Miscellaneous active electrical nonlinear devices – circuits – and – External effect – Light
Patent
1994-01-12
1996-03-12
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
External effect
Light
327102, 327165, 327 77, 250214C, H03K 342, H03K 1778
Patent
active
054989930
ABSTRACT:
A pulse light-receiving circuit includes a pair of preamplifiers made up of the same circuit components, a difference amplifier for amplifying the outputs from the preamplifiers, and a pair of peak value-detecting circuits made up of the same circuit component for obtaining the amplitude of an input pulse signal. The median of that amplitude is used as a reference voltage for comparison with an output from the difference amplifier.
REFERENCES:
patent: 4139767 (1979-12-01), Witkowicz
patent: 4714828 (1987-12-01), Bacou et al.
patent: 4733398 (1988-03-01), Shibagaki et al.
patent: 4891519 (1990-01-01), Nohira et al.
patent: 4994692 (1991-02-01), Wolke
patent: 5047667 (1991-09-01), Howie
patent: 5247211 (1993-09-01), Sakura
patent: 5371763 (1994-12-01), Ota et al.
Masuda Yoshihumi
Ohtsuka Yoshihiro
Callahan Timothy P.
Englund Terry L.
Sharp Kabushiki Kaisha
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