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:
Oct. 22, 2024

Filed:

Apr. 26, 2023
Applicant:

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

Inventors:

Ronald Knox, Mount Eliza, AU;

Bhanusri Yellapragada, Mount Waverley, AU;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 17/10 (2006.01); G01S 7/481 (2006.01); G08B 17/107 (2006.01);
U.S. Cl.
CPC ...
G08B 17/107 (2013.01); G01S 7/4811 (2013.01);
Abstract

A smoke detector, and methods of operating a smoke detector, are described herein. In some examples, one or more embodiments include a laser emitter configured to emit a laser beam that illuminates an object in an area, a light receiver configured to receive light reflected from the illuminated object, and a controller configured to determine, based on the light reflected from the illuminated object, an amount of space in the area that is blocked from a field of view of the smoke detector by the object, and provide an indication responsive to the determined amount of space being above a threshold amount of space.


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