Beam index system with switchable memories

Details Beam index system with switchable memories Beam index system with switchable memories

1986-08-06

1987-04-14

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 69, H04N 924

Patent

active

046582886

ABSTRACT:
A beam index CRT system includes a pair of memories that are selectively operated to store lines of data from a source and to supply stored lines of data to a CRT. A plurality of NOR gates and flip-flops toggle memory addressing means and simultaneously apply appropriate timing signals thereto for controlling the memory writing and reading operations.

REFERENCES:
patent: 4163250 (1979-07-01), Tomii et al.
patent: 4183053 (1980-01-01), Tomii et al.
patent: 4281340 (1981-07-01), Mitamura et al.
patent: 4314179 (1982-02-01), Tooyama et al.
patent: 4408228 (1983-10-01), Midland
patent: 4468690 (1984-08-01), Midland

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