G - Physics – 08 – B
Patent
G - Physics
08
B
340/124, 340/144
G08B 21/00 (2006.01) G08B 21/08 (2006.01)
Patent
CA 1164070
ABSTRACT OF THE DISCLOSURE The present invention relates to a device for sensing specified conditions in a fluid medium. According to an aspect of the invention the device is in the form of a wave detector for use in a swimming pool and includes an electrical circuit provided with an alert member and a power source for operating the alert member. The circuit is normally open between two spaced apart electrodes which substantially eliminates all power drain from the source. When the electrodes are closed by the waves in the pool the alert member is activated with the circuit further being provided with a normally conductive control member which changes to a nonconductive state for opening the circuit to deactivate the alert member in and which automatically returns to the conductive state to reset the circuit for further activation of the alert member.
379061
Georgian Manufacturing Ltd.
Johnson Douglas S. Q.c.
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