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.
Patent No.:
Date of Patent:
Nov. 02, 2021
Filed:
Jun. 27, 2016
Siemens Mobility, Inc., New York, NY (US);
Jeffrey Smith, Chippenham, GB;
David Cowen, Chippenham, GB;
Siemens Mobility, Inc., New York, NY (US);
Abstract
A monitoring system for a light emitting diode (LED) signal () includes optical detectors () for measuring a light output of LEDs (), a first processing unit () in communication with the plurality of optical detectors () and configured to receive and process measurement data of the light output from the plurality of optical detectors (), and a first switching element () operably coupled to the first processing unit (). The first processing unit () is further configured to transmit a control signal based on the measurement data of the light output of the plurality of LEDs () to the first switching element () to disconnect a reference load () by switching from a first state to a second state when the light output is less than a predefined threshold value, wherein the second state of the first switching element () is stored in a storage medium ().