Patent ID: 8058807
Filing Date: 2011-11-15
Classification: H05B

Abstract:
1. A fluorescent lamp, comprising: a ballast; a holder mounted on the ballast; a power regulating switch mounted in the holder and connected with the ballast; a fluorescent tube detachably mounted on the holder and contacting the control switch to actuate the control switch to regulate an output power of the ballast; wherein the power regulating switch includes: a housing secured in the holder; a base received in the holder and combined with the housing; plurality of inductors mounted in the base; a plurality of first contacts each mounted in the base; a plurality of second contacts each mounted in the base and each electrically connected with at least one of the inductors; a plurality of conducting bridges each movable to touch and conduct a respective one of the first contacts and a respective one of the second contacts to form a circuit; a plurality of push rods each movably mounted on the housing and each abutting a respective one of the conducting bridges to move the respective conducting bridge to conduct the respective first contact and the respective second contact; a plurality of elastic members each biased on a respective one of the conducting bridges to push the respective conducting bridge to detach from the respective first contact and the respective second contact.