METHOD AND APPARATUS FOR RADIO-FREQUENCY CONTROLLABLE LED LAMP FIXTURE ANTENNA
First Claim
1. A light emitting diode fixture comprising:
- a heat sink comprising a front face and a cavity region having an opening at the front face of the heat sink and a bottom surface within the heat sink;
a light-emitting diode (LED) mounted on the bottom surface within the heat sink;
an antenna disposed at least at or near the front face of the heat sink and configured to receive radio-frequency (RF) control signals for the LED; and
a controller board coupled to the antenna and the LED and configured to control the LED in response to the RF control signals, wherein the controller board is disposed in a RF-shielded location.
21 Assignments
0 Petitions
Accused Products
Abstract
An apparatus and system for incorporating an unshielded antenna into an LED fixture are provided, such that the LED fixture can be individually controlled through RF signals, such as those propagated by a home automation system or other RF-based lighting control systems. An LED fixture is provided that includes an antenna that is coupled to an electronic control board of the LED fixture and extends to a region external to the heat sink of the LED fixture. By extending the antenna in this manner, RF signals can be received and transmitted by the control board of the LED fixture with significantly reduced attenuation. In one embodiment, the antenna is routed from the control board to an optical assembly support frame for the LED fixture. The optical assembly support frame can either provide a structure along which to guide the antenna or can comprise the antenna itself.
23 Citations
15 Claims
-
1. A light emitting diode fixture comprising:
-
a heat sink comprising a front face and a cavity region having an opening at the front face of the heat sink and a bottom surface within the heat sink; a light-emitting diode (LED) mounted on the bottom surface within the heat sink; an antenna disposed at least at or near the front face of the heat sink and configured to receive radio-frequency (RF) control signals for the LED; and a controller board coupled to the antenna and the LED and configured to control the LED in response to the RF control signals, wherein the controller board is disposed in a RF-shielded location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A system comprising:
-
a radio-frequency (RF) control signal transmitter configured to provide RF control signals at a selected frequency; and a light-emitting diode (LED) fixture configured to receive the RF control signals, the LED fixture comprising a heat sink comprising a front face and a body, an LED control board disposed within the heat sink body, and an antenna, coupled to the LED control board, and having a portion disposed at or near the front face of the heat sink, wherein the antenna is configured to resonate to the selected frequency, and the LED control board receives the RF control signals via the antenna. - View Dependent Claims (11, 12, 13, 14, 15)
-
Specification