Electrical pulse counters – pulse dividers – or shift registers: c – Systems – Comparing counts
Patent
1986-04-23
1988-07-05
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Systems
Comparing counts
377 52, 377 72, H03K 2140, G11C 700
Patent
active
047560134
ABSTRACT:
A programmable counter/timer is responsive to signals on a data line for producing signals on one or more output lines and includes a counter connected to the data line, a comparator connected to said counter for producing a control signal when said counter reaches a stored preselected value, and a qualification unit connected to the comparator, the qualification unit having a register for storing a logic state. The qualification unit is responsive to the control signal and the stored logic state for generating a signal on selected output lines when the counter reaches the predetermined stored value.
REFERENCES:
patent: 4284953 (1981-08-01), Hepworth et al.
patent: 4284979 (1981-08-01), Flanders et al.
patent: 4420814 (1983-12-01), Arikawa et al.
patent: 4443765 (1984-04-01), Findeisen et al.
patent: 4495628 (1985-01-01), Zasio
patent: 4517684 (1985-05-01), Fennel
Cannon James J.
Heyman John S.
U.S. Philips Corporation
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