JP2012138873A - Intercom device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an intercom device capable of detecting "sales thought to be malicious" from words spoken by a visitor and urging a resident to pay attention without fetching or registering video images of the visitor.SOLUTION: In the intercom device comprising an entrance slave unit provided with a calling button for a visitor to call a resident and a slave unit microphone and a slave unit speaker for communicating with the resident, and a living room master unit provided with a master unit microphone and a master unit speaker for responding to a call from the entrance slave unit and performing communication, the living room master unit includes: a voice recognition part for performing acquisition from voice inputted from the slave unit microphone and outputting voice data; a database part in which a keyword is recorded beforehand; a comparison part for comparing the voice data extracted in the voice recognition part with the keyword registered in the database part; and a communication control part for superimposing a caution message to the resident on voice from the entrance slave unit and outputting it from the master unit speaker in the case that a result of comparison in the comparison part is a match.

Description

The present invention relates to an interphone device, and more particularly to an interphone device that prompts a resident to be fooled by malicious door-to-door sales by recognizing the voice of a visitor input from an entrance cordless handset.

In recent years, there has been an increase in malicious sales such as sales of “seismic reinforcement”, “solar power generation”, and “fire alarms”. A conventional intercom device has a voice changer function (for example, Patent Document 1) that converts a female voice into a male voice by pressing a specific button of an indoor base unit installed in a living room. An intercom with a function that prompts the user to pick up the product has been commercialized, and it has been proposed to detect "sales that seem to be malicious" by recognizing visitor images (for example, patents) Reference 2).

JP-A-7-99546 JP 2007-208533 A

However, with conventional intercom devices, it is not possible to determine whether the sales are considered malicious unless the sales details are heard, and if there is no knowledge of the product of the sales in the first place, it may be possible to respond without knowing that the sales are malicious. was there.
In addition, in the case of determination based on image processing, it was not possible to cope with the case where the entrance cordless handset was not equipped with a camera.

The present invention has been proposed in view of this point, and detects `` sales that seem to be malicious '' from the words spoken by the visitor without capturing or registering the visitor's video and alerting the resident. An object of the present invention is to provide an intercom apparatus capable of performing the above-described process.

In order to achieve the above object, an intercom apparatus according to a first aspect of the present invention includes a call button for a visitor to call a resident, a handset microphone for calling with a resident, and a handset speaker. In an intercom device composed of an entrance cordless handset, a base phone microphone for making a call in response to a call from the entrance cordless handset, and a master phone speaker, the room base phone is input from the handset microphone. A voice recognition unit that outputs the voice as voice data, a database unit in which a plurality of keywords are recorded in advance, a comparison unit that compares the voice data extracted by the voice recognition unit with the keywords registered in the database unit, If the comparison results in at least one keyword, a warning message is sent to the resident by superimposing the sound from the main unit speaker on the sound from the front door unit. And having a call control unit for force.

  An intercom apparatus according to a second aspect of the present invention is the interphone device according to claim 1, wherein the entrance slave unit includes a slave camera for imaging a visitor, and the room master unit captures an image captured by the slave camera. A video processing unit that displays a caution message to the resident by superimposing the image from the entrance unit on the main unit display unit when the comparison results in the comparison with the main unit monitor It is characterized by that.

Moreover, the intercom apparatus which is the 3rd aspect of this invention WHEREIN: In Claim 1 or Claim 2,
The living room master unit has a network connection unit for enabling the keyword registered in the database unit to be updated from the outside.

According to the first aspect of the present invention, it is possible to alert a user when a keyword is extracted from the content spoken by a salesman who is a visitor and it is determined that the keyword is likely to be malicious. Even without a monitor, it is possible to grasp malicious sales. According to the invention of claim 2, when a monitor is provided in the living room base unit such as a TV door phone, it can be displayed on the monitor as a means of alerting, and the resident is further cautioned. Can do. According to the invention of claim 3, even if what is sold over time changes, a third party can add and change keywords remotely, so the keywords can be changed without depending on the resident's knowledge, etc. -Can be added.

1 is a system configuration diagram of an intercom apparatus according to an embodiment of the present invention. It is a functional block diagram of the intercom device which is an embodiment concerning the present invention. It is explanatory drawing of the database part of the intercom apparatus which is embodiment which concerns on this invention.

Hereinafter, preferred embodiments of an interphone device according to the present invention will be described with reference to the drawings.
FIG. 1 is a system configuration diagram of an intercom apparatus according to the present invention. A call button 11 for a visitor to call a resident, a handset microphone 12 and a handset speaker 13 for a visitor to talk to a resident, A child camera 15 that picks up an image of the person, a child machine monitor 17 that displays a message or the like to a visitor, a call button 21 for responding to a call from the door child machine 1, and a resident A parent unit microphone 22 and a parent unit speaker 23 for calling with a visitor, and a parent unit monitor 2 composed of a parent unit monitor 25 for displaying an image captured by the child unit camera 15 are connected.

In addition, as shown in the block diagram of FIG. 2, the entrance slave unit 1 is a slave unit call circuit for performing a call between the slave unit microphone 12 and the slave unit speaker 13 and the master unit microphone 22 and the master unit speaker 23 described later. 14. Each unit of the child device image processing unit 16 for processing the video imaged by the child device camera 15 or the image output on the child device monitor 17, the child device IF 18 for communicating with the living room parent device 2, and the respective units of the entrance child device 1. A slave CPU 19 to be controlled is included. In addition, the base unit 2 includes a base unit call circuit 24 for performing a call between the base unit microphone 12 and the base unit speaker 13, the base unit microphone 22 and the base unit speaker 23, and the slave unit camera 15 of the entrance slave unit 1. A master video processing unit 26 that performs video processing to display the captured video on the master monitor 25, a voice recognition unit 27 that extracts voice data from voice input by a visitor from the handset microphone 12, and is stored in advance and malicious A database unit 28 for storing keywords such as product names of sales, a comparison unit 29 for comparing whether the voice data extracted by the speech recognition unit 27 matches the keyword stored in the database unit 28, or a database from the outside Controls the network connection unit 30 for adding and changing keywords stored in the unit 28, the base unit IF 31 for communicating with the front door unit 1, and the units of the room base unit 2. And a parent machine CPU32 of order.

The operation of the intercom apparatus configured as described above will be described below.
The visitor calls the resident by pressing the call button 11 of the front door 1. The slave CPU 19 detects that the call button 11 has been pressed, generates a call signal, and transmits the call signal to the living room master 2 via the slave IF 18. In the base unit 2, the call signal is received by the base unit CPU 32 through the base unit IF 31, and a ringing tone is reported from the base unit speaker 23 through the call circuit 24.
Further, the slave camera 15 of the front door slave device 1 is driven under the control of the master device CPU 32 to image a visitor, and the captured image is transmitted through the video processing unit 16, the slave device CPU 19, and the slave device IF 18. 2 is transmitted. In the base unit 2, the base unit CPU 32 receives the video via the base unit IF 31, performs video processing in the base unit video processing unit 26, and then displays the visitor's video on the base unit monitor 25.
When the resident who has confirmed this operation operates the call button 21, a call is started between the handset microphone 12, handset speaker 13, base handset microphone 22, and base handset speaker 23 under the control of the base unit CPU 32 and handset CPU 19. The

For example, if the voice that the visitor utters during the call is “I am making a diagnosis free of charge regarding seismic reinforcement. Please let me diagnose”, this voice is the cordless handset microphone 12 of the cordless handset 1 and the cordless handset. It is transmitted to the room master unit 2 via the call circuit 14, the slave unit CPU 19 and the slave unit IF 18, and is received by the master unit CPU 32 via the master unit IF 31. Then, the voice of the visitor is notified from the parent device speaker 23 through the parent device call circuit 24.
At this time, the voice recognition unit 27 converts the voice of the visitor into voice data as voice data under the control of the master CPU 32. The converted character data is transmitted to the comparison unit 29, and the comparison unit 29 refers to the database unit 28 for comparison with a keyword registered in advance. As shown in the explanatory diagram of FIG. 3, the database unit 28 stores a plurality of keywords, and checks whether there is a match with the keywords in the database unit 28. In this embodiment, since it matches “Taishin Fuku” in the database unit 28, it is determined that it matches the keyword.

The determination result is transmitted from the comparison unit 29 to the base unit CPU 32, and the base unit CPU controls the call circuit 24 to alert the resident. Specifically, a warning sound, for example, “beep, beep, beep” is reported to the resident by superimposing it on the voice of the visitor reported from the master speaker 23. Further, the video processing unit 26 is controlled to superimpose the video from the slave camera 15 displayed on the master monitor 25 so as to display character information and pictograms to alert the resident.
In the above-described embodiment, the parent machine speaker 23 and the parent machine monitor 25 of the living room parent machine 2 are alerted, but a warning is issued from the child machine speaker 13 and the child machine monitor 17 under the control of the parent machine CPU 32. It can also threaten the salesman who is a visitor.
The keywords stored in the database unit 28 are connected to an external device via the network connection unit 30, and can be periodically added or changed.

DESCRIPTION OF SYMBOLS 1 ... Entrance child machine 11 ... Call button 12 ... Child machine microphone 13 ... Child machine speaker 19 ... Child machine CPU
2 ... Living room master 22 ... Parent machine microphone 23 ... Parent machine speaker 25 ... Parent machine monitor 27 ... Voice recognition unit 28 ... Database unit 29 ... Comparison unit 30 ...・ Network connection

Claims (3)

A call button for a visitor to call a resident, an entrance handset having a handset microphone and a handset speaker for making a call with the resident, and a parent for making a call in response to a call from the entrance handset In an intercom device composed of a room base unit having a base microphone and a base unit speaker,
The living room master includes a voice recognition unit that outputs voice input from the handset microphone as voice data, a database unit in which a plurality of keywords are recorded in advance, voice data extracted by the voice recognition unit, and the database As a result of comparison between the comparison unit that compares the keywords registered in the unit and at least one keyword as a result of comparison in the comparison unit, it is superimposed on the sound from the main unit speaker from the main unit speaker to the resident. And a call control unit that outputs a caution message. The entrance cordless handset includes a handset camera for imaging a visitor,
When the room base unit matches the base unit monitor for outputting the image captured by the handset camera and the comparison unit, the image from the entrance unit is displayed on the base unit display unit. The intercom apparatus according to claim 1, further comprising a video processing unit that superimposes and displays a caution message to a resident. The intercom apparatus according to claim 1 or 2, wherein the living room base unit includes a network connection unit for enabling the keyword registered in the database unit to be updated from the outside.

Images