Thermal measuring and testing – Temperature measurement – Combined with diverse art device
Patent
1995-10-16
1997-10-21
Gutierrez, Diego F. F.
Thermal measuring and testing
Temperature measurement
Combined with diverse art device
374150, 374183, 340595, 220703, 2064591, 215 112, G01K 722, G01K 1312
Patent
active
056789254
ABSTRACT:
A hot beverage mug automatically senses the temperature of its liquid contents and generates an accurate aural and/or visual indication of the temperature sensed. The temperature is sensed by a thermistor in a resistive capacitive (R/C) circuit which operates to yield a signal of variable frequency corresponding to the temperature sensed. An integrated circuit (IC) logic controller treats this electrical signal as an input which triggers a further electrical signal from the IC controller to an aural or visual display generating device such as an annunciator, a light emitting diode (LED), liquid crystal display (LCD) or a simulated voice expressing the temperature sensed. The power for the R/C circuit, the IC and the aural/visual indicator(s) is supplied from a battery and controllable by a switch activated either manually or automatically upon sensing the pressure of the liquid contents or by physical contact with the mug handle.
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Tandom, V., "Tired of Just Reading Results? Let Your Instruments Do the Talking." Electronic Design, pp. 160-163 (Nov. 22, 1978).
Garmaise David
Garmaise Ian
Gibson Peter
Gutierrez Diego F. F.
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