... propor-tional to the inclination angle with a good linearity better than 1%. The pendu-lum is strongly damped by oil. If the pendulum is built in a mechanical or opticalindexing head, any direction ... ball screw (see Figure 2-2), a pinion-rack, a screw-rack, a roll-band, or a wheel-track device. Strongly speed-reducing transmissionssuch as harmonic drives, worm drives, and others are used for ... slots can vary. Usinga narrower sampling slot (d ( s=2), the light intensity at the receiver is stronger.The receiver gives almost a rectangular signal (Figure 2-12; left).The properties of this...