Fluorescent lamp device
AssigneeTokyo Shibaura Denki Kabushiki Kaisha
InventorNobuo Yokoyama
Life of this patent
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Abstract
A fluorescent lamp device formed of an outer tube containing a fluorescent lamp therein, a connection tube connected to one end of the outer tube, a cap containing a glow starter and a condenser therein connected to the other end of the outer tube, and a base member connected to the connection tube. The base member contains a ballast member mainly formed of a thermistor and a thermal adjustment member having an integrally formed contacting member for making electrical connection with a base pin of the fluorescent lamp. The thermal adjustment member and the thermistor are in direct electrical and mechanical engagement such that the thermal adjustment member conducts heat from the thermistor to the thermal adjustment member.
Claims9
A fluorescent lamp device comprising:
- a cylindrical outer tube;
- a fluorescent lamp having a base at each end thereof disposed in said outer tube, each base having a pair of pins protruding therefrom for making connection thereto;
- a cylindrical connection tube connected to one end of said outer tube;
- a cap containing a glow starter and a condenser, said cap fixed to the other end of said outer tube;
- a base member fixed to said connection tube;
- and
- a ballast member comprising a thermistor, a conductive plate, a thermal adjustment member and a coil spring disposed in said base member.
Dependencies are inferred from the claim text.