US Patent Issued to Canon on Aug. 12 for "Data carrier apparatus, communication system, and replaceable unit" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,388,693, issued on Aug. 12, was assigned to Canon K.K. (Tokyo).

"Data carrier apparatus, communication system, and replaceable unit" was invented by Tsutomu Ishida (Shizuoka, Japan) and Kenjiro Hori (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a data carrier apparatus, a reception unit receives, from a data carrier driving apparatus, a pulse signal that alternatingly repeats a first-level period and a second-level period, which are set based on individual data values. A measurement unit measures respective time widths of the first-level period and the second-level period in the received pulse signal. A demodulation unit demodulates ...