ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,842, issued on Nov. 11, was assigned to Dell Products LP (Round Rock, Texas).

"Multifocal camera by refractive insertion and removal mechanism" was invented by Yi-Hsien Lin (Taipei, Taiwan), Chih-Hao Kao (Singapore) and Ghee Beng Ooi (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "An information handling system camera that includes a rapid focus capability for near and far objects by selectively inserting and removing a refractive material between the camera lens and image sensor to effectively adjust the camera focusing distance. When far object focus is desired, a refractive material of predefined properties is inserted to enable an inst...