Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Reexamination Certificate
2005-12-20
2005-12-20
Lam, Tuan T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By amplitude
C327S065000, C327S070000
Reexamination Certificate
active
06977532
ABSTRACT:
The differential comparator circuit for receiving an input voltage within a pre-determined range, amplifying the input voltage, and outputting an output voltage is provided. The circuit includes: a first differential comparator for receiving the input voltage within a first range portion of the range, amplifying the input voltage within the first range portion, and outputting the output voltage, a detecting circuit electrically connected to the first differential comparator, wherein a trigger signal is produced by the detecting circuit when the first differential comparator is shut down and is detected by the detecting circuit, and a second differential comparator electrically connected to the detecting circuit for receiving the input voltage within a second range portion of the range, amplifying the input voltage within the second range portion, and outputting the output voltage in response to the trigger signal.
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patent: 5396131 (1995-03-01), Miki et al.
patent: 5804970 (1998-09-01), Villa et al.
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patent: 6486710 (2002-11-01), Simoni
patent: 6714074 (2004-03-01), Lee
Ta Chiu Jui
Wang Hsi-Yuan
Lam Tuan T.
Nguyen Hiep
Volpe and Koenig P.C.
Winbond Electronics Corporation
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