Electrical pulse counters – pulse dividers – or shift registers: c – Particular output circuits for counter
Patent
1997-08-19
1999-07-13
Wambach, Margaret R.
Electrical pulse counters, pulse dividers, or shift registers: c
Particular output circuits for counter
377 34, 377 56, H03K 2108
Patent
active
059237180
ABSTRACT:
An asynchronous reading circuit improves reliability of data read from a binary counter. Count data generated by a binary counter 101 according to a counting clock is converted into a gray code by a gray encoder. The count data represented by the gray code is sampled by a sampling circuit according to a timing signal asynchronous with the counting clock. The sampled count data is decoded into binary count data by a gray decoder.
REFERENCES:
patent: 5045854 (1991-09-01), Windmiller
patent: 5754614 (1998-05-01), Wingen
Nagai Takayuki
Takahashi Hideaki
NEC Corporation
Wambach Margaret R.
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