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.

Date of Patent:
Apr. 14, 2026

Filed:

Dec. 07, 2021
Applicant:

Assa Abloy Ab, Stockholm, SE;

Inventors:

Jianbo Chen, Cedar Park, TX (US);

Kapil Sachdeva, Round Rock, TX (US);

Sylvain Jacques Prevost, Austin, TX (US);

Assignee:

ASSA ABLOY AB, Stockholm, SE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/20 (2006.01); G01C 21/12 (2006.01); G07C 9/00 (2020.01); G07C 9/28 (2020.01); H04W 4/33 (2018.01);
U.S. Cl.
CPC ...
G01C 21/206 (2013.01); G01C 21/12 (2013.01); G07C 9/00571 (2013.01); G07C 9/28 (2020.01); H04W 4/33 (2018.02);
Abstract

Methods and systems () for trajectory prediction are provided. The methods and systems () include operations comprising: receiving () a plurality of observed speed points; processing () the plurality of observed speed points corresponding to the observed trajectory by a machine learning technique to generate a plurality of predicted speed points, the machine learning technique being trained to establish a relationship between a plurality of training observed speed points and training predicted speed points; determining () a future trajectory based on the plurality of predicted speed points, each of the plurality of predicted speed points corresponding to a different slice of a plurality of slices of the future trajectory; determining () that a target access control device is within a threshold range of the future trajectory; and performing () an operation associated with the target access control device ().


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