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Title:
AUDIO SWITCH, COMMUNICATION DEVICE USING SAME, AND COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2015/111415
Kind Code:
A1
Abstract:
An audio switch comprising first and second signal paths (1, 2), first and second loss insertion units (3, 4), and a loss control unit (6). The loss control unit (6) is configured so as to increase a second loss amount by using the second loss insertion unit (4), reduce a first loss amount by using the first loss insertion unit (3), and enable transmission of a first transmission signal, in a speech segment (TV). In addition, a loss control unit (5) is configured so as to increase the first loss amount by using the first loss insertion unit (3), reduce the second loss amount by using the second loss insertion unit (4), and enable transmission of a second transmission signal, in a segment (non-speech segment) other than the speech segment (TV).

Inventors:
TAKI HIDENORI
FUKUSHIMA MINORU
WASHI TEPPEI
Application Number:
PCT/JP2015/000308
Publication Date:
July 30, 2015
Filing Date:
January 26, 2015
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H04M1/60; H04B3/20
Foreign References:
JP2009105666A2009-05-14
JP2008054253A2008-03-06
JPH0262151A1990-03-02
JPH0556132A1993-03-05
JPS62135022A1987-06-18
JP2007110527A2007-04-26
JP2002064618A2002-02-28
Other References:
HIDEAKI KURIHARA ET AL.: "Keitai Denwa no Onkyo Gijutsu", THE JOURNAL OF THE ACOUSTICAL SOCIETY OF JAPAN, vol. 58, no. 12, 1 December 2002 (2002-12-01), pages 786 - 791, XP008181681
Attorney, Agent or Firm:
NISHIKAWA, Yoshikiyo et al. (JP)
Yoshikiyo Nishikawa (JP)
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