DEVICE AND METHOD FOR DRIVE CONTROL OF ELECTRONIC PRICING SCALE WITH CONTRAST FUNCTION AND LIQUID CRYSTAL DISPLAY ELEMENT

摘要

PROBLEM TO BE SOLVED: To provide an electronic pricing scale with contrast control function using TFT in its display section for minimizing difference in contrast due to view angle as much as possible. SOLUTION: The electronic pricing scale is provided with a TFT type LCD as its display section and a contrast control function controlling contrast of the LCD.