H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 37/02 (2006.01) G09G 5/00 (2006.01) H05B 33/08 (2006.01) A47C 7/72 (2006.01)
Patent
CA 2660726
An economical system and method for extracting amplitude and frequency information from a modulated AC signal are provided. In one embodiment, the invention includes a circuitry implementing op amps, a dual diode, a filter, and a comparator to receive and manipulate the modulated AC signal. The dual diode receives and splits the AC signal into two separate paths, including a baseline path and a filtering path. The AC signal passing through the baseline path remains substantially unchanged, and the AC signal passing through the filtering path passes through a low-pass filter. The signal is then sent through a comparator for comparing amplitudes of the AC signal from the two paths, and the comparator output is received by a microprocessor for controlling a display that generates a visual indicia responsive to the comparator output.
Benson Marcellus Rambo
Hornsby Ashley B.
Hornsby James Russell
Keefe James Augustus III
Mcgowan Joseph Lee
Cepia Llc
Riches Mckenzie & Herbert Llp
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