Abstract
A handheld digital electronic device with a rear tactile display that is also multitouch-sensitive is disclosed. In the context of blind thumb-typing (such as when the electronic device is connected to augmented reality glasses), the present invention can provide tactile passthrough for the thumb-position that readily provides feedback on the character about to be input. The multitouch-sensitivity of the tactile display would be used to measure the positions of the fingers on the back holding the device, and image processing would establish a correspondence between finger parts and location on the rear. Upon touching a control element for input on the (also touch-sensitive) front of the device, a tactile sensation would be induced in a part of the fingers that corresponds to the input command, and independently of how exactly the handheld device is being held by the fingers (because calibration by image processing has removed this dependence). If the user has memorized the correspondence between tactilely excited finger part and command, he would then be able to input the latter without the need for visual confirmation.
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.
Recommended Citation
Anonymous, "ThumbFeel, a tactile rear display with passthrough for thumb-position that could facilitate blind typing in augmented reality", Technical Disclosure Commons, (December 04, 2025)
https://www.tdcommons.org/dpubs_series/8981