Micro-wave tube with mechanical frequency tuning

Details Micro-wave tube with mechanical frequency tuning Micro-wave tube with mechanical frequency tuning

2003-06-25

2008-11-25

Lee, Benny (Department: 2817)

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

C315S005530

Reexamination Certificate

active

07456577

ABSTRACT:
This invention relates to a microwave tube (3) for generation of an electromagnetic wave with frequency F, the tube comprises mechanical means for varying the frequency F composed of a set of rings (A, B, C, D) defining a periodic structure inside the tube and mechanical means (4, 5, 2,G) for displacing rings with respect to each other while maintaining a periodicity for periodic structure during displacement of the rings.

REFERENCES:
patent: 2658393 (1953-11-01), Woods
patent: 2853647 (1958-09-01), Litton
patent: 2945156 (1960-07-01), Arnold et al.
patent: 3787748 (1974-01-01), Liepelt
patent: 4737738 (1988-04-01), Perring
International Search Report, PCT/FR03/01960, date of mailing Apr. 15, 2005.

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