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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.:

US 12379205 B1

PDFFull Text
Date of Patent:
Aug. 05, 2025

Filed:

Nov. 30, 2022

Optical depth sensing systems using high speed colloidal quantum dot photodetectors

Applicant:

Swir Vision Systems Inc., Durham, NC (US);

Inventors:

Ethan J. D. Klem, Chapel Hill, NC (US);

Christopher William Gregory, Chapel Hill, NC (US);

Jeffery Allan Hilton, Jr., Durham, NC (US);

Carmen Procida, Durham, NC (US);

Michael Bond, Morrisville, NC (US);

Tewodros Tessema, Durham, NC (US);

Assignee:

SWIR Vision Systems Inc., Scottsdale, AZ (US);

Attorney:

Slayden Grubert Beard PLLC

Primary Examiner:

Michelle M Iacoletti

Assistant Examiner:

Clark David Hovis

Int. Cl.
CPC ...
G01B 11/22 (2006.01); H10K 39/30 (2023.01); B82Y 20/00 (2011.01);
U.S. Cl.
CPC ...
G01B 11/22 (2013.01); H10K 39/30 (2023.02); B82Y 20/00 (2013.01);
Abstract

An optical depth sensing system is provided including an active illumination source; and a colloidal quantum dot photodetector. The colloidal quantum dot photodetector having colloidal quantum dots as a light sensing elements and the system has rise times that are less than 5.0 ns and fall times less than 10.0 ns.

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Klem, Ethan J. D.. (2025). Optical depth sensing systems using high speed colloidal quantum dot photodetectors (U.S. Patent No. 12379205). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12379205

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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