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2591940
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Information
Patent Grant
2591940
References
Source
Patent Number
2,591,940
Date Filed
Not available
Date Issued
Tuesday, April 8, 1952
72 years ago
CPC
H03K4/18 - using a single tube exhibiting negative resistance between two of its electrodes
H03B5/34 - active element in amplifier being vacuum tube
H03K3/04 - by the use, as active elements, of vacuum tubes only, with positive feedback
H03K3/06 - using at least two tubes so coupled that the input of one is derived from the output of another
US Classifications
331 - Oscillators
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