Optical acoustical signalling apparatus

Details Optical acoustical signalling apparatus Optical acoustical signalling apparatus

G - Physics

08

B

349/49

G08B 7/00 (2006.01) G08B 21/00 (2006.01)

Patent

CA 1207428

ABSTRACT-OF THE DISCLOSURE: Optical acoustical signalling apparatus, particularly for personal safety. It includes an optical acoustical signaller and an operating and con- trolling unit, which comprises: a supply source, an inertial switch, a first signal operating generator for the acoustical transducer, connected to the inertial swtich, a second signal operating generator for the optical transducer having the set input connected to the output of the first generator, a two-position and three- way commutator, which set the apparatus to operate as passage detector from a static condition to a dynamic condition and vice versa. In the first position of the commutator, the inertial switch is set for starting, when activated, the generator. In the second position the inertial switch is set for resetting the first generator which was set on the supplying of the apparatus.

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