Multiplex communications – Wide area network – Packet switching
Patent
1990-08-23
1993-04-20
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 60, 370 61, H04L 1256
Patent
active
052048586
ABSTRACT:
An address setting and filtering system for terminal accommodating circuits in packet switching systems for detecting and registering the address set by a terminal unit. The address system also prevents double registration of addresses. In one form of the invention, a source address detecting circuit detects and outputs an orginating source address from a source packet frame which is stored in a terminal address memory as a terminal source address. An address filter extracts a destination address from a packet frame received. If the destination address and the terminal address are the same, the received packet frame is transferred to the terminal unit.
REFERENCES:
patent: 4769812 (1988-09-01), Shimizu
patent: 4937817 (1990-06-01), Lin
patent: 5038345 (1991-08-01), Roth
Hisada Isao
Kinashi Haruhiko
Takahashi Kiyo
Hsu Alpus H.
NEC Corporation
Olms Douglas W.
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