Technique for a pulse/phase based laser rangefinder utilizing a single photodiode in conjunction with separate pulse and phase receiver circuits
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United States of America Patent
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Feb 20, 2018
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Oct 27, 2014
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Oct 27, 2014
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Abstract
A technique for a pulse/phase based laser rangefinding instrument utilizing a single photodiode in conjunction with separate pulse and phase receiver circuits. The photodiode receives phase and pulse ranging signals and a capacitor coupled to the photodiode and is operative to provide current through the photodiode to a transimpedance amplifier in a pulse mode of operation and from the photodiode through a tuned circuit to a narrow band amplifier in a phase mode of operation.
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