Timing generating device

Details Timing generating device Timing generating device

1986-02-13

1987-04-14

Roskoski, Bernard

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

G04F 800

Patent

active

046574069

ABSTRACT:
A timing generating device, in which a period generator generates pulses the average period of which is equal to a preset period, at integral intervals of a reference clock period T, and provides fractional period data which indicates the phase difference between the above pulses and a pulse of the preset period for each of them. From a coarse delay circuit is yielded a pulse delayed behind the former pulse according to coarse delay data in a preset delay amount, which indicates a value greater than the reference clock period T. Fractional delay data in the preset delay amount which indicates a value smaller than the reference clock period, and the fractional period data are added together. By the added output the delayed pulses from the coarse delay circuit is delayed in a fine delay section by a value corresponding to the added value, thus producing a timing pulse.

REFERENCES:
patent: 4165490 (1979-08-01), Howe, Jr. et al.
patent: 4516861 (1985-05-01), Frew et al.

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