Multiplex communications – Special services – Conferencing
Patent
1995-04-19
1999-09-28
Holloway III, Edwin C.
Multiplex communications
Special services
Conferencing
370263, 34082505, H04L 1216
Patent
active
059599782
ABSTRACT:
In a communication system having a plurality of communication terminals connected by a communication circuit in the form of a loop or a bus, data circulated through the communication circuit has a multi-frame structure having a multiplicity of frames in which data fields are assigned to the terminals, and the circulated data is relayed and updated. If all data generated by the terminals is circulated through the communication circuit, each terminal may receive data generated from itself, which is essentially meaningless for the terminal. Data which has become essentially meaningless is deleted during communication to prevent such meaningless data from always occupying a part of the communication circuit to reduce the communication speed and the efficiency of utilization of the communication circuit.
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patent: 5323445 (1994-06-01), Nakatsuka
patent: 5526356 (1996-06-01), Kim et al.
Horikoshi Hiroki
Kawashima Masanori
Canon Kabushiki Kaisha
Holloway III Edwin C.
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