Frequency stabilizing system
United States Patent 2475074

Inventors:
Bradley, William E.
Tompkins, Howard E.
Publication Date:
07/05/1949
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Assignee:
PHILCO CORP
Primary Class:
331/9
Other Classes:
331/4, 315/5.210
International Classes:
H03L7/04; H03L7/02
US Patent References:
2358545Television system
RE22587
2374810Electron discharge apparatus
2375223Dielectric guide signaling
2404568Automatic frequency control