Signal transmission system having a star coupled repeater

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United States of America Patent

PATENT NO 5210632
SERIAL NO

07526713

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Abstract

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A signal transmission system comprising an apparatus which inhibits the repeating in the opposite direction during reception and transmission of frames and which monitors the number of frames which were outputted in one direction from a repeater and the number of frames which were returned from such direction, whereby a destruction and circulation of the frame are inhibited without reducing response speed of a signal.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTD A CORP OF JAPAN6 KANDA SURUGADAI 4-CHOME CHIYODA-KU TOKYO
HITACHI PROCESS COMPUTER ENGINEERING INC A CORP OF JAPAN2-1 OMIKACHO-5-CHOME HITACHI-SHI JAPAN TOKYO
HITACHI CABLE LTD A CORP OF JAPAN1-2 MARUNOUCHI-2-CHOME CHIYODA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hanano, Naomasa Ibaraki, JP 2 28
Kogawa, Masanori Hitachi, JP 3 27
Maruyama, Hisayuki Ebina, JP 5 45
Mizokawa, Sadao Katsuta, JP 13 213
Murakami, Toshiyuki Hitachi, JP 50 609
Satake, Masato Ibaraki, JP 6 108

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