Patent ID: 8212769
Filing Date: 2012-07-03
Classification: G01F,G06F

Abstract:
1. A hierarchical structure display device including a display screen, a first switch, and a second switch, the first switch and the second switch being provided outside the display screen, the display screen changing a display content in a hierarchical manner, the hierarchical structure display device comprising: an operation condition output means for outputting operation condition information for a switch operation condition of the first switch or the second switch, the operation condition information being output to cause an operator to recognize the operation condition information and being output to display a necessary number of times visual information and/or acoustic information needs to be inverted during a switch operation; and a screen transition means for operating only when a detected switch operation of the first switch or the second switch satisfies the switch operation condition related to the operation condition information output from the operation condition output means to carry out a screen transition of the display screen, the screen transition of the display screen occurring after the detected switch operation of the first switch or the second switch inverts the visual information and/or acoustic information the necessary number of times so as to satisfy the operation condition information.