Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Reexamination Certificate
2005-07-19
2005-07-19
Guharay, Karabi (Department: 2879)
Electric lamp and discharge devices
With gas or vapor
Three or more electrode discharge device
C313S601000, C315S060000
Reexamination Certificate
active
06919686
ABSTRACT:
The discharge lamp of the invention includes a main discharge vessel which is filled with a discharge medium for the main discharge via a pair of opposed main discharge electrodes, and has a first electrode sealing part and a second electrode sealing part for connecting the pair of main discharge electrodes. The advantage of the invention is in a starting electrode arranged such that it does not come into contact with the main discharge space, and an auxiliary light source which includes an auxiliary discharge vessel located adjacent on the side of one of the electrode sealing parts and which is not made integral with the electrode sealing parts. The auxiliary light source is filled with a discharge medium, and has a first outer electrode on the outside of the auxiliary discharge vessel.
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Japanese Utility Midel SHO 37-8045 w/English Abstract.
Okamoto Masashi
Yamashita Takashi
Safran David S.
Ushiodenki Kabushiki Kaisha
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