US 12,111,983 B2
Computer mouse
Scott Li, Morrisville, NC (US); Igor Stolbikov, Morrisville, NC (US); Rafael Rodrigues Machado, Morrisville, NC (US); and Navneet Keshav, Morrisville, NC (US)
Assigned to LENOVO (SINGAPORE) PTE. LTD, Singapore (SG)
Filed by LENOVO (SINGAPORE) PTE. LTD., Singapore (SG)
Filed on Dec. 17, 2022, as Appl. No. 18/083,487.
Prior Publication US 2024/0201799 A1, Jun. 20, 2024
Int. Cl. G06F 3/0354 (2013.01); G06F 3/01 (2006.01); G06F 3/0485 (2022.01); G06F 3/16 (2006.01)
CPC G06F 3/03543 (2013.01) [G06F 3/016 (2013.01); G06F 3/0485 (2013.01); G06F 3/167 (2013.01); G06F 2203/04806 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A computer mouse comprising:
a scroll wheel assembly that comprises a scroll wheel rotatable about a scroll wheel axis;
a motor assembly that comprises a rotor aligned with the scroll wheel axis and operatively coupled to the scroll wheel, wherein the motor assembly comprises a brushless DC motor; and
motor control circuitry for control of the brushless DC motor, wherein the motor control circuitry senses a stall condition as input responsive to application of force to the scroll wheel that overcomes a torque of the brushless DC motor, wherein the motor control circuitry controls power to the brushless DC motor responsive to a sense of the stall condition to reduce risk of overheating, and wherein the motor control circuitry comprises a haptic feedback mode to generate haptic feedback via the scroll wheel via application of force to the rotor by the brushless DC motor.