Boots – shoes – and leggings
Patent
1991-06-11
1993-08-03
Harvey, Jack B.
Boots, shoes, and leggings
364484, 343703, H04B 1700
Patent
active
052335372
ABSTRACT:
A very low frequency and low frequency transmitting antenna parameter monring system is used to measure the electric circuit parameters in near real time of very low frequency and low frequency transmitting antenna systems transmitting frequency shift keyed modulation. The primary parameters measured by the system are the antenna feed-point voltage, antenna current, gross resistance, gross reactance and steady-state phase angle between the voltage and current. Four primary sections provide for antenna system sensing by sensors, triggering, analog-to-digital conversion of the sensor outputs and computer processing of the digital data to arrive at the desired antenna parameters. These parameters are essential in evaluating antenna performance and in diagnosing problems with the antenna system.
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Choi Jae H.
Fendelman Harvey
Harvey Jack B.
Keough Thomas Glenn
The United States of America as represented by the Secretary of
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