Virtual fixture for reducing electromagnetic interaction between

Details Virtual fixture for reducing electromagnetic interaction between Virtual fixture for reducing electromagnetic interaction between

1994-03-31

1995-10-24

Pascal, Robert J.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Discharge device load

315248, 315267, 315276, 313491, 313493, H01J 744

Patent

active

054612845

ABSTRACT:
An electrodeless lamp (e.g., an electrodeless fluorescent lamp) includes a dielectric housing shaped to conform to a portion of a lamp envelope, which housed portion is opposite to a portion through which light is emitted. The dielectric housing includes a continuous conductor, i.e., a shorted turn, situated between the dielectric housing and the lamp envelope which conforms to at least a portion of the dielectric housing. The configuration of the shorted turn, in terms of the location and amount of surface area occupied thereby, is optimized to minimize interaction between the excitation coil and any metallic fixture and to avoid interfering with lamp starting and light output.

REFERENCES:
patent: 4001631 (1977-01-01), McNeill et al.
patent: 4005330 (1977-01-01), Glascock, Jr. et al.
patent: 4070602 (1978-01-01), Ferro et al.
patent: 4187445 (1980-02-01), Houston
patent: 4187447 (1980-02-01), Stout et al.
patent: 4910439 (1990-03-01), El-Hamamsy et al.
patent: 4940923 (1990-07-01), Kroontje et al.
patent: 5006763 (1991-04-01), Anderson
patent: 5325018 (1994-06-01), El-Hamamsy

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