US Patent 7671700 Hollow waveguide directional coupler
Patent 7671700 was granted and assigned to Ericsson on March, 2010 by the United States Patent and Trademark Office.
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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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Patent Inventor Names
Konstantinos Beis0
Uwe Rosenberg0
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US Patent 07671700 Hollow waveguide directional coupler US Patent 7671700 Hollow waveguide directional coupler
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Patent Number
07671700
Patent Number
7671700
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Official Website
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US Patent 07671700 Hollow waveguide directional coupler
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Is a
Current assignee
Patent jurisdiction
Patent number
07671700
Date of patent
March 2, 2010
Patent application number
10502079
Date Filed
January 23, 2003
Patent primary examiner
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