Electrical pulse counters – pulse dividers – or shift registers: c – Systems – Comparing counts
Patent
1988-01-13
1989-02-14
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Systems
Comparing counts
377 55, 377 56, H03K 302, H03K 2136
Patent
active
048051993
ABSTRACT:
A pulse generating circuit which, when a counting value of a counter and a value previously set at a register are coincident with each other, converts an output into the preset level to thereby generate each elementary pulse, and is provided with a register buffer for storing therein a value for defining the time, when the level of the pulse output is reconverted so that when the level of the pulse signal is converted, the stored value of the register buffer is set in the register through no software to thereby eliminate the influence on software processing with respect to the elemental pulse width, and is provided with a counter buffer for storing therein a counting start value to be set at the counter in addition to the above-mentioned construction so that the value is constructed to be desirably changeable to thereby enable the counting start value of the counter to be changeable each time the overflow occurs, thus enabling the cycle duration of the pulse signal to be changed with ease.
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patent: 4756013 (1988-07-01), Van Veldhuizen
Duong Tai V.
Heyman John S.
Mitsubishi Denki & Kabushiki Kaisha
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