Interface apparatus for host computer and graphics terminal

Details Interface apparatus for host computer and graphics terminal Interface apparatus for host computer and graphics terminal

1982-10-22

1985-06-25

Thomas, James D.

Boots, shoes, and leggings

340750, G06F 506, G06F 502

Patent

active

045258040

ABSTRACT:
A high-speed interface for use between a computer having a Unibus data transmission system and a Tektronix graphics terminal includes elements for converting pairs of coordinate words from the host computer into five seven-bit bytes usable by the Tektronix graphics terminal. The interface is capable of emulating a standard interface device and is also capable of cyclically refreshing the Tektronix graphics terminal so that it can operate in a write-through mode.

REFERENCES:
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patent: 4148073 (1979-04-01), Slobodzian et al.
patent: 4247893 (1981-01-01), Anderson et al.
patent: 4303986 (1981-12-01), Lans
patent: 4323896 (1982-04-01), Fiedler et al.
patent: 4435762 (1984-03-01), Milligan et al.
patent: 4437093 (1984-03-01), Bradley

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