A Basic A/D Converter with Trapping Window. - Toshimichi Saito; Hiroshi Imamura; Masaaki Naka (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

Multi-step analog-to-digital converters with trapping window. - Masaaki Naka; Toshimichi Saito (ISCAS (1), 2004)

An analog-to-digital converter with dynamic window for optimal rational number approximation. - Masaaki Naka; Toshimichi Saito; Aya Tanaka (ISCAS (3), 2005)