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US 2013/0155223 A1Published application
Warning method and device
AssigneeNational Taiwan Ocean University
InventorsShenq-Yuh JAW, Wei-Chu WENG
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AssigneeNational Taiwan Ocean University
InventorsShenq-Yuh JAW, Wei-Chu WENG
Estimating the term…
A warning device includes a lighting unit, an image capturing unit and a processing unit. The lighting unit is configured for generating at least one light spot. The image capturing unit is configured for capturing and recording a series of images of the light spot in time sequence. The processing unit is coupled to the image capturing unit for analyzing a position of the light spot in each of the images, computing an overall displacement of the light spot according to the positions in the respective images, determining whether the overall displacement is greater than a predetermined safe value, and generating a warning output when the overall displacement is greater than the predetermined safe value.
A warning device comprising:
A warning method to be implemented by a device including a lighting unit, an image capturing unit and a processing unit, said method comprising the following steps of:
Dependencies are inferred from the claim text.