Apple has received a patent from the U.S. Patent and Trademark Office (USPTO, via AppleInsider) with the rather long title of “Electronic device display with monitoring circuitry utilizing a crack detection resistor.” Basically, the patent utilizes an interesting method to determine whether a particular iPhone unit is sporting a cracked or damaged display.
The patent reveals that Apple plans on adding an extra section to the display that is called the “bent tail portion.” Thanks to the inclusion of a “strain sensing resistor and a temperature compensation resistor to measure strain,” and “Strain measurements may be obtained by subtracting the temperature compensation resistance from the strain sensing resistance.
