Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1990-05-22
1993-05-11
Coles, Jr., Edward L.
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359174, 359135, 34082505, 3408255, H04B 1002
Patent
active
052106322
ABSTRACT:
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.
REFERENCES:
patent: 4581770 (1986-04-01), Haworth
patent: 4646361 (1987-02-01), Usui
patent: 4654889 (1987-03-01), Shutterly
patent: 4709416 (1987-11-01), Patterson
patent: 4826275 (1989-05-01), Heinzman
patent: 4876695 (1989-10-01), Witters et al.
Hanano Naomasa
Kogawa Masanori
Maruyama Hisayuki
Mizokawa Sadao
Murakami Toshiyuki
Coles, Jr. Edward L.
Hitachi , Ltd.
Hitachi Cable Ltd.
Hitachi Process Computer Engineering Inc.
Negash Kinfe-Michael
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