Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Uwe Rosenberg0
Konstantinos Beis0
Date of Patent
March 2, 2010
Patent Application Number
10502079
Date Filed
January 23, 2003
Patent Primary Examiner
Patent abstract
A hollow waveguide directional coupler comprises two hollow waveguide sections that are coupled to each other by a plurality of coupling openings formed in a wall extending between the hollow waveguide sections. Two adjacent coupling openings have a distance of 3λg/4. from each other, λg being the wavelength of the nominal center frequency of the operating frequency range of the directional coupler.
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