authentication is performed when the collective entrance device 1 processes the command data; however, it goes without saying that the timing of ID authentication is not limited to this. For example, to avoid cumbersome processing, ID authentication may be limited to only processes that require extremely high security, such as <unlock>, and ID authentication may be performed by the reception control unit 18 of the collective entrance device 1 instructing the judgment unit 24 of the non-contact input device 2 to transmit the ID only when the reception control unit 18 determines that the command data contains the <unlock> parameter.

REFERENCE SIGNS LIST 1 Collective entrance device 11 Operation unit 12 Communication unit 13 Display unit 14 Camera 15 Human presence sensor 16 Collective entrance device CPU
17 Memory unit 18 Reception control unit 19 Collective entrance device I/F
2. non-contact input device;
21 Display unit 22 Detection unit 23 Storage unit 24 Determination unit 25 Input device I/F
3. Room master unit 4. Control unit 5. Automatic door

Claims (3)

An existing collective entrance unit that has the calling and conversation function of the room master unit installed in the room and the door unlocking function,
An apartment building intercom system having a non-contact input device that is newly connected to the existing apartment entrance device in a state where data can be transmitted and received between the existing apartment entrance device and the non-contact input device, and that can input data without directly touching an input button,
The collective entrance machine is
a reception control unit for executing a predetermined control process based on data received from the non-contact input device;
The non-contact input device is
a display unit that displays an input screen corresponding to each of a plurality of operation modes;
a detection unit that detects an operation position by a detection target on an input screen of the display unit;
a determination unit that determines the operation content corresponding to the operation position detected by the detection unit,
The determination unit
generating command data by adding a parameter indicating the operation mode displayed on the display unit when the detection unit identifies the operation content to the data of the determined operation content, and transmitting the command data to the collective entrance device;
The reception control unit
An intercom system for an apartment building, characterized in that a predetermined control process is executed based on the command data received from the non-contact input device. a collective entrance unit having a calling/talking function of the room master unit and a door unlocking function, which is installed in the room;
a non-contact input device that is connected to the collective entrance device in a state where data can be transmitted and received mutually and that allows data to be input without directly touching the input button;
An apartment building intercom system having:
The collective entrance machine is
a reception control unit for executing a predetermined control process based on data received from the non-contact input device;
The non-contact input device is
a display unit that displays an input screen corresponding to each of a plurality of operation modes;
a detection unit that detects an operation position by a detection target on an input screen of the display unit;
a determination unit that determines the operation content corresponding to the operation position detected by the detection unit,
The determination unit
generating command data by adding a parameter indicating the operation mode displayed on the display unit when the detection unit identifies the operation content to the data of the determined operation content, and transmitting the command data to the collective entrance device;
The reception control unit
Executes a predetermined control process based on the command data received from the non-contact input device, and
the non-contact input device has a unique ID;
The command data transmitted and received between the collective entrance device and the non-contact input device includes the ID of the non-contact input device,
The collective entrance device has a storage unit for storing the ID of a communication partner that is permitted to connect,
An intercom system for an apartment building, characterized in that the reception control unit of the apartment entrance device identifies whether or not the ID included in the received command data is the ID of the communication partner stored in the memory unit. The non-contact input device is
3. The intercom system for an apartment building according to claim 1, further comprising a space projection device for projecting the contents of the input screen of said display unit into space as a spatial projection image.