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:
Mar. 15, 2022

Filed:

Dec. 26, 2019
Applicant:

Indian Institute of Technology Delhi, New Delhi, IN;

Inventors:

Abhishek Dixit, New Delhi, IN;

Rishu Raj, New Delhi, IN;

Karan Saxena, New Delhi, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/20 (2006.01); G06K 7/10 (2006.01);
U.S. Cl.
CPC ...
G01C 21/206 (2013.01); G06K 7/10544 (2013.01);
Abstract

One or more systems and methods for identifying one or more passive optical identifier tag from a plurality of passive optical identifier tags is provided. The method includes emitting light from a light source device. Further, the method includes transmitting, by said plurality of passive optical identifier tags, reflected light to a receiver. The method further includes reflecting, by the plurality of passive optical identifier tags, the emitted light with its unique set of wavelengths, said set of wavelengths being inferred by the corresponding reflection sequence.


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