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JPS5877609A Expired / Lapsed JP ⏱️ 0.0 years remaining

shape detection device

Assignee: Hitachi Ltd
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Filing: 1981-11-02
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Granted: —
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Expires: 2001-11-02
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Abstract

Abstract PURPOSE:To eliminate erroneous detection by secondary reflection and to detect shapes correctly by scanning spot light onto an object having a metallic mirror surface, scanning an image pickup device in synchronization with the spot light and detecting the shape of the object. CONSTITUTION:The slender laser beam outputted from a laser light source 8 is reflected by a galvanomirror 9, passes through a projecting lens 10 and forms a spot 16 on an object. The spot 16 moves on the object in a broken line direction when scanned by the galvanomirror 9. In synchronization with the movement, an imade detector 12 is scanned, whereby the shape of the object is detected.

Inventors

  • 👤 Yasuo Nakagawa
  • 👤 中川 泰夫
  • 👤 Hiroshi Makihira
  • 👤 牧平 坦
  • 👤 Takanori Ninomiya
  • 👤 隆典 二宮

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-08 12:34
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/24

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