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:
Dec. 29, 2020

Filed:

Mar. 06, 2018
Applicant:

Honeywell International Inc., Morris Plains, NJ (US);

Inventors:

Pavel Badin, Dolni Kounice, CZ;

David C. Vacanti, Renton, WA (US);

Jan Lukas, Brno, CZ;

Assignee:

Honeywell International Inc., Charlotte, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 13/95 (2006.01); G01W 1/02 (2006.01); G01S 7/41 (2006.01); G01S 13/42 (2006.01); G01S 13/02 (2006.01);
U.S. Cl.
CPC ...
G01S 13/953 (2013.01); G01S 7/412 (2013.01); G01S 13/424 (2013.01); G01S 13/958 (2013.01); G01W 1/02 (2013.01); G01S 2013/0254 (2013.01); Y02A 90/10 (2018.01);
Abstract

In some examples, a system includes a weather radar device configured to transmit radar signals, receive first reflected radar signals at a first time, and receive second reflected radar signals at a second time. In some examples, the system also includes processing circuitry configured to determine a first magnitude of reflectivity based on the first reflected radar signals and determine a second magnitude of reflectivity based on the second reflected radar signals. In some examples, the processing circuitry is also configured to determine a temporal variance in reflectivity magnitudes based on determining a difference in reflectivity between the first magnitude and the second magnitude. In some examples, the processing circuitry is further configured to determine a presence of ice crystals based on the first magnitude of reflectivity, the second magnitude of reflectivity, and the temporal variance in reflectivity magnitudes.


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