Title:
METHOD AND APPARATUS FOR UNDERWATER COMMUNICATION
Document Type and Number:
Japanese Patent JPS6436132
Kind Code:
A
Abstract:
PURPOSE: To warn a danger of a disaster underwater by including an audible speech generating device, a power supply source, and an operation switch for connecting the audible speech generating device and the power supply source together. CONSTITUTION: A light source 7 and the audible speech generating device 3 are connected in parallel by a power supply circuit including a battery 1 as the power supply source and the switch 2 which can be operated manually. Respective constituent components are put in a watertight container and fixed detachably to a diving suit and, for example, a housing 4 which is equipped with an electromagnetic locker switch 2a and contains the audible speech generating device 3 is fitted to an air pipe 5 which is led out of a breathing tool 6. Consequently, the audible sound generating device 3 is placed in operation only by operating the electromagnetic locker switch 2a and the light source 7 is turned on, so that other diver will hear the signal tone and finds the illumination of the light source 7.
Inventors:
GUREN REIMONDO JIYONZU
Application Number:
JP17696487A
Publication Date:
February 07, 1989
Filing Date:
July 15, 1987
Export Citation:
Assignee:
GUREN REIMONDO JIYONZU
International Classes:
H04B11/00; (IPC1-7): H04B11/00
Attorney, Agent or Firm:
Haruyuki Ikeda