About: http://webisa.webdatacommons.org/445308408

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 sine wave carrier signal, as opposed to square wave or other types, used in such an embodiment tends to produce quieter haptic effects in the described embodiment of FIG. 8 b, which is often more desirable.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk