Light detection device

A light detection device (10) that scans a projected light beam (PB) toward an external detection region (DA) and detects a reflected light beam (RB) from the detection region (DA) with respect to the projected light beam (PB) is provided with: a light receiving optical system (42) that guides the r...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MIKI SAKITO, ONDA KAZUHISA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	A light detection device (10) that scans a projected light beam (PB) toward an external detection region (DA) and detects a reflected light beam (RB) from the detection region (DA) with respect to the projected light beam (PB) is provided with: a light receiving optical system (42) that guides the reflected light beam (RB) along a light receiving optical axis (ROA); and a light receiver (45) that outputs a detection signal by receiving the reflected light beam (RB) imaged by the light receiving optical system (42). The light receiver (45) has formed thereon a light receiving surface (47) in which a light receiving aspect ratio (RR) is set as an aspect ratio along a first reference axis (Y) orthogonal to a light receiving optical axis (ROA) on the long side. The light receiving surface (47) is disposed in a posture inclined around the first reference axis (Y) with respect to a posture along a second reference axis (X) orthogonal to the light receiving optical axis (ROA) and the first reference axis (Y). 一种光检测装