JP2002290590A - Intercom slave device with camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of wirings. SOLUTION: This intercom slave device 1 with a camera is connected through two vide lines (M1-M2) and two speech lines (I--) to an interphone master device, and an alarm indicating lamp 16 and a position indicating lamp 17 are controlled, according to a control command transmitted, so as to be superimposed on the video lines (M1-M2).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera-equipped door phone slave unit connected to an intercom master unit and provided with an alarm indicator and a position indicator.

[0002]

BACKGROUND ART FIG. 9 shows an example of a configuration of a conventional camera-equipped intercom slave unit for apartment dwelling to a block diagram.
The doorphone slave 100 is an intercom master (not shown).
Two video lines (M1-M2), a communication line (I),
Common line (-) and an alarm indicator control lines and (F), are connected via the position indicator control line (L).

[0003] In the figure, 110 is a camera unit for photographing an image, such as a gateway, the camera power supply circuit supplies power to the camera unit 110 111, 112 receive power from the intercom master unit receiving circuit, 113 is a video Video circuit with amplifier and FM modulation function, 114 is a calling circuit, 115
The intercom circuit, 116 an alarm indicator, 117 is a position indicator.

[0004] After transmitting the call signal from the calling circuit 114, since the camera power and intercom circuit power from the intercom master unit which detects this is supplied, the video signal taken by the camera unit 110, video lines (M1-M2) it can be sent to the intercom master unit side through the. Then, when the intercom master unit answers the call, the doorphone circuit 115 connects the microphone M via the communication line (I-).
A call using the IC and the speaker SP becomes possible.

[0005] Upon detecting a fire or the like, the intercom master unit sends out an alarm sound via a communication line (I-) and an alarm indicator light 116 via an alarm indicator light control line (F).
Flashes. On the other hand, the position indicating lamp 117 is always lit through the position indicating lamp control line (L), and is turned off when disconnection of the gas detector is detected.

[0006] These functions are operated by the backup power supply even in the event of a power failure, by backing up the intercom master unit and the like.

[0007] FIG. 10 shows a configuration of a camera-equipped intercom slave unit 200 for detached. In the figure, 210
Reference numeral denotes a camera unit that captures an image of an entrance or the like, 211 denotes a camera power supply circuit that supplies power to the camera unit 210, 212 denotes a power receiving circuit that receives power supply from the intercom master unit,
13 is a video circuit provided with a video amplifier, 214 is a calling circuit, 215 is a demodulation circuit provided with a speaker SP, 216
Is a modulation circuit having a microphone MIC, 217 is an alarm indicator, and 218 is a position indicator.

As shown in FIG. 11, during standby, F1-F
The position indicator 218 is turned on by two voltages (6 V). During normal operation, the power supply of the M1-M2, the camera unit 210 is operated, it can call the FM superimposed speech signal. Then, when an alarm condition, M1-M2
Alarm sound, the F1-F2 voltage is set higher than the standby voltage (12 V), and the alarm indicator light 2
17 the lighting makes (flashing).

[0009]

[SUMMARY OF THE INVENTION However, in the intercom slave unit with the conventional camera, video lines of two-wire, two-wire telephone call line, the warning indicator control lines, and a total of 6 lines required position indicator control line Yes, the construction work was troublesome. In addition, doorphone slaves without cameras (4
Line) was difficult to replace.

[0010] Further, in a doorphone slave unit for a detached house, it is not possible to control ON / OFF of the position indicating lamp independently.

[0011] The present invention has been made in view of such circumstances, and its object is to provide a less the camera-equipped intercom slave unit the number of wires.

[0012]

To achieve the above object, according to the Invention The camera-equipped intercom slave unit according to claim 1 of the present invention, the intercom master unit, and the video line of the two-wire, two-wire telephone call line a camera-equipped intercom slave unit connected by the, by the control command transmitted is superimposed on the video line, and performs control of the position indicator and alarm indicator.

A doorphone slave unit with a camera according to a second aspect of the present invention is a doorphone slave unit with a camera connected to an intercom master unit by two video lines and two communication lines, and is connected to the video line. The power supply of the camera is controlled by a control command superimposed and transmitted.

A doorphone slave unit with a camera according to a third aspect of the present invention is a doorphone slave unit with a camera connected to the intercom master unit by a video line, a communication line, a common line, and a command line. a control command transmitted from, and performs control of the position indicator and alarm indicator.

The camera-equipped intercom slave unit according to claim 4, the intercom master unit, and the video line, and call line, and the common line, a camera-equipped intercom slave unit connected by command lines, command lines The camera is controlled by a control command transmitted from the camera.

[0016] camera doorphone entrance of claim 5, the intercom master unit, a camera-equipped intercom slave unit connected by video / call line two-wire transmission superimposed on the video / call line The alarm control lamp and the position display lamp are controlled by the control command that is input.

A doorphone handset with a camera according to a sixth aspect of the present invention is a doorphone handset with a camera connected to the intercom master unit via a two-line video / call line, and is transmitted while being superimposed on the video / call line. It is characterized in that the power of the camera is controlled by the received control command.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an example of the configuration of a camera-equipped door phone slave unit. The camera-equipped doorphone slave unit 1 is connected to an intercom master unit (not shown) via two video lines (M1-M2) and two communication lines (I-). M1-M2)
A control command transmitted in a manner superimposed on the control signal is used to control the alarm indicator 16 and the position indicator 17.

In the figure, reference numeral 10 denotes a microcomputer which controls each unit and controls an alarm indicator 16 and a position indicator 17 by a control command, 11 denotes a camera unit which captures an image of an entrance or the like,
12 is a camera power supply circuit for supplying power to the camera unit 11,
Receiving circuit 13 which receives the power supply from the intercom master unit, a video circuit having a video amplifier and FM modulation function 14, 15 commands for demodulating the command transmitted is superimposed on the video line (M1-M2) demodulation circuit, 16 is an alarm indicator, 17 position indicator, 18 intercom circuit for controlling the intercom call, 19 is a calling circuit for sending a call signal by operating the call button.

FIG. 2 is a flowchart showing the operation of the intercom master unit during normal operation (S1 to S5). The operation of the call button of the intercom slave unit 1 indicates that the call line (I
If the voltage is detected due to a drop from the standby voltage of-), power is supplied to the M1-M2 terminals and the I- terminals. Then, in the intercom slave unit 1, the microcomputer 10 operates to be in a command receivable state, the camera unit 11 is activated to transmit an image, and to be in a call possible state.

Subsequently, a back tone is transmitted from the intercom master unit to the I- terminal, and the back tone sounds from the speaker SP. Accordingly, either operating the call button in the master unit, Taking the handset, it is possible to call between interphone parent device and intercom slave unit 1.

The position indicator 17, as shown in FIG. 3, the M1-M2 voltage 0V Tosureba off during standby, standby voltage (6V) Tosureba lights. During operation, the intercom master unit supplies power to the M1-M2 terminals and the I-- terminals.
Then, in the door phone slave 1, the microcomputer 10 operates,
The state becomes a command receivable state, the camera unit 11 is activated to transmit an image, and a call is possible. Here, from the base unit, the gas detector disconnection, if sending the position indicator OFF command superimposed on the M1-M2, that microcomputer 10 of the child device 1 turns off the position indicator 17 receives this it can.

Here, the door phone slave 1 is a door phone circuit 1
8 is provided with a calling circuit 19, and sends out a calling signal through a communication line (I-). As a result, even when the voltage M1-M2 that turns off the position indicating lamp 17 during standby is 0V, the calling can be performed irrespective of this.

FIG. 4 is a flowchart (S10 to S13) showing the operation of the intercom master unit at the time of an alarm. When there is an input detection such as a fire sensor, M1-M2 terminals, I-
-Supply power at the terminal. Then, in the intercom slave unit 1, the microcomputer 10 operates to enter a command receivable state, the camera unit 11 is activated to transmit an image,
It made the call possible state. Subsequently, an alarm sound is transmitted to the I- terminal, and the alarm sound is output from the speaker SP.
If sending an alarm flashing command superimposed from the parent device to the M1-M2, the microcomputer 10 of the slave unit 1 is to flash the alarm indicator 16 receives this.

As described above, according to the door phone handset 1 of the present invention, the alarm indicator light control line (F) and the position indicator light control line (L) are not required, and the wiring is connected to the intercom master unit with four wires. As a result, the work load during construction is reduced. Also, when changing from a door phone slave unit without a camera, replacement is possible with the same number of wires.

[0026] Next, a description will be given of another configuration of the camera-equipped intercom slave device. As shown in FIG.
A is connected to the intercom master unit via a video line (M1), a communication line (I), a common line (M2), and a command line (S), and is transmitted from the command line (S). The control indicator controls the alarm indicator 16 and the position indicator 17. Here, the control command is not being superimposed on the video line is input by a dedicated command line (S).

Next, still another configuration of the intercom slave unit with camera will be described. As shown in FIG. 6, the camera-equipped intercom slave unit 1B is the intercom master unit, and the two-wire video lines (M1-M2), is connected to out with a two-wire telephone call line (i--), video a control command transmitted is superimposed on the line (M1-M2), control the power supply of the camera.

FIG. 7 is a flowchart (S20-S24) showing the operation of the intercom master unit at the time of an alarm. When there is an input detection such as a fire sensor, M1-M2 terminals, I-
-Supply power at the terminal. Then, in the intercom slave unit 1, the microcomputer 10 operates to enter a command receivable state, the camera unit 11 is activated to transmit an image,
You will be able to talk. Here, a camera power off command is transmitted to turn off the camera power switch 20. Subsequently, sends an alarm sound to I-- terminal, together with an alarm sound is output from the speaker SP, if sending a warning flashing command superimposed from the parent device to the M1-M2, the microcomputer 10 of the slave unit 1 blink the warning indicator light 16 in response to this.

[0029] Thus, it is possible to turn off the operation of the camera does not need at the time of alarm, it is possible to reduce the wasteful power consumption. Therefore, the backup guarantee time at the time of a power failure or the like can be extended.

Although FIG. 6 shows an example in which a configuration for turning off the camera power is added to the configuration shown in FIG. 1, the configuration shown in FIG. 5 can be configured to control the camera power. That is, the intercom master unit, video lines and (M1), the call line and (I), the common line and (M2), the command line (S) in the connected camera-equipped intercom slave unit 1A
But, the control command transmitted from the command line (S), control the power supply of the camera.

Next, FIG. 8 shows the configuration of a door phone slave unit 1C with a camera for a detached house. And for apartment dwelling units are different in that it does not include the intercom circuit 18, the is equipped with a door phone circuit 18 for apartment dwelling, the intercom master unit, adopted a call circuit of the intercom system to the call of the lobby intercom because in that, and that the call circuit in the lobby and the dwelling unit door phone is different, cost-consuming, because it becomes difficult to design.

[0032] The camera-equipped intercom slave unit 1C is the intercom master unit, are connected by a two-wire video / call lines (M1-M2), it is transmitted by being superimposed on the video / call lines (M1-M2) The alarm control light 16 and the position display light 17 are controlled by the incoming control command.

[0033] In the figure, the calling circuit 19A is for sending a call signal, 21 is a demodulation circuit provided with a speaker SP, 22 is a modulation circuit comprising a microphone MIC. With such a configuration, the conventional F1 and F2 lines can be deleted. In addition, independent control of the position indicator can be performed.

Also in this door phone slave unit 1C,
The control of the power supply of the camera can be performed by a control command superimposed on the video / call line (M1-M2) and transmitted. Thus, it is possible to turn off the operation of the camera is not necessary at the time of alarm, it can reduce unnecessary power consumption.

[0035]

As can be understood from the above description, the camera-equipped door phone handset according to the first aspect of the present invention includes two video lines and two communication lines in the intercom master unit. The alarm indicator and the position indicator are controlled by a control command that is connected and superimposed on the video line, so that the wiring can be connected to the intercom master unit with four wires, reducing the work load during construction. You. Also, when changing from the intercom slave unit that does not have a camera, replacement can be performed with the same number of wires.

In the doorphone slave unit with a camera according to the second aspect, a control command transmitted by being superimposed on the video line and connected to the intercom master unit via two video lines and two communication lines. Accordingly, since the power control of the camera,
Can turn off the operation of the camera does not need at the time of alarm, it is possible to reduce the wasteful power consumption.

According to the third aspect of the present invention, the intercom base unit with a camera is connected to the intercom master unit by a video line, a communication line, a common line, and a command line, and is controlled by a control command transmitted from the command line. since the control of the position indicator and alarm indicator, the wiring can be connected to the intercom master unit in 4-wire, workload during construction can be reduced. Also, when changing from a door phone slave unit without a camera, replacement is possible with the same number of wires.

According to a fourth aspect of the present invention, the intercom base unit with a camera is connected to the intercom master unit by a video line, a communication line, a common line, and a command line, and is controlled by a control command transmitted from the command line. Since the power supply of the camera is controlled, unnecessary operation of the camera at the time of an alarm can be turned off, and unnecessary power consumption can be reduced.

According to the fifth aspect of the present invention, the intercom base unit with a camera is connected to the intercom master unit via two video / call lines, and an alarm is displayed by a control command transmitted by being superimposed on the video / call line. Since the lights and the position indicating lights are controlled, two wires can be connected to the intercom master unit, thereby reducing the work load during construction.

The camera-equipped intercom slave unit according to claim 6, the intercom master unit is connected with the video / call line two-wire, by the video / superimposed on the call line sent come control command, the camera since the control of the power supply, can turn off the operation of the camera is not necessary at the time of alarm, it can reduce unnecessary power consumption.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating an example of a configuration of a door phone slave unit with a camera according to the present invention.

2 is a flowchart showing an example of the operation of the intercom master unit.

FIG. 3 is a diagram for explaining control of a position indicator light.

FIG. 4 is a flowchart illustrating another example of the operation of the intercom master unit.

5 is a block diagram showing another example of the configuration of a camera-equipped intercom slave unit of the present invention.

6 is a block diagram showing another example of the configuration of a camera-equipped intercom slave unit of the present invention.

FIG. 7 is a flowchart showing another example of the operation of the intercom master unit.

FIG. 8 is a block diagram showing another example of the configuration of the camera-equipped door phone slave unit of the present invention (for a detached house).

9 is a block diagram showing an example of a conventional camera-equipped intercom slave unit configuration.

10 is a block diagram showing an example of a conventional camera-equipped intercom slave unit configuration (for family).

FIG. 11 is a diagram for explaining the operation of a conventional door phone slave unit with a camera.

[Explanation of symbols]

 1, 1A, 1B, 1C Door phone handset with camera 10 Microcomputer 16 Alarm indicator 17 Position indicator 19 Call circuit 20 Camera power switch

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Junji Senoo 1048 Odakadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works, Ltd. reference) 5C054 BA03 HA22 5C087 AA02 AA08 AA19 AA37 AA44 BB05 BB58 BB65 DD03 DD06 DD24 EE12 EE13 FF24 FF30 GG67 GG69 5K027 AA09 BB17 FF01 FF22 FF25 HH26 5K038 AA03 CC02 DD09 DD13 DD15 DD18 DD23 FF01 GG02

Claims (6)

[Claims] 1. An intercom master unit has two video lines and two video lines.
A camera-equipped intercom slave unit connected by a call line of the line, a camera, characterized in that the control command transmitted is superimposed on the video line, and controls the position indicator and warning indicator With a door phone cord. 2. An intercom master unit has two video lines and two video lines.
An intercom handset with a camera connected to a communication line of a telephone, wherein the intercom with a camera controls a power supply of the camera by a control command transmitted by being superimposed on the video line. . To 3. interphone parent device, and the video line, and call line, and the common line, a camera-equipped intercom slave unit connected by command lines, the control command transmitted from the command line, alarm An intercom with a camera, which controls an indicator light and a position indicator light. 4. A interphone parent device, and the video line, and call line, and the common line, a camera-equipped intercom slave unit connected by command lines, the control command transmitted from the command line, the camera A doorphone slave device with a camera, characterized by controlling the power supply of the camera. 5. An intercom master unit with a camera connected to an intercom master unit by a two-line video / call line, wherein an alarm indicator light is provided by a control command transmitted superimposed on the video / call line. And a position indicator lamp. 6. A interphone parent device, a camera-equipped intercom slave unit connected by video / call line two-wire, the control command transmitted is superimposed on the video / call line, the camera power Door phone slave device with a camera, characterized by performing the following control.