专利汇可以提供Pyroelectric motion and temperature sensitive infrared detector with conductive fingers专利检索,专利查询,专利分析的服务。并且A passive motion and temperature sensitive infrared radiation detector includes a housing with a front wall having a plurality of laterally spaced apart apertures that are filled with a radiation transmissive material. The housing back wall is formed of a three layer construction with outer and inner conductive layers in surface-to-surface contact with and separated by a layer of poled, pyroelectric material. In a preferred embodiment, the outer conductive layer is electrically grounded and the inner conductive layer is etched to define two interdigitated, electrically unconnected sets of conductive fingers. The sets of conductive fingers are heated when exposed to infrared radiation and, in turn, heat portions of the pyroelectric layer. As a result, electrostatic charges are developed on the heated pyroelectric portions and appear as voltage potentials on the heated finger sets. Electronic circuitry is associated therewith for sensing the voltage potentials and for triggering an alarm when a certain pattern of voltage potentials are consecutively developed on both sets of fingers. In a modified embodiment, the housing back wall is arranged with an electrically grounded, conductive inner layer and an outer layer containing interdigitated finger sets.,下面是Pyroelectric motion and temperature sensitive infrared detector with conductive fingers专利的具体信息内容。
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