DISTANCE MEASURING DEVICE AND MALFUNCTION DETERMINATION METHOD FOR DISTANCE MEASURING DEVICE

A distance measuring device includes a light receiving unit and a light emitting unit. The light receiving unit includes light-receiving regions for receiving incident light and receives the incident light in units of each light-receiving region. The light emitting unit exclusively emits detection l...

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Bibliographische Detailangaben
Hauptverfasser:	OZAKI, Noriyuki, HATA, Takehiro, RINNAI, Masato
Format:	Patent
Sprache:	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 distance measuring device includes a light receiving unit and a light emitting unit. The light receiving unit includes light-receiving regions for receiving incident light and receives the incident light in units of each light-receiving region. The light emitting unit exclusively emits detection light corresponding to each light-receiving region. The distance measuring device further includes a malfunction determining unit that, in response to the light receiving unit receiving the incident light according to the emission of the detection light, performs malfunction determination in the distance measuring device, in accordance with a difference between a property of incident light intensity in a light-receiving subject region and a property of incident light intensity in a light-receiving non-subject region, the light-receiving subject region corresponding to exclusive emission of the detection light and the light-receiving non-subject region failing to correspond to exclusive emission of the detection light, among the light-receiving regions.