To provide a rescue requirement communication system in which each of members of a team in charge of work such as fire fighting or life saving can require a speedy relief to nearby another member of the steam if falling into any urgent situation.
The rescue requirement communication system is equipped with: an acoustic signal transmitting means 1 for transmitting an acoustic signal; an ON/OFF switch 2 for initiating the acoustic signal transmitting means 1; and an acoustic signal receiving means 3 for receiving an acoustic signal, the acoustic signal transmitting means 1 is comprised of a specific signal generating section 5 for generating a specific signal that can be extracted even under noise, an acoustic signal converting section 6 for converting a specific signal generated by the specific signal generating section 5 into an acoustic signal, and an acoustic signal radiating section 7 for radiating an acoustic signal converted by the acoustic signal converting section 6, and the acoustic signal receiving means 3 is comprised of a microphone 10 for receiving a sound signal, a specific signal extracting section 11 for extracting a specific signal from a sound signal received by the microphone 10, and a notification section 12 for notifying a wearer about the reception of the specific signal when a specific signal is extracted by the specific signal extracting section 11.
YAMADA MAKOTO
SAKAMOTO SHINICHI
RION CO
| JP2000031917A | 2000-01-28 | |||
| JP2001508265A | 2001-06-19 | |||
| JPH09224005A | 1997-08-26 | |||
| JP2000106608A | 2000-04-11 | |||
| JP2002152179A | 2002-05-24 |
Tomiho Inamoto
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