Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Reexamination Certificate
2005-05-10
2005-05-10
Reichard, Dean A. (Department: 2831)
Electric lamp or space discharge component or device manufacturi
Process
With assembly or disassembly
C445S022000, C445S023000, C445S024000, C445S025000, C313S490000, C313S491000
Reexamination Certificate
active
06890235
ABSTRACT:
A method of manufacturing a multi-tube fluorescent discharge lamp which construct multiple glass tubes of different caliber in coaxial structure, the both sides of the inner most tube are connected to a cathode respectively, by isolating, perforating and blocking the discharge path, forming a successive discharge path, and coating phosphor on surface of the discharge tubes. The invention can then have more fluorescent area than a conventional fluorescent lamp of the similar size and higher lumen as well as power transfer factor. Compared with the power consumption of a conventional fluorescent discharge lamp, the invention therefore has higher luminous flux.
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Ha Nguyen T.
Reichard Dean A.
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