JPH0799546A - Interphone system - Google Patents

Abstract

PURPOSE:To attack mischief through the depression of an attack switch only by depressing the attack switch of an intercom master set to return a voice inputted from an intercom slave set thereby returning it to the intercom slave set as it is. CONSTITUTION:When an attack switch 1a of an intercom master set 1 is depressed, an attack signal is inputted to a microcomputer control circuit 6. The attack signal is fed from the control circuit 6 to a gain adjustment circuit 2 by feeding back a voice signal of a visitor from the intercom slave set 16 to a modulation circuit 8 by an attack feedback control circuit (not shown) provided to the control circuit 6. When the attack switch 1a is depressed, an AMPA 3 used for usual calling is opened to open an amplifier AMPB 4 and to compensate a loss of the gain required for transfer from a message transfer circuit thereby correcting the gain to obtain the gain similar to that in the usual talking. The attack signal entered to the amplifier AMPB 4 is modulated by the modulation circuit 8 together with the voice signal of the visitor and the modulated signal is demodulated by a demodulation circuit 7 of the intercom slave set 16 and the demodulated signal is outputted from a speaker SP as the attack voice sound.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intercom system having a function of repelling mischief or tampering.

[0002]

2. Description of the Related Art In the intercom system, when the call button of the intercom subunit installed at the entrance is pushed at present, a ring tone is output on the intercom master side in the room, and if you pick up the handset to answer this call, you can talk. Becomes
By the way, in such an intercom system, even when a visitor who does not intend to meet on this side visits, he / she has to make a call through the handset once. Therefore, when busy, visitors who are not willing to meet,
It can be very annoying in the case of a child's mischief or the unscrupulous mischief, and at times unfortunately, you will be greeted at the front door for foreclosure and suspicious invitations.

[0003]

However, making a call with a visitor who is not willing to meet is a waste of time and is not good for mental health. Therefore, the present invention has been proposed in order to solve this type of problem, and an object thereof is to provide an intercom system including an intercom base unit provided with various additional functions. .

[0004]

By the way, the following functions are added to the present invention proposed for such a purpose. That is, the intercom system proposed in claim 1 has a prank repulsion function added,
Therefore, the intercom base unit is provided with a mischievous repulsion switch, and when the repulsion switch is pressed, the voice message of the guest coming in from the intercom subunit is returned to the intercom subunit as it is.

Further, the intercom system proposed in claim 2 is provided with a voice conversion function. Therefore, if a voice change switch is provided in the intercom base unit and the voice change switch is operated, the intercom base unit is operated. The voice of the dwelling person input from is converted into a masculine voice with a low frequency and is output from the speaker of the intercom subunit.

Since the intercom system proposed in claim 3 is provided with an answering machine answering function, the intercom base unit is provided with an answering machine switch, and when this answering machine switch is pressed, a voice message prerecorded is intercomed. It is configured to output from the slave unit.
The intercom system proposed in claim 4 is
Since the absence setting function is added, the intercom base unit is equipped with an absence setting switch.After pressing this absence setting switch to set the answering answer mode, after automatically answering the call of the intercom subunit, , A pre-recorded voice message is output from the intercom subunit.

In the intercom system proposed in claim 5, the intercom base unit is provided with an absence setting switch and a response switch, and after setting the absence answer mode by the absence setting switch, the handset is taken up, When the answer switch is operated, the absence answering mode is released and the call can be communicated with the intercom subunit.

The intercom system proposed in claim 6 has a hands-free function in addition to the additional functions described in claims 1 to 5, and therefore an intercom base unit is provided with a switch during a call. By pressing the switch during a call, you can talk without using a handset.

[0009]

The basic operation of the intercom system proposed as the present invention is as follows. According to the intercom system proposed in claim 1, when there is a call from the intercom subunit, the intercom master unit outputs a ringing tone. Therefore, in order to respond to the response, the handset is picked up, the voice of the visitor is confirmed, and when it is judged that the visitor is the one who should be repelled, the prank repulsion switch is operated. Then, the voice of the visitor input from the intercom subunit is
As it is output from the intercom subunit, it can repel visitors.

According to the intercom system of the second aspect, when there is a call from the intercom subunit, the intercom master unit outputs a ring tone. Therefore, in order to respond to the response, the handset is picked up, the voice of the visitor is confirmed, and when it is determined that the visitor is the one who should be repelled, the voice change switch is operated. Then, the voice of the dwelling person inputted through the handset of the intercom master unit is converted into a masculine voice having a low frequency and is output from the intercom subunit. Therefore, even if the dwelling person who responds with the intercom base unit is a woman, he / she can respond with peace of mind.

According to the intercom system of the third aspect, when there is a call from the intercom subunit, the intercom master unit outputs a ringing tone. Therefore, in order to respond to the response, the handset is picked up, the voice of the visitor is confirmed, and when it is determined that the visitor should be repelled, the absence switch is operated. Then, the voice of the dwelling person inputted through the handset of the intercom master unit is converted into a masculine voice having a low frequency and is output from the intercom subunit.
Therefore, even if the dwelling person who responds with the intercom base unit is a woman, he / she can respond with peace of mind.

According to the intercom system of the fourth aspect of the invention, when the absence setting switch is operated, the absence answer mode is set. In this absence setting mode, a prerecorded voice message can be output from the intercom subunit automatically in response to a call from the intercom subunit. According to the intercom system of claim 5,
After operating the absence setting switch to set the answering mode, pick up the handset to respond to the intercom subunit and operate the answer button to automatically release the answering mode and talk with the intercom subunit. Can be done.

According to the intercom system of the sixth aspect, since the hands-free function is added, the call can be made without the handset by merely operating the switch during a call to respond to the visitor. Further, in the present invention, the switch for implementing the hands-free function is used as the call-in-progress switch and shared with the response switch as in a normal hands-free telephone, but it may be provided separately. Also, it may be shared with other functions, and when you operate it,
It suffices if the hands-free function can be set.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows an external appearance of an intercom master unit that is a main configuration of an intercom system of the present invention. The intercom master unit 1 shown here is one provided with functions for repelling mischief and an absence setting. Cage (Claims 1, 3, 6), 1a is a mischievous repulsion switch, 1b
Indicates an absence setting switch. It also has a hands-free function, and for that reason there is no handset, and a call switch 1c is provided. In addition, 1d is a monitor switch, which supplies power to an intercom subunit (not shown),
The ambient sound collected from the microphone of the intercom subunit is emitted from the speaker 1e of the intercom master unit 1.

FIG. 2 is a block diagram showing a circuit configuration of the intercom system of the present invention corresponding to FIG. Next, the intercom system of the present invention will be described in detail with reference to these drawings. In FIG. 2, 1 is an intercom master unit, 2 is a gain adjustment circuit for adjusting the transfer gain between the repulsion voice signal from the intercom slave unit 16 and a normal call signal, and 3 is a normal call from the intercom slave unit 16. Amplification amplifiers AMPA, 4 that enable the above-mentioned operations are amplification amplifiers AMPB that compensate the transfer gain due to the repulsion function, and 5 are amplification amplifiers AMPC that output the audio signal from the master unit to the slave unit. Reference numeral 6 is a microcomputer control circuit for controlling push buttons of the respective buttons on the operation panel of the base unit and a calling signal from the handset unit, and 7 is a speaker SP of the intercom base unit 1 for demodulating an audio signal from the intercom handset unit 16. It is a demodulation circuit that outputs more. 8
Is a modulation circuit for inputting a response signal from the intercom base unit 1 and modulating it for demodulation to a slave unit, and 9 is a call control circuit section for switching the output to the microphone MIC or the speaker SP.

Reference numeral 1a is a repulsion switch that sets a repulsion function to repel a visitor, and 1c is a response button for inputting voice in response to a calling signal from the intercom subunit 16.
Reference numeral d is a monitor button for collecting ambient sound around the entrance, and 1b is an absence setting button. Reference numeral 14 is an intercom control circuit for controlling the intercom subunit, and 15 is a call button 16a of the intercom subunit 16.
Is a call detection circuit that sends a detection signal to the microcomputer control circuit in response to the above.

FIG. 3 is an operation explanatory diagram showing an absence setting function that can be set on the side of the intercom base unit. To explain this basic operation, if the absence setting button 1b is operated prior to calling from the intercom subunit, the answering mode is set, and after answering the call from the intercom subunit, after picking up the handset, or With a hands-free function, when the switch is operated during a call, the intercom base unit can output a voice message pre-recorded to the intercom subunit.

That is, in this absence setting mode, a voice message prerecorded can be output from the intercom slave 16 automatically in response to a call from the intercom slave 16. Further, even after the absence setting button 1b is operated to set the absence answer mode, if the answer button 1c is operated to respond to the intercom slave 16, the absence answer mode is automatically released and the intercom slave 16 is operated. Can make a phone call.

FIG. 4 is a schematic external view of an intercom master unit having a voice changer function. This intercom master unit also has a handsfree function (claims 2, 3, 4, 5). 1f is a voice change switch. FIG. 5 shows a circuit configuration of a main part of the intercom master unit 1 having a voice change function. 1
Reference numeral 9 is a voice changer circuit including a frequency conversion circuit 19a for converting a voice input from the microphone MIC into a low frequency voice, and 20 is a voice switch circuit.

Finally, the basic operation of the intercom system will be described with further reference to FIG. When the repulsion switch 1a of the intercom base unit 1 is pressed, a repulsion signal is input to the microcomputer control circuit 6. The repulsion signal feeds back the visitor's voice signal from the intercom subunit 16 to the modulation circuit 8 by a repulsion signal feedback control circuit (not shown) provided in the microcomputer control circuit 6, and the repulsion signal is supplied from the microcomputer control circuit 6 to the gain adjusting circuit. Enter 2.
When the repulsion switch 1a is pressed, the AMPA3 used for a normal call is turned off, the amplification amplifier AMPB4 is turned on to compensate for the loss of gain caused by the transfer from the message transfer circuit, and the same gain as that for a normal call is obtained. In order to obtain it, the gain is corrected. The repulsion signal that has entered the amplification amplifier AMPB4 is modulated by the modulation circuit 8 together with the voice signal of the visitor, demodulated by the demodulation circuit 7 of the intercom subunit 16 and output as repulsion sound from the speaker SP.

Next, when the repulsion switch 1a of the intercom master unit 1 is not pressed, the response button 1C of the intercom master unit 1 is pushed in response to the call button 17 from the intercom slave unit 16. The microcomputer control circuit 6 confirms that the repulsion switch 1a is not pressed. next,
Since the response button 1c is pushed, the voice signal enters the microcomputer control circuit 6 and the amplification amplifier AM of the gain adjustment circuit 2
Turn on PA3. Here, as in the case of the repulsion signal transfer described above, an amplification amplifier AMPA3 is provided in order to compensate the transfer gain during a call, and the call voice signal is demodulated and output from the speaker SP of the intercom subunit 16.

In the intercom with repulsion function according to the present embodiment, since the gain adjusting circuit 2 is provided so that the total gains obtained by the amplifiers AMPA, AMPB, and AMPC are equal to each other, the same as in a normal call. The repulsion voice can be sent back to. Next, the intercom system proposed in claims 3 to 5 will be described. The intercom base unit 1 is provided with a memory unit having a recording function and records an absence message.

In the present embodiment, when a person wants to stay away from home and wishes to stay out of the house, it may be a religious group or a person who knows that the person is for sale as shown in FIG. First, when the answering button 1b is pressed and a calling signal is input from the intercom subunit 16, a calling detection signal is input to the microcomputer control circuit 6, and the microcomputer control circuit 6 causes the answering message stored in the microcomputer ROM. "Yes" is transferred from a message transfer circuit (not shown).

The presence / absence message of the microcomputer memory enters the modulation circuit 8, and the transfer signal enters the gain adjustment circuit 2 from the microcomputer control circuit 6. When the absence button 1b is pressed, the AMPA3 used for a normal call is turned on and the modulation circuit 8
Is modulated by. Here, as in the case of the repulsion described above, the amplification amplifier AM is used to compensate the transfer gain during a call.
PA3 is provided, and the voice signal of the absence message is demodulated and output from the speaker SP of the intercom subunit 16.
After that, when the visitor hears the above "Yes" response message, "This is the Unification Church ..." or "
Input any of the following messages from the MIC of the intercom slave 16.

This voice signal is detected as described above, and is output to the speaker SP of the intercom master unit 1 by the microcomputer control circuit 6. The resident chooses whether or not to respond to the visitor depending on the message. If you do not have a will to respond, simply press the absence button 1b and wait for the visitor's message "This is the Unification Church ...", then the response message stored in the microcomputer ROM will follow "Yes" above. "I'm going out a little closer." A male voice announces the absence message and ends with a beep.

Further, if there is an intention to respond, the answer button 1c of the intercom base unit 1 may be pressed to enter a normal talking state, and when the handset shown in FIG. The signal enters the modulation circuit 8, is transmitted from the microcomputer control circuit 6 to the gain adjustment circuit 2, is demodulated, and is output to the speaker SP of the intercom subunit 16.

Next, the operation when the absence button 1b is not pressed will be described. The visitor is the call button 1 of the intercom slave 16.
When 6a is pressed, the chime sounds in the intercom base unit 1, and the dweller presses the response button 1c to reply "Yes". On the other hand, if you don't want to see me because there is a reply from the intercom sub-unit 16 "This is the Unification Church," immediately press the absence button 1b, and the message contents stored in the microcomputer ROM will be displayed, "a little closer."I'm out. " If the person who knows the sound from the intercom subunit and has the intention to meet, presses the response button 1c and then answers "Yes", and continues the call.

In this embodiment, the voice of the visitor can be used to determine the will to meet in advance and respond. If the contents of the memory are changed and recorded, it can be used for various repulsions. Further, even if there is a visit while pressing the monitor button 1d of the intercom base unit 1 to monitor the front door, it is possible to select the visitor by pressing the residence button 13 in the same manner as above.

[0029]

According to the intercom system proposed in claim 1, the mischief can be repelled simply by pressing the mischief repulsion switch. In addition, the repulsion effect is improved because it is possible to repel at a voice level similar to that of a normal call. According to the intercom system proposed in claim 2, the voice input from the intercom base unit can be output to the intercom subunit as low-frequency voice, so that even a woman can respond with peace of mind.

According to the intercom system proposed in claims 3, 4, and 5, since the intercom system is provided, if the voice of the intercom subunit is confirmed and then the voice mail switch is pushed, a voice message recorded in advance is recorded. Can be repelled by outputting from the intercom subunit. Since the intercom system proposed in claim 6 has the hands-free function, it is not necessary to pick up the handset, and the voice from the intercom subunit can be confirmed.

[Brief description of drawings]

FIG. 1 is a diagram showing an external configuration of an intercom master unit in an intercom system according to the present invention.

FIG. 2 is a block diagram showing a configuration of an electric circuit in the intercom system according to the present invention.

FIG. 3 is an explanatory diagram showing a basic operation of an absence function in the intercom system according to the present invention.

FIG. 4 is a diagram showing an external configuration of an intercom master unit (having a voice change function) in the intercom system according to the present invention.

FIG. 5 is a block diagram showing a configuration of an electric circuit of an intercom master unit (having a voice change function) in the intercom system according to the present invention.

[Explanation of symbols]

 1 Intercom base unit 2 Gain adjustment circuit 3 Amplification amplifier A 4 Amplification amplifier B 5 Amplification amplifier C 6 Microcomputer control circuit 7 Demodulation circuit 8 Modulation circuit 9 Call control circuit 1a Repulsion switch 1b Resident answer switch 1c Response switch 1d Monitor switch 1f Voice change switch 14 Doorphone control circuit 15 Call detection circuit 16 Doorphone subunit 16a Call button 19 Voice checker circuit 20 Voice switch circuit

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[Procedure amendment]

[Submission date] November 14, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] 0023

[Correction method] Change

[Correction content]

In the present embodiment, in the case of staying at home and wishing to leave the house, a person who knows that it is a jump-in sale as shown in FIG. 3 can be considered. First, when the answering button 1b is pressed and a calling signal is input from the intercom subunit 16, a calling detection signal is input to the microcomputer control circuit 6, and the microcomputer control circuit 6 causes the answering message stored in the microcomputer ROM. "Yes" is transferred from a message transfer circuit (not shown).

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] 0024

[Correction method] Change

[Correction content]

The presence / absence message of the microcomputer memory enters the modulation circuit 8, and the transfer signal enters the gain adjustment circuit 2 from the microcomputer control circuit 6. When the absence button 1b is pressed, the AMPA3 used for a normal call is turned on and the modulation circuit 8
Is modulated by. Here, as in the case of the repulsion described above, the amplification amplifier AM is used to compensate the transfer gain during a call.
PA3 is provided, and the voice signal of the absence message is demodulated and output from the speaker SP of the intercom subunit 16.
After that, the visitor hears the response message of "Yes" above, and then inputs either " This is an ABC company ... " or "My neighbor is Tanaka" from the MIC of the intercom subunit 16. .

[Procedure 3]

[Document name to be amended] Statement

[Name of item to be corrected] 0025

[Correction method] Change

[Correction content]

This voice signal is detected as described above, and is output to the speaker SP of the intercom master unit 1 by the microcomputer control circuit 6. The resident chooses whether or not to respond to the visitor depending on the message. If there is no intention to respond, and as it is pressing the button pretend to be out 1b, "this
This is an ABC company ... Waiting for the visitor's message, the response message stored in the microcomputer ROM follows "Yes" above, and then "I go out a little closer.""A voice message is sent in a male voice and it ends with a beep.

[Procedure amendment 4]

[Document name to be amended] Statement

[Name of item to be corrected] 0027

[Correction method] Change

[Correction content]

Next, the operation when the absence button 1b is not pressed will be described. The visitor is the call button 1 of the intercom slave 16.
When 6a is pressed, the chime sounds in the intercom base unit 1, and the dweller presses the response button 1c to reply "Yes". On the other hand, from the intercom child device 16 " Click here A
If you don't want to see me because it's a BC firm, "immediately press the absence button 1b, and the microcomputer ROM
With the message contents stored in the memory, the user is told that he / she is out and is absent.
If the person who knows the sound from the intercom subunit and has the intention to meet, presses the response button 1c and then answers "Yes", and continues the call.

[Procedure Amendment 5]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 3

[Correction method] Change

[Correction content]

[Figure 3]

Front Page Continuation (72) Inventor Masahiro Kikuchi 1048, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Masaki Nobayashi 1048, Kadoma, Kadoma City, Osaka Prefecture (72) Inventor, Tabushi Toshiro 1048, Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Inventor, Takeshi Okuyama 1048, Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd.

Claims (6)

[Claims] 1. An intercom system in which an intercom base unit responds to a call from an intercom slave unit to perform a telephone call. The intercom base unit is provided with a mischievous repulsion switch. An intercom system configured to return the sound input from the intercom subunit when pressed to the intercom subunit. 2. An intercom system in which an intercom base unit responds to a call from an intercom slave unit to make a call. The intercom base unit is provided with a voice change switch. By pressing, the intercom system is designed to convert the voice input from the intercom base unit to low-frequency masculine voice and output it. 3. An interphone system in which an intercom base unit responds to a call from an intercom slave unit to make a call, and the intercom base unit is provided with an absence switch.
An intercom system configured to output a pre-recorded voice message from the intercom subunit by pressing this absence switch after answering the call of the intercom subunit. 4. An intercom system in which an intercom master unit responds to a call from an intercom slave unit to make a call. The intercom master unit is provided with an absence setting switch. An intercom system configured to automatically answer a call to an intercom subunit after setting the answering machine answering mode, and to output a prerecorded voice message from the intercom subunit. 5. The intercom system according to claim 4, wherein the intercom base unit is further provided with a response button, and after the absence switch is set in the absence reply mode,
An intercom system in which a handset is picked up to answer a call of an intercom subunit and a call can be made to the intercom subunit by operating the response button. 6. The intercom base unit is provided with a hands-free function, and when the call button is operated in response to a call from an intercom subunit, a hands-free call can be made. An intercom system according to any one of 3 to 3.