Apple has applied for a patent that shows how the backlight on its devices could be used as a safety light for runners or a party accessory that could be synchronized to music, as spotted by 9to5Mac. The patent application, filed in May and published today, is titled “Handheld devices as visual indicators.” According to the filing, the light transmitted can be configured with playlists on a device, and the music “varies the light level transmitted by the display in accordance with the song being played.” While that’s fun (and detrimental to your battery), another function appears a bit more practical.
The application also notes that the backlight could be configured to act like a light beacon for night runners. This can be used to alert...
from
https://www.theverge.com/2017/9/7/16266162/apple-patent-backlight-strobe-joggers-party-light-music
from
http://ifeeltechinc.blogspot.com/2017/09/apple-considers-using-iphones-backlight.html
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