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1. WO2020116158 - PHOTODETECTION DEVICE, CONTROL METHOD FOR PHOTODETECTION DEVICE, AND DISTANCE MEASURING DEVICE

Publication Number WO/2020/116158
Publication Date 11.06.2020
International Application No. PCT/JP2019/045367
International Filing Date 20.11.2019
IPC
G01J 1/42 2006.01
GPHYSICS
01MEASURING; TESTING
JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
1Photometry, e.g. photographic exposure meter
42using electric radiation detectors
G01C 3/06 2006.01
GPHYSICS
01MEASURING; TESTING
CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
3Measuring distances in line of sight; Optical rangefinders
02Details
06Use of electric means to obtain final indication
H01L 31/02 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
02Details
G01S 7/481 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/, G01S15/, G01S17/127
48of systems according to group G01S17/58
481Constructional features, e.g. arrangements of optical elements
Applicants
  • ソニーセミコンダクタソリューションズ株式会社 SONY SEMICONDUCTOR SOLUTIONS CORPORATION [JP]/[JP]
Inventors
  • 小澤 治 OZAWA Osamu
Agents
  • 山本 孝久 YAMAMOTO Takahisa
  • 吉井 正明 YOSHII Masaaki
Priority Data
2018-22780905.12.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) PHOTODETECTION DEVICE, CONTROL METHOD FOR PHOTODETECTION DEVICE, AND DISTANCE MEASURING DEVICE
(FR) DISPOSITIF DE PHOTODÉTECTION, PROCÉDÉ DE COMMANDE DESTINÉ À UN DISPOSITIF DE PHOTODÉTECTION ET DISPOSITIF DE MESURE DE DISTANCE
(JA) 光検出装置及び光検出装置の制御方法、並びに、測距装置
Abstract
(EN)
A photodetection device according to the present disclosure is provided with: a light-receiving element; a load circuit connected to the light-receiving element; and a control unit that controls a recharge current flowing in the load circuit according to the element property of the light-receiving element. In addition, a distance measuring device according to the present disclosure is provided with a light source that radiates a measurement target object with light and a photodetection device that detects the light reflected from the measurement target object, wherein the photodetection device of the above configuration is used as the photodetection device.
(FR)
La présente invention concerne un dispositif de photodétection comprenant : un élément de réception de lumière; un circuit de charge connecté à l'élément de réception de lumière; et une unité de commande qui commande un courant de recharge circulant dans le circuit de charge en fonction de la propriété d'élément de l'élément de réception de lumière. De plus, un dispositif de mesure de distance de la présente invention comprend une source de lumière qui rayonne un objet cible de mesure avec de la lumière et un dispositif de photodétection qui détecte la lumière réfléchie par l'objet cible de mesure, le dispositif de photodétection de la présente invention étant utilisé en tant que dispositif de photodétection.
(JA)
本開示の光検出装置は、受光素子、受光素子に接続される負荷回路、及び、受光素子の素子特性に応じて、負荷回路に流れるリチャージ電流を制御する制御部、を備える。また、本開示の測距装置は、測定対象物に対して光を照射する光源、及び、測定対象物で反射された光を検出する光検出装置を備え、当該光検出装置として、上記の構成の光検出装置を用いる。
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