Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope
Patent
1991-07-22
1992-07-07
Yusko, Donald J.
Electric lamp and discharge devices
With temperature modifier
Double wall, jacket or casing for envelope
313594, 313607, 315 73, H01J 188, H01J 736, H01J 6154
Patent
active
051285827
ABSTRACT:
The invention relates to a high-pressure sodium discharge lamp in which the elongate discharge vessel is provided with an external ignition antenna consisting of a thin spiralized wire. According to the invention, an end of the antenna is fixed directly to a support member without a mandril at a location axially spaced from said discharge vessel in the extended direction of the discharge vessel and mounted elastically and with pretension over substantially its entire length.
REFERENCES:
patent: 4445073 (1984-04-01), Wyner et al.
patent: 4498030 (1985-02-01), Govaerts et al.
Jacobs Cornelius A. J.
Luyckx Felix C. J. L.
van der Kruijs Franciscus N. G. R.
Patel Nimeshkumar D.
U.S. Philips Corporation
Wieghaus Brian J.
Yusko Donald J.
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