Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1974-06-04
1993-08-31
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307492, 307559, 307520, 307522, 333 14, 328171, 328142, G06G 724, H03G 700, H04B 164
Patent
active
052412822
ABSTRACT:
A low power, wide-dynamic-range, signal compressor is suitable for operat from batteries. The compressor input is compatable with most sensors, resistive, capacitive or inductive and it is capable of compressing 150 db of input dynamic range into a 6 bit digital or 40 db analog signal. The output from the compressor is single valued and satisfactory for driving standard telemetry equipment.
REFERENCES:
patent: 3234404 (1966-02-01), Peters
patent: 3361975 (1968-01-01), Rorden et al.
patent: 3509368 (1970-04-01), Pedersen
patent: 3584232 (1971-06-01), Wallace
patent: 3662274 (1972-05-01), Pritchard
patent: 3665215 (1972-05-01), Boronkay
patent: 3757136 (1973-09-01), Hughes
patent: 3769611 (1973-10-01), Scaggs
Bechtel James B.
Heyman John S.
The United States of America as represented by the Secretary of
Tura James V.
Verona Susan E.
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