Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Induction-type discharge device load
Patent
1981-11-18
1984-01-24
Chatmon, Jr., Saxfield
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Induction-type discharge device load
313490, 315 39, H05B 4116, H05B 4124
Patent
active
044279256
ABSTRACT:
An electromagnetic discharge apparatus including an electrodeless lamp containing a fill material which emits light when subjected to a high frequency electric field. The lamp envelope is generally cylindrical. Power is coupled to the contents of the lamp by electrodes which encircle each end of the envelope and are spaced apart in the central region of the envelope to provide a capacitive gap between them. An inner coaxial conductor is connected to one of the electrodes and an outer conductor is connected to the other electrode by way of a conductive shielding member which encircles the lamp and the electrodes. A heating arrangement may be provided to maintain the temperature and thus the pressure of the fill material within the envelope constant.
REFERENCES:
patent: 4266162 (1981-05-01), McNeill et al.
patent: 4266166 (1981-05-01), Proud et al.
Fallier, Jr. Charles N.
Proud Joseph M.
Smith Robert K.
Chatmon, Jr. Saxfield
GTE Laboratories Incorporated
Keay David M.
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