Multiplex communications – Pathfinding or routing – Through a circuit switch
Patent
1996-02-23
1998-05-19
Hsu, Alpus H.
Multiplex communications
Pathfinding or routing
Through a circuit switch
370535, H04J 300, H04J 1408
Patent
active
057545456
ABSTRACT:
An add-drop multiplexer contains a partial drop unit and a partial add unit. The partial drop unit selects a number n of first signal(s) of n channel(s) among a number N of first signals of N channels, which are received from a first transmission line, and transmits the n first signal(s) of n channel(s) on at least one second transmission line, where N and n are integers satisfying N>n>0. The partial add unit receives n second signal(s) of n channel(s) from at least one third transmission line, and a number (N-n) of first signal(s) of (N-n) channel(s) among the N first signals of the N channels, which are not selected by the partial drop unit, and transmits on the first transmission line the n second signal(s) of n channel(s) and the (N-n) first signal(s) of (N-n) channel(s) as N third signals of N channels.
REFERENCES:
patent: 4506357 (1985-03-01), Nakayashiki et al.
patent: 4716561 (1987-12-01), Angell et al.
patent: 4835763 (1989-05-01), Lau
patent: 5018135 (1991-05-01), Ashi et al.
patent: 5159595 (1992-10-01), Flanagan et al.
patent: 5265096 (1993-11-01), Parruck
patent: 5278824 (1994-01-01), Kremer
patent: 5282200 (1994-01-01), Dempsey et al.
patent: 5307353 (1994-04-01), Yamashita et al.
patent: 5311501 (1994-05-01), Takatsu
patent: 5343464 (1994-08-01), Iino et al.
patent: 5416768 (1995-05-01), Jahromi
patent: 5517489 (1996-05-01), Ogura
patent: 5528580 (1996-06-01), Lee et al.
patent: 5572513 (1996-11-01), Yamamoto et al.
patent: 5583855 (1996-12-01), Ball
patent: 5586115 (1996-12-01), Nakano et al.
Ishiwatari Junichi
Iwamoto Koji
Mochizuki Hideaki
Oka Akihiko
Shinbashi Masahiro
Fujitsu Limited
Hsu Alpus H.
Yao Kwang Bin
LandOfFree
Add-drop multiplexer with enhancement of accessibility to signal does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Add-drop multiplexer with enhancement of accessibility to signal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Add-drop multiplexer with enhancement of accessibility to signal will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1860512