Thermal measuring and testing – Temperature measurement – Combined with diverse art device
Patent
1995-12-29
1997-10-28
Bennett, G. Bradley
Thermal measuring and testing
Temperature measurement
Combined with diverse art device
374142, 374208, G01K 1300
Patent
active
056811101
ABSTRACT:
A water monitoring device including a substantially transparent, buoyant housing which floats in the water. A water temperature transducer provides a voltage proportional to the water's temperature. A processor processes the voltage into a primary digital signal, and a driver drives a digital display according to the primary digital signal. The display is disposed within the housing and displays the temperature such that it can be read through the housing. The display is translucent so that it can be illuminated from its back side. The lower portion of the housing is structured to refract underwater light from outside the housing onto the back of the display. A rechargeable battery powers the device, and a solar panel recharges the battery. The upper portion of the housing is structured to refract light from outside the housing onto the solar panel. A control module controls the rate of recharging of the battery so that the battery's temperature remains within a preferred range.
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patent: 4435095 (1984-03-01), Jones et al.
patent: 4739549 (1988-04-01), Plimpton
patent: 5152610 (1992-10-01), Hallett
patent: 5169236 (1992-12-01), Iest
patent: 5302028 (1994-04-01), Carey
patent: 5621390 (1997-04-01), Neal
Bennett G. Bradley
Downey P.A. Robert M.
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