ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,158, issued on May 12, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Method and device for detecting state of door or window" was invented by SHangru Li (Suzhou, China), Dan Liu (Suzhou, China) and Haibo Qin (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting a state of a door or window is provided, comprising: receiving sensor data from a sensor arranged on the door or window, the sensor data comprising magnetometer data and at least one of angular velocity data and acceleration data; judging whether magnetic field distortion is present on the basis of the sensor data; and when it is judged that the magnet...