About: http://webisa.webdatacommons.org/206918538

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Dugan's gain sharing patent expired several years ago, and now manufacturers such as Polycom and Lectrosonics incorporate their own techniques of gain sharing in their mixers.
http://www.w3.org/ns/prov#wasQuotedFrom	avnetwork.com