The Police & Crime Commissioner for Northamptonshire
发明人:
Bond, John
申请号:
AU2008237700
公开号:
AU2008237700B2
申请日:
2008.04.10
申请国别(地区):
AU
年份:
2013
代理人:
摘要:
A method of and apparatus (2) for locating and detecting a fingerprint depositedon a surface (10), the method comprising setting up an electric field such thata differential charge density is produced coincident with the location of a fingerprintdeposited on the surface. By deploying a conductive powder or other detectionelement selectively attractable to the surface (10) coincident with the differentialcharge density in the region of the fingerprint deposit a fingerprint depositedon the surface (10) is located and detected.