Wave transmission lines and networks – Plural channel systems – Having branched circuits
Reexamination Certificate
2005-11-09
2008-08-05
Pascal, Robert J. (Department: 2817)
Wave transmission lines and networks
Plural channel systems
Having branched circuits
C333S135000, C333S137000, C333S02100R, C333S02100R
Reexamination Certificate
active
07408427
ABSTRACT:
A method and apparatus forming an efficient and compact waveguide feed with all components for processing signals in multi-frequency band antenna feeds with single/dual linear/circular polarizations with/without tracking. The layout can be realized in a split block configuration using any number of fabrication methods, such as brazing, electroforming, and machining and is most effective when it is realized in a split-block construction, in which the waveguide components are formed in the recesses split about the zero current line. This layout results in a very compact feed, which has excellent electrical characteristics, is mechanically robust, eliminates flange connections between components, and is very cost effective.
REFERENCES:
patent: 4176330 (1979-11-01), DiTullio et al.
patent: 4228410 (1980-10-01), Goudey et al.
patent: 6661309 (2003-12-01), Chen et al.
patent: 6700548 (2004-03-01), Chen et al.
patent: 6847270 (2005-01-01), Yoneda et al.
Product Description Literature, Victory Microwave Corporation, 2 pages, accessed at www.vicmic.com.tw/mic—product/sat/ka—band—dual.pdfon Nov, 8, 2005.
Lee-Yow Clency
Scupin Jonathan Raymond
Venezia Philip Elwood
Custom Microwave, Inc.
Glenn Kimberly E
Martin Rick
Pascal Robert J.
Patent Law Offices of Rick Martin P.C.
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