Patent ID: 11972066
Assignee: DELL PRODUCTS L.P.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. An information handling system comprising:
a processor operable to execute instructions to process information;
a memory interfaced with the processor and operable to store the information and instructions;
a display interfaced with the processor and operable to present the information as visual images;
a mouse interfaced with the processor, the mouse having a position sensor operable to detect movement for cursor position control of a cursor presented at the display, the mouse having a scroll wheel exposed at an upper surface, the scroll wheel rotating with a tactile response created by magnetic attraction between a geared wheel coupled to the scroll wheel and a magnet disposed proximate the geared wheel, the magnet having a magnetic field focused towards the geared wheel; and
a magnetic focus lens coupled to the magnet and having ferromagnetic material configured to direct the magnetic field of the magnet at the geared wheel, the magnetic focus lens having a first arm directed at the geared wheel at a first location and focusing the magnet north pole and a second arm directed at the geared wheel at a second location and focusing the magnet south pole;
wherein the first and second arms of the magnetic focus lens are spaced to simultaneously align with a spike of the geared wheel.