PROBLEM TO BE SOLVED: To obtain a desired measuring distance within a desired measuring range while suppressing an increase in power consumption.SOLUTION: Disclosed is a distance measuring device which emits light from an optical scanning system including an LD, an LD control part for controlling the LD and a polygon mirror for deflecting light from the LD, and receives reflection light from an object to measure the distance up to the object. The LD control part changes an amount of light emission of the LD within a scanning range in the optical scanning system. In this case, while suppressing an increase in power consumption, a desired measuring distance can be obtained within a desired measuring range.SELECTED DRAWING: Figure 6

    【課題】 消費電力の増大を抑制しつつ所望の測定範囲内で所望の測定距離を得ることができる。【解決手段】 距離測定装置は、LD、該LDを制御するLD制御部及びLDからの光を偏向するポリゴンミラーを含む光走査系から光を出射し、物体からの反射光を受光して前記物体までの距離を測定する距離測定装置であり、LD制御部は、光走査系による走査範囲内でLDの発光光量を変化させる。この場合、消費電力の増大を抑制しつつ所望の測定範囲内で所望の測定距離を得ることができる。【選択図】図6


    Access

    Download


    Export, share and cite



    Title :

    DISTANCE MEASURING DEVICE, MOVING BODY DEVICE, AND DISTANCE MEASURING METHOD


    Additional title:

    距離測定装置、移動体装置及び距離測定方法


    Contributors:

    Publication date :

    2016-04-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01S RADIO DIRECTION-FINDING , Funkpeilung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS



    DISTANCE MEASURING DEVICE, MOVING BODY, DISTANCE MEASURING METHOD, AND PROGRAM

    USHIO KOHEI / FUJII TOSHISHIGE / SAKAI KOJI et al. | European Patent Office | 2019

    Free access

    DISTANCE MEASURING METHOD, DISTANCE MEASURING DEVICE, VEHICLE ONBOARD DEVICE, MOVING BODY, AND DISTANCE MEASURING SYSTEM

    SEKIGUCHI HIROYOSHI / MIYAJIMA HIDETAKA / OUCHIDA SHIGERU | European Patent Office | 2020

    Free access

    MOVING DISTANCE MEASURING DEVICE

    NEGISHI HIDEO | European Patent Office | 2022

    Free access

    DISTANCE-MEASURING SYSTEM, DISTANCE-MEASURING DEVICE AND DISTANCE-MEASURING METHOD

    MAKARI HIROO / NISHIKAWA MASAKI / NITO YOSHIHARU et al. | European Patent Office | 2020

    Free access

    DISTANCE-MEASURING SYSTEM, DISTANCE-MEASURING DEVICE AND DISTANCE-MEASURING METHOD

    MAKARI HIROO / NISHIKAWA MASAKI / NITO YOSHIHARU et al. | European Patent Office | 2020

    Free access