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4786335 |
A novel multilayer photoconductive I.R. detector is formed by incorporating alternate p and n-type layers, such that many layers occupy the detector thickness. The detector may be considered as a n-type photoconductor containing buried i...
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4778770 |
A sensor element arrangement for a pyrodetector has a concave mirror with a sensor element arranged at a focus of the concave mirror and further sensor elements arranged laterally therefrom. Electrodes of both polarities are present on e...
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4665276 |
This invention concerns a thermoelectric sensor of the air-backed type comprising a thin-film thermopile with a receiving area of approximately 1 mm 2 under a protective atmosphere of atmospheric pressure. To increase the responsivity o...
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4250384 |
A very thin insulator having a dipole structure such as a dielectric material having ferroelectric properties and, preferably, also having thermodielectric properties, is used as the insulator insulating an electrode of an electrode pair...
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4111717 |
A thermopile type radiation detector for use in radiation pyrometry having small size and high performance in which the thermopiles are formed by evaporating the thermocouple leads onto a thin substrate together with a pattern distributi...
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4102196 |
A non-contact sensor for observing, recording or responding to the temperature of a hot moving or stationary slender target, such as a wire, wherein a plurality of sensor units, each including a multiplicity of thermocouples, are mounted...
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4002499 |
An electromagnetic energy collection device is provided which does not require a solar tracking capability. It includes an energy receiver positioned between two side walls which reflect substantially all incident energy received over a ...
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3525260 |
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3459945 |
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3449121 |
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3098930 |
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2921972 |
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2813203 |
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2611894 |
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2601508 |
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2472759 |
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2441672 |
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2432920 |
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2399640 |
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2392873 |
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2334085 |
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2299260 |
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2186948 |
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1526641 |
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1343393 |
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RE23615 |
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1158967 |
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1125233 |
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1038258 |
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0919399 |
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0842314 |
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