Serial communications bus for remote terminals

Details Serial communications bus for remote terminals Serial communications bus for remote terminals

1980-03-28

1982-12-21

Springborn, Harvey E.

Boots, shoes, and leggings

G06F 304

Patent

active

043652930

ABSTRACT:
A communication system is provided for use in an electronic accounting system. The system includes a plurality of remote terminals for data entry, a serial data bus, a universal synchronous/asynchronous receiver/transmitter (USART), a priority interrupt controller and a processor connected to the bus to allow processor controlled bidirectional communication over the bus.

REFERENCES:
patent: 3308439 (1967-03-01), Tink et al.
patent: 3676846 (1972-07-01), Busch
patent: 3833888 (1974-09-01), Stafford et al.
patent: 3975712 (1976-08-01), Hepworth et al.
patent: 4071887 (1978-01-01), Daly et al.
patent: 4097923 (1978-06-01), Eckert, Jr. et al.
patent: 4286144 (1981-08-01), Pollak, Jr. et al.

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