Interval-expanding timer compensated for drift and nonlinearity

Details Interval-expanding timer compensated for drift and nonlinearity Interval-expanding timer compensated for drift and nonlinearity

1978-12-22

1981-05-12

Strecker, Gerard R.

Registers

Platform operated

Platform actuated traffic counters

235 92TF, 235 92FQ, 328129, H03K 1728

Patent

active

042674360

ABSTRACT:
A plurality of closely spaced, very short time intervals are supplied to a time-voltage converter to be converted to corresponding voltages one after another. These converted voltages are sequentially supplied to different voltage holders. The voltages held by the voltage holders are applied, via a changeover switch, to a common voltage-time converter in a sequential order. The conversion characteristic of the voltage-time converter is so selected as to convert the input voltage to a time interval longer than the original one. A count is taken by a counter of the output from the voltage-time converter, thereby measuring each of the original time intervals.

REFERENCES:
patent: 3229201 (1966-01-01), Curtis et al.
patent: 3668529 (1972-06-01), Meyer
Murthy et al., "On Improved Digital Techniques of Pulse Width Measure", 5/1973, J. Inse Telecommun. Eng. (India), vol. 19, No. 5, pp. 242-245.
Rarity et al., "The Digital Measure of Pulse Width", 1958, Proceedings of The National Electronics Conference, vol. 13, pp. 773-782.

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