A method for program guide update includes: at an electronic device, acquiring program guide update data; comparing whether the program guide update data is the same as local program guide data; if not, comparing whether a quantity of program items contained in the program guide update data is the same as a quantity of program items contained in the local program guide data; recording primary item information and focus item information in a visual range of the program guide if the quantity of program items contained in the program guide update data is different from the quantity of program items contained in the local program guide data; updating the program guide according to the program guide update data; setting a visual range of an updated program guide according to the primary item information; and setting a focus item of the updated program guide according to the focus item information.

A method for program guide update includes: at an electronic device, acquiring program guide update data; comparing whether the program guide update data is the same as local program guide data; if not, comparing whether a quantity of program items contained in the program guide update data is the same as a quantity of program items contained in the local program guide data; recording primary item information and focus item information in a visual range of the program guide if the quantity of program items contained in the program guide update data is different from the quantity of program items contained in the local program guide data; updating the program guide according to the program guide update data; setting a visual range of an updated program guide according to the primary item information; and setting a focus item of the updated program guide according to the focus item information.

The present invention provides a method for playing contents, which are stored in a storage device connected via at least one interface, the method comprising: detecting a connection of the storage device; transmitting transaction information stored in the detected storage device to a license server, wherein the transaction information includes transaction identification information which identifies a corresponding transaction and a user; receiving, from the license server, license information allowing to play the contents; and playing the contents on the basis of the license information, wherein the license information includes a license file and a license key.

The present invention provides a method for playing contents, which are stored in a storage device connected via at least one interface, the method comprising: detecting a connection of the storage device; transmitting transaction information stored in the detected storage device to a license server, wherein the transaction information includes transaction identification information which identifies a corresponding transaction and a user; receiving, from the license server, license information allowing to play the contents; and playing the contents on the basis of the license information, wherein the license information includes a license file and a license key.

A video signal caption system is described, which includes a receiver for receiving video signals, and a computer configured to process, at least, caption data included with the video signals, including storing a plurality of caption information corresponding to portions of the caption data in a database, detecting when received video signals contain one or more portions of caption data which correspond to caption information stored in the database, and communicating that a detection has been made.

A video signal caption system is described, which includes a receiver for receiving video signals, and a computer configured to process, at least, caption data included with the video signals, including storing a plurality of caption information corresponding to portions of the caption data in a database, detecting when received video signals contain one or more portions of caption data which correspond to caption information stored in the database, and communicating that a detection has been made.

A display apparatus which determines a screen to be displayed when a power-on command is input, and method thereof, is provided. The display apparatus includes a display configured to display a content; an input unit configured to receive a command; and a controller configured to: in response to a power-off command being input while a content is displayed, determine whether or not the displayed content is appropriate to be subsequently displayed when a power-on command is input; in response to determining that the displayed content is not appropriate to be subsequently displayed when the power-on command is input, store a predetermined initial screen; in response to determining that the displayed content is appropriate to be subsequently displayed when a power-on command is input, store the displayed content; and in response to a power-on command being input, control the display to display the predetermined initial screen or the displayed content.

A display apparatus which determines a screen to be displayed when a power-on command is input, and method thereof, is provided. The display apparatus includes a display configured to display a content; an input unit configured to receive a command; and a controller configured to: in response to a power-off command being input while a content is displayed, determine whether or not the displayed content is appropriate to be subsequently displayed when a power-on command is input; in response to determining that the displayed content is not appropriate to be subsequently displayed when the power-on command is input, store a predetermined initial screen; in response to determining that the displayed content is appropriate to be subsequently displayed when a power-on command is input, store the displayed content; and in response to a power-on command being input, control the display to display the predetermined initial screen or the displayed content.

Systems and methods are disclosed herein for providing content related to a user-selected media asset featuring a person unrelated to that media asset, but that was involved in another media asset together with a person that was involved with the user-selected media. Specifically, a user-selection of a media asset is received and a first person involved in the media asset is identified. A second person that is associated with the first person and is not involved in the user-selected media asset is identified and content featuring the second person and related to the user-selected media asset is presented to a user.

Systems and methods are disclosed herein for providing content related to a user-selected media asset featuring a person unrelated to that media asset, but that was involved in another media asset together with a person that was involved with the user-selected media. Specifically, a user-selection of a media asset is received and a first person involved in the media asset is identified. A second person that is associated with the first person and is not involved in the user-selected media asset is identified and content featuring the second person and related to the user-selected media asset is presented to a user.