High intensity discharge lamp including arc extinguishing means

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Automatic shunt circuit closing or cut-out switch

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Details

315 75, 200263, 200268, H01J 744, H01J 1734, H01J 2316, H01J 2996, H01K 162

Patent

active

043885578

ABSTRACT:
A high intensity discharge device includes a reactive element which will oxidize and grow dimensionally to open the lamp circuitry in the event oxygen leaks into the outer envelope of the lamp.

REFERENCES:
patent: 3965387 (1976-06-01), Stuart et al.
patent: 4001634 (1977-01-01), Corbley et al.
patent: 4090105 (1978-05-01), Koo
patent: 4195251 (1980-03-01), Bamberg
patent: 4208614 (1980-06-01), Strauss et al.
patent: 4233542 (1980-11-01), Oostvogels et al.

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