Dacor is a former American manufacturer of scuba diving gear which was founded in 1953 by Sam Davison Jr. in Evanston, Illinois as "The Davison Corporation", from which Dacor was coined by using the initial syllables, "Da" and "cor".[1][2]
Dacor was one of the five original United States diving gear makers:
Star Wars sound designer Ben Burtt around 1977 used a Dacor scuba regulator to create the heavy breathing of the notorious antagonist Darth Vader.[citation needed]