Digital to analog and analog to digital converters using CCD ram

Communications: electrical – Audible indication – Percussion-type sound producer

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Details

340347AD, 307228, 364858, H03K 1302

Patent

active

041480163

ABSTRACT:
The invention relates to ramp generators by which it is possible to obtain an electrical voltage which represents a ramp of a required form in dependence upon a given parameter. The invention comprises using a charge transfer device in which the charge transferred is measured in dependence upon a parameter associated with the weighting of the electrodes of the device. This weighting is fixed according to the required form of the ramp.

REFERENCES:
patent: 3281828 (1966-10-01), Kaneko
patent: 3313922 (1967-04-01), Magnin
patent: 3408595 (1968-10-01), Hillman
patent: 3419784 (1968-12-01), Winn
patent: 3573802 (1971-04-01), Kawashima
patent: 3597693 (1971-08-01), McNeilly
patent: 3750142 (1973-07-01), Barnes
patent: 3819958 (1974-06-01), Gosney
patent: 3942035 (1976-03-01), Buss

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