Telecommunications – Transmitter and receiver at separate stations – Frequency or phase modulation
Reexamination Certificate
2005-08-09
2005-08-09
Urban, Edward F. (Department: 2685)
Telecommunications
Transmitter and receiver at separate stations
Frequency or phase modulation
C455S107000, C455S127100, C342S389000
Reexamination Certificate
active
06928265
ABSTRACT:
A frequency-hopping intrapulse frequency modulation Loran-C navigation pulse technique, preferably using a flat-topped pulse shape and a novel 16-ary phase hopping scheme, and a novel improved high-power solid-state switch for dynamic antenna modulation tuning.
REFERENCES:
patent: 4800391 (1989-01-01), Enge
patent: 4821038 (1989-04-01), Enge
patent: 6452547 (2002-09-01), Johannessen
Jackson Blane J.
Megapulse Inc.
Rines and Rines
Urban Edward F.
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