Analog-digital converter

Communications: electrical – Audible indication – Percussion-type sound producer

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Details

H03M 160

Patent

active

047542578

ABSTRACT:
An analog-digital converter designed to provide digital data by converting analog input voltage signals into pulse signals by a voltage-frequency converter, and counting said pulse signals by a counter, the improvement being that the A-D converter comprises a sequence controller which selectively supplies low-level or high-level input voltage signals to the A-D converter before analog input signals being measured are received therein.

REFERENCES:
patent: 3633202 (1972-01-01), Kuckeim
patent: 3668690 (1972-06-01), Ormond
patent: 4063236 (1977-12-01), Amemiya
patent: 4081800 (1978-03-01), Amemiya
patent: 4110747 (1978-08-01), LaBrie

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