	US 12,353,265 B2
	Closure detection for foldable devices
Tom Vandermeijden, San Jose, CA (US); and Samuel Toba, San Jose, CA (US)
Assigned to Synaptics Incorporated, San Jose, CA (US)
Filed by Synaptics Incorporated, San Jose, CA (US)
Filed on Jun. 9, 2023, as Appl. No. 18/332,141.
Application 18/332,141 is a continuation of application No. 17/363,138, filed on Jun. 30, 2021, granted, now 11,714,473.
Prior Publication US 2023/0315187 A1, Oct. 5, 2023
Int. Cl. G06F 1/3231 (2019.01); G06F 1/16 (2006.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01)

CPC G06F 1/3231 (2013.01) [G06F 1/1677 (2013.01); G06F 3/0418 (2013.01); G06F 3/0446 (2019.05)]

20 Claims

1. A foldable device, comprising:

a display device located in a first portion of the foldable device and configured to display information to a user, wherein the display device is not a touch screen and does not include any touch sensors;

a touch sensor located in a second portion of the foldable device; and

a processing system configured to:

obtain, using the touch sensor located in the second portion of the foldable device, noise measurements generated by the display device located in the first portion of the foldable device, wherein the first portion and the second portion of the foldable device are separated by a foldable portion; and

determine a state of the foldable device based on the noise measurements.