An electromagnetic pickup adapted for use with a multistringed musical instrument having strings formed of a ferromagnetic material having a first wire coil wound in a first direction in an elongated oval shape wherein the first coil has a geometrical distance along its elongated axis which exceeds the...http://www.google.ca/patents/US4524667?utm_source=gb-gplus-sharePatent US4524667 - Electromagnetic pickup for a stringed musical instrument having ferromagnetic strings and method