Electric lamp and discharge devices – With gas or vapor – Having electrode exterior to envelope
Reexamination Certificate
2005-01-05
2009-11-17
Roy, Sikha (Department: 2879)
Electric lamp and discharge devices
With gas or vapor
Having electrode exterior to envelope
C313S234000, C313S238000, C313S637000, C313S485000, C362S225000, C362S560000
Reexamination Certificate
active
07619361
ABSTRACT:
A discharge lamp device is provided that includes a light source device including a reflective surface. In the light source, noble gas not including mercury is excited to provide stable light emission and ozone or the like is prevented from being generated. This discharge lamp device includes airtight container (10) in which both end sections of a glass bulb are sealed. Airtight container (10) is filled with a discharge medium mainly including noble gas. One end section of airtight container (10) includes first electrode (11). Airtight container (10) is externally attached to insulating holder (20) having a square plate-like shape that includes penetration hole(s) (21) at one or a plurality of position(s). Holder (20) is fitted to second electrode (12) shaped to be a U-like groove so that a fixed interval between airtight container (10) and second electrode (12) is maintained. Three side faces (22) of holder (20) include protrusion (23) and second electrode (12) includes fitting hole (15) fitted with protrusion (23). By fitting protrusion (23) with fitting hole (15), holder (20) is prevented from disengaged from second electrode (12).
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Machine English translation of JP 5190150 to Hoshizaki.
Chinese Office Action issued in Chinese Patent Application No. CN 2005800024768 dated Mar. 6, 2009.
Dejima Hisashi
Furukawa Shuuji
Hirohashi Masaki
Matsubayashi Yoko
Shigeta Teruaki
McDermott Will & Emery LLP
Panasonic Corporation
Roy Sikha
LandOfFree
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