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JPS5389451A Expired / Lapsed JP ⏱️ 0.0 years remaining

Endoscope visual field direction changing attachment optical system

Assignee: Olympus Corp
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Filing: 1977-01-18
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Granted: —
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Expires: 1997-01-18
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Abstract

Abstract PURPOSE: To obviate the occurrence of ghost and flare and make possible illuminated observation of over a wide range by bonding the mirror face of the visual field changing prism of an observation system directly or via shield plate to the illuminating direction changing prism of the illumination system to an integral unit. COPYRIGHT: (C)1978,JPO&Japio

Inventors

  • 👤 Nobuo Yamashita

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-04 01:49
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/24; G02B23/2407; G02B23/2423; A; A61; A61B; A61B1/00; A61B1/00064; A61B1/00071; A61B1/0008; A61B1/00096; A61B1/00163; A61B1/00165; A61B1/00174; A61B1/00177; A61B1/06; A61B1/0615

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