ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,226, issued on June 3, was assigned to AUTOLIV DEVELOPMENT AB (Vargarda, Sweden).

"Belt retractor unit and vehicle having such a belt retractor unit" was invented by Philip Rings (Norderstedt, Germany), Martin Pawlowski (Munsterdorf, Germany) and Heiko Hinrichs (Welmbuttel, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A belt retractor unit with a housing, a rotatably mounted belt reel, a blocking unit for blocking the belt reel, wherein the blocking unit has an electrically controllable actuator unit, a control apparatus for controlling the actuator unit, which has a sensor apparatus for measuring at least one horizontal acceleration value ...