US Patent Issued to Hewlett-Packard Development on Nov. 11 for "Prevention of CRUM chip malfunction through lock control of consumable unit" (South Korean Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,239, issued on Nov. 11, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).

"Prevention of CRUM chip malfunction through lock control of consumable unit" was invented by Youngjae Lee (Suwon, South Korea), Jaeyoon One (Seongnam Si, South Korea) and Kiyoung Lee (Seongnam Si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example image forming apparatus includes a locking unit to lock a consumable unit to the image forming apparatus, the consumable unit including a customer replaceable unit monitoring (CRUM) chip, a CRUM power supply to supply power to the CRUM chip, and a main controller to perform an image forming job u...