PURPOSE: To make the size of a portable section small and light in the weight of the section, by obtaining two color signals from an output signal of a frequency interleave image pickup system, adding a specific phase difference to any one of carrier wave and recording the signals after synthesis again.

CONSTITUTION: A multiplex signal frequency interleave from a CCD pickup element 202 is given to a 1H delay circuit 209 via a BPF 208. An output of the circuit 209 is given to the addition circuit 210 and a subtraction circuit 211, where operations are done, and a red signal R is obtained from the circuit 210 and a blue signal B is obtained from the circuit 211. The output B of the circuit 211 is phase-shifted at a 90° phase shift circuit 302 and summed again at an addition circuit 301. A synthesis circuit 303 synthesizes a luminance signal Y from an LPF 207, a chroma signal from the circuit 301 and a synchronizing signal from a synchronizing signal generating circuit 205 and gives the result to a recorder 304. The circuits stated above are the portable image pickup section and no process and color coder is required to minimize electronic circuits, allowing to make the size of the portable section small and the weight of the section light.