Display device
First Claim
Patent Images
1. A display device comprising:
- a memory;
a display unit;
a user interface unit to communicate with a remote controller;
an external device interface unit to receive an image signal from a set-top box connected to the display device; and
a control unit to;
receive a request for changing a broadcast channel from the remote controller,recognize the broadcast channel change according to the request,display a broadcast image of the changed broadcast channel based on the image signal received from the set-top box,capture the broadcast image from a time point when the broadcast channel is changed,determine whether the captured broadcast image includes a main banner in a same position as a previous broadcast channel,recognize a channel number of the broadcast image by using the main banner included in the captured broadcast image when the main banner is located in the same position as a position of a main banner of the previous broadcast channel, anddisplay, on the display unit, broadcasting information related to the recognized channel number,determine whether a version of the set-top box connected to the display device has been changed, acquire position information of the channel number corresponding to the version of the set-top box from the memory if the version of the set-top box has been changed, andrecognize the channel number using the position information of the channel number.
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Abstract
A display device includes a display unit, an external device interface unit configured to receive an image signal from a set-top box connected to the display device, and a control unit configured to, if a broadcast channel is changed, display a broadcast image of the changed broadcast channel based on the image signal received from the set-top box, to recognize the channel number of the broadcast image by using the displayed broadcast image, and to display broadcasting information related to the recognized channel number on the display unit.
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Citations
9 Claims
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1. A display device comprising:
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a memory; a display unit; a user interface unit to communicate with a remote controller; an external device interface unit to receive an image signal from a set-top box connected to the display device; and a control unit to; receive a request for changing a broadcast channel from the remote controller, recognize the broadcast channel change according to the request, display a broadcast image of the changed broadcast channel based on the image signal received from the set-top box, capture the broadcast image from a time point when the broadcast channel is changed, determine whether the captured broadcast image includes a main banner in a same position as a previous broadcast channel, recognize a channel number of the broadcast image by using the main banner included in the captured broadcast image when the main banner is located in the same position as a position of a main banner of the previous broadcast channel, and display, on the display unit, broadcasting information related to the recognized channel number, determine whether a version of the set-top box connected to the display device has been changed, acquire position information of the channel number corresponding to the version of the set-top box from the memory if the version of the set-top box has been changed, and recognize the channel number using the position information of the channel number. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification