Random action event switching method and apparatus for a multipl

Details Random action event switching method and apparatus for a multipl Random action event switching method and apparatus for a multipl

1976-04-21

1978-04-18

Thomas, James D.

Boots, shoes, and leggings

G06F 700, G06F 300, G11B 1300

Patent

active

040854442

ABSTRACT:
The acceptance of all events and the processing of such events without lock-out in a multiple input data processing system is achieved by a random action event switching technique. Processing of all events in order of arrival is accomplished by providing an input line for each system input on which the priority of the received event is registered with the resolution of the switch timing clock. Events arriving on other lines during the same time resolution element are processed with equal priority but with identity preserved. At the end of each time interval accumulated events are switched to one of a multiplicity of event holding lines, there being fewer event holding lines than input lines, and the input lines are cleared to receive subsequently arriving events. Event holding lines are filled in selected sequence and are switched to the data system main processor for read-out according to the priority of arrival of the events they hold and in response to main processor availability signals.

REFERENCES:
patent: 3344406 (1967-09-01), Vinal
patent: 3345616 (1967-10-01), Avril
patent: 3439342 (1969-04-01), Barton
patent: 3582901 (1971-06-01), Cochrane
patent: 3629855 (1971-12-01), Conley
patent: 3678468 (1972-07-01), Jefferson
patent: 3787814 (1974-01-01), Pages

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