Optical receiver

Details Optical receiver Optical receiver

1992-05-26

1994-04-26

Chilcot, Jr., Richard E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359194, 307355, 307360, 307362, 307354, 375 76, H04B 1006

Patent

active

053071964

ABSTRACT:
According to an optical receiver of the present invention, an optical input signal is converted to an electric signal by a photoelectric element, and amplified by an amplifier. Thereafter, a band frequency is restricted by a low pass filter, and a peak value of a bottom level of the band-restricted pulse signal is detected. Then, an offset voltage is added to the detected value, thereby a compare reference value is generated. The output of the amplifier is compared with the compare reference voltage by a comparator, thereby data is discriminated.

REFERENCES:
patent: 3757132 (1973-09-01), Nilsson
patent: 4540897 (1985-09-01), Takaoka et al.
patent: 4994692 (1991-02-01), Wolke
patent: 5008532 (1991-04-01), Ono et al.
patent: 5025456 (1991-06-01), Ota et al.
patent: 5027339 (1991-06-01), Yoda et al.
patent: 5214319 (1993-05-01), Abdi

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