Three-dimensional-endoscope optical system

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United States of America Patent

PATENT NO 9864185
SERIAL NO

14190666

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Abstract

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Provided is a three-dimensional-endoscope optical system that is provided with two objective optical systems having optical axes, which are arranged with a spacing therebetween, and that satisfies the following conditions:

description='In-line Formulae' end='lead'0.5 mmdescription='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'3 mmdescription='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'α<10°  (3); anddescription='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'110°<ω<180°  (4),description='In-line Formulae' end='tail'

where OP is a spacing between the optical axes of optical members at the most distal ends of the objective optical systems, D is a depth of field, α is an angle of convergence (inward angle) of the depth of field D when performing near-point observation, and ω is an angle of view of the objective optical systems.

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Patent Owner(s)

Patent OwnerAddress
OLYMPUS CORPORATION2951 ISHIKAWA-MACHI HACHIOJI-SHI TOKYO 192-8507

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukushima, Ikutoshi Tokyo, JP 27 200
Konno, Mitsujiro Tokyo, JP 30 964
Namii, Yasushi Tokyo, JP 20 306
Togino, Takayoshi Tokyo, JP 150 5017

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