Room fans are typically stationary devices that circulate air around an area (e.g. a room), often through propulsion of air caused by radial rotation of angled fan blades, with the intent of cooling the area and/or occupants of the area. Many room fans are capable of oscillating, or changing the orientation of the fan, often along a linear range of motion in a “sweeping” pattern. While this configuration can effectively circulate air around a substantial portion of an area, it can fail to account for any people in the area. For instance, if a person is moving around the area, the fan can fail to follow the person.
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Diniz de Faria, Gabriel, "Smart Directional Fan", Technical Disclosure Commons, (August 29, 2018)