About: http://webisa.webdatacommons.org/159063152

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	A helical antenna is disclosed in Japanese Unexamined Patent Application Publication No. 2003-37426 (Patent Document 1) as a small antenna that is used in mobile communication, such as cellular phones.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com