Variable cut off attenuator for rectangular wave-guides

Details Variable cut off attenuator for rectangular wave-guides Variable cut off attenuator for rectangular wave-guides

2005-08-30

2005-08-30

Jones, Stephen E. (Department: 2817)

Wave transmission lines and networks

Attenuators

C333S248000

Reexamination Certificate

active

06937110

ABSTRACT:
The attenuator includes two variable-section components (13, 15) for the passage, in conditions of perfect adaptation, from a first wave-guide in the P band to a second wave-guide in the X band and vice versa. An air-filled zone (5V), the length of which can be varied in function of the desired attenuation, is situated between the two variable-section components.

REFERENCES:
patent: 2197123 (1940-04-01), King
patent: 2407267 (1946-09-01), Ginzton
patent: 2411553 (1946-11-01), Ramo
patent: 2427098 (1947-09-01), Keizer
patent: 2557110 (1951-06-01), Jaynes
patent: 2659870 (1953-11-01), Laemmel
patent: 2666183 (1954-01-01), Ocnaschek
patent: 2672591 (1954-03-01), Wallauschek
patent: 3792385 (1974-02-01), Napoli et al.

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