Invention Grant
- Patent Title: Method and apparatus for elevators to detect concealed object and inform building management system
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Application No.: US16514140Application Date: 2019-07-17
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Publication No.: US11745978B2Publication Date: 2023-09-05
- Inventor: Jayapal Reddy Gireddy , Devendar Gorenkala
- Applicant: OTIS ELEVATOR COMPANY
- Applicant Address: US CT Farmington
- Assignee: OTIS ELEVATOR COMPANY
- Current Assignee: OTIS ELEVATOR COMPANY
- Current Assignee Address: US CT Farmington
- Agency: CANTOR COLBURN LLP
- Priority: IN 1811028021 2018.07.25
- Main IPC: B66B5/00
- IPC: B66B5/00 ; B66B13/14 ; B66B3/00
Abstract:
A method for object detection within an elevator car including: transmitting radar signals at a selected polarization into an elevator car towards an individual; receiving reflected radar signals at a reflected polarization; comparing the reflected polarization to the selected polarization; determining that the individual is in possession of a metal object in response to comparing the reflected polarization to the selected polarization; and activating an alert in response to the determining that the individual is in possession of the metal object.
Public/Granted literature
- US20200031617A1 METHOD AND APPARATUS FOR ELEVATORS TO DETECT CONCEALED OBJECT AND INFORM BUILDING MANAGEMENT SYSTEM Public/Granted day:2020-01-30
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