Invention Grant
- Patent Title: Self-diagnostic fault identification system for emergency lighting unit
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Application No.: US17021225Application Date: 2020-09-15
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Publication No.: US11223219B2Publication Date: 2022-01-11
- Inventor: Allen George Cyr , Jonathan Erik Bowers , Steven Dominic Fernandes , Robert Papstein
- Applicant: Hubbell Incorporated
- Applicant Address: US CT Shelton
- Assignee: Hubbell Incorporated
- Current Assignee: Hubbell Incorporated
- Current Assignee Address: US CT Shelton
- Agency: Michael Best & Friedrich LLP
- Main IPC: H02J7/00
- IPC: H02J7/00 ; H05B47/20 ; H05B47/29 ; F21S9/02 ; H02J9/02 ; H02J9/06 ; H05B47/28 ; F21Y115/10 ; F21V21/14

Abstract:
An emergency lighting device includes a housing, a light emitter positioned in the housing, a control circuit positioned in the housing and operatively connected to the light emitter, an indicator light positioned in the housing, and a fault indicator circuit positioned in the housing and operatively connected to the indicator light. The fault indicator circuit is configured to monitor the light emitter, analyze activation of the light emitter, and activate the indicator light based on the analysis of the activation of the light emitter.
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