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Electronic clinical thermometer

阅读:678发布:2021-11-21

专利汇可以提供Electronic clinical thermometer专利检索,专利查询,专利分析的服务。并且PURPOSE:To avoid measuring errors in estimating type temperature measurement, by effectively switching actual temperature measurement and the estimating type temperature measurement without providing a mechanical switch in a main body. CONSTITUTION:A light sensitive element 1 comprises a thermistor and an aluminum cap, which protects the thermistor. The heat sensitive element 1 forms a unitary body together with a main body 4 by a hollow axial body made of polypropylene resin. In a mainbody case 4 made of ABS resin, electronic parts such as a temperature measuring circuit and a microbattery power source are enclosed. An A/D converter 5 converts an electric resistance value corresponding to the temperature of the heat sensitive temperature 1 into a digital temperature value. A current is periodically conducted to the heat sensitive element 1 by a clock 6 after a power switch 2 is turned ON. The A/D converter 5 outputs the periodic measured result by the clock 6. A maximum value holding circuit 7 compares the previous value of the periodic measurement and the measured value at this time (output of the A/D converter 5). When the measured value at this time is high, the value is taken in and held. In an estimation value operating circut 8, a specified value (0.8 deg.C) is added to the contents of, e.g., the maximum value holding circuit 7.,下面是Electronic clinical thermometer专利的具体信息内容。

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