US Patent Issued to International Business Machines on Dec. 16 for "Multi-phase clock generation circuit with digital calibration" (Minnesota, Texas Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,581, issued on Dec. 16, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Multi-phase clock generation circuit with digital calibration" was invented by David M. Friend (Stewartville, Minn.), Daniel Mark Dreps (Georgetown, Texas), Dereje Yilma (Rochester, Minn.), Glen A. Wiedemeier (Austin, Texas) and Yang You (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power saving improvement in an injection locked oscillator (ILO) used is described. The ILO circuitry comprises a feedback path to provide a finecal (M-bit fine calibration signal). The feedback path need not be active at all times; only when an event occurs t...