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Compensating arrangement for thermal detectors

阅读:36发布:2021-11-17

专利汇可以提供Compensating arrangement for thermal detectors专利检索,专利查询,专利分析的服务。并且Compensation of radiation towards outer space for horizon sensor thermopiles. Electronic circuit elements which form part of the device for controlling the compensating source are incorporated in a metallic material which consequently radiates to the thermopiles a thermal power which is proportional to the power which passes through these elements. Thus substantially all the power consumed is used in this source, so that the power consumption is reduced to a minimum. Applications for compensation of radiation towards outer space which gives rise to zero errors in the case of differences in sensitivity between the detectors in the attitude sensors.,下面是Compensating arrangement for thermal detectors专利的具体信息内容。

1. Compensating arrangement for thermal detectors which comprises a source of thermal radiation placed in the field of view of the detectors and outside of their axis and an electronic device for controlling this source, characterized in that the radiation source is constituted by electronic circuit elements which form part of the electronic control device and dissipate thermal energy.
2. Compensating arrangement for thermal detectors as claimed in claim 1, characterized in that the circuit elements are embedded in a material of high thermal conductivity.
3. Compensating arrangement for thermal detectors as claimed in claim 2, characterized in that the said material is shaped in the form of a ring having an inner diameter which is nearly equal to the diameter of the optical eNtrance system.
4. Compensating arrangement for thermal detectors as claimed in claim 3, characterized in that the said annular material is provided with bores for receiving the electronic circuit elements, which bores are filled with a material of high thermal conductivity, preferably equal to that of the material forming the ring.
5. Compensating arrangement for thermal detectors as claimed in claim 4, characterized in that the said annular material is bounded by surfaces of revolution about the optical axis of the system, the surface facing the thermal detector having a high emission factor whilst the other surfaces have a low emission factors.
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