Determining and controlling propeller speeds using imaging devices
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United States of America Patent
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Jan 19, 2021
Grant Date -
N/A
app pub date -
Aug 28, 2018
filing date -
Aug 28, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
An aerial vehicle outfitted with one or more cameras captures a sequence of images of a rotating propeller. The images are processed according to one or more techniques to recognize a position of the propeller, or an angle of orientation of the propeller, in each of the images. The positions or angles of the rotating propeller are used to calculate a rotational speed of the propeller, or a direction of rotation of the propeller. The cameras used to capture the images are also available for use in other applications such as navigation, monitoring or collision avoidance. The propeller may include one or more stripes, colors, characters, symbols or other markings to enhance its visibility and facilitate the determination of positions or angles of the propeller within images.
First Claim
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International Classification(s)
- G10K:SOUND-PRODUCING DEVICES
- G06T:IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- B64F:GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS
- G05D:SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC....
- G08G:TRAFFIC CONTROL SYSTEMS
- B64D:EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SU....
- F01D:NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g....
- B64C:AEROPLANES; HELICOPTERS
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