Digital system and method for generating analog control signals

Details Digital system and method for generating analog control signals Digital system and method for generating analog control signals

1975-12-12

1977-12-20

Sloyan, Thomas J.

Boots, shoes, and leggings

328 14, 340347DA, G06G 728

Patent

active

040644235

ABSTRACT:
Digital system and method for generating analog control signals wherein a plurality of straight line segments are fitted to the desired wave form, and signals representative of the changes in amplitude and time for each segment are stored in a digital memory. The amplitude and time signals are processed to provide digital signals corresponding to a plurality of points disposed generally along the line segments, and these digital signals are converted to analog form to provide an output signal which increases and/or decreases in a plurality of incremental steps at a rate corresponding to the slopes of the line segments.

REFERENCES:
patent: 2886243 (1959-05-01), Sprague et al.
patent: 3529138 (1970-09-01), Andre et al.
patent: 3557347 (1971-01-01), Robertson
patent: 3564535 (1971-02-01), Ward et al.
patent: 3729625 (1973-04-01), Inoue
patent: 3813528 (1974-05-01), Blanding
patent: 3939459 (1976-02-01), Hoopes
Analog Devices, Inc. "Analog-Digital Conversion Handbook," 6/72, pp. I-93 to I-102.
Analog Devices, Inc., Analog-Digital Conversion Handbook, 6/1972, pp. I-8,9,42,43,68-71.

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