DISTANCE MEASUREMENT DEVICE

A distance measurement device for measuring a distance to an object that exists in a distance measurement region includes: a light source configured to emit laser light; a lens configured to converge the laser light emitted from the light source, into substantially parallel light; a tubular light bl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KUMAMARU, Kouichi, YAMAGUCHI, Hideo, Hibino, Kiyoshi, BAIRIN, Kouichi, UENO, Hirotaka, IDE, Kazuhisa, INOUE, Masaomi, SHIIHARA, Masahiro, HARUGUCHI, Takashi
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A distance measurement device for measuring a distance to an object that exists in a distance measurement region includes: a light source configured to emit laser light; a lens configured to converge the laser light emitted from the light source, into substantially parallel light; a tubular light blocking member disposed on an optical path of the laser light emitted from the light source and surrounding the optical path; a photodetector configured to detect reflected light, of the laser light, reflected at the distance measurement region; and a condensing lens configured to condense the reflected light passing through the outside of the light blocking member, onto the photodetector.