JP5583617B2 - Intercom device and emergency call device - Google Patents

Description

  The present invention relates to preventing a specific target from approaching by outputting a high-frequency signal that the specific target dislikes from a speaker of an intercom handset or a notification device attached to the outside of a building such as a front door.

  The human audible range narrows with age, and in the 30s, frequencies above 10 KHz are almost inaudible. Using this narrowing, a speaker is installed in a place where a person of a predetermined age in the twenties or younger stays, and a sound signal having a frequency of 10 KHz or higher is emitted, so A device that prevents people from staying is installed.

JP 2010-184756 A

  These stagnation prevention devices require the installation of dedicated devices, which necessitates consideration of the selection of installation locations so that the installation costs are high and do not interfere with other existing equipment.

  In order to solve the above-mentioned problems, an intercom device and an emergency call device according to the present invention are configured by an oscillation circuit that generates a frequency disliked by a target person or pest and a speaker that emits the sound.

  According to the present invention, all circuits other than the oscillation circuit can be used in combination with the existing intercom device and emergency call device.

  According to the first aspect of the present invention, a pest or a dog / cat can be kept away from or reduced by a high frequency generated from an entrance cordless device only by adding an oscillation circuit to an existing device.

  According to the second aspect of the present invention, a person of a predetermined age does not stay at the front door or can leave at an early stage due to the high frequency generated from the front door unit simply by adding an oscillation circuit to the existing device.

  According to the invention of claim 3, the effect of claim 1 or claim 2 can be obtained even in a public toilet by using a high frequency generated from the notification device simply by adding an oscillation circuit to the existing device.

  According to the invention of claim 4, since the oscillation operation is stopped at the time of calling and reporting, the calling and reporting operations are not adversely affected.

FIG. 1 shows an explanatory diagram of the present apparatus. FIG. 1 (a) shows an interphone apparatus implementation method (Example 1), and FIG. 1 (b) shows an emergency call apparatus implementation method (Example 2). It is explanatory drawing shown. FIG. 2 shows a block diagram of the present apparatus. FIG. 2 (a) shows a method for implementing an intercom device (Example 1), and FIG. 2 (b) shows a method for implementing an emergency call device (Example 2). It is explanatory drawing shown.

  By using the amplifier circuit and speaker of the intercom device and emergency call device for high-frequency signal output, high-frequency signal output is realized with the minimum number of parts.

  FIG. 1 shows an explanatory diagram of this apparatus. In FIG. 1 (a), reference numeral 1 is installed in a room, receives calls from an entrance handset described later, displays a call, and displays an image of a visitor. The base unit 2 that oscillates the signal is installed near the entrance outside the building, sends a call signal to the base unit 1, establishes a communication path with the base unit in accordance with an instruction from the base unit, images a visitor, This is an entrance cordless machine that emits a repellent signal.

  FIG. 2 is a block diagram of this apparatus. In FIG. 2A, the master unit 1 includes an oscillation circuit 11 that oscillates a high frequency S1 that is higher than the audible range by 10 KHz or 20 KHz, and a front door. The speaker 12 and the microphone 13 for making a call with the child device 2, the overall operation of the parent device 1, the CPU 19 that sends a control signal to the entrance child device 2, and the ringing sound S 3 is generated by the control of the CPU 19. A ringing tone generating circuit 18, an LCD 15 that displays an image captured by the entrance handset 2, a handset power supply circuit 17 that supplies power for driving the entrance handset 2, and a high frequency oscillated by the oscillation circuit 11. S1, the sound S2 collected by the microphone 13 and the amplifying circuit 16 for amplifying the ringing sound S3 generated by the ringing tone generating circuit 18, the amplifying circuit 16, the slave unit power supply circuit 17, and the CPU 19 And a multiplexing circuit 14 to be transmitted to the entrance door station 2 multiplexes. Further, in the front door 2, a camera 21 that picks up an image output from the main unit 1, a microphone 23 that collects sound to make a call with the main unit 1, and a call with the main unit 1 are performed. Therefore, a speaker 22 that emits a sound S2 and a high frequency S1, a CPU 29 that controls the entire operation of the entrance slave unit 2 and sends a response signal to the master unit 1, a camera 21, a microphone 23, and a CPU 29 And a multiplexing circuit 24 that multiplexes the signals and sends them to the base unit 1.

  Hereinafter, the operation will be described with reference to FIG. In a state where the parent device 1 and the entrance child device 2 are not making a call, the operation of the camera 21, the speaker 12, the microphone 13, and the microphone 23 is stopped. In this state, in order to drive away insects, dogs, and cats that approach the vicinity of the entrance cordless handset 2, a high frequency S 1 of 20 KHz or more is oscillated from the oscillation circuit 11 and sent to the amplification circuit 16 under the control of the CPU 19. The amplifier circuit 16 amplifies the high frequency S1 from the oscillation circuit 11 and sends it to the multiplexing circuit 14. In the multiplex circuit 14, the power supply current from the handset power supply circuit 17 that is always operating for power supply and the high frequency S <b> 1 from the amplifier circuit 16 are multiplexed and sent to the entrance handset 2.

  In the entrance unit 2, the signal from the base unit 1 is separated into the power source current and the high frequency S 1 by the multiplexing circuit 24, and the high frequency S 1 is sounded from the speaker 22. As a result, the high frequency S1 having a frequency exceeding the audible range sounds from the speaker 22, so that insects, dogs, and cats can be driven away without giving a sense of incongruity to a person passing near the entrance cordless handset 2.

  In addition, when a visitor performs a call operation with a call button (not shown) of the front door 2 while the high frequency S1 is ringed from the speaker 22, a call signal is sent from the front door 2 to the CPU 19 of the base 1. The CPU 19 that has received the calling signal stops the high frequency S1 oscillating from the oscillation circuit 11 and generates the calling sound S3 from the calling sound generation circuit 18. The ringing tone S3 is amplified by the amplifier circuit 16, and is ringed to inform the resident of the resident by the speaker 12, and from the speaker 22 via the multiplex circuit 14 and the multiplex circuit 24 of the front door unit 2 through the same route as the high frequency S1. Rings as a call confirmation tone.

  When a response operation is performed from the room using a response button (not shown) of the main unit 1, the CPU 19 stops the ringing tone S3 and activates the microphone 13, and the voice from the microphone 13 is amplified by the amplification circuit 16 and the same path as the high frequency S1. Then, the voice is emitted from the speaker 22 through the multiplexing circuit 14 and the multiplexing circuit 24 of the front door 2 as a call voice.

  As a second embodiment, an example in which the present invention is applied to an emergency call device installed in a public toilet or the like instead of an intercom device will be described. In this embodiment, compared with FIG. 1A, in FIG. 1B, a control device 1a and a call button 101 are provided instead of the parent device 1, and a notification device 2a is provided instead of the front door device 2.

  FIG. 2B shows a block diagram of the present apparatus in the present embodiment, and the same reference numerals are given to the same operations as those in FIG. 2B, the control device 1a includes an oscillation circuit 11, a CPU 19, an alarm sound generation circuit 18a that generates an alarm sound S3a by operating the call button 101, a slave unit power supply circuit 17, and an oscillation circuit 11. An amplifying circuit 16 for amplifying the oscillated high frequency S1 and an alarm sound S3a generated by the alarm sound generating circuit 18a, and a multiplexing circuit 14 are provided. In addition, the notification device 2a includes a speaker 22 that emits a high frequency S1 and an alarm sound S3a from the control device 1a.

Hereinafter, the operation will be described with reference to FIG. In a state where the control device 1a is not performing an alarm operation, the speaker 22 stops operating. In this state, a high frequency S1 of 10 KHz or more is oscillated and amplified from the oscillation circuit 11 by the control of the CPU 19 in order to get rid of a person of a predetermined age under 20s staying in the vicinity of the notification device 2a, that is, near the public toilet. It is sent to the circuit 16. The amplifier circuit 16 amplifies the high frequency S1 from the oscillation circuit 11 and sends it to the multiplexing circuit 14. The multiplexing circuit 14 multiplexes the power supply current from the slave unit power supply circuit 17 that is always operating for power supply and the high frequency S1 from the amplifier circuit 16 and sends the multiplexed signal to the notification device 2a.

In the reporting device 2a, the high frequency S1 from the control device 1a is caused to ring from the speaker 22. As a result, a high frequency with a frequency that can only be heard by a person in the 20s or younger is sounded from the speaker 22, so that a general person who passes near the public toilet does not feel uncomfortable, and a predetermined age in the 20s or younger. person it is possible to prevent the hang out of.

  In addition, when an emergency situation occurs in the user in the public toilet with the high frequency S1 ringing from the speaker 22, the operation of the call button 101 occurs, the alarm sound generation circuit 18a that detects the operation of the call button 101, The high frequency S1 oscillating from the oscillation circuit 11 is stopped and an alarm sound S3a is generated. The alarm sound S3a is amplified by the amplifying circuit 16 and sounds as an alarm sound from the speaker 22 via the multiplexing circuit 14 through the same path as the high frequency S1.

  When a recovery operation is performed by the control device 1a or a recovery button (not shown) in the vicinity of the call button 101, the CPU 19 stops the alarm sound S3a and causes the high frequency S1 to ring again from the speaker 22 by the above-described operation.

  In the first embodiment, a detached house has been described as an example. In the case of an apartment house, any one master unit or a control device (not shown) may have an oscillation circuit.

  In the first embodiment, a public toilet has been described as an example, but an emergency call device installed in a public facility or a toilet in a shopping center has the same effect.

DESCRIPTION OF SYMBOLS 1 Master machine 1a Control apparatus 2 Entrance child machine 2a Notification apparatus 11 Oscillation circuit 13 Microphone 16 Amplification circuit 18 Ringing sound generation circuit 18a Alarm sound generation circuit 22 Speaker 101 Call button S1 High frequency S2 Voice S3 Ringing sound S3a Alarm sound

Claims (3)

In an interphone device comprising a parent device in a living room and an entrance child device installed at a front door, the parent device has a ringing tone generating circuit for generating a ringing tone, a microphone for collecting call voice, the ringing tone and An amplification circuit for amplifying the call voice is provided, and an oscillation circuit for outputting a high frequency of 20 KHz or more, which is disliked by pests, dogs and cats, from the speaker of the entrance cordless handset is connected to the preceding stage of the amplification circuit. , Equipped with an entrance cordless machine that keeps dogs and cats away from the entrance ,
The intercom apparatus characterized in that the oscillation circuit stops an oscillation operation at the time of a call or notification. In an interphone device comprising a parent device in a living room and an entrance child device installed at a front door, the parent device has a ringing tone generating circuit for generating a ringing tone, a microphone for collecting call voice, a ringing tone and a call An amplification circuit for amplifying sound is provided, and an oscillation circuit for outputting a high frequency of 10 KHz or more that can be heard only by a person of a predetermined age from the speaker of the entrance cordless handset is connected to the front stage of the amplification circuit. It has an entrance cordless handset that prevents people of a certain age from staying first ,
The intercom apparatus characterized in that the oscillation circuit stops an oscillation operation at the time of a call or notification. In an emergency call device used for public toilets, etc., comprising a call device installed in the toilet, a notification device installed outside the toilet wall, etc., and a control device installed in any position of the toilet, the control device includes Equipped with an alarm sound generating circuit for generating an alarm sound and an amplifier circuit for amplifying the alarm sound. Only a person with a high frequency of 20 KHz or higher, or a person of a predetermined age, who dislikes pests, dogs and cats from the speaker of the notification device By connecting an oscillation circuit for outputting a high frequency of 10 KHz or higher to the front stage of the amplification circuit, a notification device is provided so that a person of a predetermined age is not present near the toilet ,
The emergency call device, wherein the oscillation circuit stops an oscillation operation at the time of a call or notification.

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