1,233,841
3
progressively varying the capacity of said circuit to put said circuit into a condition of resonance with the received oscillations at intervals of a frequency less than the frequency of the received oscillations, an a detector associated with said circuit and responsive to the frequency of said intervals.
In witness whereof I have hereunto signed my name in the presence of two witnesses this 11th day of May, 1914.
Elmer E. Butcher
- Witnesses:
- Walter S. Jones,
- Wm. M. Earl.
