Power over ethernet lighting fixture
First Claim
Patent Images
1. A lighting fixture configured as a power over Ethernet (PoE) powered device (PD) comprising:
- a light source;
a PoE interface configured to facilitate Ethernet-based communications over an Ethernet cable and receive sourced power via the Ethernet cable from a power sourcing entity (PSE);
a power supply unit associated with the PoE interface and configured to provide supply power from the sourced power;
at least one control element; and
circuitry configured to;
receive the supply power from the power supply unit;
control the light source;
communicate with other lighting fixtures via the PoE interface, wherein power for the light source is derived from the sourced power;
receive control element information from the at least one control element and send a message based on the control element information to at least one of the other lighting fixtures via the PoE interface;
control the light source based on sensor information received from the at least one of the other lighting fixtures via the PoE interface and the control element information;
generate an instruction for the at least one of the other lighting fixtures to enter a lightcast mode to look for a light signal via a sensor; and
send the instruction to the at least one of the other lighting fixtures via the PoE interface.
3 Assignments
0 Petitions
Accused Products
Abstract
In a first embodiment, a lighting fixture is configured as a power over Ethernet (PoE) powered device (PD), which is capable of facilitating Ethernet-based communications with and receiving power from a PoE device, such as a PoE switch, over a single cable. In a second embodiment, a lighting fixture is configured as a PoE power source equipment (PSE) device, which is capable of facilitating Ethernet-based communications with and supplying power to one or more control elements.
274 Citations
13 Claims
-
1. A lighting fixture configured as a power over Ethernet (PoE) powered device (PD) comprising:
-
a light source; a PoE interface configured to facilitate Ethernet-based communications over an Ethernet cable and receive sourced power via the Ethernet cable from a power sourcing entity (PSE); a power supply unit associated with the PoE interface and configured to provide supply power from the sourced power; at least one control element; and circuitry configured to; receive the supply power from the power supply unit; control the light source; communicate with other lighting fixtures via the PoE interface, wherein power for the light source is derived from the sourced power; receive control element information from the at least one control element and send a message based on the control element information to at least one of the other lighting fixtures via the PoE interface; control the light source based on sensor information received from the at least one of the other lighting fixtures via the PoE interface and the control element information; generate an instruction for the at least one of the other lighting fixtures to enter a lightcast mode to look for a light signal via a sensor; and send the instruction to the at least one of the other lighting fixtures via the PoE interface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
Specification