3[3]Buttar A, Jobling D, Rusznyak A, et al. A high-performance digital convergence and focus system for projection TV. Consumer Electronics, IEEE Transactions on, 1992, 38(3) :734～740.
4[4]Barrett George J. Minimum adjustment analog convergence system for curved faceplate projection tubes. Consumer Electronics, IEEE Transactions on, 1995, 41 (3):536～539.
5[5]Murakami K, Miyazaki S, Tamura T, et al. A programmable deflection processor. Consumer Electronics, IEEE Transactions on. 1991, 37(3) :544～554.
