| 摘要 |
PURPOSE:To collate data pictures with a simple configuration without using any special devices for collating, by installing an image memory which stores image dta of one picture element, by performing the writing of single scan in the order of the address, and by performing the reading in another order which is reverse to the writing order. CONSTITUTION:A buffer memory 3 is connected to a large scale memroy 1 through a series-parallel converting circuit 2, and the memory 3 is connected to the input of a picture memory 4, and then, the output of the memory 4 is connected to another buffer memroy 7. The memory 7 is connected to a display 9 through a parallel-series converting circuit 8. Moreover, a back picture request input terminal 10 is connected to a counter controller 11, and the output of the controller 11 is connected to the input of an address counter 14 whose output is connected to the memory 4. Image data of the surface picture preiviously stored in the large scale memoy 1 are planted in the memory 5 in the order of one scan line address, the surface picture data planted in the memory 5 are read out in addresses which are reverse to the writing address from a counter 15, and thus, collatings of pictures are performed easily. |
