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Patent Searching and Data


Title:
SOUND RECEIVING DEVICE, SOUND RECEIVING METHOD, SOUND RECEIVING SYSTEM, AND WIRELESS MICROPHONE
Document Type and Number:
WIPO Patent Application WO/2010/122723
Kind Code:
A1
Abstract:
A sound amplification device (10) is provided with one or a plurality of microphones (11) which convert collected sounds to audio signals, and perform radio transmission; and a sound receiving device (13) which receives the audio signals transmitted from the microphones (11) and amplifies and outputs the sounds corresponding to the audio signals. The sound receiving device (13) is structured so that, upon receipt of an emergency signal which is transmitted in response to the operation of an emergency switch (12) of the microphone (11), audio output control is performed in an emergency mode. With this structure, in the case of a dangerous situation such as intrusion by suspicious individuals, an appropriate sound control can be performed.

Inventors:
KAWASAKI YUJI
KITAGO RYOSUKE
FUKUTSUKA HIROTAKA
YAMAHAI KEIJI
Application Number:
PCT/JP2010/002611
Publication Date:
October 28, 2010
Filing Date:
April 09, 2010
Export Citation:
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Assignee:
PANASONIC CORP (JP)
KAWASAKI YUJI
KITAGO RYOSUKE
FUKUTSUKA HIROTAKA
YAMAHAI KEIJI
International Classes:
G08B27/00; G08B23/00; G08B25/04
Foreign References:
JP2005182381A2005-07-07
JP2004336227A2004-11-25
JPH09200381A1997-07-31
JP2002078037A2002-03-15
JP2007026342A2007-02-01
JP2006338647A2006-12-14
JP2009021752A2009-01-29
Attorney, Agent or Firm:
OHNO, Seiji et al. (JP)
Seiji Ono (JP)
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