<XML><RECORDS><RECORD><REFERENCE_TYPE>15</REFERENCE_TYPE><REFNUM>8794</REFNUM><AUTHORS><AUTHOR>Cockshott,W.P.</AUTHOR><AUTHOR>Niblett,T.B.</AUTHOR></AUTHORS><YEAR>2002</YEAR><TITLE>Flash Unit for 3D Photography</TITLE><PLACE_PUBLISHED>US Patent 6370335</PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><LABEL>Cockshott:2002:8794</LABEL><KEYWORDS><KEYWORD>stereo</KEYWORD></KEYWORDS<ABSTRACT>A flash unit comprising a flash light source (2) and a projector lens (8) positioned to project light from the flash source onto a subject. In a preferred embodiment there are two flash light sources for projecting patterned and unpatterned light respectively on to the subject, and a circuit is...</ABSTRACT></RECORD></RECORDS></XML>