Color information display apparatus

Details Color information display apparatus Color information display apparatus

1983-08-03

1984-09-11

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

358183, H04N 9535

Patent

active

044713770

ABSTRACT:
A color information display apparatus includes a common memory of an integrated circuit configuration for storing both pattern data and color data describing an attribute of the corresponding pattern data to be displayed on a CRT, the common memory including a first address area for the pattern data and a second, different address area for the color data, a circuit for generating address signals for the common memories in response to the scanning position of the electron beam on the screen of the CRT, a parallel-serial converting circuit for converting parallel pattern data in the common memory to serial data, a first latch circuit for latching the color data in the common memory to produce an output color signal, a circuit for generating a color information signal from the serial data from the parallel-serial converting circuit and the output signal from the first latch circuit, an address selector connected between the address signal generating circuit and the common memory, the first address area and the second address area of the common memory being addressed alternatively by the address selector, and a second latch circuit connected between the common memory and the serial-parallel converting circuit for latching the pattern data supplied to the latter circuit.

REFERENCES:
patent: 4266242 (1981-05-01), McCoy

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