JP2000224318A - Interphone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To issue an emergency report even when the situation where a user can not operate a remote controller with a learning function provided with a calling function occurs by incorporating a timer circuit and an emergency report activation circuit inside the remote controller with the learning function. SOLUTION: The timer circuit 36a and the emergency report activation circuit 37a are provided inside the remote controller 3a with the learning function provided with the calling function. In this system, the timer circuit 36a is operated when the remote controller 3a with the learning function is not operated, and when it is not operated for certain fixed time or more, it is recognized that the body condition of the user gets poor or some kind of accidents happens in a life and the emergency report activation circuit 37a is operated. Thus, infrared ray data are sent out from an infrared ray light emitting part 34a for emergency report signals, and upon receiving the data in an infrared ray light receiving part 41a, it is reported to the user that the emergency report is to be issued from a loud slave unit speaker 21a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intercom system, and more particularly to an intercom system for making an emergency call using a remote control device with a learning function.

[0002]

2. Description of the Related Art Conventionally, a handset master unit 1b, an infrared receiving unit 4b, a loudspeaker unit 2b, as shown in FIG.
There is known an intercom system including a remote control device 3b with a learning function and an emergency notification device 5b.

In this intercom system, when a call button 27b in the loudspeaker 2b is pressed or a call button 31b in the remote control device 3b with learning function is pressed, a call signal is transmitted from the infrared light emitting section 34b and the infrared light receiving section 41 is transmitted.
When a calling signal is received at b, a ringing tone sounds at the handset base unit 1b, and when the handset 17b is off-hook, a voice signal from the handset microphone 15b within the handset 17b is amplified by the microphone amplifier 16b within the handset base unit 1b. , Through the 2-wire to 4-wire conversion circuit 13b,
An audio signal is transmitted between the two lines, and the sound signal amplified by the speaker amplifier 22b is output from the loudspeaker 21b via the 2-wire to 4-wire conversion circuit 23b in the loudspeaker 2b.

The audio signal from the slave unit microphone 25b is
Amplified by the microphone amplifier 26b in the loudspeaker 2b,
The audio signal is transmitted between the two lines via the line-4 line conversion circuit 23b, and the 2-line-4 line conversion circuit 13b in the handset master unit 1b is transmitted.
After that, the audio signal amplified by the speaker amplifier 12b is transferred to the handset speaker 1 in the handset 17b.
Sound from 1b. This allows the handset master unit 1b and the loudspeaker slave unit 2b to talk.

A handset master unit 1b and a loudspeaker slave unit 2
The voltage between the terminals b changes in each of standby, calling, and talking states. When the voltage is detected to detect that the handset base unit 1b is in the calling state, the handset 17b of the handset base unit 1b for a certain period of time is detected. If the telephone does not change to the call state by off-hook, the emergency call circuit 51b makes an emergency call using the telephone line 7b, and when the answer is made at the emergency call destination, the loudspeaker handset 2b can make a voice call with the emergency call destination. I do.

The remote control device 3b with a learning function has a function of learning infrared rays.
In this case, infrared data for operating b can be stored, and the infrared-compatible electrical device 6b can be operated by operating the operation button 32b.

[0007]

In recent years, remote control devices that use infrared light from electrical devices in homes have been mounted on televisions, videos, air conditioners, lighting, and all other devices in the vicinity. A dedicated infrared controller (hereinafter referred to as an infrared remote controller) must be used, and it has become common for several infrared remote controllers to be placed in one room. On the other hand, an infrared remote controller with a learning function has also been put to practical use in order to eliminate the complexity, and an infrared remote controller with a learning function that eliminates the conventional complexity of placing several infrared remote controllers in a room has been sold. For the elderly and the physically handicapped, this infrared remote controller with learning function is provided with a calling function to provide a safe environment. However, anxiety arises when an elderly person or a physically handicapped person who uses them cannot operate the calling function due to a physical abnormality or the like.

The present invention is intended to eliminate such anxiety, and it is an object of the present invention to make an emergency call even when a user cannot operate a remote controller with a learning function having a calling function.

[0009]

In order to achieve this object, an intercom system according to the present invention comprises a remote control device with a learning function for performing remote control of a handset master unit, a loudspeaker unit, and an infrared-compatible electric device; In an intercom system including a light receiving unit and an emergency notification device, a timer circuit and an emergency notification activation circuit are incorporated in a remote control device with a learning function.

According to such an intercom system, it is possible to automatically make an emergency call to the emergency call destination if the remote control device with the learning function is not operated at all within a certain fixed time.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a remote control device with a life abnormality sensor according to the present invention will be described below in detail with reference to the drawings.

The intercom system according to the present invention comprises a handset master unit 1a, a loudspeaker unit 2a, a remote control unit 3a with a learning function for remotely controlling these units and an infrared-compatible electric device, an infrared light receiving unit 4a, and an emergency notification device 5a.
A timer circuit 36a and an emergency call activation circuit 37a are provided in a remote control device 3a with a learning function having a calling function.

[0013] Since there are a number of infrared-compatible electrical devices 6a in the home and the remote control device with learning function 3a can control all of these infrared-compatible electrical devices 6a, the remote control device with learning function 3a can be operated in daily life. Inevitably. For the elderly and the physically handicapped, the operation of the call button 32a for calling the handset master device 1a is also an indispensable operation in daily life.

Thus, the remote control device with learning function 5a
If the operation is not performed, the timer circuit 36a operates. If the operation is not performed for a certain period of time or more, the user recognizes that the user is in poor physical condition or has some abnormal change in life, and the emergency notification activation circuit 37a operates. As a result, the emergency notification signal is transmitted from the infrared light emitting unit 34a to the infrared data,
When this data is received by the infrared light receiving section 41a, the user is notified that an emergency call is to be made from the loudspeaker 21a.

At this time, within a certain period of time, the cancel button 38
If the operation of a is not performed, the handset master unit 1a
When an emergency call is made and the handset 17a is off-hook, the voice communication between the handset master unit 1a and the loudspeaker handset 4a becomes possible. At this time, if the handset 21a is not off-hook by the handset master 1a for a certain period of time, the voltage between the handset master 1a and the loudspeaker 2a is detected to detect that the handset master 1a is in the calling state, and The notification device 5a makes an emergency call using the telephone line 7a, and when a response is made at the emergency call destination, the loudspeaker 2a can make a loudspeaker call.

The timer circuit 36a can change or stop the time until the emergency notification activation circuit 37a is activated by the changeover switch 35a.

The communication of the emergency signal is not limited to only infrared rays, and the same effect can be obtained by a communication system using radio waves.

[0018]

As described above, in the intercom system according to the present invention, the user is automatically notified even if the user is in poor physical condition or has an unusual life, and it becomes impossible to operate the call button at all. Therefore, it is possible to provide a safe environment by confirming the safety of the elderly and the physically handicapped.

[Brief description of the drawings]

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

FIG. 2 is a block diagram of a conventional intercom system.

[Explanation of symbols]

 1a: Handset master unit 2a: Loudspeaker unit 3a: Remote control unit with learning function 36a: Timer circuit 37a: Emergency call start circuit 4a: Infrared light receiving unit 5a: Emergency call unit

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification code FI Theme coat ゛ (Reference) H04Q 9/00 311 H04Q 9/00 311Q F term (Reference) 5C086 AA22 BA03 CA12 CB15 DA02 EA13 FA02 5C087 AA02 AA37 AA44 BB18 DD03 DD37 DD49 EE06 EE18 FF24 GG35 GG66 GG70 5K038 AA05 BB02 CC00 DD07 DD22 GG02 GG05 5K048 BA13 DB04 FA07 GC06

Claims (1)

[Claims] 1. A handset master unit (1a), a loudspeaker slave unit (2)
a), a remote control device with a learning function for remotely controlling an infrared-compatible electric device (3a), an infrared light receiving unit (4)
a) an intercom system comprising an emergency call device (5a), wherein a timer circuit (36a) and an emergency call activation circuit (37a) are incorporated in the remote control device with a learning function.