Repeater system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5289306
SERIAL NO

07858292

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Abstract

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A repeater for packet data optical communication between terminal devices includes a first section and a second section. The first section includes a first device for receiving a first optical signal transmitted from a terminal device and for converting the first optical signal into a first electric signal, a second device for frequency-converting the first electric signal to a second electric signal, and a third device for converting the second electric signal into a second optical signal and for transmitting the second optical signal. The second section includes a fourth device for receiving a third optical signal and for converting the third optical signal into a third electric signal, a fifth device for frequency-converting the third electric signal to a fourth electric signal, and a sixth device for converting the fourth electric signal into a fourth optical signal and for transmitting the fourth optical signal to a terminal device.

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Patent Owner(s)

Patent OwnerAddress
VICTOR COMPANY OF JAPAN LTD12 3-CHOME MORIYA-CHO KANAGAWA-KU YOKOHAMA 221
NTT DATA COMMUNICATIONS SYSTEMS CORPORATION26-5 TORANOMON 1-CHOME MINATO-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirohashi, Kazutoshi Yokohama, JP 16 255
Nomoto, Takeshi Yokohama, JP 6 48
Takeda, Takaaki Fujisawa, JP 6 148
Ushijima, Keishi Nagareyama, JP 3 67
Yoshikawa, Akio Kawasaki, JP 52 496

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