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:
Sep. 09, 2025

Filed:

Nov. 10, 2021
Applicant:

Egis Technology Inc., Hsinchu, TW;

Inventors:

Tung-Yu Wu, Hsinchu, TW;

Tang-Hung Po, Hsinchu, TW;

Sheng Wan, Hsinchu, TW;

Assignee:

Egis Technology Inc., Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 17/00 (2020.01); G01S 7/48 (2006.01); G01S 7/4863 (2020.01); G01S 7/4865 (2020.01); G01S 17/46 (2006.01);
U.S. Cl.
CPC ...
G01S 17/46 (2013.01); G01S 7/4808 (2013.01); G01S 7/4863 (2013.01); G01S 7/4865 (2013.01);
Abstract

A time-of-flight ranging device and a time-of-flight ranging method are provided. The time-of-flight ranging device includes a light source, a sensing array, and a time-to-digital converter. The light source emits a laser pulse signal towards a sensing target. The sensing array includes a plurality of sensing units. The sensing array is configured to sense reflected pulse light generated when the sensing target reflects the laser pulse signal. The time-to-digital converter is coupled to the sensing array. The time-to-digital converter performs an integration operation on a plurality of sensing results of the sensing units during a plurality of consecutive integration periods to generate histogram data. At least part of the integration periods have different time lengths, such that at least part of a plurality of bins in the histogram data have different bin widths.


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