07750763 is referenced by 145 patents and cites 9 patents.

An improved 90° waveguide bend has the following features: the waveguide bend has two waveguide connectors located perpendicularly to each other, the waveguide connectors have a square internal cross section having an edge length (a), between the two waveguide connectors there is provided an angular portion producing the 90° change in direction, the angular portion has externally to the 90° change in direction a chamfer as a delimiting wall for the waveguide bend, the waveguide channel being outwardly delimited by the chamfer, and the chamfer has in the plane of curvature a length corresponding to the edge length (a) of the waveguide connectors which are square in cross section, ±less than 0.5%.

Title
Waveguide bend having a square shape cross-section
Application Number
11/878040
Publication Number
7750763 (B2)
Application Date
July 20, 2007
Publication Date
July 6, 2010
Inventor
Krzysztof Kaczmarski
Rosenheim
DE
Werner Blaier
Kolbermoor
DE
Peter Praβmayer
Groβkarolinenfeld
DE
Agent
Nixon & Vanderhye P C
Assignee
Kathrein Werke KG
DE
IPC
H01P 1/02
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