Optical pulse receiving device

Details Optical pulse receiving device Optical pulse receiving device

1986-05-09

1987-09-08

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

323902, G05F 146

Patent

active

046926879

ABSTRACT:
An optical pulse receiving device converts an optical pulse signal into an electric signal, maintains a maximum value of the electric signal and sets a threshold voltage at one-half the maintained signal using a resistor divider. A comparison circuit compares the converted electrical signal with the threshold voltage and emits an output pulse on the basis of the comparison of the two signals. The output pulse is a square pulse with accurate timing.

REFERENCES:
patent: 3780318 (1973-12-01), Werts et al.
Chang, "Current Controlled Signal Divider and Photodetector Circuit", IBM Technical Disclosure Bulletin, vol. 14, No. 12, May 1972, pp. 3842-3843.
Gianos, "Threshold Detector for Optical Transducers", IBM Technical Disclosure Bulletin, vol. 19, No. 10, Mar. 1977, pp. 3661-3662.

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