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Apple investigating ways to embed health sensors, fingerprint readers, chargers into iPhone logos

In a seemingly never-ending quest to make thinner, lighter mobile devices, Apple is researching methods by which heart rate monitors, skin conductivity sensors and more can be directly incorporated into an iPhone's product logo.


Source: USPTO


Titled "Concealed electrical connectors," Apple's patent application filed with the U.S. Patent and Trademark office on Thursday details an electrical system that integrates with existing apertures or surface anomalies in a mobile device chassis, a good example being the Apple logo emblazoned on all iPhone and iPad models.

In some embodiments, electrically conductive inserts are embedded into one or more apertures within the device chassis. Certain designs call for concealment beneath existing marks, such as the "iPhone" product identifier, while others incorporate inserts made of materials that contrast with surrounding metal to enhance logo visibility.

Complete or partial glyphs, letters, words, numbers and other symbols may be used to conceal any number of contacts. In one example, the word "Phone" might hold anywhere from three to eight distinct, insulated connections disposed under each letter or in the counter of a letter (described as an areas enclosed within a letter's boundaries). Inserts can then be paired to complete electrical circuits.


Cross-sectional view of showing electrical contacts concealed within a product logo.


As for sensors, the document mentions biometric monitoring apparatus such as skin conductivity sensors, heart rate monitors and fingerprint readers. More robust implementations may be used for charging and docking mechanisms, including contact solutions like MagSafe. An inductive charging setup like the system introduced with Apple Watch is a possibility, though Apple's patent fails to mention such designs.

Other embodiments imagine optical sensors disposed beneath transparent glyph sections, optically opaque radio frequency windows, multi-use applications and more.

As with any Apple patent, it is unclear if the technology described in today's filing will show up in a shipping product, but the company's current lineup is well suited to the task. With iPhone 6, for example, Apple moved from a polished rear logo to an embedded design filled with stainless steel. That amount of space is more than enough to deploy a host of biometric sensors, though multiples would likely require collocation over a wide area like the letters of an "iPhone" indicia.

Apple's multi-use iPhone logo patent application was first filed for in December 2013 and credits Nicholas V. King as its inventor.