Miscellaneous active electrical nonlinear devices – circuits – and – Specific input to output function – By integrating
Patent
1997-10-10
2000-03-14
Wells, Kenneth B.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific input to output function
By integrating
327 94, 327100, 327132, G06G 764
Patent
active
060378247
ABSTRACT:
In a signal input circuit, an input signal integrating circuit integrates an input signal in only a predetermined integration period. A reference voltage integrating circuit integrates a reference voltage in only the predetermined integration period. A differential amplifier circuit amplifies a difference between an output signal of the input signal integrating circuit and an output signal of the reference voltage integrating circuit. The input signal integrating circuit may be a charge/discharge type integrating circuit which stores charges corresponding to the input signal in only the predetermined integration period and thereafter releases the stored charges before the next integration period. The reference voltage integrating circuit may be a charge/discharge type integrating circuit which stores charges corresponding to the reference voltage in only the predetermined integration period and thereafter releases the stored charges before the next integration period. The differential amplifier circuit may be a current mirror type differential amplifier or a cross-coupled sense amplifier.
REFERENCES:
patent: 3602826 (1971-08-01), List et al.
patent: 3864583 (1975-02-01), Fiorino
patent: 4918338 (1990-04-01), Wong
patent: 5070516 (1991-12-01), Le Comte
patent: 5325065 (1994-06-01), Bennett et al.
patent: 5528187 (1996-06-01), Sato et al.
Nippon Steel Corporation
Wells Kenneth B.
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