HIGH-CAPACITY ANALOG-TO-DIGITAL CONVERTER USING DELTA MODULATION FOR SEISMIC INVESTIGATIONS Russian patent published in 1999 - IPC

Abstract RU 2128880 C1

FIELD: automatic control; earthquake recording and seismic investigation equipment. SUBSTANCE: high-resolution converter has subtracting device, comparator, clock-frequency generator, polarity reverser, retrieval and storage device, frequency divider, integrator control device, and controlled integrator. Converter processes currently retrieved signal at optimal speed accurate to minimal quantization step. EFFECT: enlarged dynamic range and improved processing speed of converter. 6 dwg

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RU 2 128 880 C1

Authors

Senin L.N.

Nikitin S.N.

Zakharov I.B.

Dates

1999-04-10Published

1997-05-13Filed