US Patent 7764358 Distance measuring system
Patent 7764358 was granted and assigned to Hon Hai Precision Industry Co Ltd on July, 2010 by the United States Patent and Trademark Office.
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A distance measuring system includes a light source, an image capture apparatus, a light absorption member and a signal processing circuit. The image capture apparatus includes a first lens module, a second lens module and an image sensor. The lens modules respectively have a focus. The image sensor detects light from the light source at two optical spots of the two lens modules, respectively. The light absorption member is disposed generally between the two lens modules for absorbing light reflected from the lens modules and thereby reducing optical interference. The signal processing circuit is configured for calculating the ratios of the two distances to the focal lengths of the respective focuses. A perpendicular distance between the light source and a line passing through the centers of the first and second lens modules is obtained.
US Patent 07764358 Distance measuring system US Patent 7764358 Distance measuring system
US Patent 07764358 Distance measuring system
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