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Beschreibung
BeschreibungColpitts Osz Patent Fig2.png
Deutsch: Colpitts Oszillator Patentschrift Fig. 2
Datum
Quelle
US Patent 1624537
Urheber
E. H. Colpitts
Lizenz
Public domainPublic domainfalsefalse
The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)
The original patent contains no such notice, so its contents are in the public domain.
Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.