Waveguide filter (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Waveguide filter" in English language version.

refsWebsite

Global rank English rank

2patents.google.com

1,182^nd place

725^th place

504^th place

1,305^th place

google.co.uk

Gibilisco & Sclater, page 913

patents.google.com

Mason, Warren P., "Wave filter", U.S. patent 1,781,469, filed: 25 June 1927, issued: 11 November 1930.
- Pierce, J. R., "Guided wave frequency range transducer", U.S. patent 2,626,990