Non-sequential raster scanning apparatus and method

Details Non-sequential raster scanning apparatus and method Non-sequential raster scanning apparatus and method

1990-09-19

1993-01-12

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

With radiant energy sensitive control means

358216, H01J 3126

Patent

active

051793148

ABSTRACT:
A cathode ray tube non-sequential raster scanning method maintains a more uniform screen luminescence. This raster scanning method scans and stores electrical signals representing the locations of non-sequential blocks of adjacent raster lines or reordered individual raster lines from a cathode ray tube in a temporary storage apparatus. A programmable controller associated with the cathode ray tube and the temporary storage apparatus reorders the stored raster line location and selectively deflects the cathode ray beam. Analog or digital film-to-video transfer systems incorporating a cathode ray tube having non-sequential raster scanning are also described. A method of variable raster scanning for a weave correcting film-to-video transfer system is also disclosed.

REFERENCES:
patent: 4746985 (1988-05-01), Waldron et al.
patent: 4823204 (1989-04-01), Holland

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