# US 2014/0195911 A1 · Video display device and control method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0195911 A1 - Document ID: US20140195911A1 - Status: Published application - Kind: A1 - Application number: 13/779,236 - Filed: 2013-02-27 - Published: 2014-07-10 - Earliest claimed: 2013-01-10 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Eunhyung CHO - Web page: https://patentgrep.com/patent/US20140195911A1 ## CPC - G06F 3/0488: using a touch-screen or digitiser, e.g. input of commands through traced gestures - G06F 3/0484: for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range - G06F 3/0485: Scrolling or panning - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract Disclosed are a video display device to provide multispeed video search, and a control method thereof. The device includes a video display unit to display a video, and a sensor unit to detect user input and transmit an input signal based on the detected user input to a processor that provides a video search interface. The video search interface includes an image display interface, a thumbnail search interface displaying thumbnails of a video, and a thumbnail control interface controlling the image display interface and/or the thumbnail search interface. The thumbnail control interface includes a circular controller, and controls display of an image on the image display interface based on rotation of the circular controller. Display of the image on the image display interface and/or the thumbnails on the thumbnail search interface is controlled based on a positional relationship between the thumbnail search interface and the thumbnail control interface. ## Claims ### Claim 1 A video display device comprising: a display unit configured to display a video; a sensor unit configured to detect user input and transmit an input signal based on the detected user input to a processor; and the processor configured to provide a video search interface, wherein the video search interface includes an image display interface, a thumbnail search interface displaying a plurality of thumbnails with respect to the video that is being displayed on the image display interface, and a thumbnail control interface controlling at least one of the image display interface and the thumbnail search interface, wherein the thumbnail control interface includes a circular controller, and wherein the thumbnail control interface controls display of an image on the image display interface based on rotation of the circular controller, and wherein display of at least one of the image displayed on the image display interface and the plurality of thumbnails displayed on the thumbnail search interface is controlled based on a positional relationship between the thumbnail search interface and the thumbnail control interface. ### Claim 2 (depends on 1) The video display device according to claim 1, wherein the positional relationship between the thumbnail search interface and the thumbnail control interface includes a distance and corresponding position between the thumbnail search interface and the thumbnail control interface. ### Claim 3 (depends on 2) The video display device according to claim 2, wherein the distance between the thumbnail search interface and the thumbnail control interface includes a distance between an uppermost point of the thumbnail search interface and an uppermost point of the thumbnail control interface on the basis of a height of the thumbnail search interface and the thumbnail control interface. ### Claim 4 (depends on 2) The video display device according to claim 2, wherein the processor configured to control a time interval between the thumbnails displayed on the thumbnail search interface based on the distance between the thumbnail search interface and the thumbnail control interface. ### Claim 5 (depends on 2) The video display device according to claim 2, wherein the processor configured to control a number of frames corresponding to each of the plurality of thumbnails displayed on the thumbnail search interface based on the distance between the thumbnail search interface and the thumbnail control interface. ### Claim 6 (depends on 2) The video display device according to claim 2, wherein the processor configured to control a size of at least one of the plurality of thumbnails displayed on the thumbnail search interface based on the distance between the thumbnail search interface and the thumbnail control interface. ### Claim 7 (depends on 6) The video display device according to claim 6, wherein the processor configured to control the size of the thumbnail of the plurality of thumbnails displayed on the thumbnail search interface corresponding to the position of the thumbnail control interface, based on the distance between the thumbnail search interface and the thumbnail control interface. ### Claim 8 (depends on 2) The video display device according to claim 2, wherein the processor configured to control a search speed of the image displayed on the image display interface based on the distance between the thumbnail search interface and the thumbnail control interface. ### Claim 9 (depends on 2) The video display device according to claim 2, wherein the corresponding position between the thumbnail search interface and the thumbnail control interface includes the position of at least one thumbnail of the plurality of thumbnails displayed on the thumbnail search interface corresponding to the position of the thumbnail control interface. ### Claim 10 (depends on 9) The video display device according to claim 9, wherein the processor configured to control display of the thumbnail of the plurality of thumbnails displayed on the thumbnail search interface corresponding to the position of the thumbnail control interface, based on the corresponding positions between the thumbnail search interface and the thumbnail control interface. ### Claim 11 (depends on 9) The video display device according to claim 9, wherein the processor configured to display, on the image display interface, an image of the thumbnail of the plurality of thumbnails displayed on the thumbnail search interface corresponding to the position of the thumbnail control interface based on the corresponding positions between the thumbnail search interface and the thumbnail control interface. ### Claim 12 (depends on 11) The video display device according to claim 11, wherein the image of the thumbnail includes at least one frame image of a plurality of frame images corresponding to the thumbnail. ### Claim 13 (depends on 1) The video display device according to claim 1, wherein the processor configured to rotate the circular controller in response to the first input signal, and display, on the image display interface, an image of the thumbnail of the plurality of thumbnails displayed on the thumbnail search interface corresponding to the position of the rotated circular controller in response to rotation of the circular controller. ### Claim 14 (depends on 1) The video display device according to claim 1, wherein the processor configured to rotate the circular controller in response to the first input signal, and move at least one of the plurality of thumbnails displayed on the thumbnail search interface and the thumbnail control interface in response to rotation of the circular controller. ### Claim 15 (depends on 1) The video display device according to claim 1, wherein the processor further configured to control an image displayed on the image display interface based on the position of the circular controller. ### Claim 16 (depends on 1) The video display device according to claim 1, wherein the processor configured to control a positional relationship between the thumbnail search interface and the thumbnail control interface in response to a second input signal. ### Claim 17 (depends on 1) The video display device according to claim 1, wherein the thumbnail control interface displays a plurality of thumbnails with respect to a plurality of frames corresponding to a time interval between a thumbnail of the plurality of thumbnails displayed on the thumbnail search interface corresponding to a position of the thumbnail control interface and a next thumbnail. ### Claim 18 (depends on 17) The video display device according to claim 17, wherein the processor configured to display, on the image display interface, an image of one thumbnail of the plurality of thumbnails displayed on the thumbnail control interface in response to a third input signal. ### Claim 19 (depends on 18) The video display device according to claim 18, wherein the image displayed on the image display interface includes an image of the thumbnail of the plurality of thumbnails displayed on the thumbnail control interface corresponding to the position of the thumbnail search interface. ### Claim 20 (depends on 1) The video display device according to claim 1, wherein the thumbnail search interface further includes a first indicator representing a position of a frame image displayed on the image display interface at the plurality of thumbnails. ### Claim 21 (depends on 20) The video display device according to claim 20, wherein the processor configured to display, on the image display interface, a frame image of the thumbnail of the plurality of thumbnails displayed on the thumbnail search interface corresponding to the position of the first indicator. ### Claim 22 (depends on 1) The video display device according to claim 1, wherein the thumbnail control interface further includes a second indicator representing a position of a frame image displayed on the image display interface at the plurality of thumbnails. ### Claim 23 (depends on 22) The video display device according to claim 22, wherein the processor configured to display, on the image display interface, a frame image of the thumbnail of the plurality of thumbnails displayed on the thumbnail control interface corresponding to the position of the second indicator. ### Claim 24 (depends on 1) The video display device according to claim 1, wherein the thumbnail search interface displays the plurality of thumbnails of the video in a time sequence. ### Claim 25 (depends on 1) The video display device according to claim 1, wherein the thumbnail search interface displays the plurality of thumbnails representing an entire video. ### Claim 26 A control method using a video display device, the method comprising: providing a video search interface, wherein the video search interface includes an image display interface, a thumbnail search interface displaying a plurality of thumbnails with respect to the video that is being displayed on the image display interface, and a thumbnail control interface controlling at least one of the image display interface and the thumbnail search interface, and wherein the thumbnail control interface includes a circular controller; detecting a first input signal; rotating the circular controller in response to the first input signal; and controlling an image displayed on the image display interface based on the rotation of the circular controller. ### Claim 27 (depends on 26) The control method according to claim 26, wherein the controlling the image displayed on the image display interface includes moving at least one of the plurality of thumbnails displayed on the thumbnail search interface and the thumbnail control interface in response to rotation of the circular controller. ### Claim 28 A control method using a video display device, the method comprising: providing a video search interface, wherein the video search interface includes an image display interface, a thumbnail search interface displaying a plurality of thumbnails with respect to the video that is being displayed on the image display interface, and a thumbnail control interface controlling at least one of the image display interface and the thumbnail search interface; detecting a first input signal; controlling a positional relationship between the thumbnail search interface and the thumbnail control interface in response to the first input signal; and controlling at least one of an image displayed on the image display interface and the plurality of thumbnails displayed on the thumbnail search interface based on the positional relationship between the thumbnail search interface and the thumbnail control interface. ### Claim 29 (depends on 28) The control method according to claim 28, wherein the positional relationship between the thumbnail search interface and the thumbnail control interface includes a distance and corresponding position between the thumbnail search interface and the thumbnail control interface.