PURPOSE: To reproduce the input picture with fidelity, by digitizing an analog input video into a desired gradation, and displaying sequentially it on a monitor from the lowermost luminance level to the uppermost luminance level as a binary-coded picture at each gradation.
CONSTITUTION: An A/D converter 51 converts only a picture part of an input picture signal 6 into a digital signal of an optional gradation and outputs its output to a display control section 53 through a data selecting device 52. A display control section 53 binary-codes a signal transmitted with the gradation corresponding to the count value of a TV frame counter 55. The binary-coded signal is corrected at a unit lumiance controller 56 in response to the photosensitivity of a photographic film, converted into an analog signal and displayed on the TV monitor. The video signal counted up sequentially by the TV frame counter 55 and binary-coded from the lowermost luminance level to the uppermost luminance level is displayed on the TV monitor and copied on the photographic film.
INADA TOMOHIDE
YOKOGAWA KAZUYOSHI
TAKAHASHI JIYUNJI
WAKATSUKI KAZUAKI
| JPS56143772A | 1981-11-09 | |||
| JPS51123511A | 1976-10-28 | |||
| JPS49128620A | 1974-12-10 | |||
| JPS5149633A | 1976-04-30 | |||
| JPS56112179A | 1981-09-04 |