Asynchronous interface message transmission using source and rec

Details Asynchronous interface message transmission using source and rec Asynchronous interface message transmission using source and rec

1981-11-09

1984-05-29

Springborn, Harvey E.

Boots, shoes, and leggings

370 90, G06F 304

Patent

active

044518986

ABSTRACT:
An asynchronous interface enables the transfer of information between a set of devices operating in a loop and having a wide range of operating speeds. Each device can enter a Controller active state in which it sources command frames to control the loop operation. Each device can also enter a Talker active state in which it sources Data frames on a Listener active state in which it received Data frames. The transfer of frames is coordinated by a set of handshakes which enable the frames to be transferred in an asynchronous manner.

REFERENCES:
patent: 3633169 (1972-01-01), Bickford
patent: 3794983 (1974-02-01), Sahin
patent: 3879710 (1975-04-01), Maxemchuk et al.
patent: 4051328 (1977-09-01), Mattern
patent: 4103288 (1978-07-01), Westman

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