photoelectric door opener

photoelectric door opener

[¦fōd·ō·i′lek·trik ′dȯr ‚ōp·ə·nər]

(control systems)

A control system that employs a photocell or other photo device, used to open and close a power-operated door.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.