Digital fever thermometer having an illuminated display

Thermal measuring and testing – Temperature measurement – By electrical or magnetic heat sensor

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Details

374142, 600549, 349 69, 349199, G01K 700, G01K 1300, A61B 500

Patent

active

058298789

ABSTRACT:
A digital fever thermometer includes a backlit LCD display, which may act as a non-audible annunciator indicating that a stable temperature has been achieved. The digital fever thermometer includes a photo detector and a single mode-select switch to determine when the backlight should be enabled. When the backlight is enabled, the thermometer activates the backlight, indicating that a temperature reading is complete.

REFERENCES:
patent: 4199986 (1980-04-01), Ganslmeier et al.
patent: 4885573 (1989-12-01), Fry et al.
patent: 5211479 (1993-05-01), Coffey et al.
patent: 5239295 (1993-08-01), DeLuca et al.
patent: 5637871 (1997-06-01), Piety et al.
patent: 5678925 (1997-10-01), Garmaise et al.

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