Circuit arrangement for a buoyant alarm device

Details Circuit arrangement for a buoyant alarm device Circuit arrangement for a buoyant alarm device

G - Physics

08

B

340/124, 340/144

G08B 13/22 (2006.01) G08B 21/08 (2006.01)

Patent

CA 1207402

IMPROVED CIRCUIT ARRANGEMENT FOR A BUOYANT ALARM DEVICE ABSTRACT OF THE DISCLOSURE An improved circuit arrangement is described which is used with a buoyant device for indicating a disturbance to the quiescent level of a body of water. The circuit arrangement includes an encoder and transmitter which are supported by the device and which are adapted for trans- mitting encoded information in accordance with a predeter- mined pulse code to a remote receiver and alarm. Trans- mission of the encoded signal is terminated after a pre- determined interval of time. The encoder and transmitter are coupled in the circuit for enhancing the turn off of a bistable switching circuit.

440025

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