OUTDOOR STAND-ALONE TYPE BROADCAST LOUDSPEAKER DEVICE

Japanese Patent JP2017130774

A

PROBLEM TO BE SOLVED: To provide a novel and useful outdoor stand-alone type broadcast loudspeaker device which is an outdoor stand-alone type and can be easily installed by utilizing an existing receiver like a household disaster prevention administrative radio receiver.SOLUTION: The outdoor stand-alone type broadcast loudspeaker device is configured by fitting a solar panel 29, a dedicated antenna 33, a speaker 35 and a control box 7 in which a receiver or the like is accommodated, to a pole 5 that is set up on the ground. The control box 7 includes a control board or an external loudspeaker amplifier and, when the receiver receives disaster prevention administrative radio audio broadcasting, outputs the audio broadcasting from the speaker. The device comprises a function for switching the external loudspeaker amplifier that is normally on standby in a silent state, to ON/OFF, and a function for regulating an audio voltage at the side of the receiver, thereby implementing broadcasting easy to listen even if the receiver is a household receiver or a disaster prevention radio or delivered from any sales agency.SELECTED DRAWING: Figure 1

JP2014232945	AUDIO BROADCASTING RECEIVER
JPH0724823	[Name of invention] Output signal control circuit of AM receiver

SONE YASUYUKI

JP2016008438A

July 27, 2017

January 20, 2016

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AKATSUKI-DENKOU CO LTD

H04B1/16; G08B27/00; H04H20/59; H04H20/61

JP2015023377A	2015-02-02
JP2011013995A	2011-01-20
JP2003204596A	2003-07-18
JP2007194919A	2007-08-02
JPS5551536U	1980-04-04
JPH0593134U	1993-12-17
JP3193172U	2014-09-18
JP2014086928A	2014-05-12

Koji Kikkawa
Akiko Yoshikawa

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