Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Reexamination Certificate
2007-02-27
2007-02-27
Pihulic, Dan (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Signal transducers
Underwater type
Reexamination Certificate
active
10495224
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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Johansen Ib-Rune
Løvhaugen Odd
Rogne Henrik
Sagberg Håkon
Solgaard Olav
Pihulic Dan
Rothwell Figg Ernst & Manbeck P.C.
Sinvent AS
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