Integration of LED lighting control with emergency notification systems

  • US 10,713,915 B2
  • Filed: 01/03/2019
  • Issued: 07/14/2020
  • Est. Priority Date: 10/24/2008
  • Status: Active Grant
First Claim
Patent Images

1. An LED-based light, comprising:

  • a tubular housing configured to be installable in a standard light fixture;

    a plurality of LEDs disposed within the housing;

    a controller disposed within the housing, wherein the controller is configured to operate the LEDs in a normal mode, wherein at least some of the LEDs are operated to produce white light for general illumination, and in an emergency mode, wherein in the emergency mode;

    during a first time span, a first LED of the plurality of LEDs emits light according to a first brightness level,during a second time span, a second LED of the plurality of LEDs emits light according to a second brightness level greater than the first brightness level, andduring a third time span, a third LED of the plurality of LEDs emits light according to a third brightness level greater than the second brightness level,wherein the first time span partially overlaps the second time span, and wherein the second time span partially overlaps the third time span;

    an emergency detector disposed within the housing, the emergency detector having a sensor configured to detect an emergency and configured to produce an emergency signal in response to the emergency;

    a wireless signal transmitter disposed within the housing, the wireless signal transmitter configured to transmit an alarm notification to a response system in response to the emergency signal; and

    a connector arranged at an end of the housing, the connector configured for physical connection to one or more sockets of the standard light fixture such that, when the connector is physically connected to the one or more sockets, the housing, the plurality of LEDs, the controller, the emergency detector, and the wireless signal transmitter are secured in the standard light fixture.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×