US Patent Issued to Hewlett-Packard Development on Dec. 30 for "Isolated diagnosis of source of error using control panel circuitry" (South Korean, American Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,209, issued on Dec. 30, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).

"Isolated diagnosis of source of error using control panel circuitry" was invented by Jeongphil Kim (Seongnam Si, South Korea), Robert Mejia (Boise, Idaho), David Lance Spaulding (Boise, Idaho) and Dong Woo Kim (Seongnam Si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example image forming apparatus includes a control panel and a processor. The control panel includes a liquid crystal display, a touch screen, a microcontroller, a multiplexer, a coder-decoder, and a speaker. The processor is to control the speaker. Based on a selection of a di...