Interface for managing information exchanges on a communications

Details Interface for managing information exchanges on a communications Interface for managing information exchanges on a communications

1983-11-21

1985-09-17

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04J 302

Patent

active

045425019

ABSTRACT:
An interface for managing information exchanges on a communications bus between at least one control unit and peripheral units, or between said peripheral units.
The exchanged information includes data and a destination address of said data. The interface is characterized in that it comprises for each unit, data transmission circuitry connected to the unit and to the bus for managing the data transmission on the bus to the unit having the destination address, data reception circuitry connected to the units and to the bus, for managing the reception of data by the unit having the destination address, and management circuitry for managing the addressing of the units during exchanges and in particular for managing access priorities to the bus, without necessitating the intervention of the control unit.
This interface can be used for information exchanges between processing or measuring units.

REFERENCES:
patent: 3876868 (1975-04-01), Cramwinckel et al.
patent: 4227178 (1980-10-01), Gergaud et al.
patent: 4241444 (1980-12-01), Kister
patent: 4292623 (1981-09-01), Eswaran et al.
Patent Abstracts of Japan, vol. 6, No. 77, 5-14-1982, p. E-106955 and JP-A-5715549 (Matsushita Denki Sangyo K.K.).

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