The patent is a bit cryptic as always, but it clearly details a sensor in the lid of a laptop that detects and identifies the userm and the patent images reveal both a MacBook and iMac with integrated sensors.
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The majority of the patent images and text focus on the laptop’s form factor with references to “a light pattern recognition module” which is “overlaid by the display layer” and “includes a light pattern projector that projects a light pattern directly through the display layer.” The below patent drawing shows a potential option for the location of the sensor. Don’t worry iMac fans, you aren’t being ignored completely; The patent has a couple of images of an all-in-one desktop as well, but if you thought you caught a glimpse of a notch in the image above then you won’t be able to miss it on this one. There are also several references to a notch housing the sensor in the patent filing itself. Now, before you panic that Apple is planning to add a notch to the MacBooks and iMacs, the patent clearly states that the drawings are not meant to be indicative of final design, so safe to assume that the MacBook and iMac will follow the iPad Pro and successfully add Face ID without a notch.