Optical communications device

Details Optical communications device Optical communications device

1995-07-10

1998-03-17

Bacares, Rafael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

395161, 395186, H04B 1000

Patent

active

057293716

ABSTRACT:
An optical communications device is disclosed which is equipped with a transmission unit adapted to send binary-coded electrical pulse signals to another optical communications device in the form of optical pulse signals. The transmission unit includes a modulator for producing an electrical pulse signal of a narrow pulse width only at each of rising and falling edges in the binary-coded electrical pulse signals and an electro-optic converter for converting the electrical pulse signal of a narrow pulse width into an optical pulse signal of a narrow pulse signal. As an alternative, the transmission unit includes a modulator which produces an electrical pulse signal of a narrow pulse width for each bit in the binary-coded electrical pulse signals only when it is at a high level and an electro-optic converter which converts the electrical pulse signal of a narrow pulse width into an optical pulse signal of a narrow pulse width.

REFERENCES:
patent: 3899429 (1975-08-01), Ueno et al.
patent: 4481677 (1984-11-01), Li et al.
patent: 5075792 (1991-12-01), Brown
patent: 5113278 (1992-05-01), Degura et al.
patent: 5214526 (1993-05-01), Tonomura

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