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:
Jul. 12, 2022
Filed:
Aug. 11, 2021
Applicant:
Xmems Labs, Inc., Santa Clara, CA (US);
Inventors:
Jemm Yue Liang, Sunnyvale, CA (US);
Hsi-Sheng Chen, Fremont, CA (US);
Assignee:
xMEMS Labs, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/1252 (2006.01); G06F 7/523 (2006.01); G06F 7/487 (2006.01); H03H 17/02 (2006.01);
U.S. Cl.
CPC ...
H03K 5/1252 (2013.01); G06F 7/4876 (2013.01); G06F 7/523 (2013.01); H03H 17/0248 (2013.01);
Abstract
A filter is disclosed. The filter includes at least one first multiplication approximation unit, for approximating at least one first multiplication operation corresponding to at least one first coefficient with at least one first bit-wise shift operation; and at least one second multiplication approximation unit, for approximating at least one second multiplication operation corresponding to at least one second coefficient with a plurality of second bit-wise shift operations and at least one addition operation.