ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,797, issued on March 11.
"Front derailleur with integral cadence sensor" was invented by Hazem Nihad Hamed (Los Angeles).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bicycle front derailleur with an integral cadence sensor serving to guard against undesirable actuation of either front or rear derailleur without necessary chain movement being present and additionally making use of a standard wireless remote control (RC) servo drive unit relying exclusively on spur gearing reduction facilitating highly efficient and accurate derailleur positioning thereof through a magnetic rotary encoder with direct sensing of derailleur position and with alignme...