ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,470, issued on April 15, was assigned to Rohm Co. Ltd. (Kyoto, Japan).
"Main device, sub-device and communication system" was invented by Takahiro Nishiyama (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a main device, a sub-device and a communication system. The sub-device includes a receiver, a status signal transmitter, a read memory, and a status setting unit. The receiver is configured to receive a read command from the main device. The status signal transmitter is configured to transmit a status signal to the main device. The status setting unit is configured to determine whether a read data has bee...