Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1982-08-11
1984-03-06
Miller, C. D.
Communications: electrical
Audible indication
Percussion-type sound producer
340347NT, H03K 1320
Patent
active
044356978
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), Kuckein
Miller C. D.
Tokyo Shibaura Electric
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