Adjustable length center conductor for termination fixtures for

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Distributed parameter resonator-type magnetron

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313182, 315248, 315267, 315344, 333 33, H01J 746, H01J 1980

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active

040016315

ABSTRACT:
A light source includes a source of high frequency power, an electrodelsss lamp and a termination fixture for coupling power to the lamp, the fixture having an outer conductor and an inner conductor whose length is adjustable for providing dynamic matching of the impedance of the lamp during the operating mode to the output impedance of the source. Variations in the power level from the source, such as is desirable in providing lamp brightness selectivity, vary both the real and imaginary components of the lamp impedance, and corresponding adjustments of the inner conductor length provide a tuning technique to compensate for these variations.

REFERENCES:
patent: 3787705 (1974-01-01), Bolin et al.
patent: 3873884 (1975-03-01), Gabriel
patent: 3943401 (1976-03-01), Haugsjaa et al.
patent: 3943402 (1976-03-01), Haugsjaa et al.
patent: 3943403 (1976-03-01), Haugsjaa et al.

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