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. 28, 2026

Filed:

Sep. 26, 2024
Applicant:

Stmicroelectronics (Research & Development) Limited, Buckinghamshire, GB;

Inventor:

Andreas Assmann, Edinburgh, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 17/894 (2020.01); G01S 7/481 (2006.01); G01S 7/4865 (2020.01); H04N 23/56 (2023.01);
U.S. Cl.
CPC ...
G01S 17/894 (2020.01); G01S 7/4816 (2013.01); G01S 7/4865 (2013.01); H04N 23/56 (2023.01);
Abstract

A differential correlator filter includes: a pre-pulse region, where first filter coefficients in the pre-pulse region have negative values; and a pulse region including: a rising edge region adjacent to the pre-pulse region, where second filter coefficients in the rising edge region have positive values; an accumulation region adjacent to the rising edge region, where third filter coefficients of the accumulation region have positive values; and a falling edge region adjacent to the accumulation region, where fourth filter coefficients of the falling edge region have positive values, where the accumulation region is between the rising edge region and the falling edge region. The differential correlator filter further includes a post-pulse region adjacent to the pulse region, where the pulse region is between the pre-pulse region and the post-pulse region, where fifth filter coefficients of the post-pulse region have negative values.


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