OPTICAL SCANNING DEVICE

• Main Authors: INOUE DAISUKE, SHIMOGAKI TETSUYA, MATSUBARA HIROYUKI, ICHIKAWA TADASHI, YAMASHITA TATSUYA
• Format: Patent
• Language: English; Japanese
• Published: 08.10.2020
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; SIGNALLING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; TESTING; TRAFFIC CONTROL SYSTEMS

To provide an optical scanning device capable of scanning light for measuring distance to a target object over an extensive range.SOLUTION: An optical scanning device provided herein is arranged on an optical integrated circuit chip and comprises: a light forming unit configured to emit output light from each light emission point; a lens disposed above the light forming unit; and a mirror configured to be at an angle with the light forming unit or to have a curved surface so as to reflect the output light received through the lens to the surroundings.SELECTED DRAWING: Figure 6 【課題】対象物との距離を測定するための光を広範囲に走査することができる。【解決手段】光走査装置は、光集積回路のチップ上に配置され、発光点の各々から出力光を出力する光形成部と、前記光形成部の上部に配置されたレンズと、前記光形成部に対し傾斜または曲面を持つ形状のミラーであって、前記レンズを介して受光する前記出力光を反射させて周囲に出射するミラーと、を含む。【選択図】図６