参考文献:
Belyk, Kevin M. Morrison, Henry G. Jones, Philip Summa, Vincenzo Cooper, V. Brett Mahajan, Amar J. Kumke, Daniel J. Tung, Hsien-Hsin Wai, Lawrence Pruzinsky, Vanessa Pye, Philip Angelaud, Remy Mancheno, Danny Patent: US26/222 A, 26 Location in patent: Page/Page column 24-2