The principle used in most encoders (linear or rotational) is the same: an optical device. We shall study two types of rotational encoders briefly. Figure 3.12 shows an incremental encoder.
Amy McDougall/Barone (Monica Horan) becomes Robert Barone's second wife (in season 7), and is the best friend of Debra, who introduces her to Robert. A recurring character for the first seven seasons of the series, Amy became essentially a regular cast member for the remainder of the show's run.
15 Celebrities You Totally Forgot Were On Buffy The Vampire Slayer. Before she was the major movie star she is today, Amy Adams actually popped up in a bunch of hit shows from the early 2000s, including Charmed, That '70s Show, Smallville, and The West Wing. She also has a guest role in one season 5 episode of Buffy as Tara's cousin Beth.