专利汇可以提供Agricultural alarm system to warn of impending agricultural pest attacks专利检索,专利查询,专利分析的服务。并且To warn farmers when conditions are favorable for fungus infection, that is, certain humidity and temperature conditions which have presisted for predetermined periods of time, a humidity sensing device senses humidity of the atmosphere in the region of the agricultural planting to provide a humidity sensing signal; a temperature sensing means senses temperature of the atmosphere and provides a temperature sensing signal; the signals are converted into digital form, or integrated over time, and a threshold circuit is provided which, when a certain time-integral of humidity or temperature, during predetermined conditions of other sensed condition (temperature or humidity) is determined, an alarm signal is given. If the signal is a digital signal, a counter is activated to count the digits above a threshold level of humidity, and giving an alarm signal when a certain time during which both temperature and humidity were at levels at which pests proliferate, is exceeded.,下面是Agricultural alarm system to warn of impending agricultural pest attacks专利的具体信息内容。
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