JP2000125020A - Intercom device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the convenience at the execution of specific intercom functions for alarming by a resident in a house, intercom operation guidance, and answering to a call. SOLUTION: The resident in the house operates an operation button 23 of the interphone master device 2 in switch structure for two-stage operation twice as a means for executing the specific intercom functions for alarming, intercom operation guidance, call answering, etc., and is then able to confirm the contents of an intercom function to be implemented from character video generated by a video generating circuit 25 and displayed out on a monitor 28 at the time of 1st operation and then implement a predetermined intercom function by operating the operation button 23 again after confirming the function, thereby improving the convenience at the implementation of the intercom functions by the resident in the house.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door phone apparatus, and more particularly to a door phone apparatus for improving convenience when executing a predetermined door phone function such as an alarm, a door phone operation guide, and a call answering function.

[0002]

2. Description of the Related Art Conventionally, as this kind of intercom apparatus, an intercom apparatus having a configuration shown in a block diagram of FIG. 3 has been proposed. The door phone device shown in the figure is installed at the entrance of a dwelling unit (hereinafter referred to as the dwelling unit entrance), and a call button 11 is provided.
0, camera 111, handset microphone 112, handset speaker 1
13, a door phone slave unit 101 provided with a video processing circuit 114, a call circuit 115, an alarm sound utterance circuit 116, and a multiplex circuit 117, and a call detection circuit 120 installed in a dwelling unit.
Ringing sound generation circuit 121, loud speaker 122, operation button 123, alarm sound generation circuit 124, video demodulation circuit 12
5, monitor 126, master unit microphone 127a and receiver 12
7b, a communication circuit 128, a control circuit (hereinafter referred to as CPU) 129, and a multiplexing circuit 130.
, And the intercom master unit 102 and the intercom master unit 102 are connected by a transmission line L101.

[0003] In the door phone apparatus configured as described above, when a visitor operates the call button 110 of the door phone slave unit 101 to call a resident in the dwelling unit from the dwelling unit entrance, a call signal S101 is transmitted from the call button 110. ,
This call signal S101 is transmitted to the call detection circuit 120 via the multiplexing circuit 117, the transmission line L101, and the multiplexing circuit 130 of the intercom master unit 102. The call detection circuit 120 outputs a call detection signal S102 that detects a call by a visitor at the dwelling unit from the input call signal S101 to the ringing sound generation circuit 1.
21. The ringing tone generation circuit 121 activated by the ringing detection signal S102 sends the ringing tone signal S103 for sounding the loudspeaker 122, so that the loudspeaker 122 visits the resident in the dwelling unit to visit the dwelling unit entrance. A ringing tone for notifying a call from a caller is sounded, and intercom base station 102 is shifted from a standby state to a calling state.

Further, intercom master unit 102 in a calling state
(Not shown and not shown in detail), the camera 111 of the intercom slave unit 101 becomes active and starts operating. The video signal S111, which is a video of the visitor at the time of the call operation, captured by the camera 111, is appropriately processed (modulated, etc.) by the video processing circuit 114 as a video signal S112, and the multiplexing circuit 117 and the transmission path L101. Is transmitted to the video demodulation circuit 125 via the multiplexing circuit 130 of the intercom master unit 102. The video demodulation circuit 125 converts the input video signal S112 into a demodulated video signal S113,
6, the video of the visitor at the time of the call operation is displayed on the monitor 126.

[0005] Further, the ringing tone generated by the loudspeaker 122 of the intercom master unit 102 and the monitor 126
The resident who confirmed the presence of the visitor who performed the calling operation at the entrance of the dwelling unit based on the image displayed on the handset 12
7 is picked up and answered, the communication circuit 128 to which the handset 127 is connected, the multiplexing circuit 130, and the transmission line L
101, via the multiplexing circuit 117 of the intercom slave unit 101,
A communication path is formed between the communication circuit 115 to which the child device microphone 112 and the child device speaker 113 are connected, and the child device microphone 112 and the child device speaker 1 used by the visitor via this communication path.
13 and the parent device microphone 127a and the receiver 127b of the handset 127 used by the resident can transmit and receive audio signals, and a call is established.

Next, a resident in the dwelling unit confirms an emergency such as a fire or gas leak in the dwelling unit and operates a predetermined intercom function, here an operation button 123 to activate an alarm.
Is turned on by operating the CPU 129 which has detected this.
Control, the alarm sound generation circuit 124 of the intercom master device 102 and the alarm sound generation circuit 1 of the intercom slave device 101
16 are activated, and each alarm sound generation circuit 124,
Alarm sound signals S121 and S122 for sounding the loudspeaker 122 and the slave speaker 113 are transmitted from the speaker 116, respectively. Therefore, an alarm sound for notifying that the dwelling unit is in an emergency is sounded by each of the speakers 122 and 113.

[0007]

However, since the conventional intercom apparatus is configured as described above, a resident in a dwelling unit confirms an emergency such as a fire or gas leak in the dwelling unit and issues an alarm. Intercom master unit 1 to activate
When the operation button 123 is operated, an alarm sound is immediately sounded not only inside the dwelling unit but also outside the dwelling unit (entrance to the dwelling unit). In the case where the user 123 is operated erroneously or the resident in the dwelling unit is an elderly person who has difficulty in recognizing a function executed by operating the operation button 123, there is no effective means for informing the function and convenience is provided. There was a drawback that was hindered.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned difficulties, and means for executing a predetermined intercom function such as an alarm by a resident in a dwelling unit, an intercom operation guide, a call response, and the like by using two operation buttons. It is established by an operation (two-stage operation), and the contents of the function executed at the time of the first operation are explained by video or audio, and the function is executed at the next operation, so that the resident in the dwelling unit can execute the function. It is an object of the present invention to provide a door phone device that improves convenience when the door phone function is executed.

[0009]

In order to achieve the above object, a door phone apparatus according to the present invention transmits a call signal by a visitor operating a call button of a door phone slave unit, and a speaker for a speaker of the intercom master unit. , Ring the ringing tone, image the visitor with the camera of the intercom slave unit, send out the video signal, output the image on the monitor of the intercom master unit, the microphone of the intercom slave unit, the slave unit speaker, and the intercom master unit. Intercom that transmits and receives audio signals with the main unit microphone and receiver of the handset and that the visitor talks with the resident, and operates the operation buttons to perform predetermined intercom functions such as alarm, intercom operation guidance, and call answering. In the device, the operation button causes the monitor to display a description of a function operated by operating the button in the first operation, and causes the function to be executed in the next operation A switch structure to stage operation,
The intercom master unit is provided with an image creation circuit for displaying an explanation of the function on a monitor in an image by the first operation of the operation button.

In the door phone apparatus according to the present invention, the visitor operates a call button of the door phone slave unit to transmit a calling signal to sound a ringing sound from the loudspeaker of the intercom master unit, thereby allowing the visitor to call the door phone slave unit. The video signal is sent out from the camera of the intercom master unit, the video signal is sent out, and the image is output on the monitor of the intercom master unit. An intercom device that performs a predetermined intercom function such as alarm, intercom operation guidance, call answering, etc. by transmitting and receiving and a visitor talking with a resident and operating an operation button, and the operation button is operated at the first operation. , A function of operating the button to emit a description of the function from the loudspeaker, and a two-stage switch structure for executing the function by the next operation. Ntahon master unit is one having a sound producing circuit which emitted from loudspeakers in audio descriptions of functions by the first operation of the operation button.

[0011] According to such a door phone apparatus, the resident in the dwelling unit can operate the two-stage operation button with a switch structure operated in two steps as a means for executing a predetermined door phone function such as an alarm, a door phone operation guide, and a call response. By performing the first operation, the door phone function is executed from the character image created by the image creation circuit and output and displayed on the monitor at the first operation, or the sound created by the sound creation circuit and sounded by the loudspeaker. Since the contents can be confirmed and the predetermined intercom function can be executed at the time of the next operation after the confirmation, the convenience at the time of executing the intercom function is improved.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a preferred embodiment to which a door phone device according to the present invention is applied will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of an embodiment of a door phone apparatus according to the present invention. The door phone apparatus includes a door (hereinafter, referred to as a door) and a door phone slave unit 1 and an interphone master unit 2 installed in the house. It is configured.

The door phone handset 1 includes a call button 10 operated when a visitor calls a resident in a dwelling unit (call operation), a camera 11 for capturing an image of the visitor at the time of the call operation, and a visit. The sub-unit microphone 12 and the sub-unit speaker 13 used for establishing a call with the resident in the dwelling unit called by the user, and the video (video signal) captured by the camera 11 is appropriately processed (modulation, etc.). Video processing circuit 14
A communication circuit 15 that forms a communication path for voices (voice signals, voice messages) transmitted and received by the handset microphone 12 and the handset speaker 13 and performs signal processing (amplification, etc.) on the input and output voices; An alarm sound generating circuit 16 for sounding an alarm sound from the slave unit speaker 13 when an alarm which is a predetermined door phone function is activated, and a multiplex circuit 17 are provided.

The intercom base unit 2 has a call detection circuit 20 for detecting a call from a visitor at the dwelling unit entrance, and a ring tone which is activated by a call detection signal sent from the call detection circuit 20 and sends a ring tone signal. A generating circuit 21, a loudspeaker 22 that sounds a ringing tone for notifying a call from a visitor at the dwelling unit,
An operation button 23 operated to execute a predetermined intercom function such as an intercom operation guide and a call response, a memory 24 storing a plurality of characters (character strings) indicating the contents of the predetermined intercom function, and read from the memory 24 The character (character string) obtained as a character image signal is at least part of a monitor 28, which will be described later, here a character image output unit 28b at the bottom of the screen.
, An alarm sound generation circuit 26 that sounds an alarm sound from the loudspeaker 22 when an alarm, which is a predetermined door phone function, is activated, and an image captured by the camera 11 of the door phone slave unit 1. A video demodulation circuit 27 for demodulating (video signal) and a video signal (video demodulation signal) passed through the video demodulation circuit 27 to display an image of a visitor at the time of a call operation on a video display unit 28a at the top of the screen. A monitor 28 for outputting and displaying a character image signal via the image creating circuit 25 on a character image display unit 28b, a master unit microphone 29a and a receiver 29b used by the called resident to establish a call with the visitor And a handset 29 which forms a communication path for voice (voice signal) transmitted / received by the handset 29 and processes a voice signal input / output (signal processing). A communication circuit 30, a control circuit (hereinafter referred to as CPU) 31, and a multiplexing circuit 32 are provided. The operation button 23 includes a pressing portion 23a pressed at the time of operation, a first operation, The first switching element 23b that is turned on at the time, the second switching element 23c that is turned on at the next operation, and the first and second switching elements 23b and 23c are appropriately operated by the operation (pressing operation) of the pressing unit 23a. Has a switch structure including a switching operation unit 23d for switching on / off.

The multiplexing circuit 17 of the intercom slave 1 has a call button 10 and a camera 11 via a video processing circuit 14.
And the other end of the communication circuit 15 to which the slave unit microphone 12 and the slave unit speaker 13 are connected at one end, and the slave unit speaker 13 at the output side.
Is connected to the input side of the alarm sound generation circuit 16 and the transmission line L
Line connection terminals T1 connected to 1 are respectively connected.

The multiplexing circuit 32 of the intercom master unit 2 includes:
A call detection circuit 20, a loudspeaker 22 via a ring tone generation circuit 21, a video display unit 28a of a monitor 28 via a video demodulation circuit 27, and the other end of a call circuit 30 having a handset 29 connected to one end. A second output terminal P4 of the CPU 31 is connected to a line connection terminal T2 connected to the transmission line L1. Further, the first input terminal P1 of the CPU 31 has a first switching element 23b of the operation button 23, and the second input terminal P2 has a second switching element 23b of the operation button.
The switching element 23c has a first output terminal P3 having an output side connected to the input side of the video generation circuit 25 connected to the character video display section 28b of the monitor 28, and a second output terminal P4 having the multiplexing circuit 32 described above. The input side of the alarm sound generation circuit 26 whose output side is connected to the loudspeaker 22 is connected to an input / output terminal P
5 is connected to a memory 24.

The operation of the intercom apparatus configured as described above will be described below. Door phone handset 1 for a visitor to call a resident in the dwelling unit from the dwelling unit entrance
Is operated, the calling signal S1 is transmitted from the calling button 10, and the calling signal S1 is
7. The call is transmitted to the call detection circuit 20 via the line connection terminal T1, the transmission path L1, the line connection terminal T2 of the intercom master 2, and the multiplexing circuit 32. The call detection circuit 20 sends a call detection signal S2, which has detected a call by a visitor at the dwelling unit, from the input call signal S1 to a call sound generation circuit 21. The ringing tone generation circuit 21 activated by the ringing detection signal S2 sends a ringing tone signal S3 for sounding the loudspeaker 22, so that the loudspeaker 22 is used by a resident in the dwelling unit to visit the resident in the dwelling unit. A ringing tone sounds to alert the user of a call from
Is shifted from the standby state to the calling state.

In response to power supply (not shown and detailed) from the intercom master unit 2 in the calling state, the camera 11 of the intercom slave unit 1 becomes active and starts operating. The video signal S11, which is an image of the visitor at the time of the call operation captured by the camera 11, is converted into a video signal S12 appropriately processed (modulated, etc.) by the video processing circuit 14, and the multiplexed circuit 17,
The signal is transmitted to the video demodulation circuit 27 via the line connection terminal T1, the transmission path L1, the line connection terminal T2 of the intercom master unit 2, and the multiplexing circuit 32. The video demodulation circuit 27 sends the input video signal S12 to the video display unit 28a of the monitor 28 as a demodulated video demodulated signal S13.
The image of the visitor at the time of the call operation is displayed on the image display unit 28a of No. 8.

Further, based on the ringing tone sounded by the loudspeaker 22 of the intercom master unit 2 and the image displayed on the image display unit 28a of the monitor 28, the presence of a visitor who has performed a ringing operation at the dwelling unit entrance. When the resident who confirms the call picks up the handset 29 and answers the call, the handset 29
Is connected to the communication circuit 30 to which the is connected, the multiplexing circuit 32, the line connection terminal T2, the transmission line L1, the line connection terminal T1 of the doorphone slave unit 1, and the multiplexing circuit 17, and the slave unit microphone 12 and the slave unit speaker 13 are connected. A communication path between the communication circuits 15 is formed, and through this communication path, the child device microphone 12 and the child device speaker 13 used by the visitor, the parent device microphone 29a and the receiver 29b of the handset 29 used by the resident are connected. Allows transmission and reception of voice signals, and a call is established.

Next, a resident in the dwelling unit confirms an emergency such as a fire or gas leak in the dwelling unit, and operates a predetermined intercom function, here a pressing portion 23a of an operation button 23 to activate an alarm. When this operation is performed (this operation is referred to as an initial operation), the first switching element 23b in the off state is turned on via the switching operation unit 23d, and the potential level of the first input terminal P1 of the CPU 31 becomes the High level. Upon detecting this, the CPU 31 reads out a character (character string) S21 corresponding to the content of the alarm doorphone function stored in the memory 24 via the input / output terminal P5, and reads the first output terminal P3
To the video creation circuit 25. The image creating circuit 25 converts the input character (character string) S21 into a character image signal S22 obtained by appropriately performing signal processing on the character (character string) S21.
8b. Therefore, a character image indicating the content of the alarm doorphone function is output and displayed on the character image display section 28b of the monitor 28.

Here, the resident in the dwelling unit operates the pressing portion 23a of the operation button 23 again while checking the character image output and displayed on the character image display portion 28b of the monitor 28 (this operation is referred to as the next operation). ), The switching operation unit 23d
, The second switching element 23c in the off state is turned on, and the potential level of the second input terminal P2 of the CPU 31 becomes the High level. Upon detecting this, the CPU 31
From the second output terminal P4, the alarm sound generation circuit 26 of the intercom master unit 2 and the alarm sound generation circuit 16 of the intercom slave unit 1
Are output as control signals S31 for activating the respective signals.
The control signal S31 is transmitted to the alarm sound generating circuit 26, and the multiplex circuit 32, the line connection terminal T2, the transmission line L
1. Line connection terminal T1 of door phone slave unit 1, multiplex circuit 17
Is transmitted to the alarm sound generation circuit 16 via the. The alarm sound generation circuits 26 and 16 are provided with alarm sound signals S32 and S33 for sounding the loudspeaker 22 and the slave unit speaker 13, respectively.
Is sent. Therefore, an alarm sound for notifying that the dwelling unit is in an emergency is sounded on each of the speakers 22 and 13.

In the above-described embodiment, as a notifying means for explaining the contents of the intercom function executed at the time of the first operation of the intercom master unit of the resident in the dwelling unit, a character image is output to the image display unit of the monitor. A door phone apparatus using a sound that is sounded by a loudspeaker as the informing means will be described as another embodiment of the present invention with reference to the drawings.

FIG. 2 is a block diagram showing the configuration of another embodiment of the door phone apparatus according to the present invention. The configuration is the same as that of each section used in the above embodiment except for the configuration and connection of the intercom master unit 52. Therefore, the same components are denoted by the same reference numerals, and detailed description of the configuration, connection, and the like is omitted. The intercom master 52 shown in the block diagram of FIG. 2 includes a call detection circuit 20, a call detection circuit 21, a loudspeaker 22, an operation button 23, a memory 24, and an alarm sound generation which constitute the intercom master 2 of the above embodiment. A circuit 26, a video demodulation circuit 27, a handset 29, a communication circuit 30, a CPU 31, a multiplexing circuit 32, and a memory 24.
And a video signal (video demodulation signal) via a video demodulation circuit 27, which generates a voice signal for sounding the loudspeaker 22 by appropriately processing the character (character string) read from And a monitor 38 for outputting an image only.
A first output terminal P3 and a loudspeaker 22 are connected to each other.

In the intercom apparatus configured as described above, when a call (call operation) from a visitor at the dwelling unit and a call and the like established by the call response are the same as those in the above embodiment, the description is omitted. Here, an operation at the time of activation of an alarm, which is an operation at the time of executing a predetermined door phone function, will be described. The resident in the dwelling unit is the intercom master unit 5
When the pressing portion 23a of the second operation button 23 is operated (this operation is referred to as an initial operation), the first switching element 23b in the off state is turned on via the switching operation portion 23d,
The potential level of the first input terminal P1 of the CPU 31 becomes the High level. Upon detecting this, the CPU 31 reads out a character (character string) S21 corresponding to the content of the intercom function of the alarm stored in the memory 24 via the input / output terminal P5,
The signal is output from the first output terminal P3 to the audio creation circuit 35.
The sound generation circuit 35 converts the input character (character string) S21 into a sound signal S23 obtained by appropriately performing signal processing on the input speaker (character string) S21.
Send to 2. Therefore, a sound indicating the content of the intercom function of the alarm is sounded by the loudspeaker 22.

Here, the resident in the dwelling unit
When the pressing portion 23a of the operation button 23 is operated again while confirming the sound sounded in Step 2 (this operation is referred to as the next operation), the second switching element 23c in the off state via the switching operation portion 23d. Is turned on, and the second
The potential level of the input terminal P2 becomes the High level. Upon detecting this, the CPU 31 performs the second
A control signal S31 for activating the alarm sound generation circuit 26 of the intercom master unit 2 and the alarm sound generation circuit 16 of the intercom slave unit 1 is output from the output terminal P4. The control signal S31 is transmitted to the alarm sound generation circuit 26, and the multiplex circuit 32, the line connection terminal T52, the transmission line L1,
The signal is transmitted to the alarm sound generation circuit 16 through the line connection terminal T1 of the door phone slave unit 1 and the multiplex circuit 17. Each of the alarm sound generation circuits 26 and 16 includes a loudspeaker 22 and a
3 to emit alarm sound signals S32 and S33. Therefore, an alarm sound for notifying that the dwelling unit is in an emergency is sounded on each of the speakers 22 and 13.

[0026]

As is apparent from the above description, according to the door phone apparatus of the present invention, the resident in the dwelling unit can use the door phone function as a means for executing a predetermined door phone function such as an alarm, a door phone operation guide, and a call response. By operating the operation button of the switch structure that is operated stepwise twice, at the first operation, the character image created by the image creation circuit and output and displayed on the monitor, or the sound created by the sound creation circuit and sounded by the loudspeaker The user can confirm the contents of the intercom function to be executed from the sound that is performed, and can execute the predetermined intercom function at the next operation after the confirmation, which is convenient when the resident in the dwelling unit executes the intercom function. The performance is improved.

[Brief description of the drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of a door phone device according to the present invention.

FIG. 2 is a block diagram showing a configuration of another embodiment of the door phone apparatus according to the present invention.

FIG. 3 is a block diagram showing a configuration of a conventional door phone device.

[Explanation of symbols]

 1 ······································································································································ Slave speaker 22 ... Loudspeaker 23 ... Operation buttons 23a, 23b, 23c, 23d ... Switch structure 25 ... Image creation circuit 28, 38 ... Monitor 29 ... Handset 29a ... Master microphone 29b ... Receiver 35 ... Sound creation circuit S1 ... Call signal S11 ... Video signal

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (reference) H04N 7/18 H04N 7/18 H

Claims (2)

[Claims] When a visitor operates a call button (10) of a door phone handset (1), a call signal (S1) is sent out and a ringing tone is sounded from a loudspeaker (22) of a base station intercom (2). Then, the visitor is imaged by the camera (11) of the intercom slave unit, a video signal (S11) is transmitted, and an image is output on the monitor (28) of the intercom master unit. 12) Slave speaker (13)
Transmitting and receiving audio signals between the base unit microphone (29a) and the receiver (29b) of the handset (29) of the intercom base unit so that the visitor talks with the resident and operates the operation button (23). An intercom device that performs a predetermined intercom function such as an alarm, intercom operation guidance, and a call response, wherein the operation button is operated by operating the button in the first operation. Let me see
A two-stage switch structure (23a, 23b, 23c, 23d) for executing the function by the following operation, wherein the intercom master unit displays the explanation of the function in the form of an image by the first operation of the operation button. 2. An intercom apparatus comprising an image creation circuit (25) for displaying an image. 2. A visitor operates a call button (10) of a door phone handset (1) to send a call signal (S1) and sound a ringing tone from a loudspeaker (22) of a base station intercom (2). Then, the visitor is imaged by the camera (11) of the intercom slave unit, a video signal (S11) is transmitted, and an image is output on the monitor (38) of the intercom master unit. 12) Slave speaker (13)
Transmitting and receiving audio signals between the base unit microphone (29a) and the receiver (29b) of the handset (29) of the intercom base unit so that the visitor talks with the resident and operates the operation button (23). A door phone device that executes a predetermined door phone function such as an alarm, a door phone operation guide, a call response, etc., wherein the operation button is operated by operating the button at the first operation. , And a two-stage switch structure (23a, 23b, 23c, 23d) that causes the next operation to execute the function. The intercom master unit describes the function by the first operation of the operation button. A sound generation circuit (35) that emits a sound from the loudspeaker by voice.