User:James J. Croft III

James J. Croft III is an American inventor.
James Croft III – Chief Technology Officer, American Technology Corporation James Croft is an American inventor with over 35 years experience in the fields of acoustics and audio. As a founder of Definitive Audio,, one of the most successful high-end audio stores in North America, Mr. Croft gained strong business building and marketing expertise. Today, he still serves as Director of Definitive Audio’s Board, which has been in business since 1975.

His extensive research in psycho-acoustics, electro-acoustics, and power electronics have led to more than 20 U.S. patents and more than a dozen pending.

His research in the audio field, and the resulting patents, has been used in non-lethal defense systems including LRAD, which has changed the outcome [javascript:cnnVideo('play','/video/world/2005/11/05/whitfield.cruise.ship.pirates.affl');]of terrorist acts.

Mr. Croft has also developed audio and audio-video products for major companies, including Harman-JBL, Philips, and Toshiba. He also worked with Paccar, NCT, and Ford Motor Company on advanced technologies such as audio noise cancellation.

From October 1992 to October 1997 he was an executive with Carver Corporation, then a publicly traded high-end audio supplier. He was appointed Vice President of Marketing and Product Development for Carver Corporation in March 1993 and Vice President Research and Development in February 1995. From 1990 through October 1992 Mr. Croft held various positions at Dahlquist, Inc., a loudspeaker manufacturer, including Vice President of Research and Development.

Mr. Croft has also written a patent review column for an industry technical journal for over 15 years. He studied education, anthropology, and electro-acoustics at Evergreen State College.