Method and device for performing a bus request and collective ac

Details Method and device for performing a bus request and collective ac Method and device for performing a bus request and collective ac

1984-02-09

1986-12-09

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

3408255, H04J 300

Patent

active

046285032

ABSTRACT:
A method for performing a bus request or collective acknowledgement on a bus system, in a process bus system for serial data transmission, including subscribers of the process bus system, and a bus control device, includes generating a band-limited signal capable of superposition at all of the subscribers, in accordance with a common given principle, transmitting the band-limited signal with the subscribers for performing a bus request or collective acknowledgement, and analyzing the signal with the bus control device, and a device for carrying out the method.

REFERENCES:
patent: 3870828 (1975-03-01), Saliga
patent: 3938156 (1976-02-01), Lunden
patent: 4096355 (1978-06-01), Rothauser et al.
patent: 4131761 (1978-12-01), Giusto
patent: 4363127 (1982-12-01), Evans et al.
patent: 4409592 (1983-10-01), Hunt

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