Patent ID: 6149297
Filing Date: 2000-11-21
Classification: G01J

Abstract:
An infrared radiation tympanic thermometer with a housing (1) having a window (4) for admitting radiation, said window being adapted to be covered with a detachable probe cover (5) sufficiently transparent to infrared radiation, with an infrared sensor (8) arranged in the interior of the housing (1) and being associated with an electronic evaluation unit (13), said evaluation unit performing a temperature measurement each time it receives a start signal and the result being output on an indicating device, and with a further sensor (15) detecting the condition of the probe cover (5) as ""installed"" and ""not installed"" and delivering a corresponding signal to the evaluation unit (13), characterized in that said evaluation unit (13) generates a warning signal when, on a temperature measurement performed without a probe cover (5) installed, a temperature value is established that lies in the range of the human body temperature.