Wave transmission lines and networks – Plural channel systems – Having branched circuits
Reexamination Certificate
2008-09-30
2008-09-30
Lee, Benny (Department: 2817)
Wave transmission lines and networks
Plural channel systems
Having branched circuits
C333S109000
Reexamination Certificate
active
11388562
ABSTRACT:
A dual directional coupler includes a housing, a main conductor, a forward coupled conductor and a reverse coupled conductor. The main conductor, the forward coupled conductor and the reverse coupled conductor are arranged in parallel within the housing such that the main conductor and the forward coupled conductor define a first two section quarter wave directional coupler, and the main conductor and the reverse coupled conductor define a second two section quarter wave directional coupler.
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patent: 6066994 (2000-05-01), Shepherd et al.
patent: 6573807 (2003-06-01), Noe
patent: 6600307 (2003-07-01), Turski et al.
Lee Benny
R&D Microwaves LLC
St. Onge Steward Johnston & Reens LLC
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