In late March, Apple Patently released a report titled "Apple Patent Covers In-Air Gesturing for Macs & iDevices as Google, Samsung and Microsoft race to bring this to Market." In early June, we released another report titled "Google is reportedly set to introduce a new in-air gesture system for Pixel 4 called" Aware ". We now learn that Google's next gen Pixel 4 will actually activate two new features – Motion Sense and unlock face – helps you get things done without touching it.
In March, Patently Mobile released a report titled "Google Wins Second Radar Sensing Patent Supporting future Chromebook and pixel devices using an air movement feature. "Google introduced Project Soli, which covers advanced air movements back in 201
For 3D Face Recognition, the US Patent Office published a patent application on this topic last month.  Google's patented techniques, methods, systems and other mechanisms for providing a dual band stereo depth sensor system. An example of such a system is in a mobile data processing unit. using the system to determine the 3D facial features of a person for face recognition or face tracking.
A depth sensor system can operate by emitting electromagnetic radiation (EMR) at a particular wavelength, e.g. A wavelength that corresponds to infrared light, to a scene, and using sensors that capture EMRs that reflect from objects in the scene to determine a depth map of the scene. A scene can refer to what is in a field of view from the perspective of the sensors of the depth sensor system.
For example, a stereo bypass sensing system can emit EMR at a wavelength of 850 nm, sense reflections of the emitted EMR from one or more physical objects using two sensors, and combine the sensed reflections from the two sensors into a depth map. A depth map generated by a depth sensor system can depict the distance to parts of the stage from the depth sensor system.
Sensors of a depth sensor system may be more sensitive to a particular wavelength and thus be able to more accurately sense depth by using the EMR at the appropriate wavelength. However, the sensors may also not be able to distinguish emitted EMRs which are then reflected from objects and EMRs that are ambient for an environment. Accordingly, the accuracy of a depth sensor system may depend on environmental conditions. For example, when there is no sunlight, a depth sensor system using EMR with a wavelength of 850 nm can give more accurate results than a depth sensor system using EMR with a wavelength of 940 nm. However, when there is sunlight, a depth sensor system using EMR with a wavelength of 850 nm can produce less accurate results than a depth sensor system using EMR with a wavelength of 940 nm.
Google patent FIG. 1 and 2 below are conceptual diagrams of a dual band stereo depth sensor system.
Google's 3D Face ID patent was filed in December 2017 and published in June 2019 by the US Patent and Trademark Office.
Will Apple hit Google with In-Air gesture in September or will Google's Pixel 4 jump on Apple's iPhones? Only time will tell.
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