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US 2010/0134531 A1Published application
Input device and information processing apparatus
AssigneeKabushiki Kaisha Toshiba
InventorHiroshi KINUGASA
Life of this patent
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Abstract
An input device includes light-emitting units, which are arranged around a display, and configured to emit an inspection light, light-receiving units, which are arranged around the display, and configured to receive the inspection light, and a control unit configured to determine whether an input is valid or not based on an intensity of light received by the light-receiving units, and transit to an energy-saving mode when the input is not valid.
Claims14
An input device provided in an information processing apparatus having a display, comprising:
- light-emitting units, which are arranged around the display, and configured to emit an inspection light;
- light-receiving units, which are arranged around the display, and configured to receive the inspection light;
- and
- a control unit configured to determine whether an input is valid or not based on an intensity of light received by the light-receiving units, and transit to an energy-saving mode when the input is not valid.
1 more element
An information processing apparatus comprising:
- a display;
- and
- an input device which includes:
- light-emitting units, which are arranged around the display, and configured to emit an inspection light;
- light-receiving units, which are arranged around the display, and configured to receive the inspection light;
- and
- a control unit configured to determine whether an input is valid or not based on an intensity of light received by the light-receiving units, and transit to an energy-saving mode when the input is not valid.
4 more elements
Dependencies are inferred from the claim text.