JP2002354132A - Inter-room contact device and house information panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inter-room contact device that a slave unit informs of the call confirmed by the master unit when a call made by the slave unit of the inter-room contact device. SOLUTION: A self-hold pushbutton 13 provided to the slave unit 10 and a call display section 11 receiving and displaying a confirmation signal from a master unit 20 are connected by two wires, and the call display section 11 provided to the master unit 20 blinks a transmission operation of a call signal from the slave unit 10 so as to inform a user about the response to the transmission operation by blinking.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inter-room communication device, and more particularly, to a communication operation unit having a normally open switch and a reception response unit for receiving and responding to a signal from the communication operation unit.
The present invention relates to an inter-room communication device connected by a line.

[0002]

2. Description of the Related Art Conventionally, there is an inter-room communication device as a device for communicating between rooms in a house or between an entrance and a house. This inter-room communication device is composed of a plurality of slave units provided in each room or entrance of a house, and a house information panel serving as a master unit communicating with the slave units, and the master unit is called by the slave unit. Communication is performed by responding. The plurality of slave units include a door phone slave unit with a camera attached to the entrance of the house, a push button type call push button attached to each room, and the like. Using a camera, a microphone, and a speaker provided in the handset, a TV screen, a microphone, and a speaker also provided in the base unit take a picture of a visitor who operates the doorphone handset and make a voice call. When the push button for call is operated,
The fact that the call push button has been pressed is notified as a call display. When the main unit confirms that there is a call display from the call push button serving as a child unit, the call display can be hidden by operating the confirmation button provided on the main unit.

[0003] However, in the case of a call push button in such an inter-room communication device, the master unit can confirm the call from the slave unit and take necessary measures.
The child device cannot confirm whether or not a call is being made in the parent device. For this reason, the person who made the call on the child device side, whether the call was made on the parent device side,
Further, it is not known whether or not it has been confirmed, and the user may feel uneasy until a person who is actually at the master unit comes to the slave unit.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to allow a master unit to respond to a call made by a slave unit of an inter-room communication device. It is an object of the present invention to provide an inter-room communication device capable of notifying, on the slave device side, that a call has been confirmed.

[0005]

In order to achieve the above-mentioned object, an inter-room communication device according to the present invention has the following arrangement. That is, according to the first aspect of the present invention, an inter-room communication device in which a communication operation unit having a normally-open switch and a reception response unit that receives and responds to a call signal from the communication operation unit are connected by two wires. A notification operation means provided in the communication operation unit, wherein the reception response unit notifies the notification unit that the call signal has been transmitted, and a response from the reception response unit to the transmission operation. The second state to be notified is output.

According to a second aspect of the present invention, the notifying means is a lighting display unit, and the first state and the second state are changed in the lighting state of the lighting display unit.

According to a third aspect of the present invention, the notification unit is a sounding unit, and the first state and the second state are changes in the sounding state of the sounding unit.

[0010] According to a fourth aspect of the present invention, a reception response section of the inter-room communication device according to any one of the first to third aspects is incorporated.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of an inter-room communication device according to the present invention will be described below with reference to FIG. In the present embodiment, as shown in FIG. 1, the slave unit 10 as a communication operation unit includes a normally-open switch, but the normally-open switch usually includes a normally-open switch. In a state in which the circuit is not electrically connected, that is, normally, only when the normally-open switch is operated instead of the closed circuit, an electrically closed circuit is formed and operates as an electric circuit.
The normally open type switch has a self-holding push button 13 for holding the pressed state when pressed, and a call display provided with an LED light emitting element (not shown) as a lighting display unit serving as a notification means. The display unit 11 includes a unit 11 and a display control unit 12 that lights the call display unit 11 with a voltage applied from the base unit 20.

When the push button 13 is depressed in order to transmit a call signal as an originating operation, two wires connecting the master unit 20 and the slave unit 10 are configured as a closed circuit. Further, since the voltage applied to the closed circuit is changed by the response of the base unit 20 to the transmission operation, the display control unit 12 which detects the voltage change causes the display of the call display unit 11 to change. The pattern is changed. As the display pattern, in a first state in which a call signal as a transmission operation is transmitted and a response from the base unit 20 is waited, the display on the call display unit 11 is made to blink, and the parent to the transmission operation is displayed. In the second state in which the response from the device 20 has been received, the display is lit.

As shown in FIG. 2, the configuration of master unit 20 includes a CPU that receives a call signal from slave unit 10 and performs processing such as changing the application of voltage to slave unit 10. Unit 21, a speaker 27 that emits a beep sound or the like, an acoustic circuit unit 26 that converts a signal from the CPU unit 21 into a signal suitable for the speaker 27,
A power supply unit 28 for supplying drive power to the master device 20 from the outside,
A confirmation display unit 25 for displaying that there is a call from the handset 10, a call detection unit 22 for detecting a call from the handset 10, and a call display control unit 23 for controlling a voltage applied to the handset 10. , Is provided.

Next, the operation of the inter-room communication device shown in FIG. 3 and comprised of the master unit 20 and the slave unit 10 built in the house information panel 30 will be described below with reference to FIG. FIGS. 4A and 4B show the operation timings of the push button 13 and the call display unit 11 in the slave unit.
4C to 4F respectively show the operation timing of the confirmation display unit 25, the speaker 27, and the response button 24 in the master unit, and the voltage applied to the signal line Ls.

If none of the push buttons 13 of the plurality of slave units 10 are pressed, no closed circuit is formed between the master unit 20 and any of the slave units 10. Therefore, the calling display is displayed on the confirmation display unit 25 of the master unit 20. Has not been done. Here, in one of the plurality of slave units 10, FIG.
When the push button 13 is pressed as shown in (a), a closed circuit is formed by only one slave unit 10 and the master unit 20 among the master unit 20 and the plurality of slave units 10, and the call display unit 11 blinks. . This is because the other child device 10 and the parent device 20 do not form a closed circuit,
Becomes only one at a time, and the child device 10 and the parent device 20
Since one closed circuit is configured, as shown in FIG. 4 (f), the call display control unit 23 of the base unit 20 applies a predetermined voltage of 12V to the signal line of the closed circuit, thereby obtaining the signal shown in FIG.
As shown in (b), the display control unit 12 controls the call display unit 1
This is for blinking one LED light emitting element.

At this time, the speaker 27 is
, Indicating that there is a call from the slave unit, and blinking display by the LED light emitting element (not shown) in the confirmation display unit 25. Then, FIG.
When the response button 24 provided on the base unit 20 is pressed, the CPU unit 21 detects that the response button 24 is pressed, and the call display control unit 23 instructs the CPU unit 21 to call the call detection unit 2.
As shown in FIG. 4F, a signal is transmitted to the CPU unit 21 so as to change the voltage applied by the second unit 2. FIG. 4 (f)
As shown in the figure, the voltage applied to the signal line of the closed circuit is 12
By changing from V to 6 V, as shown in FIG. 4B, the display control unit 12 changes the display of the call display unit 11 from blinking to lighting, and stops the alarm sound emitted from the speaker 27. Let it. Thereby, it becomes possible for the slave unit 10 to notify that the master unit 20 has confirmed the call. When the self-holding type push button is restored as shown in FIG. 4A, the blinking display of the confirmation display unit 25 of the master unit 20 is turned off as shown in FIG.
As shown in FIG. 4B, the lighting display of the calling display unit 11 of the slave 10 is also turned off.

Further, as shown in FIG. 5, the notification means is a sounding unit 14 which is a sounding unit such as a buzzer or the like, and a first state of waiting for a call confirmation from the base unit 20 and a call confirmation are performed. The sound may be notified by sounding so that the sound control unit 15 controls the sounding pattern of the buzzer differently from the second state, which is the second state. The operation of the inter-room communication device in this case is the same as that shown in FIG.

According to the present embodiment, it is possible to notify that the parent device has confirmed the call in response to the call made on the child device side.

Although the preferred embodiment of the present invention has been described above, the present invention is not limited to this embodiment but can be implemented in various forms.

[0018]

As described above, the inter-room communication device according to the first aspect of the present invention is provided with the normally open switch having the notification means in the communication operation unit. Since the reception response unit notifies the communication operation unit that the call has been confirmed, the response of the master unit to the call can be confirmed.

According to the inter-room communication device according to the second aspect, in addition to the effect of the first aspect, since the display unit is provided as the notification means, it is easy to visually recognize.

According to the inter-room communication device according to the third aspect, in addition to the effect of the first aspect, since the sounding section is provided as the notification means, it is easy to recognize audibly.

According to the inter-room communication device according to the fourth aspect, since the inter-room communication device is provided on the house information panel, it is not necessary to prepare a new device.

[Brief description of the drawings]

FIG. 1 is a diagram showing a slave unit in an embodiment of an inter-room communication device according to the present invention.

FIG. 2 is an overall view of a master unit related to the inter-room communication device.

FIG. 3 is a diagram showing an overall configuration of a house information panel provided with the inter-room communication device.

FIG. 4 is a diagram showing operation timings related to the inter-room communication device.

FIG. 5 is a view showing a slave unit according to another embodiment of the inter-room communication device.

[Explanation of symbols]

 Reference Signs List 10 slave unit 11 call display unit 12 display control unit 13 push button 14 sounding unit 15 sounding control unit 20 base unit

Claims (4)

[Claims] 1. A communication operation unit having a normally open switch,
An inter-room communication device in which a reception response unit that receives and responds to a signal from the communication operation unit is connected by two wires, and a notification unit is provided in the communication operation unit, and the reception response unit is connected to the notification unit. An inter-room communication device configured to output a first state for notifying a transmission operation of the signal and a second state for notifying a response to the transmission operation. 2. The inter-room communication device according to claim 1, wherein the notifying unit is a lighting display unit, and the first state and the second state are changes in a lighting state of the lighting display unit. 3. The inter-room communication device according to claim 1, wherein the notification unit is a sounding unit, and the first state and the second state are changes in the sounding state of the sounding unit. 4. A house information panel comprising a reception response unit of the inter-room communication device according to claim 1. Description: