ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,744, issued on Nov. 18, was assigned to Google LLC (Mountain View, Calif.).
"Magnetic sensing device for lid" was invented by Yao Ding (San Jose, Calif.) and Hui Li (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The technology provides for a magnetic sensing device. The device includes a magnetic sensor configured to generate a first output triggered by a first polarity and a second output triggered by a second polarity. The device includes a first magnet, a second magnet, and a third magnet. The device may be configured such that, when the second magnet is not within a predetermined distance from the first magnet, a magnetic ...