G - Physics – 01 – P
Patent
G - Physics
01
P
73/68
G01P 5/07 (2006.01)
Patent
CA 1299890
MODULAR MARINE INSTRUMENT Abstract of the Disclosure A modularized marine instrument sensing device is described wherein a paddlewheel assembly for providing an electromagnetic signal proportional to marine vessel speed is separably mountable on retaining members provided in a sensor housing. The sensor housing may house a Hall-effect device which converts the varying magnetic field from the paddlewheels to an electrical signal proportional to vessel speed. The sensor housing may also incorporate a piezoelectric transducer for providing a depth sounding and fish finding function. Optionally, the paddlewheel assembly may include a temperature sensing device, such as a thermistor, within a frame assembly which incorporates locking tabs and engagement pins which cooperate with the retaining members on the sensor housing.
526955
Airmar Technology Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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