Inner red-dot gun sighting device powered by solar cell and provided with micro-current LED light source
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United States of America Patent
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May 29, 2018
Issued Date -
N/A
app pub date -
May 25, 2014
filing date -
Mar 2, 2014
priority date (Note) -
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Abstract
An inner red-dot gun sighting device powered by a solar cell and provided with a micro-current LED light source comprises a housing (1) and a micro-current LED light source (6) disposed in the housing (1) or on the housing (1). A solar cell (2) is disposed on the housing (1). The solar cell (2) is connected to the micro-current LED light source (6) by using a conducting wire, so as to supply power to the micro-current LED light source (6). Power is supplied to the micro-current LED light source (6) by using the solar cell (2), so that the number of cells used is reduced and use costs are reduced; power supplies of the micro-current LED light source (6) are switched by using a dual-power supply automatic switching module. In a sunny environment, power is supplied to the micro-current LED light source (6) by using the solar cell (2), so that the brightness of output light of the micro-current LED light source (6) of the inner red-dot gun sighting device is automatically adjusted according to the change of the brightness of the environment, without relying on any control circuit and without requiring the cell to supply power. At night, power is supplied by using the cell, thereby ensuring the normal use of the sighting device.
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