Patent ID: 9418635
Filing Date: 2016-08-16
CPC Classification: G10D

Claim Text:
1. A retrofittable heater system for use with a musical brass instrument that has a metal mouthpiece slidably removable from a leadpipe connected to the instrument, the heater system comprising: an ohmic heat generating element, disposed in thermal proximity to at least a portion of said mouthpiece, to generate heat when coupled to an appropriate power source delivering current i(t); means for monitoring temperature of at least a portion of said mouthpiece, said means for monitoring thermally coupled to at least a portion of said mouthpiece; means for comparing temperature of at least a portion of said mouthpiece with a musician desired temperature, said means for comparing causing a current flow i(t) through said ohmic heat generating element to vary temperature of said mouthpiece as needed in closed-loop operation.