Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Patent
1992-09-29
1994-12-20
Wolfe, Willis R.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By amplitude
H03K 524
Patent
active
053748557
ABSTRACT:
An apparatus for detecting the coincidence of two input signals comprises a first unit for deciding elevation between two input signals, a second unit for connecting a low level signal selected from the input signals to one output path for the low level signal and connecting a high level signal selected from the input signals to another output path for the high level signal as determined by the decision output, a third unit for producing a tolerance level for deciding one input signal level is coincident with another input signal level, a fourth unit for adding the low level signal form the output path to the tolerance level, and a fifth unit for comparing the adding output with the high level signal from the output path, and deciding one input signal level is coincident with another input signal level if a level of the addition output is higher than a level of the high level signal.
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Fujitsu Limited
Wolfe Willis R.
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