Surgery – Endoscope – Having imaging and illumination means
Reexamination Certificate
2004-09-03
2008-03-04
Leubecker, John P. (Department: 3739)
Surgery
Endoscope
Having imaging and illumination means
C600S113000, C359S205100
Reexamination Certificate
active
07338439
ABSTRACT:
A condensing optical system, suitable for a scanning confocal optical system (having a composition for scanning a beam spot on a subject surface by swinging a point source of light) and capable of satisfactorily suppressing various aberrations and reducing loss of light quantity, is provided. The condensing optical system, installed in a scanning confocal optical system for obtaining images of a subject surface by scanning a beam emitted from a point source of light by moving the point source which serves as a pinhole for confocal observation, is configured to satisfy the following conditionin-line-formulae description="In-line Formulae" end="lead"?0.1<|m×NA|<0.2in-line-formulae description="In-line Formulae" end="tail"?where “m” denotes magnification of the condensing optical system and “NA” denotes a numerical aperture of the condensing optical system on its subject surface side.
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U.S. Appl. No. 10/774,540, no date.
Greenblum & Bernstein P.L.C.
Leubecker John P.
Optiscan Pty Ltd.
PENTAX Corporation
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