JPH11275238A - Interphone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an improved interphone system with excellent operability which maintains privacy in each room, and which is also capable of variably setting a continuation time of simultaneous speech-enable state corresponding to conditions. SOLUTION: This system is composed of an interphone master unit A, one or plural hand sets C1 and C2 of doorphone and one or plural interphone-master sub units B1 -B3 , wherein the master unit can connect the hand sets of doorphone and the sub-master units, and the sub-master unit can connect the master unit and other sub-master unit, and the respective master unit and the sub-master unit enable simultaneous extension call speaking operation capable of mutually listening to voices and speaking. Concerning such an interphone system, the master unit and the sub-master unit are respectively provided with a means 23 for canceling the simultaneous extension call speaking function as needed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in an intercom apparatus used in a two-family house or the like.

[0002]

2. Description of the Related Art In recent years, two-family homes in which two families with different living spaces live in one home have become widespread. In addition, as an intercom system, it is possible for residents to talk while watching the image of visitors visiting the entrance while staying in the house, and also to make simultaneous calls and individual calls between the rooms in the house. TV intercom devices have become widespread. Further, as an intercom device, a plurality of TV intercom handsets equipped with a TV camera can be connected and a plurality of TV interphone sub master units can be connected so as to be able to cope with a house having a large number of rooms and a two-family house. Some have been provided with a TV intercom master unit that can be connected in serial or parallel.

[0003]

However, in the conventional intercom apparatus having the extension simultaneous call function, when the extension simultaneous call operation is performed, the intercom master and the respective interphone submasters connected as a system are simultaneously operated. After the extension ringing tone sounds, the multi-party call function is automatically activated for a predetermined period of time (for example, 10 seconds), so that all rooms can be in a simultaneous call state.
You will be able to hear each room's audio. Therefore, there is a problem that the privacy between the rooms is impaired for a short predetermined time (for example, 10 seconds). In addition, the predetermined duration during which simultaneous call can be performed is set in advance, for example, to 10 seconds, and the duration cannot be changed according to circumstances.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide an excellent intercom apparatus which does not impair privacy between rooms. It is an object of the present invention to provide an easy-to-use and excellent intercom apparatus capable of variably setting the duration of a simultaneous call-enabled state according to circumstances.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides an interphone master unit, one or more intercom units, and one or more intercom units. The intercom master unit is configured to include the intercom master unit, the intercom master unit can connect the intercom slave unit and the interphone master unit, and the interphone master unit can connect the interphone master unit to another interphone master unit. The intercom base unit and the intercom sub-base unit each perform an extension paging call operation to enable an extension paging call to enable an extension paging call state in which the user can hear each other and talk. And each of the intercom secondary master units are provided with an extension paging call release means for releasing the extension paging call function as necessary. And wherein the Rukoto.

In the invention according to claim 2, the extension paging call state is automatically turned off after a predetermined duration has elapsed, and the extension paging call that variably sets the predetermined duration is set. It is characterized by comprising variable duration setting means.

In the invention according to claim 3, each of the intercom master unit and the interphone sub master unit includes the extension paging call duration variable setting means, and the extension paging call duration is set to each of the extension paging call durations. The extension paging call duration is set to be the maximum time of the extension paging call duration set in the extension paging call duration variable setting means.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An intercom apparatus according to an embodiment of the present invention will be described below in detail with reference to FIGS. 1 is a system configuration diagram showing an intercom apparatus, FIG. 2 is a block diagram showing an intercom master, FIG. 3 is a perspective view showing an appearance of the interphone master, and FIG. 4 is a partial view showing a main part of the appearance of the interphone master. FIG. 5 is a front view showing a state in which an extension chime is connected to the intercom master unit.
6 is a block diagram showing an intercom secondary master unit, FIG. 7 is an explanatory diagram showing types of lighting states of a call lamp, FIG. 8 is an explanatory diagram showing types of ringing sounds, and FIG. 9 is an external view of a door phone handset. FIG.

As shown in FIG. 1, this intercom apparatus
Are intercom master A and intercom assistant B_1,…
B_ThreeAnd door phone cord C_1,C_TwoAnd Interho
A main phone A has a door phone slave C₁Is line L₁Through
Door phone cord C_TwoIs line L_TwoThrough the intercom deputy
Master B₁Is line L_ThreeVia the intercom secondary master unit B _Two
Is line L_FourConnected to each other. Inter
Hong Submaster Unit B_TwoHas a line L_FiveThrough the intercom deputy
Master B_ThreeIs connected. In addition, this intercom system
The installation is two doorphone handsets C_1,C_TwoCan be connected
Where you can talk while watching the visitors
It is a so-called TV intercom device for two-family housing.

As shown in FIGS. 3 and 4, the intercom master unit A has a monitor screen 10 on the front,
A monitor button 11, a call microphone 12, a call button 13, a call lamp 14, a speaker 15, and a line busy lamp 1.
6, a room call A button 17 and a room call B button 18, and a power switch 19 and a group setting switch 2
0, a doorphone setting switch 21, a doorphone setting switch 22, a talkback setting switch 23 corresponding to an extension paging call canceling means, and a paging time setting unit 24 corresponding to an extension paging call duration variable setting means.
And

As shown in FIG. 2, the intercom master unit A includes a microcomputer 30, a door phone call detection circuit 31, a door phone call detection circuit 32, a ring sound circuit 33, and a call circuit 34, as shown in FIG. It includes a television circuit 35, a control signal circuit 36, a multiplexing circuit 37, a switching contact 38, and a microphone mute circuit 39. Further, an extension chime D can be connected to the intercom master unit A as shown in FIG.

The extension chime D can be added to both the intercom master unit A and the intercom subsidiary master units B _1, ..., B ₃ , and it can be seen that the extension chime D is called by persons with hearing impairments. as such, intercom master unit a or intercom sub master unit B _1, ... when B ₃ the call is made, to notify by flash light.

Each intercom sub master unit B_1,... B_ThreeFigure 1
As shown in the figure, the appearance is the same as the intercom master unit A.
is there. Each intercom sub master unit B_1,... B_ThreeIs also internally
As shown in FIG. 6, it is substantially the same as intercom master unit A,
The difference is that the doorphone call detection circuit 31 and the doorphone
Call detection circuit 32, multiplexing circuit 37, switching contact 3
8 is not provided. Therefore, the interface shown in FIG.
-Phone sub master unit B_1,... B _Three, The intercom master unit
The same parts as those in A are denoted by the same reference numerals, and detailed description is omitted.
I do.

As shown in FIG. 9, the intercom slave units C _{1 and} C ₂ are externally provided with a camera unit 40 and a speaker 41.
, Position indicator light 42, call button 43, call microphone 44
And

The monitor screen 10 displays the door phone slave units C _{1 and} C ₂
The video captured by each camera unit 40 is
This is a part that is projected through the LCD, and is configured by a liquid crystal screen. From the monitor button 11 in the dwelling is a part for press operation to check the state of the entrance, when the press operation of the monitor button 11, the camera unit 40 of the intercom slave unit C ₁ or intercom slave unit C ₂ The image to be captured is displayed on the monitor screen 10, and the voice picked up by the call microphone 44 of the intercom slave C ₁ or the intercom C ₂ is output from the speaker 15. Incidentally, in this intercom device, can monitor the video and audio from the intercom slave unit C ₁ Press monitor button 11 once, the monitor button 1
Press 1 twice when possible to monitor the video and audio from the intercom slave unit C _2, the monitor status is automatically turned off after a lapse of 10 seconds.

The call microphone 12 has a
_1, or a call with doorstep visitors through the C _2, when performing extension call between the interphone sub master unit B _1, ... B _3, to pick up the voice. The call button 13 is a door phone slave C
_This is a part for performing a push operation when responding to a call from _{1, 2} or the intercom sub master unit B _1, ..., B ₃ .

The call lamp 14 blinks at the time of calling and lights up at the time of calling, and the luminescent color changes as shown in FIG. 7 according to the calling source so that it can be seen at a glance where the calling is from. ing. The speaker 15 is
When residents or perform extension call between the doorphone slave unit C _1, or a call through the C ₂ and the front door of the visitor, intercom sub master unit B _1, ... B _3, call ringing signal and voice The signal is converted into a ring tone or voice and output.

The line busy lamp 16 is connected to another
Master A / Interphone Secondary Master B_1,... B_ThreeIs on a call
Or the door phone setting switch 21 or
Set to “OFF” by doorphone setting switch 22
Doorphone cord C_1,C _TwoIs called from
Lights up to indicate that the line is in use.
You.

The indoor call A button 17 is set to the intercom master unit A / intercom assistant master unit B ₁ ,.
_This is the part to be pressed when calling ₃
The button 18 is a part to be pressed when calling the intercom master unit A / intercom sub master units B _1, ..., B ₃ set in the B group. The setting of the A group / B group is set by the group setting switch 20. The power switch 19 is for turning the power on and off, and is composed of a two-stage slide switch.

The group setting switch 20 determines which group in the A group / B group the device belongs to, and is constituted by a three-stage slide switch, and includes "A group" / "B". Group "/" A
+ B group ". In addition,
Devices for which “A + B group” has been selected belong to both the A group and the B group.

The intercom set switch 21, when the call button 43 of the intercom slave unit C ₁ is pressed, which the device to determine whether to sound the ring tone, 2
It consists of a stage slide switch. Intercom setting switch 22, when the call button 43 of the intercom slave unit C ₂ is pressed, which the device to determine whether to sound the ring tone, and in two-step slide switch .

That is, for example, as shown in FIG. 1, the intercom master unit A and the intercom sub master unit B on the parent household side.
_{In the case of 1} , the intercom setting switch 21 is set to “ON”.
And intercom set to the side switch 22 is set to "OFF" side, with the interphone sub master unit B _2, B ₃ is a child household side, and the intercom set to the intercom setting switch 21 is "OFF" side switch 22 if but is set to "oN" side, as shown in FIG. 8, when the call button 43 of the intercom slave unit C ₁ is pushed, intercom master unit a and the interphone sub master unit is the parent households side it B ₁ and only sounding as "ping-pong", when the call button 43 of the intercom slave unit C ₂ is pushed, the child household is side interphone sub master unit B _2, only the B ₃ is a "ping-pong ping-pong" Sound.

[0023] Incidentally, for example, if the interphone parent device A doorphone setting switch 21 and the door phone setting switch 22 that are configured as both "ON" side, intercom master unit A, the call button 43 of the intercom slave unit C ₁ is depending both on even when operated press call button 43 of the intercom slave unit C ₂ even when it is pressed by ringing, yet sounding whether sounding as "ping-pong""ping-pongping-pong", the intercom slave unit C _1, or a can be determined either is depression of C ₂ call button 43. Also, for example, intercom master unit A
If both the intercom setting switch 21 and the intercom setting switch 22 are set to the “OFF” side, the intercom master unit A will operate the intercom master unit A regardless of which of the call buttons 43 of the intercom slave units C _{1 and} C ₂ is pressed. Do not ring. The same applies to the intercom sub master units B _1, ..., B ₃ .

The talkback setting switch 23 is for maintaining the privacy between the rooms where the intercom master unit A or the intercom master units B _1, ..., B ₃ are installed, and is constituted by a two-stage slide switch. ing.

Hereinafter, the function of the talkback setting switch 23 will be described in detail. The group setting switches 20 of the intercom master unit A and the intercom sub master unit B ₁ are set to “A group”, and the group setting switches 20 of the intercom sub master units B _{2 and} B ₃ are set to “B”, respectively.
It is set to the group ", moreover intercom master unit A and interphone sub master unit B _1, B ₂ each talkback setting switch 23 is set to" ON "side, talkback setting switch 23 of the interphone sub master unit B ₃ Is set to the “off” side. Then, for example, intercom when the master unit and was pressed indoor call A button 17 and the indoor call B button 18 and at the same time the A, intercom master unit A and interphone sub master unit B _1, ... extension unison as "boo" from B ₃ A ringing tone sounds for a short time.

[0026] Mutual When this extension paging ringing ends, each of the intercom master unit A and interphone sub master unit B _1, B ₂ is automatically turned extension paging call state that the voice can call to hear one another Will be able to make three-way calls. However, in the intercom sub master unit B _3, since talkback setting switch 23 is set to "OFF" side, intercom master unit A and interphone sub master unit B
_1, although the B ₂ voice can be heard, unless pressed the call button 13 of the interphone sub master unit B _3, the automatic voice signal by the microphone mute circuit 39 to pick up an instruction by calling the microphone 12 from the microcomputer 30 since releasing the extension paging call function by blocking manner, it is impossible to hear to pick up the call microphone 12 intercom sub master unit B ₃ from intercom master unit a and interphone sub master unit B _1, B ₂ . In other words, it is possible to maintain the privacy of the room to be installed in the interphone sub master unit B _3.

The extension paging call state means that the extension paging call duration set by the paging time setting unit 24 has elapsed, except for the call operation of the called button 13 on the called side. Then it turns off automatically. Further, at the time of the extension paging call state, if pressed the call button 13 of the interphone sub master unit B _3, it is possible to participate in the extension paging calls from interphone sub master unit B _3, the call button 13 , So that the intercom master unit A
Internal calls between the interphone sub master unit B ₃ and continues.

The general call time setting unit 24 is a part for setting the duration of the state of the general paging call, which is started immediately after the completion of the general paging ringing, and is constituted by a slide volume. The simultaneous call time setting unit 24 can be variably set within a range of, for example, 10 seconds to 30 seconds. In addition, although not limited to this, in this intercom apparatus, the simultaneous call time setting unit 24 includes the interphone master unit A and the interphone sub master unit B.
_1, ... provided in each of the B _3, it is adapted to be set to the maximum time in the extension paging call duration time is set in each. Therefore, in this intercom apparatus, if the setting of the simultaneous call time setting unit 24 is always set to the shortest time, for example, 10 seconds unless there is a special reason, the room can be set at 10 seconds from any room. Seconds to 3
It can be adjusted as needed within the range of 0 seconds.

The microcomputer 30 includes a microprocessor (not shown), a storage unit (not shown), and an input / output port (not shown), and controls the entire intercom master unit A. Intercom call detection circuit 31 informs the microcomputer 30 detects the pressing of the call button 43 of the intercom slave unit C _1. Doorphone call detection circuit 32
Notifies the microcomputer 30 detects the pressing of the call button 43 of the intercom slave unit C _2.

The ringing tone circuit 33 is a section for synthesizing and generating a ringing tone as an electric signal based on an instruction from the microcomputer 30 and outputting it to the speaker 15. Ringer circuit 33 include, but are not limited to, for example, as shown in FIG. 8, the ringing tone generated synthesized the call button 43 of the intercom slave unit C ₁ is pressed as "ping-pong", Doahonko When the call button 43 of the vessel C ₂ is pressed to generate synthesized a ringing tone as "ping-pong ping-pong", the ring tone generated synthesized the indoor call a button 17 and the indoor call B button 18 is pressed as "boo", respectively By differentiating the timbre, the meaning can be understood only by hearing the ringing sound.

The speech circuit 34 amplifies the audio signal from the speech microphone 12 and multiplexes it into the multiplexing circuit 37 and the intercom slave units C _{1 and} C _1.
2 and amplify the audio signals from the multiplexing circuit 37 and the intercom slave units C _{1 and} C ₂ and output them to the speaker 15. Television circuit 35 receives the front door of the video signal to image the camera unit 40 of the intercom slave unit C _1, C _2, displaying an the video on the monitor screen 10. The control signal circuit 36
When receiving the press operation or notification for which the depression of the call button 43 of the intercom slave unit C ₂ call button 43 of the intercom slave unit C ₁ from the microcomputer 30, call control indicating the intercom slave unit C _1, C ₂ The signal is transmitted from the multiplexing circuit 37 to the interphone sub master units B _1, ..., B ₃ .

The multiplexing circuit 37 multiplexes the audio signal, the video signal, and the control signal and transmits the multiplexed signal. Switching contact 38, which operates based on an instruction of the microcomputer 30, selects one of the intercom slave unit C _1, C _2. The microphone mute circuit 39 operates based on an instruction from the microcomputer 30 and is configured to cut off an audio signal from the telephone microphone 12. For example, the monitor button 11 is pressed to display the state of the front door with video and sound. It is activated to check the sound of the room at the entrance so that the sound inside the house cannot be heard. If the talkback setting switch 23 is set to the "OFF" side, the sound of the room at the time of extension simultaneous call And so on.

The camera units 40 of the doorphone slave units C _{1 and} C ₂ are:
An image of a visitor at the entrance or the state of the entrance is output and a video signal is output. Speaker 41 for intercom slave unit C _1, C ₂ is
The voice signal of a resident in the house is converted into voice and output to a visitor at the entrance. Intercom slave unit C _1, a position indicator 4 C ₂
Reference numeral 2 indicates that the power is turned on, and the position of the call button 43 can be confirmed even in a dark place at night. Intercom slave unit C _1, C ₂ of the call button 43
Is a push operation when a visitor calls a resident in the house. Intercom slave unit C _1, a call microphone 44 of C ₂
Picks up the sound of the entrance or the voice of the visitor and outputs it to the intercom master unit A.

Therefore, the interface configured as described above is used.
In the case of the intercom device, the intercom master unit A and 1 or
Multiple doorphone handsets C_1,C_TwoAnd one or more interfaces
-Phone sub master unit B_1,... B_ThreeAnd the
Phone master A is door phone slave C _1,C_TwoAnd intercom deputy parent
Machine B_1,... B_ThreeCan be connected to the
_1,... B_ThreeIs the intercom master A and the other intercom assistant
Machine B_1,... B_ThreeCan be connected to the intercom parent
Machine A and intercom secondary master device B_1,... B_ThreeEach of the phases
Extension paging through which you can hear each other and talk
It is possible to operate the extension paging call to put it in a talk state.
In one intercom apparatus, intercom master unit A and
And intercom secondary master B_1,... B_ThreeEach of them as needed
To release the simultaneous extension call function
Talkback setting switch equivalent to ringing call release means
23 each to keep privacy
Just set the talkback setting switch 23 to the “OFF” side
Good and easy to use.

Further, the extension paging call state is automatically turned off after a predetermined duration has elapsed, so that the extension paging call duration is variably set without forgetting to turn off. Since the simultaneous call time setting unit 24 corresponding to the means is provided, the extension simultaneous call time can be varied as required, and the usability is good.

Further, each of the intercom base unit A and the intercom sub-base units B _1, ..., B ₃ is provided with a simultaneous call time setting unit 24 corresponding to an extension simultaneous call communication duration variable setting means. The continuation time is set to be the maximum time of the extension paging call duration set in each paging time setting unit 24, so that the extension paging call can be continued from any room as needed. It can be used with variable time and it is easy to use.

In the above embodiment, a TV intercom apparatus compatible with a two-family house consisting of a parent household and a child household has been exemplified. However, the present invention is not limited to the above-described embodiment. Needless to say, an intercom device having an extension simultaneous call function may be used, and a television function and a function of connecting a plurality of intercom units may be omitted.

[0038]

According to the first aspect of the present invention, an easy-to-use and excellent intercom that can maintain privacy as required by simply setting the extension paging call function to the cancellation by the extension paging call canceling means. This has the effect that the device can be provided.

According to the second aspect of the present invention, in addition to the effect of the first aspect of the present invention, the duration of the extension simultaneous call can be varied as required, thereby providing an excellent intercom apparatus which is more convenient to use. It has the effect of being able to.

According to the third aspect of the invention, in addition to the effect of the second aspect of the invention, it is possible to use the extension simultaneous call duration continuously from any room as needed. This has the effect of providing an excellent intercom device that is easy to use.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram showing an intercom apparatus according to an embodiment of the present invention.

FIG. 2 is a block diagram showing an intercom master of the intercom apparatus.

FIG. 3 is a perspective view showing an appearance of an intercom master unit of the intercom apparatus.

FIG. 4 is a partial view showing a main part of an appearance of an intercom master of the intercom apparatus.

FIG. 5 is a front view showing a state in which an extension chime is connected to an intercom master of the intercom apparatus.

FIG. 6 is a block diagram showing an intercom secondary master unit of the intercom apparatus.

FIG. 7 is an explanatory diagram showing types of lighting states of a call lamp of the intercom apparatus.

FIG. 8 is an explanatory diagram showing types of ringing of the intercom apparatus.

FIG. 9 is a perspective view showing an external appearance of a door phone handset of the intercom apparatus.

[Explanation of symbols]

A Intercom master unit B _n Interphone sub master unit (where n is an integer of 1, 2, 3) C _n Door phone handset (where n is an integer of 1 or 2) 23 Extension call canceling means 24 Extension call continuing Time variable setting means

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masaki Nobayashi 1048 Kadoma Kadoma, Osaka Pref.Matsushita Electric Works, Ltd.

Claims (3)

[Claims] 1. An intercom master unit, one or more intercom slave units, and one or more intercom sub master units, wherein the intercom master unit can connect the intercom slave unit and the interphone sub master unit. The intercom master unit can connect the interphone master unit and another interphone master unit, and each of the interphone master unit and the interphone master unit can listen to each other's voice and make a call simultaneously. In an intercom apparatus that enables a simultaneous extension call operation to be in a call state,
Each of the intercom master unit and the intercom assistant master unit,
If necessary, cancel the extension paging function.
An intercom apparatus comprising an extension simultaneous call release means. 2. The extension paging call state is automatically turned off when a predetermined duration has elapsed, and an extension paging call duration setting means for variably setting the predetermined duration is provided. The intercom device according to claim 1, wherein 3. The intercom master device and the intercom sub master device each include the extension paging call duration variable setting means, and the extension paging call duration variable setting means respectively. 3. The intercom apparatus according to claim 2, wherein the intercom apparatus is set to the maximum time of the extension paging call duration set in (1).