Frequency divider of pulses using ring-counters

Details Frequency divider of pulses using ring-counters Frequency divider of pulses using ring-counters

1987-12-24

1989-09-12

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Systems

Pulse multiplication or division

377 49, 377 56, 377 39, 307265, H03K 2110, H03K 3017

Patent

active

048667404

ABSTRACT:
A frequency divider for dividing input pulses by a predetermined number is formed of an input means for receiving input pulses, a plural number of counters, each having a series connection of stages through which a count signal is respectively shifted in response to the input pulses. The numbers of series stages being selected so that they do not have any common divisor and have a minimum common multiple larger than the predetermined number pulse one. The frequency divider also includes a detecting means for detecting common occurrence of said count signals at selected stages of respective counters, and an output means for producing an output pulse in response to the detection by the detecting means.

REFERENCES:
patent: 3609311 (1971-09-01), Wayne
patent: 3697879 (1972-10-01), Holliday
patent: 3745315 (1973-07-01), Brendzel
patent: 3958182 (1976-05-01), Sauthier
patent: 3980960 (1976-09-01), Hutchinson
patent: 4330751 (1981-05-01), Swain
patent: 4493095 (1985-01-01), Yazawa
patent: 4596027 (1986-06-01), Bernardson

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