Title:
AUTOMATIC VOICE SIGNAL CHANGEOVER DEVICE
Document Type and Number:
Japanese Patent JPH10285684
Kind Code:
A
Abstract:
To switch or interrupt a voice signal automatically by utilizing a radio wave produced when a radio wave signal of other device are input/output.
The changeover device is mounted between circuits of a voice signal output device 1, and a voice signal is switched or interrupted automatically by using a radio wave produced when a radio wave signal of other device are inputted and outputted. The voice signal automatic changeover device 2 is placed between voice signal output devices 1, 3 to utilize a radio wave produced when a radio wave signal of other device are input/output.
More Like This:
Inventors:
AOYAMA YOICHI
Application Number:
JP12464997A
Publication Date:
October 23, 1998
Filing Date:
April 08, 1997
Export Citation:
Assignee:
AOYAMA IND DESIGN KK
International Classes:
H04R3/00; H04M1/00; (IPC1-7): H04R3/00; H04M1/00