Levy return
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Bibliography
Lucien Lévy
Paris March 11, 1892 in Paris May 24, 1965
Documents
1919
27 09 1919
US1457069
Receivin system for electric vaves (Patent May 29, 1923)
1924
12 12 1924
FR603612 Perfectionnements aux récepteurs du genre superhétérodynes
(FR31756-1927)
(1)
1927
03 10 1927
US
1893779
Superheterodyne receiving system ( In France October 13,1926)
1928
29 10 1928
US
1899622
Frequency changer
1966
in memoriam Lucien LÉVY (1892-1965) (
Bulletin
de l’Ecole Supérieure de Physique et de Chimie Industrielle de Paris, n° 48 juin 1966, p. 28)
note
1) Pdf format documents from the site "http://www.freepatentsonline.com/"