Abstract:
An air conditioner management system and a method for controlling an air conditioner are disclosed. A user interface device provides a user interface to sense a user measure indicating a user opinion regarding operation of an air conditioner, generates feedback data associated with the sensed user measure, and transmits the generated feedback data. A central management device receives and stores the feedback data transmitted by the user interface device and calculates a set value to control the air conditioner based on the received feedback data and previously stored feedback data.
Abstract:
Disclosed is a display device including a main body that is formed in a head-mounted manner, a display unit which is coupled to the main body and is arranged in a position corresponding to both eyes and to which visual information is output in such a manner that the visual information is superimposed on an external image that is input, and a controller that generates a control command for adjusting transparency of the display unit, in which the transparency of the display unit is adjusted according to the control command in order to adjust clearness of the external image.