Patent ID: 8981648
Filing Date: 2015-03-17
Classification: H05B,Y02B,Y10T

Abstract:
1. A lamp assembly comprising: a lamp base having a compartment; a fluorescent lamp source mounted to the lamp base; an incandescent lamp source mounted to the lamp base and disposed adjacent to the fluorescent lamp; an envelope forming a cavity around at least the fluorescent and incandescent lamp sources; a power control module received in the lamp base compartment and operatively connected to the fluorescent and incandescent lamp sources; a thermal sensor member disposed in the envelope at a location separated from the lamp base compartment by a shield and adjacent a cathode of the fluorescent lamp source, and operatively communicating with the power control module for monitoring a temperature of the fluorescent lamp at the cathode whereby the power control module determines whether to terminate power supplied to the incandescent lamp source; and the shield extending between the thermal sensor and at least a portion of the lamp base compartment containing the power control module.