Optical radio repeater with signal quality detection

Details Optical radio repeater with signal quality detection Optical radio repeater with signal quality detection

1993-05-28

1994-09-20

Chilcot, Jr., Richard E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359175, 359176, 359177, 455 20, 455 21, 375 3, H04B 1000, H04B 1016

Patent

active

053494636

ABSTRACT:
An optical radio system includes a host device, an end device, and a repeater. The host device and the end device communicate with each other via the repeater by use of optical radio. The repeater includes a section for receiving a first light signal from one of the host device and the end device, a section for converting the received first light signal into a first electric signal, a section for frequency-converting the first electric signal into a second electric signal, and a section for generating a second light signal in response to the second electric signal and transmitting the generated second light signal. The repeater also includes a section for demodulating one of the first electric signal and the second electric signal into a baseband signal, a section for detecting a quality of the baseband signal, and a section for enabling transmission of the second light signal only when the detected quality of the baseband signal is equal to or greater than a predetermined quality.

REFERENCES:
patent: 3895186 (1975-07-01), Yoshida
patent: 4412299 (1983-10-01), Huffman

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