When you store the infrared ray thermal imagery which becomes with the thermal imagery

摘要

PROBLEM TO BE SOLVED: To use a TV signal output circuit in common and to provide a highly reliable device low in cost by setting a line increase pitch for indicating that thermal images for one horizontal scanning line are repeatedly read for the respective N horizontal scanning lines, corresponding to a thinning horizontal scanning line and a line position for indicating that they are repeatedly read at a P-th scanning line and generating a read vertical address matched with them. SOLUTION: A CPU 6 receives a thinning horizontal scanning line position, sets line increase pitch PDATA for indicating that the thermal images for one horizontal scanning line are repeatedly read for the respective N horizontal scanning lines and line position SDATA for indicating that they are repeatedly read at the P-th scanning line for the respective N horizontal scanning lines and outputs them to a vertical address generation part 5. A TV signal synchronization signal generation part 7 generates horizontal synchronization signals HSYNC, vertical synchronization signals VSYNC and field signals FLD and outputs them to the vertical address generation part 5. The vertical address generation part 5 generates the read vertical address VADR of a frame memory 2 and outputs it to the frame memory 2.