Title:
フィラメントランプ
Document Type and Number:
Japanese Patent JP5315833
Kind Code:
B2
Abstract:
A filament lamp is provided. The filament lamp includes: a long light emitting section including a plurality of filaments aligned with one another in an axial direction of the light emitting section, wherein electric power is independently supplied to each of the filaments; a sealing section that seals the light emitting section, including: a first sealing section provided at one end of the light emitting section; and a second sealing section provided at the other end of the light emitting section; a plurality of metal foils embedded in the sealing section; a plurality of external leads each connected to a corresponding one of the metal foils and extending from the sealing section to the outside; and a plurality of glass pipes each provided on the sealing section so as to cover a corresponding one of the external leads.
Inventors:
Akinobu Nakajima
Shinji Taniguchi
Shinji Taniguchi
Application Number:
JP2008193234A
Publication Date:
October 16, 2013
Filing Date:
July 28, 2008
Export Citation:
Assignee:
Ushio, Inc.
International Classes:
H01K1/38; H05B3/44; H01K9/08
Domestic Patent References:
| JP2008053035A | ||||
| JP10106511A | ||||
| JP57119451U | ||||
| JP9092214A | ||||
| JP59066048A | ||||
| JP62067446U | ||||
| JP2004071528A |
Foreign References:
| FR1489101B1 |
Attorney, Agent or Firm:
Yoshio Hasegawa