1. An inclinometer and accelerometer system for measuring physical activity in children;Lanningham-Foster;Obes. Res.,2004
2. Micromechanical inclinometer;Mescheder;Sens. Actuators A: Phys.,1997
3. G. Pitts, US Patent 4,667,413 (1987), USA.
4. On a micromachined fluidic inclinometer;Yotter,2003
5. Micro capacitive inclination sensor utilizing dielectric nano-particles;Ueda,2006