Finger temperature indicating ring

Thermal measuring and testing – Temperature measurement – Combined with diverse art device

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Details

374183, 600549, 63 113, 63 15, 3404071, 340573, G01K 114, G01K 116, G01K 722, G08B 2300

Patent

active

058137661

ABSTRACT:
A finger temperature indicating ring for wearing around a finger to measure and indicate the finger temperature of the wearer. A thermal conductive rod made of highly thermal conductive material, such as platinum, is provided in the ring with a lower end of the rod exposed from the ring to contact with the finger. The finger's heat or cold is accurately and quickly transmitted to a thermistor provided with the ring via the thermal conductive rod, causing a circuit connected to the thermistor to operate and convert the finger temperature into a signal which is sent to an indicating element in the ring. With a switch button, the signal can be presented to the wearer in different manners, so that the wearer is always reminded and encouraged to release himself or herself from physical or mental stress.

REFERENCES:
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patent: 3885576 (1975-05-01), Symmes
patent: 3983753 (1976-10-01), Greenleaf et al.
patent: 4059830 (1977-11-01), Threadgill
patent: 4220016 (1980-09-01), Frenger
patent: 4407295 (1983-10-01), Stever et al.
patent: 4459645 (1984-07-01), Glatter
patent: 5275019 (1994-01-01), Pagani
patent: 5362966 (1994-11-01), Rosenthal et al.
patent: 5694939 (1997-12-01), Cowings

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