Video graphics array color signal generator

Details Video graphics array color signal generator Video graphics array color signal generator

2008-01-08

2008-01-08

Dinh, Duc Q (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

C348S181000

Reexamination Certificate

active

07317453

ABSTRACT:
A video graphics array color signal generator is provided. The signal generator includes an FPGA (field program gate array) device (1), a PROM (programmable read only memory) (2), a PLL (phase locked loop) circuit (3), a D/A (digital/analog) convertor (4) connected with the FPGA device, a VGA (video graphics array) interface (5), a pixel clock generator (6) which generates pixel clocks continuously at a frequency, and a keyboard (7) which provides operating buttons for users.

REFERENCES:
patent: 5602586 (1997-02-01), Schauer et al.
patent: 6747620 (2004-06-01), Jun
patent: 7023470 (2006-04-01), Braun
patent: 7180477 (2007-02-01), Howell
patent: 2003/0218622 (2003-11-01), Chang et al.
patent: 2005/0209802 (2005-09-01), Taraci

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