The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 20, 2022
Filed:
Nov. 30, 2020
Hitachi-lg Data Storage, Inc., Tokyo, JP;
Hiroshi Ogasawara, Tokyo, JP;
Toshimichi Shintani, Tokyo, JP;
Takahiro Komaki, Hitachi, JP;
Hisataka Sugiyama, Tokyo, JP;
HITACHI-LG DATA STORAGE, INC., Tokyo, JP;
Abstract
A distance measurement device includes a light-emitting-unit that emits irradiation light toward an object; a light-receiving unit that receives reflected light from the object; a distance-calculation unit that calculates a distance to the object based on a transmission time of the reflected light received; a posture-adjustment mechanism that adjusts a posture of at least the light-receiving-unit; and a posture-controller that drives the posture-adjustment mechanism. The light-receiving unit is formed of a two-dimensional sensor in which a plurality of pixels are two-dimensionally arrayed, and the distance-calculation unit calculates two-dimensional distance data from received light data in each of the pixels of the two-dimensional sensor. The posture-controller controls the posture of the light-receiving unit via the posture-adjustment mechanism such that a direction of a pixel array of the two-dimensional sensor is inclined by a predetermined angle θ with respect to a direction of a ridge of the object to receive the light.