Image processing apparatus using conversion means

Details Image processing apparatus using conversion means Image processing apparatus using conversion means

1989-03-20

1989-10-10

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250494, 358293, H04N 110

Patent

active

048734284

ABSTRACT:
An image processing apparatus comprises an image data generator and a characteristic converter for converting a characteristic of the image data generated by the image data generator. The characteristic converter includes a table for converting the image data in a first mode and a second table for converting in a second mode. The first and second tables are selectively used in recording one image. Data generator for generating data to be stored in the first and second conversion tables has a reference characteristic conversion table to be used as a base in generating the data.

REFERENCES:
patent: 4251837 (1981-02-01), Janeway, III
patent: 4500195 (1985-02-01), Hosono
patent: 4563694 (1986-01-01), Ohkubo et al.
patent: 4677287 (1987-06-01), Ejima
patent: 4683496 (1987-07-01), Tom
patent: 4723173 (1988-02-01), Tanioka
patent: 4752822 (1988-06-01), Kawamura

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