Flash Cards

E6F05

Which of the following describes an optical shaft encoder?

• A. An optical computing device in which light is coupled between devices by fiber optics
• B. A device that detects rotation by interrupting a light source with a patterned wheel
• C. A device that measures the strength of a beam of light using analog-to-digital conversion
• D. A device for generating RTTY signals by means of a rotating light source