JP3012548B2 - Notification system using outdoor loudspeakers - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reporting system for reporting emergency information and the like using an outdoor loudspeaker used in a municipal emergency radio system.

[0002]

2. Description of the Related Art A municipal emergency radio system using an outdoor loudspeaker has conventionally been capable of selecting / controlling a siren sounding pattern of an outdoor loudspeaker, controlling a do-miss chime, etc. from a wired microphone remote controller, and In some cases, voice from a microphone can be reported by a large speaker of an outdoor loudspeaker.

[0003]

However, since the wired microphone remote control device is generally installed at a specific location, it cannot be used if it is impossible to go to the installation location due to a disaster or accident. . In addition, there is a limit to the locational range in which it can be used.

Accordingly, an object of the present invention is to utilize a portable terminal and a radio microphone radio equipment which is currently widely used,
The siren blow of the outdoor loudspeaker from the portable terminal without conflicting with the standard RCR STD-15A (radio equipment for specific low power radio station radio microphone) and without the above-mentioned disadvantages caused by the wired microphone remote control device. It is an object of the present invention to provide a new reporting system that can select and control a pattern, control a do-not-sound chime, and the like, and report a voice from a radio microphone wireless device using a large speaker of an outdoor loudspeaker.

[0005]

A reporting system according to the present invention comprises a portable dummy call device, a radio microphone radio equipment for wirelessly transmitting sound such as a voice and a musical instrument sound caught by a microphone, and a reception unit for receiving the sound. It comprises an outdoor loudspeaker capable of reporting sound by a large speaker and reporting the sound stored in the sound source section by the same large speaker in accordance with a control signal received by the receiving section. The dummy call device includes a signal generating unit and a small speaker so that an outdoor loudspeaker operation signal for operating the outdoor loudspeaker can be transmitted as sound that can be caught by a microphone of a radio microphone radio equipment. Although the radio microphone radio equipment may be the same as the conventional one, the outdoor loudspeaker includes a radio microphone radio equipment receiving unit capable of receiving an outdoor loudspeaker operation signal wirelessly transmitted by the radio microphone radio equipment, and a reception unit for receiving the signal. And a control unit that controls the sound source unit using the outdoor loudspeaker operation signal as a control signal and operates a large speaker by a sound signal from the radio microphone radio equipment.

The dummy call device further includes a signal selector for selecting an outdoor loudspeaker operation signal corresponding to an arbitrary operation item from a plurality of outdoor loudspeaker operation signals generated by the signal generator. .

[0007]

Next, embodiments of the present invention will be described in detail with reference to the drawings.

As shown in FIG. 1, the notification system according to the present invention comprises a dummy call device A and a radio microphone radio equipment B.
And an outdoor loudspeaker C.

The dummy call device A has a simple portable form, such as being put in a pocket of clothes like a pager or a portable telephone, or being put on an arm like a wristwatch, and is a signal selecting unit using keys. It comprises a key switch section 1, a control section 2, a signal generation section 3, an amplification section 4, a small speaker 5, and a battery 6 as a power supply. The signal generator 3 can generate one selected from a plurality of predetermined signal patterns, and the selection is performed by the controller 2 based on the operation of the key switch 1. The signal output from the signal generator 3 is amplified by the amplifier 4 and
The small speaker 5 sounds to generate a signal sound of a predetermined pattern. In addition, by incorporating such a function into a portable terminal such as a pager or a mobile phone, the dummy call device A can also be used as a ready-made portable terminal without preparing a dedicated one.

The radio microphone radio equipment B is a publicly known one comprising a microphone 7, an amplifier 8 for amplifying its output, a modulator 9, a high-frequency amplifier 10, an antenna 11 and the like, and conforms to the standard of RCR STD-15A. Existing ones can be used as they are.

When the signal sound from the dummy call device A is caught by the microphone 7 of the radio microphone radio equipment B, the signal is transmitted as a radio wave from the antenna 11 without violating the standard of RCR STD-15A.

The outdoor loudspeaker C includes an antenna 12, a radio frequency amplifying unit 13, a demodulating unit 14, a control unit 15, various sound sources 16, an amplifying unit 17, a large speaker (a trumpet speaker), and the like. In addition to the conventional standard configuration described in 18), an additional unit for the radio microphone radio equipment B, that is, an antenna 19 for receiving radio waves from the radio radio equipment B, A demodulation unit 21 and a control unit 22 are provided.

In the outdoor loudspeaker C, when the signal received by the antenna 12 is a control signal, the control signal is input to the control unit 15 and various sound source patterns registered in the various sound source units 17 in advance. Is selected by the control signal from the control unit 15, and the large speaker 18
From there, sirens, chimes and melody sounds are played.
When the received signal is a sound, the sound signal is input to the amplification unit 17 and a sound is emitted from the large speaker 18. The sound source patterns generated from the various sound source units 17 can be arbitrarily changed manually. Such a function of the outdoor loudspeaker C is the same as the conventional one.

On the other hand, the signal received by the antenna 19 for the radio microphone radio equipment is separated by the control unit 22 into a control signal and a voice signal. Is sent to the control unit 15,
One sound source is selected from the various sound source units 17, and a siren, a chime, a melody sound, or the like is played from the large speaker 18. When the signal received by the antenna 19 is audio, the audio signal is transmitted from the control unit 22 to the amplification unit 1.
7, and a sound is emitted from the large speaker 18.

[0015] The frequency of radio waves used in the disaster management radio system is in the 60 MHz band, whereas the frequency of radio waves used in radio equipment for radio microphones is 800 MHz.
, The outdoor loudspeaker C can sufficiently identify and receive these radio waves.

Next, an example of signal transfer between the dummy call device A, the radio microphone device B, and the outdoor loudspeaker C will be described with reference to FIG.

In the radio microphone radio equipment B, when the operator performs a broadcast start operation for the outdoor loudspeaker C,
A broadcast start signal by radio waves is transmitted from the radio microphone radio equipment B to the outdoor loudspeaker C, and the outdoor loudspeaker C is ready for broadcasting. Thereafter, when a broadcast radio wave is transmitted from the radio microphone radio equipment B to the outdoor loudspeaker C, radio broadcasting using the radio microphone radio equipment B and the outdoor loudspeaker C can be performed.

In the dummy call device A, when an operator turns on, for example, a siren sounding switch of the key switch section 1, a siren sound control sound is emitted from the small speaker 5 of the dummy call device A. When this is caught by the microphone 7 of the radio microphone radio equipment B, a radio wave for siren blowing control is transmitted from the radio microphone radio equipment B, and when this radio wave is received by the outdoor loudspeaker C, the outdoor loudspeaker C outputs various sound sources. The siren pattern is selected from the section 17 and the large speaker 18 sounds the siren. Thereafter, when radio waves for audio broadcasting are transmitted from the radio microphone radio equipment B, audio broadcasting using the outdoor loudspeaker C can be performed.

When the operator performs an operation to end the broadcast in the radio microphone radio equipment B, the radio microphone radio equipment B
Transmits a broadcast end signal by radio wave to the outdoor loudspeaker C, and the outdoor loudspeaker C is turned off.

[0020]

As described above, according to the present invention, a dummy call device which is carried using a portable terminal, that is, a dummy call device and a radio microphone radio equipment without violating its standard. The user can select a sound source pattern such as a siren sounding pattern or a do-not-sound chime of the outdoor loudspeaker and control the sounding of the sound source pattern. Also, the sound from the radio microphone radio equipment can be reported by the outdoor loudspeaker.

[Brief description of the drawings]

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

FIG. 2 is a sequence diagram of signal transmission and reception among a dummy call device, a radio microphone device, and an outdoor loudspeaker.

[Explanation of symbols]

 Reference Signs List A Dummy call device B Radio microphone equipment C Outdoor loudspeaker 1 Key switch unit 2 Control unit 3 Signal generation unit 4 Amplification unit 5 Small speaker 6 Battery 7 Microphone 8 Amplifier 9 Modulator 10 High frequency amplifier 11 Antenna 12 Antenna 13 High frequency amplification unit 14 Demodulation unit 15 Control unit 16 Various sound source units 17 Amplification unit 18 Large speaker 19 Antenna 20 High frequency amplification unit 21 Demodulation unit 22 Control unit

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ identification code FI H04B 7/26 H04B 7/26 E (58) Investigated field (Int.Cl. ⁷ , DB name) H04B 1/034-1 / 04 G08B 25/10-27/00 H04B 7/26

Claims (2)

(57) [Claims] 1. A portable dummy call device, a radio microphone wireless device for wirelessly transmitting sound such as a voice or a musical instrument sound caught by a microphone, a sound received by a receiving unit can be reported by a large speaker, and a sound source can be notified. An outdoor loudspeaker capable of reporting the sound stored in the unit through the same large speaker according to the control signal received by the receiving unit. The dummy call device includes an outdoor loudspeaker for operating the outdoor loudspeaker. A signal generation unit and a small speaker are provided so that the device operation signal can be transmitted as sound that can be caught by the microphone of the radio microphone radio equipment, and the outdoor loudspeaker is wirelessly transmitted by the radio microphone radio equipment. A receiver for radio microphone radio equipment capable of receiving the signal for operating the outdoor loudspeaker, and a receiver for operating the received outdoor loudspeaker. The controls the tone generator section, characterized in that a control unit that operates the large speaker by the sound signal from the radio microphone radio equipment, notification system utilizing the outdoor public address system as a control signal No.. 2. The dummy call device according to claim 1, further comprising a signal selection unit that selects an outdoor loudspeaker operation signal corresponding to an arbitrary operation item from a plurality of outdoor loudspeaker operation signals generated by the signal generation unit. The notification system using the outdoor loudspeaker according to claim 1.