Forehead thermometer displaying different colors according to detected temperatures and control circuit thereof
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United States of America Patent
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Oct 17, 2023
Grant Date -
N/A
app pub date -
Nov 23, 2020
filing date -
Jul 10, 2020
priority date (Note) -
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Abstract
The present disclosure provides a forehead thermometer that displays different colors according to detected temperatures and a control circuit thereof, which belong to the technical field of forehead thermometers. The forehead thermometer includes a forehead thermometer body, wherein the forehead thermometer body comprises a housing, an indicator light, a liquid crystal display (LCD) screen comprising a backlight board which is adapted to light up in different colors according to different detected temperatures. The LCD screen is disposed on an upper end face of the housing, and the indicator light is disposed on a side of the housing, and wherein the indicator light is a transparent light guide body capable of guiding light, and an outer end face of the indicator light is located outside the housing; and a light guide plate capable of guiding the light emitted from the backlight board to the indicator light is fixedly disposed in the housing.
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