US Patent Issued to Leica Biosystems Imaging on July 1 for "Input device with rotatable control knobs" (California Inventor)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,346,509, issued on July 1, was assigned to Leica Biosystems Imaging Inc.

"Input device with rotatable control knobs" was invented by Yunlu Zou (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "An input device allows a user to manipulate an image displayed by a user interface (UI) of a computer. The input device includes a housing, a first rotatable control knob supported by the housing, and a second rotatable control knob supported by the housing. The first and second rotatable control knobs allow the user to perform at least zooming and panning manipulations of the image on the UI. The input device can further include a third rotatable control k...