Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1983-03-25
1986-07-01
Brigance, Gerald L.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340701, 340799, 358 76, 358 80, G09G 128
Patent
active
045982821
ABSTRACT:
This concerns retouching a set of n input image signals (1), one for each of the image printing colors, by converting these signals into a set of signals in a format (R, G, B) suitable for displaying the image on a monitor (3) to be viewed by an operator controlling the retouching. The converter (21) simulates the effect of the characteristics of the printing inks. In the present invention, for a rapid monitor response during retouching, the operator first generates, outside the main signal path from the image source to the monitor, a record (A) of n one-dimensional modifying functions corresponding respectively to the n printing colors. These printing-color modifying functions are converted into monitor-format modifying functions for storing in respective one-dimensional stores (B) in the said main signal path, where they modify the monitor-format image signals and therewith the displayed image. The same converter (21) and stores (A) may be used both to effect the conversion of the modifying functions and to effect conversion in the main signal path (position A1) in a subsequent slower "viewing mode" operation in which all input image signals are modified by the printing-color modifying functions (A) and are then passed through the converter (21) for a more accurate display of the modified image.
REFERENCES:
patent: 3972066 (1976-07-01), Seki et al.
patent: 4232311 (1980-11-01), Agneta
patent: 4346402 (1982-08-01), Pugsley
patent: 4418358 (1983-11-01), Poetsch et al.
patent: 4463373 (1984-07-01), Mikami
patent: 4468692 (1984-08-01), Yamada et al.
patent: 4472736 (1984-09-01), Ushio et al.
Brier Jeffery A.
Brigance Gerald L.
Crosfield Electronics Limited
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