Electrical pulse counters – pulse dividers – or shift registers: c – Systems – Counter controlled counter
Patent
1998-07-28
2000-07-11
Wambach, Margaret R.
Electrical pulse counters, pulse dividers, or shift registers: c
Systems
Counter controlled counter
377 16, H03K 2100
Patent
active
060884215
ABSTRACT:
A method and apparatus for monitoring an event is disclosed. In one embodiment, a ratio counter is provided which includes a first counter having a first count and a second counter having a second count. The method increments the first count of the first counter on an occurrence of an event by a first device and shifts the ratio counter to the right by a predetermined number of bits when the first count reaches a maximum count. The method further takes a ratio between the first count and the second count where the ratio indicates the relative occurrence of the event by the first device and a second device. In another embodiment, the method decrements the second count of the second counter when the first count reaches a maximum count. In yet another embodiment, the method decrements the first count of the first counter and the second count of the second counter when the first count reaches a maximum count.
REFERENCES:
patent: 4304989 (1981-12-01), Vos et al.
patent: 5487096 (1996-01-01), Pearson et al.
patent: 5771267 (1998-06-01), Graef et al.
patent: 5790625 (1998-08-01), Arimilli
Garbus Elliot D.
Rao Ravi S.
Intel Corporation
Wambach Margaret R.
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