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:
Aug. 22, 2023
Filed:
Mar. 16, 2020
Applicant:
Allegro Microsystems, Llc, Manchester, NH (US);
Inventor:
Yisong Lu, Shrewsbury, MA (US);
Assignee:
Allegro MicroSystems, LLC, Manchester, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 27/08 (2006.01); H02P 6/28 (2016.01); H02K 3/28 (2006.01); H02P 6/16 (2016.01);
U.S. Cl.
CPC ...
H02P 6/28 (2016.02); H02K 3/28 (2013.01); H02P 6/16 (2013.01);
Abstract
Methods and apparatus to control a three-phase BLDC motor with a curve transformer having an index value for each stored input value and output value for providing stored corner points for outputs of the curve transformer. The curve transformer can output interpolated data for input data between adjacent ones of the input values.