Arrangement and method for controlling the transmission of a...

Details Arrangement and method for controlling the transmission of a... Arrangement and method for controlling the transmission of a...

2005-11-29

2005-11-29

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling structure

C385S005000, C385S140000

Reexamination Certificate

active

06970622

ABSTRACT:
An arrangement for controlling the transmission of a light signal is disclosed. The arrangement includes a first fiber optic line for transmitting the light signal and a light receiving unit operatively coupled to the first fiber optic line so that the light signal is received by the light receiving unit. The light receiving unit is operative to refract the light signal so that the light signal is substantially prevented from being transmitted through the light receiving unit if an intensity level of the light signal has a predetermined relationship with an intensity threshold level.

REFERENCES:
patent: 4515429 (1985-05-01), Smith et al.
patent: 4952016 (1990-08-01), Adams et al.
patent: 4973125 (1990-11-01), Normandin
patent: 5202786 (1993-04-01), Boyle et al.
patent: 5348688 (1994-09-01), Sharp et al.
patent: 5561541 (1996-10-01), Sharp et al.
patent: 5900983 (1999-05-01), Ford et al.

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