Method of and apparatus for recording image

Details Method of and apparatus for recording image Method of and apparatus for recording image

1989-08-28

1991-02-26

Reynolds, Bruce A.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 76PH, 430348, G01D 1510, G03C 516

Patent

active

049965379

ABSTRACT:
An image is recorded on an image recording material by energizing a thermal head having a plurality of heating elements with input image data. As the image recording material, there is employed a heat sensitive recording material comprising a support coated with a coating solution which makes an unheated area colored and a heated area transparent in a colorless or light colored manner. An image is recorded on the heat sensitive recording material with the thermal head by processing the image data through negative-positive reversal and applying the processed image data to the thermal head. The image data are processed through negative-positive reversal by converting the image data based on a function which has the input image data as a variable and a negative differential coefficient.

REFERENCES:
patent: 4346449 (1982-08-01), Ovshinsky et al.

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