Amalgam heating system for solenoidal electric field lamps

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Induction-type discharge device load

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313490, 313547, 313550, 315 39, H05B 4116, H05B 4124

Patent

active

044370415

ABSTRACT:
To provide mercury vapor control in a compact, solenoidal electric field (SEF) lamp there is provided a means for controllably heating a length of conductive material disposed within the lamp envelope so as to thereby heat an amalgam patch on the material. In this way, mercury vapor pressure is controlled within the lamp, not only during lamp operation but also under lamp starting conditions.

REFERENCES:
patent: 1698691 (1929-01-01), Buttolph
patent: 1861620 (1932-06-01), Buttolph
patent: 2027519 (1936-01-01), Davis et al.
patent: 3336502 (1967-08-01), Gilliatt
patent: 3851214 (1974-11-01), Young
patent: 3859555 (1975-01-01), Latassa et al.
patent: 4262231 (1981-04-01), Anderson et al.

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