Title:
AUDIO RECEPTION DEVICE
Document Type and Number:
Japanese Patent JP2018139023
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reliably determine an actuation concerning audio broadcasting.SOLUTION: An audio reception device for outputting audio information to a loudspeaker on the basis of a signal received from a master station includes: a transmission/reception unit for transmitting/receiving a signal to/from a master station; an amplifier having a notification output terminal connected to the loudspeaker, amplifying the audio information, and outputting it from the notification output terminal; a control unit for acquiring a signal from the transmission/reception unit, outputting the audio information to the amplifier, and having an audio collection input terminal for inputting a collection result of an audio broadcast by the loudspeaker so as to output a detection result of the audio to the master station via the transmission/reception unit; a first cable for connecting the notification output terminal to the loudspeaker; an AC current sensor arranged to surround a cross section of the first cable; a second cable for connecting the AC current sensor to the audio collection input terminal; and a housing for storing the transmission/reception unit, the amplifier, the control unit, the AC current sensor, the first cable, and the second cable.SELECTED DRAWING: Figure 2
Inventors:
DOI YASUHIRO
INOMATA KATSUYASU
INOMATA KATSUYASU
Application Number:
JP2017032959A
Publication Date:
September 06, 2018
Filing Date:
February 24, 2017
Export Citation:
Assignee:
OKI ELECTRIC IND CO LTD
International Classes:
G08B29/10; G08B21/00; G08B21/10; G08B23/00; H04R3/00
Domestic Patent References:
| JP2015162833A | 2015-09-07 | |||
| JP2014093587A | 2014-05-19 | |||
| JP2014222818A | 2014-11-27 | |||
| JP2003134591A | 2003-05-09 | |||
| JP2015231185A | 2015-12-21 | |||
| JP2015087685A | 2015-05-07 |
Foreign References:
| WO2016051945A1 | 2016-04-07 | |||
| US20120139752A1 | 2012-06-07 |
Attorney, Agent or Firm:
Miaki Kametani
Tetsuo Kanamoto
Koji Hagiwara
Tetsuo Kanamoto
Koji Hagiwara