IMAGE SURVEILLANCE DEVICE
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United States of America Patent
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Issued Date -
May 11, 2017
app pub date -
Oct 4, 2016
filing date -
Nov 5, 2015
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Abstract
An image surveillance device includes a casing, a lens module, a heater, a heat conduction sheet and a fan module. The lens module is disposed in the casing for capturing images. The heater is used for generating thermal energy. The heat conduction sheet is attached to the lens module and the heater for conducting the thermal energy to the lens module. The fan module is disposed on the heater for guiding airflow to cause heat convection in the casing. Accordingly, the present invention can solve the prior art problem that the thermal energy is accumulated on the heater, so as to greatly improve the thermal energy efficiency of the image surveillance device.
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