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. 01, 2020
Filed:
Feb. 02, 2018
Applicant:
Sz Dji Technology Co., Ltd., Shenzhen, CN;
Inventors:
Wancheng Zhou, Shenzhen, CN;
Liming Huang, Shenzhen, CN;
Assignee:
SZ DJI TECHNOLOGY CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 17/00 (2006.01); G01S 7/529 (2006.01); G01S 7/527 (2006.01); G01S 15/931 (2020.01); G01S 15/93 (2020.01); G01S 7/524 (2006.01);
U.S. Cl.
CPC ...
G01B 17/00 (2013.01); G01S 7/527 (2013.01); G01S 7/529 (2013.01); G01S 7/5273 (2013.01); G01S 15/93 (2013.01); G01S 15/931 (2013.01); G01S 7/524 (2013.01);
Abstract
An ultrasonic sensing system includes an ultrasonic receiver configured to receive an ultrasonic signal and a gain-adjustable amplifier operably coupled to the ultrasonic receiver. The gain-adjustable amplifier is configured to amplify the ultrasonic signal according to a variable gain determined based at least in part on a value of a timer that corresponds to a measuring distance.