4 ms·
Is it this one? https://patents.google.com/patent/US20050184962A1/en https://patents.google.com/patent/US20050184962A1/en > [..] and a plurality of Sensors lo
by quikoa 2mo ago
Is it this one?
https://patents.google.com/patent/US20050184962A1/en https://patents.google.com/patent/US20050184962A1/en
> [..] and a plurality of Sensors located in the capacity Surrounding the track ball for detecting pressure directions.
...
> Status Expired