Elastically oscillating oscillator
United States Patent 2161980

Inventors:
Wilhelm, Runge
Otto, Roosenstein Hans
Publication Date:
06/13/1939
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Assignee:
TELEFUNKEN GMBH
Primary Class:
310/348
Other Classes:
968/824, 310/369, 116/DIG.018
International Classes:
G04F5/06; H03H9/05; H03H9/09; G04F5/00