发明授权
US4525804A Interface apparatus for host computer and graphics terminal 失效
主机和图形终端的接口装置

Interface apparatus for host computer and graphics terminal
摘要:
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.
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