Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Reexamination Certificate
2011-08-02
2011-08-02
Nguyen, Long (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By amplitude
C327S064000, C327S065000, C327S077000, C327S091000
Reexamination Certificate
active
07990183
ABSTRACT:
One of differential signals is inputted to a first input terminal. The other of the differential signals is inputted to a second input terminal. A first sample hold circuit samples the signal inputted to the first input terminal and hold it thereafter. A second sample hold circuit samples the signal inputted to the second input terminal and holds it thereafter. A comparison unit compares a signal corresponding to a difference between respective output signals from the first and the second sample hold circuits, with a predetermined threshold value. A latch circuit latches an output from the comparison unit. Sample timings of the first and the second sample hold circuits and a latch timing of the latch circuit can be adjusted independently.
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patent: 7772892 (2010-08-01), Kojima
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patent: WO 2005/081004 (2005-01-01), None
Advantest Corporation
Martine & Penilla & Gencarella LLP
Nguyen Long
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