JPH11341170A - Video interphone device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent annoying calling by threatening a visitor who is trying annoying calling such as undesired mischief. SOLUTION: When a visitor presses a calling button 11 of a front door slave device 1, a calling sound ringing speaker 33 of an indoor master device 2 rings for announcing the presence of the visitor. Then, a video image picked-up by a video camera 13 of a front door slave device is displayed on a video monitor 32 of an indoor master device, and a handset 35 of the indoor master device is picked up so that communication can be attained between the handset 35 and a speaker 16 and a microphone 17 of the front door slave device. In this case, the indoor master device 2 is provided with a flash turning-on button 34 to be pressed when annoying calling is repeated, and the front door slave device 1 is provided with a flash lamp 15 to be turned on when the flash tuning-on button 34 is depressed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video door phone apparatus, and more particularly to a video door phone apparatus capable of intimidating a visitor who makes an annoying call such as undesired mischief.

[0002]

2. Description of the Related Art Conventionally, a TV door phone apparatus shown in the block diagram of FIG. 2 has been proposed as a TV door phone apparatus of this kind.
An entrance (housing entrance) of a dwelling unit and the like, and an entrance slave unit 51 and an indoor master unit 52 are installed in the dwelling unit and connected by a line L51.

[0003] The entrance slave unit 51 includes a control circuit (hereinafter referred to as slave unit C).
PU, 60), a call button 61 that is pressed when a visitor calls a resident in a dwelling unit, and a lamp 62 that is turned on to maintain the brightness near the perimeter of the dwelling unit.
A TV camera 63 that captures an image of the vicinity of the entrance of the visitor or the dwelling unit, an illuminance sensor 64 that detects the illuminance (brightness / darkness) of the vicinity of the dwelling unit, and that the visitor is mainly a resident. Speaker 6 to which a receiving amplifier 67 and a transmitting amplifier 68 used for establishing a telephone call are connected.
5, a microphone 66, and a power supply circuit 69 for supplying power to each unit (each circuit) constituting the entrance device 51.

An indoor master unit 52 includes a control circuit (hereinafter referred to as master unit C).
PU) 70, a call detection circuit 71 for detecting a call from a visitor of the entrance device 51, and a television monitor 72 for outputting (reproducing) an image taken by the television camera 63 of the entrance device 51. , A receiving amplifier 75 that sounds a ringing tone to notify a resident of a call from a visitor of the entrance cordless handset 51.
Is connected to a ringing speaker 73, a receiving amplifier 75 used by the resident to establish a call with the visitor,
A handset 74 to which a transmission amplifier 76 is connected, a hook-up detection circuit 77 for detecting a hook-off when a response operation such as picking up the handset 74 is performed by a resident, and a handset 74 via the handset 74 and a line L51. And a communication path switching circuit 78 for forming a communication path between the speaker 65 and the microphone 66.

[0005] In the TV intercom apparatus configured as described above, when a visitor presses the call button 61 of the entrance slave unit 51 to call a resident in the dwelling unit, the slave unit CPU operates.
60 detects this pressing operation and outputs a calling signal S51. This calling signal S51 is transmitted to the indoor master unit 5 via the line L51.
The call detection circuit 71 outputs a call detection signal S52 to the base unit CPU 70, which detects a call from the (normal) visitor of the entrance slave unit 51.

Master device CP that has detected and detected call detection signal S52
U70 outputs a ringing tone signal S53 for ringing the ringing tone speaker 73, and outputs a voltage signal S54 for increasing the voltage of the line L51 from 8V to 15V. The ringing tone signal S53 is amplified by the receiving amplifier 75 through the call path switching circuit 78 in the standby state, and is sounded as a ringing tone by the ringing tone sounding speaker 73. The call from the person is notified. The voltage signal S54 is transmitted to the slave unit CP of the entrance slave unit 51 via the line L51.
It is input to U60. The child device CPU 60 that has detected the input of the voltage signal S54 outputs the illuminance signal detected and output by the illuminance sensor 64 based on the level of the illuminance near the periphery of the dwelling unit when the illuminance at night or the like is low. When the LOW-level illuminance signal S55 is detected, a lamp lighting signal S56 for lighting the lamp 62 is output. Thus, the lighting of the lamp 62 maintains the brightness around the entrance of the dwelling unit. The video signal S60 picked up by the indoor master device 5 is transmitted via the power supply circuit 69 and the line L51.
By displaying the image without deterioration on the second TV monitor 72, the resident could confirm (identify and confirm) the image of the visitor and the vicinity of the entrance of the dwelling unit.

Further, a ringing tone (ringing tone signal S53) sounded by the ringing tone ringing speaker 73 of the indoor master unit 52 and a video (video signal S6) output on the television monitor 72.
0), when the resident who has confirmed the call from the visitor of the entrance slave unit 51 performs a response operation such as picking up the handset 74, the hook-up detection circuit 77 detects the hook-off and generates the hook-up detection signal S57. Master CPU
70. The base unit CPU 70 that has detected the hook-up detection signal S57 outputs the control signal S58 for activating the communication path switching circuit 78, so that the resident is switched by the activated and switched communication path switching circuit 78. And a communication path between the speaker 65 and the microphone 66 via the reception amplifier 75 and the transmission amplifier 76, the communication path switching circuit 78, the line L 51, the reception amplifier 67 and the transmission amplifier 68 of the entrance device 51. The voice signal S70 can be transmitted and received via this communication path, and the call between the visitor and the resident in the dwelling unit is established.

[0008]

However, since the conventional TV intercom apparatus is configured as described above, it is necessary for a resident in a dwelling unit to stop the call in response to an annoying call by a visitor. , Indoor master unit 52
After taking up the handset 74 and forming a call state between the handset 74 and the speaker 65 and the microphone 66 of the entrance cordless handset 51 via the line L51, a notice of refusal by voice or an absence must be provided. There was a drawback that there was no means.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned difficulties. A flash lamp which is turned on by an operation of a resident in a dwelling unit using an indoor base unit is provided on an entrance slave unit operated by a visitor. The object of the present invention is to provide a TV door phone device which can threaten by turning on a flash lamp sequentially and stop the call when an unwanted call such as an undesired prank is repeated by providing the same. .

[0010]

In order to achieve the above object, a TV door phone apparatus according to the present invention provides a speaker for sounding a ringing tone of an indoor master unit when a visitor presses a call button of a front door unit. Sounds and informs you that you have visited, displays images captured by the TV camera of the main unit on the TV monitor of the main unit, picks up the handset of the main unit, and sets the speaker and microphone of the main unit. The indoor door-to-door unit has a flash light button that is pressed when annoying calls are repeated, and the front-end slave unit is pressed when the flash light button is pressed. It has a flash lamp that lights up.

According to such a TV door phone apparatus,
A flash lamp that is lit by the operation of the flash lit button provided on the indoor parent device used by the resident in the dwelling unit is provided at the entrance slave unit used by the visitor, so that annoying calls such as undesired pranks are caused. In the case of repetition, it is possible to threaten by turning on the flash lamps one after another and stop calling them, and it is possible to improve the crime prevention property and the disaster prevention property especially when disturbing noises occur at nighttime etc. .

[0012]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a preferred embodiment of a television intercom apparatus according to the present invention. The TV intercom apparatus shown in the block diagram of FIG. 1 is generally provided with an entrance (e.g., an entrance of a dwelling unit) such as a dwelling unit and an entrance slave unit 1 and an indoor parent unit 2 which are installed in the dwelling unit and are connected by a line L1.

The entrance slave 1 is provided with a control circuit (hereinafter referred to as slave CP).
U) 10, a call button 11 which is pressed when a visitor calls a resident in the dwelling unit, a lamp 12 which is turned on to maintain the brightness near the perimeter of the dwelling unit,
A TV camera 13 that captures an image of the vicinity of the entrance of a visitor or a dwelling unit performing a call operation, an illuminance sensor 14 that detects illuminance (brightness / darkness) of the vicinity of the dwelling unit, and an annoying call by the visitor are repeated. In this case, the flash lamp 15 which is turned on by the resident pressing the flash lighting button 34 of the indoor master unit 2 described later, the receiving amplifier 18 which is mainly used by the visitor to establish a call with the resident, It includes a speaker 16 and a microphone 17 to which a transmission amplifier 19 is connected, respectively, and a power supply circuit 20 for supplying power to each unit (each circuit) constituting the entrance device 1.

The indoor master unit 2 has a control circuit (hereinafter referred to as master unit CP).
U) 30, a call detection circuit 31 for detecting a call from a visitor of the entrance device 1, and a television monitor 32 for outputting (reproducing) an image taken by the television camera 13 of the entrance device 1. When a ringing sound speaker 33 connected to a receiving amplifier 38 for sounding a ringing sound and notifying a resident of a call from the visitor of the entrance cordless handset 1 is connected, and an annoying call from the visitor are repeated. , A handset 35 connected to a receiving amplifier 38 and a transmitting amplifier 39 used by the resident to establish a call with the visitor, and a response such as picking up the handset 35 by the resident. A hook-up detection circuit 36 for detecting a hook-off when an operation is performed; and a speaker 16 and a microphone 17 of the handset 35 via the handset 35 and the line L1. And a communication path switching circuit 37 for forming the communication path.

The first input terminal P1 of the slave unit CPU 10 of the entrance slave unit 1 has one end of a call button 11 whose other end is connected to a reference potential point, and the second input terminal P2 has an illuminance sensor 14
However, the power supply circuit 20 is connected to the third input terminal P3, the lamp 12 is connected to the first output terminal P4, the flash lamp 15 is connected to the second output terminal P5, and the input / output terminal P6 is connected to the line L1. The line connection terminals T1 to which the line connection terminals T2 of the indoor master unit 2 are connected are connected respectively. The television camera 13 is connected to the speaker 1 via the power supply circuit 20.
6. The microphone 17 is connected to the line connection terminal T1 via the reception amplifier 18 and the transmission amplifier 19, respectively.

A first input terminal P11 of the main unit CPU 30 of the indoor main unit 2 has an input side connected to the output side of the call detection circuit 31 connected to the line connection terminal T2, and a second input terminal P12 has a flash light button 34. However, a hookup detection circuit 36 is connected to the third input terminal P13, a line connection terminal T2 is connected to the first output terminal P14, and one end is connected to the second output terminal P15 to the line connection terminal T2. The end is the receiving amplifier 38
And ringing speaker 33 via transmission amplifier 39
And call path switching circuit 3 connected to handset 35
7 are connected to each other.

The operation of the thus configured television monitor device will be described below. When a visitor performs a naughty calling operation such as repeatedly pressing the call button 11 of the entrance slave unit 1 at the time of calling to call a resident in the dwelling unit, the slave unit CPU 10 sets the first input terminal P1.
, The above-described calling operation is detected, and a calling signal S1 is continuously output from the input / output terminal P6. The call signal S1 is input to the call detection circuit 31 via the line connection terminal T1, the line L1, and the line connection terminal T2 of the indoor master unit 2. The call detection circuit 31 calculates the following from the continuously input call signal S1.
At a predetermined time, a call detection signal S2 that detects a continuous call from a visitor of the entrance slave unit 1 is output to the base unit CPU 30.

The base unit CPU 30, which has detected the call detection signal S2 through the first input terminal P11, continuously outputs a call sound signal S3 for sounding the ringer speaker 33 from the second output terminal P15. At the same time, a voltage signal S4 for increasing the voltage of the line L1 from 8V to 15V is output from the first output terminal P14. The ringing tone signal S3 is amplified by the receiving amplifier 38 through the call path switching circuit 37 in the standby state, and is continuously sounded as the ringing tone by the ringing tone sounding speaker 33. An annoying call due to a continuous call operation of one visitor is notified. The voltage signal S4 is supplied to the slave CPU 10 via the line connection terminal T2, the line L1, and the line connection terminal T1 of the entrance slave 1.
Is input to the input / output terminal P6. The slave unit CPU 10 that has detected the input of the voltage signal S4 is output when the illuminance at night or the like is low among the illuminance signals detected and output by the illuminance sensor 14 based on the level of the illuminance near the periphery of the dwelling unit. LO
When a W-level illuminance signal S5 is detected via the second input terminal P2, a lamp lighting signal S6 for lighting the lamp 12 is output from the first output terminal P4. The brightness near the entrance is maintained, and the video signal S20 captured by the television camera 13 is supplied to the power supply circuit 20, the line connection terminal T1, and the line L.
1. The image is displayed without deterioration on the TV monitor 32 via the line connection terminal T2 of the indoor master unit 2, so that the resident can check the image of the visitor and the vicinity of the dwelling unit (identification confirmation).
can do.

Here, the continuous ringing sound (ringing signal S3) sounded by the ringing sound ringing speaker 33 and the video (video signal S20) output on the television monitor 32 are used for the entrance slave unit 1 The occupant who has confirmed an annoying call due to the continuous call operation of the visitor of the person is intimidated by the flash light button 3 to stop the call by threatening the visitor.
When the master CPU 30 detects that the pressing operation has been performed via the second input terminal P12, the master CPU 30 detects the first output terminal P14.
Outputs a flash lamp lighting control signal S7 for lighting the flash lamp 15 of the entrance cordless handset 1. The flash lamp lighting control signal S7 is input to the input / output terminal P6 of the slave CPU 10 via the line connection terminal T2, the line L1, and the line connection terminal T1 of the entrance slave unit 1. Slave unit C that has detected input of flash lamp lighting control signal S7
The PU 10 outputs a flash lamp lighting signal S8 for lighting the flash lamp 15 from the second output terminal P5.
Is output, the flash lamp 15 is turned on, and it is possible to threaten a visitor who has made an annoying call.

Furthermore, in order for the resident in the dwelling unit to answer the visitor who made the above-mentioned annoying call and establish a call, the hook-up detection circuit 36 detects the hook-off by picking up the handset 35, A hookup detection signal S9 is output to master unit CPU 30. Base unit CPU 30 that has detected hookup detection signal S9 via third input terminal P13 outputs control signal S10 for activating communication path switching circuit 37 from second output terminal P15. A handset 35 used by the occupant by the activated and switched call path switching circuit 37;
The receiving amplifier 38 and the transmitting amplifier 39, the communication path switching circuit 37, the line connecting terminal T2, the line L1, the line connecting terminal T1 of the entrance terminal 1, the receiving amplifier 18 and the transmitting amplifier 1
A communication path between the speaker 16 and the microphone 17 via the communication path 9 is formed, and the voice signal S30 can be transmitted / received via this communication path, and a call between the visitor and the resident in the dwelling unit is established.

In the above-described embodiment, the flash lamp is provided in the entrance slave unit. However, the present invention is not limited to this, and may be applied to a surveillance camera or a disaster prevention device. It works.

[0022]

As is apparent from the above description, according to the television door phone apparatus of the present invention, the entrance slave unit used by the visitor is operated by the indoor master unit used by the resident in the dwelling unit. The provision of a lit flash lamp makes it possible for visitors who make unwanted calls such as undesired pranks to turn on the flash lamp in order to threaten them and stop the call, especially at night. By turning on the flash lamp when an unpleasant noise is generated in, for example, security and disaster prevention can be improved.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of a television door phone apparatus according to the present invention.

FIG. 2 is a block diagram showing a conventional TV door phone apparatus.

[Explanation of symbols]

 1 ... Entrance cordless handset 2 ... Indoor master unit 11 ... Call button 13 ... TV camera 15 ... Flash lamp 16 ... Speaker 17 ····· Microphone 32 ···· TV monitor 33 ································································ Handset

Claims (1)

[Claims] 1. A visitor presses a call button (1) of an entrance slave (1).
By pressing 1), the ringing sound speaker (33) of the indoor master unit (2) sounds and informs that a visit has been made, and the image taken by the television camera (13) of the entrance slave unit is displayed. By displaying an image on the television monitor (32) of the indoor master unit and picking up the handset (35) of the indoor master unit,
A television intercom apparatus for making a call between a speaker (16) and a microphone (17) of the entrance slave unit, wherein the indoor master unit is a flash light button that is pressed when an annoying call is repeated. (34), wherein the entrance slave device has a flash lamp (15) that lights up when the flash lighting button is pressed.