COLOR RECORDER, COLOR SIGNAL OUTPUT DEVICE, COLOR SIGNAL EDITER, COLOR SIGNAL STORAGE DEVICE COLOR NETWORK SYSTEM AND COLOR COPYING MACHINE

摘要

PURPOSE:To attain color conversion between various color signals and internal color signals of each device with inexpensive constitution mutually by using a same circuit so as to rewrite a coefficient and a constant. CONSTITUTION:Inputted color signals F1,F2, F3 are given to a 1st matrix arithmetic means 01 at first, in which they are converted into intermediate color signals G1, G2, G3. Then the signals G1, G2, G3 are converted into signals X, Y, Z by a gamma transformation means 02. A matrix coefficient of a 2nd matrix arithmetic means 03 is set to that of a unit matrix. When NTSC IQ signals are inputted as the signals F1, F2, F3, a rewrite means 04 is acted and the matrix coefficient of the means 01, 03 is revised into a prescribed value at first and the constant used by the means 02 is rewritten to 1 simultaneously. Then the coefficient of the means 03 is rewritten into a prescribed value. Thus, the input signals are converted accurately into various output color signals by having only to rewrite the coefficient and the constant with the same circuit.