Apple patents keyboard design with air-driven tactile feedback

A patent filing from Apple has sparked rumors of a new, low-profile keyboard. Designed with perforated keys, the input device would provide its end-user with tactile feedback by forcing air through the perforations in the key-tops. According to a report by Patently Apple, the “Advanced Keyboard Feedback System” will pair the punctured keys with a pressure and proximity sensor. When a user’s finger is detected to be just above the key in question, a light stream of air will be emitted to provide pre-press feedback. “As a twist to this patent, Apple goes on to describe that flowing of air could also be implemented in a virtual keyboard, wherein each key location is merely a defined region on a solid surface, where contact with that surface region will generate a defined input signal,” reads the report. The implication there being that Apple could include this technology on touchscreen devices like the iPhone, iPod touch, and iPad. The problem Apple is trying to solve is delivering adequate input-feedback on low-profile keyboards while continuing to make thinner and lighter keyboards — usually, feedback is provided by the downward travel of a depressed key. Apple is known for patenting dozens of technologies that never make it on to mainstream products; it is unclear if this filing falls into that category as well.

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