- Patent Title: Flicker mitigation for multiple interspersed illumination systems
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Application No.: US16676398Application Date: 2019-11-06
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Publication No.: US11562161B2Publication Date: 2023-01-24
- Inventor: Przemyslaw Kowalewski , Darran Michael Handshaw , Robert W. DiGiovanna , Mark D. Anderson , Eugene B. Joseph , Mark Drzymala , Miguel Orlando Rodriguez Ortiz
- Applicant: ZEBRA TECHNOLOGIES CORPORATION
- Applicant Address: US IL Lincolnshire
- Assignee: ZEBRA TECHNOLOGIES CORPORATION
- Current Assignee: ZEBRA TECHNOLOGIES CORPORATION
- Current Assignee Address: US IL Lincolnshire
- Agent Yuri Astvatsaturov
- Main IPC: G06K7/10
- IPC: G06K7/10

Abstract:
A method of activating an illumination assembly within a symbology reader is provided, the illumination assembly having a first illumination source and a second illumination source, the symbology reader having an imaging sensor configured to operate at a predetermined framerate where each frame includes an exposure period over which the imaging sensor is active to capture image data and a non-exposure period over which the imaging sensor is not active to capture image data, the method comprising: during a first frame, activating the first illumination source during at least a portion of the respective exposure period and activating the second illumination source over at least a portion of the respective non-exposure period; and during a second frame, activating the second illumination source during at least a portion of the respective exposure period and activating the first illumination source over at least a portion of the respective non-exposure period.
Public/Granted literature
- US20210133407A1 FLICKER MITIGATION FOR MULTIPLE INTERSPERSED ILLUMINATION SYSTEMS Public/Granted day:2021-05-06
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