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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Olav Solgaard0
Håkon Sagberg0
Ib-Rune Johansen0
Odd Løvhaugen0
Dag Wang0
Henrik Rogne0
Date of Patent
February 27, 2007
Patent Application Number
10495224
Date Filed
November 13, 2002
Patent Primary Examiner
Patent abstract
The invention relates an optical displacement sensor element comprising two essentially flat surfaces (1,2) being separated by a cavity defined by a spacer (5) and the surfaces (1,2), the distance between the surfaces being variable, wherein a first of said surfaces (1) is positioned on an at least partially transparent carrier (3) and being provided with a reflective pattern, the pattern constituting a pattern being shaped as a diffractive lens, and said second surface (2) being a reflective surface.
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