Electrical pulse counters – pulse dividers – or shift registers: c – Systems – Comparing counts
Patent
1983-07-11
1986-08-26
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Systems
Comparing counts
377129, 377114, H03K 2700
Patent
active
046087060
ABSTRACT:
A high-speed programmable timing generator in which a continuously cycling binary count is compared with an input data word. Predetermined bits, starting from the highest-order end of the counter, can be selectively inhibited to effectively vary the cycle period of the counter. The digital word with which the output of the counter is compared can be varied to set the reference phase of the output timing pulse stream. Further, fine delay adjustment of the phase of the output timing pulse stream is effected by a controllable phase-locked loop.
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Chang Yihua E.
Grasso Lawrence J.
Gruodis Algirdas J.
Morgan Carroll E.
Heyman John S.
International Business Machines - Corporation
Ohralik Karl
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