Title:
蛍光ランプ
Document Type and Number:
Japanese Patent JP4059005
Kind Code:
B2
Abstract:
To provide a fluorescent lamp equipped inside with an electric circuit and endowed with an added value without upsizing the outer diameter of the lamp.
When a tube end of the fluorescent lamp 1 is sealed for molding, a shape of the tube nearer to the tube end than a coil 5 is made smaller than a glass tube at a luminous part of phosphors, and a base 10 is elongated so as to cover the above part to enable to have an electric circuit 11 fitted between the base and the tube end, and further, the base 10 is provided with an opening 14 to be enabled to well exert raising of a temperature of the electric circuit and an action by the electric circuit.
COPYRIGHT: (C)2004,JPO
Inventors:
Tokunaga Masuki
Application Number:
JP2002154934A
Publication Date:
March 12, 2008
Filing Date:
May 29, 2002
Export Citation:
Assignee:
Hitachi Lighting Co., Ltd.
International Classes:
H01J5/50; H01J61/36
Domestic Patent References:
| JP4249059A | ||||
| JP48114266U | ||||
| JP50115470U | ||||
| JP354612Z2 | ||||
| JP11345592A | ||||
| JP53155283U | ||||
| JP6178821A | ||||
| JP6031099U | ||||
| JP3077376U | ||||
| JP43024694B1 |
Foreign References:
| WO2001002026A1 | ||||
| WO2002056335A1 | ||||
| WO2002027746A1 |
Attorney, Agent or Firm:
Kiyoshi Tanaka