The present invention outlines structures and methods for delivering a controllable amount of energy to a patient by automatically compensating for the load impedance detected by an implantable-cardioverter defibrillator (ICD). The invention employs high speed, switching power converter technology for...http://www.google.com/patents/US20030125773?utm_source=gb-gplus-sharePatent US20030125773 - Control of arbitrary waveforms for constant delivered energy
