参考文献

Bolli, Martin; Lescop, Gyrille; Mathys, Boris; Mueller, Claus; Nayler, Oliver; Steiner, Beat Patent: US2011/46170 A1, 2011 ; Title/Abstract Full Text Show Details Bolli, Martin; Lescop, Cyrille; Mathys, Boris; Mueller, Claus; Nayler, Oliver; Steiner, Beat; Velker, Jorg Patent: US2011/212998 A1, 2011 ; US 20110212998 A1