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:
Feb. 14, 2023
Filed:
Nov. 30, 2020
Hyundai Mobis Co., Ltd., Seoul, KR;
Yoon Ji Kim, Seoul, KR;
Hee Hyun Lee, Yongin-si, KR;
HYUNDAI MOBIS CO., LTD., Seoul, KR;
Abstract
An apparatus for canceling an input offset of a receiver including a differential amplification unit and a differential comparison unit in a distance sensing system includes: an output monitoring unit selectively monitoring differential outputs of the differential comparison unit and the differential amplification unit; a current type digital-analog conversion unit connected to each of an input terminal of the differential comparison unit and the input terminal of the differential amplification unit; and a control unit controlling the current type digital-analog conversion unit to reduce a difference in differential output of the differential comparison unit according to a comparison result for the difference of the monitored differential output of the differential comparison unit and controlling the current type digital-analog conversion unit to reduce the difference in differential output of the differential amplification unit according to the comparison result for the difference of the monitored differential output of the differential amplification unit.