Importance

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Abstract

The present invention discloses a method for automatically calibrating an electronic sphygmomanometer, which pumps air at a predetermined air pressure to a testing electronic sphygmomanometer to simultaneously pressurize a set of pressure sensors set for regular use and at least one other set of pressure sensors being interconnected in the electronic sphygmomanometer to detect whether or not the set of pressure sensors used at regular time is normal. The detected change of pressure during the detection is sent to a control module, and the control module will compare the detected value of each pressure sensor. If the comparison is matched, then it means that the set of pressure sensors used at regular time is normal; if the comparison is mismatched, then the pressure sensors are determined as abnormal and the air valve connected to such pressure sensors is shut, such that when a user uses the electronic sphygmomanometer for the next time, another set of pressure sensors will be started. The present invention can achieve the purpose of allowing users to calibrate the electronic sphygmomanometer on their own without the need of sending the electronic sphygmomanometer to the original manufacturer and further saving time and simplifying the operation.

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First Claim