Analog-to-digital encoder

Details Analog-to-digital encoder Analog-to-digital encoder

1975-10-20

1977-11-08

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

H03K 13175

Patent

active

040577953

ABSTRACT:
This encoder comprises a series of resistors for determining the reference voltages, and comparators having at least one pair of outputs A and B. First inputs of said comparators are connected respectively to said resistors and second inputs of said comparators are connected to the voltage to be encoded through an impedance adaptor stage. The outputs A and B of the pairs of outputs of each comparator are respectively connected to the outputs B and A of the following comparator and constitute first and second output groups. The first and second groups are connected respectively to the inputs of a comparator constituting a bit of smallest weight of the encoder and the outputs A and B of the other pairs of outputs are connected in a similar manner to comparators constituting bits of greatest weight.

REFERENCES:
patent: 3089134 (1963-05-01), Robinson
patent: 3241135 (1966-03-01), Kuflik
patent: 3425054 (1969-01-01), Cowan
patent: 3573798 (1971-04-01), Reiling
patent: 3585631 (1971-06-01), McCown
patent: 3644924 (1972-02-01), Kitaguchi
patent: 3721975 (1973-03-01), Brinkman
patent: 3806915 (1974-04-01), Higgins
patent: 3935569 (1976-01-01), Marcel
Aldrich, "IBM Technical Disclosure Bulletin" vol. 9, No. 8 Jan. 1967 pp. 1054-1056.

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