Coded data generation or conversion – Analog to or from digital conversion – With particular solid state devices
Patent
1988-08-24
1990-10-16
Shoop, Jr., William M.
Coded data generation or conversion
Analog to or from digital conversion
With particular solid state devices
341171, H03M 112
Patent
active
049638718
ABSTRACT:
An analog-to-digital converter using superconducting material. The converter includes a converter portion having a plurality of series-connected superconducting current channels for which different values of a certain critical condition are set, the values differing from one another by a fixed amount. The converter also includes a detector portion including means for detecting the interruption of the flow of a superconducting current in each of said superconducting current channels, the analog-to-digital converter outputting a digital signal indicative of the associated change in a physical quantity related to said critical condition and which is applied as an input to the converter portion.
REFERENCES:
patent: 3419712 (1968-12-01), Green
patent: 3458735 (1969-07-01), Fiske
Hoff Marc S.
Shoop Jr. William M.
Sumitomo Electric Industries Ltd.
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