Electrical pulse counters – pulse dividers – or shift registers: c – Systems – Counter includes circuit for performing an arithmetic function
Patent
1989-07-11
1991-02-26
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Systems
Counter includes circuit for performing an arithmetic function
377 48, 377 51, 364703, G06F 760
Patent
active
049966995
ABSTRACT:
A frequency divider circuit, especially for use in frequency synthesizers, in which the frequency divider is provided with whole-number division factors, permits intergrator, differentiator and/or phase accumulations to be used to generate the successive values of the division factor which average, over time to allow fractional frequency division.
REFERENCES:
patent: 4234929 (1980-11-01), Riley
patent: 4458329 (1984-07-01), Remy
patent: 4555793 (1985-11-01), Benamy
patent: 4573023 (1986-02-01), Cok et al.
patent: 4694475 (1987-09-01), Mehrgardt
patent: 4870366 (1989-09-01), Pelletier
Dubno Herbert
Heyman John S.
Wandel & Goltermann GmbH & Co.
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