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US 10,481,383 B2Granted
Endoscopic optical system
AssigneeOlympus Winter & Ibe GmbH
InventorsGregor Kiedrowski, Peter Schouwink
Life of this patent
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Abstract
An endoscopic optical system including: a fiber image conductor arranged in an elongated shaft tube, the fiber image conductor having a proximal face; an objective arranged distally relative to the fiber image conductor; an observation device arranged proximally relative to the proximal face of the fiber image conductor; a mask; and a transparent cover pane arranged between the proximal face of the fiber image conductor and the observation device; wherein the transparent cover pane is configured as a moire filter.
Claims4
An endoscopic optical system comprising:
- a fiber image conductor arranged in an elongated shaft tube, the fiber image conductor having a proximal face;
- an objective arranged distally relative to the fiber image conductor;
- an observation device arranged proximally relative to the proximal face of the fiber image conductor;
- a mask formed of metal;
- and
- a transparent cover pane arranged between the proximal face of the fiber image conductor and the observation device;
- wherein the transparent cover pane is configured as a moire filter;
- and
- the mask is a metal vapor deposition layer on a distal face of the moire filter and attached to the image conductor via an adhesive.
6 more elements
Dependencies are inferred from the claim text.