Multiplex communications – Wide area network – Packet switching
Patent
1991-12-23
1993-10-05
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 853, 370 941, 370 943, 375 31, 375 10, 371 202, 34082507, 34082552, H04L 1226, H04B 1702
Patent
active
052512037
ABSTRACT:
A logic section is provided on each port of an active repeater unit in a CSMA/CD network for comparing the destination address of a data packet retransmitted by the active repeater unit with the address of the data station attached to that port to determine whether a match occurs between these two addresses. Each port's transmitter receives the retransmitted data packet and a clock signal while the logic section is determining whether an address match occurs. The transmitter transmits the data packet to its corresponding data station until the logic section makes its determination. If a match occurs between the destination address of the retransmitted data packet and the address of the data station attached to that port, the logic section controls the transmitter so that the transmitter continues to transmit the data packet to its data station. If no match occurs, the logic section controls the transmitter so that the transmitter switches from transmitting the data packet to transmitting the clock signal.
REFERENCES:
patent: 4063220 (1977-12-01), Metcalfe et al.
patent: 4099024 (1978-07-01), Boggs et al.
patent: 4459589 (1984-07-01), Ito
patent: 4500990 (1985-02-01), Akashi
patent: 4531238 (1985-07-01), Rawson et al.
patent: 4809362 (1989-02-01), Claus et al.
patent: 4901348 (1990-02-01), Nichols et al.
patent: 4922486 (1990-05-01), Lidinsky et al.
patent: 4998247 (1991-03-01), Irvine-Halliday et al.
patent: 5027347 (1991-06-01), Malkki
patent: 5115449 (1992-05-01), Lockyer et al.
patent: 5124984 (1992-06-01), Engel
patent: 5161192 (1992-11-01), Carter et al.
patent: 5164960 (1992-11-01), Wincn et al.
patent: 5177788 (1993-01-01), Schanning et al.
Hsu Alpus H.
Olms Douglas W.
Xerox Corporation
LandOfFree
Hub privacy filter for active star CSMA/CD network does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hub privacy filter for active star CSMA/CD network, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hub privacy filter for active star CSMA/CD network will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1010789