Non-linear digital-to-analog convertor

Details Non-linear digital-to-analog convertor Non-linear digital-to-analog convertor

1974-10-24

1976-12-21

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

179 15AV, 3401462, H03K 1302

Patent

active

039991814

ABSTRACT:
Non-linear convertor for converting a data item given in digital form into n analog data item, the value of the digital data item being defined by position digits inside a range of values defined by range digit, characterized in that the convertor comprises a stochastic linear coder receiving the position digits and range digits and supplying a first stochastic data item, an adjustable probability divider whose division ratio is determined by the range digits, receiving that first stochastic data item supplying a second stochastic data item and being followed by a flux-former circuit and a low-pass filter giving the analog output data item.

REFERENCES:
patent: 2894254 (1959-07-01), Mork
patent: 3562743 (1971-02-01), Lerouge et al.
patent: 3582941 (1971-06-01), Le Maout et al.
patent: 3612845 (1971-10-01), Lawlor
patent: 3632996 (1972-01-01), Paine et al.
patent: 3752970 (1973-08-01), Aaron et al.
patent: 3754233 (1973-08-01), Sutherland
patent: 3835452 (1974-09-01), Zirphile
patent: 3836908 (1974-09-01), Hegendorfer
patent: 3887911 (1975-06-01), Bell

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