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Input/output device

  • US 9,836,141 B2
  • Filed: 02/04/2016
  • Issued: 12/05/2017
  • Est. Priority Date: 02/10/2015
  • Status: Active Grant
First Claim
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1. An input/output device, comprising:

  • an output device having a display surface on which characters or symbols are displayed;

    a body rotatably provided above the display surface;

    a body through-hole formed in the body to allow a prescribed surface area of the display surface to be visible from an outside of the body;

    a signal generation device configured to generate a control signal according to whether the body is rotated; and

    a controller configured to control the output device based on the control signal input from the signal generation device so that the characters or symbols are displayed in a region outside the prescribed surface area of the display surface, wherein one of the characters or symbols displayed in the region outside the prescribed surface area is highlighted in brightness or size to indicate the one of the characters or symbols to be selectable when the body is rotated by a prescribed reference angle, and the one of the characters or symbols indicated to be selectable is further displayed within the prescribed surface area to be visible through the body through-hole.

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