Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Load device temperature-modifying means combined with or...
Patent
1983-10-24
1986-02-11
Lindsay, Robert
Electric lamp and discharge devices: systems
Combined load device or load device temperature modifying...
Load device temperature-modifying means combined with or...
313318, 313331, 315 47, A48B 8800, H01J 1346
Patent
active
045701040
ABSTRACT:
A lamp having a ceramic molding between a cap and a lamp envelope, the current supply conductors passing through the molding between the cap and the envelope. The conductors pass through separate ducts in the molding, one of the conductors includes a fuse accommodated entirely within the duct, and that duct is sealed at an end adjacent the lamp cap by a coherent mass of material such as a base cement. Flashover from a fuse arc to either the other conductor or the lamp cap is prevented.
REFERENCES:
patent: 1934435 (1933-11-01), Lessmann
patent: 2248979 (1941-07-01), Freiderich et al.
patent: 3274426 (1966-09-01), Scoledge et al.
patent: 3767965 (1973-10-01), Collins et al.
patent: 4256989 (1981-03-01), Trutner et al.
Janssen Eduard J. P.
Notelteirs Victor R.
Lindsay Robert
Treacy David R.
U.S. Philips Corporation
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