Stabilization of frequency
United States Patent 2245627

Inventors:
Varian, Russell H.
Publication Date:
06/17/1941
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Assignee:
Univ, Leland Stanford Junior
Primary Class:
331/2
Other Classes:
313/2.100, 333/227, 331/9, 315/13.100, 315/5.450, 331/6, 315/30, 315/5.150
International Classes:
H01J25/10; H01J25/12; H03L7/04; H01J25/00; H03L7/02