DISPLAY APPARATUS, EXTERNAL PERIPHERAL DEVICE CONNECTABLE THERETO AND IMAGE DISPLAYING METHOD

• US 20130169866A1
• Filed: 10/18/2012
• Published: 07/04/2013
• Est. Priority Date: 12/30/2011
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: KIM, Je-ik
• Granted Patent: US 9,219,935 B2
• Time in Patent Office: Days
• US Class Current: 348/468
• CPC Class Codes: G06F 3/14 Digital output to display device ; Cooperation and interconnection of the display device with other functional units
• CPC Class Codes: G09G 2370/20 Details of the management of multiple sources of image data
• CPC Class Codes: H04N 21/4112 having fewer capabilities than the client, e.g. thin client having less processing power or no tuning capabilities
• CPC Class Codes: H04N 21/4184 providing storage capabilities, e.g. memory stick
• CPC Class Codes: H04N 21/4318 by altering the content in the rendering process, e.g. blanking, blurring or masking an image region image enhancement or restoration in general G06T5/00
• CPC Class Codes: H04N 21/44012 involving rendering scenes according to scene graphs, e.g. MPEG-4 scene graphs
• CPC Class Codes: H04N 21/4622 Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet web site content organization and management for information retrieval from the Internet G06F16/958; transmission by internet of broadcast information H04H60/82; stock exchange data over packet-switching network H04L12/1804; push services including data channel over packet-switching network H04L12/1859

Abstract

A display apparatus, an external peripheral device connectable thereto and an image displaying method. The display apparatus includes a video receiver which receives a video signal; a display unit which displays an image; and a peripheral device connector which includes a first port to transmit and receive a video signal and a second port to receive a video signal, both of which are connected to the external peripheral device.

Claims

1. A display apparatus comprising:

a video receiver which receives a video signal;

a display unit which displays an image based on the video signal; and

a peripheral device connector which is connected to an external peripheral device that processes the video signal to be displayed by the display unit, and comprises a first port to transmit and receive a video signal and a second port to receive the processed video signal.

2. The display apparatus according to claim 1, wherein the first port comprises one of a USB interface and a PCI express interface, and the second port comprises one of an HDMI and a DVI, and wherein a video signal which is compressed into a digital signal is transmitted to the external peripheral device through the first port, and a decompressed video signal is transmitted by the external peripheral device through the second port.

3. The display apparatus according to claim 2, wherein a synthesized signal which comprises a graphic signal that relates to contents of the video signal, is displayed by the display unit together with the video signal and overlaps the video signal to form the processed video signal and wherein the synthesized signal is transmitted by the external peripheral device via the second port.

4. The display apparatus according to claim 1, wherein the video receiver comprises at least one of:

a digital broadcasting receiver which receives a digital broadcasting signal, an analog broadcasting receiver which receives an analog broadcasting signal, an Ethernet interface, a digital video receiver which receives a digital video signal, an analog video receiver which receives an analog video signal, and a USB interface.

5. The display apparatus according to claim 1, wherein the video receiver comprises an analog receiver which receives an analog video signal, and a bit stream encoder which encodes the analog video signal into a digital video signal.

6. The display apparatus according to claim 3, further comprising a video processor which synthesizes a video signal with a graphic signal to form the synthesized signal, wherein the video processor synthesizes the synthesized signal and at least one of channel information, a subtitle, and a teletext.

7. A display apparatus comprising:

a video receiver which receives a video signal;

a display unit displays an image based on the video signal;

a peripheral device connector which is connected to an external peripheral device that synthesizes the video signal with a graphic signal to form a synthesis signal; and

a controller which controls the peripheral device connector to output the video signal to the external peripheral device and receive the synthesis signal from the external peripheral device to be displayed by the display apparatus.

8. The display apparatus according to claim 7, further comprising a video processor which synthesizes the video signal and the graphic signal, wherein the controller controls the video processor to synthesize the synthesis signal and at least one of channel information, a subtitle and a teletext.

9. The display apparatus according to claim 7, further comprising:

an MPEG encoder which converts an analog broadcasting signal into a digital signal upon receiving the analog broadcasting signal from the video receiver, wherein the controller controls the peripheral device connector to output the converted digital signal to the external peripheral device.

10. The display apparatus according to claim 7, wherein the video receiver comprises at least one of a digital broadcasting receiver which receives a digital broadcasting signal, an analog broadcasting receiver which receives an analog broadcasting signal, an Ethernet interface, a digital video receiver which receives a digital video signal, an analog receiver which receives an analog video signal, and a USB interface.

11. The display apparatus according to claim 7, wherein the peripheral device connector:

comprises a first port comprising one of a USB interface and a PCI express interface, and a second port comprising one of a high definition multimedia interface (HDMI) and a digital visual interface (DVI), and wherein a video signal which is compressed into a digital signal is transmitted to the external peripheral device via the first port, and a decompressed video signal is transmitted by the external peripheral device via the second port.

12. An image displaying method comprising:

receiving a video signal by a display apparatus;

outputting the video signal to an external peripheral device connected to the display apparatus, the external peripheral device synthesizing the video signal with a graphic signal to form a synthesis signal;

receiving by the display apparatus the synthesis signal from the external peripheral device; and

displaying the received synthesis signal by the display apparatus.

13. The method according to claim 12, wherein the receiving the synthesis signal comprises receiving at least one of a digital broadcasting signal, an analog broadcasting signal, a digital video signal, and an analog video signal.

14. The method according to claim 12, further comprising synthesizing the synthesis signal and at least one of channel information, a subtitle and a teletext.

15. The method according to claim 12, wherein the receiving the synthesis signal comprises receiving an analog broadcasting signal and wherein the method further comprises converting the analog broadcasting signal into a digital signal.

16. An external peripheral device which is connected to a display apparatus comprising:

a display apparatus connector which comprises a first port to transmit and receive a video signal and a second port to transmit a processed video signal and which is connected to the display apparatus; and

a video processor which decodes a video signal received via the display apparatus connector and performs a predetermined upgrade function for the video signal.

17. The external peripheral device according to claim 16, wherein the first port comprises one of a USB interface and a PCI express interface, and the second port comprises one of an HDMI and a DVI, and wherein a video signal which is compressed into a digital signal is transmitted by the display apparatus via the first port, and a decompressed video signal is transmitted to the display apparatus via the second port.

18. The external peripheral device according to claim 16, further comprising an upgrade signal receiver which receives an additional signal that is added to the video signal for performing a predetermined upgrade function.

19. The external peripheral device according to claim 18, wherein the upgrade signal receiver comprises at least one of an Ethernet interface and a USB interface to receive an image signal related to the video signal.

20. The external peripheral device according to claim 16, wherein the video processor synthesizes the video signal and a graphic signal that relates to contents of the video signal, that is displayed together with the video signal, and that overlaps the video signal, the external peripheral device further comprising a controller which controls the video processor to have the graphic signal overlap the video signal, and controls the display apparatus connector to output a synthesis signal in which the video signal and the graphic signal are synthesized to the display apparatus.

21. The external peripheral device according to claim 20, further comprising a video interface which receives another video signal from an external image source, wherein the video processor synthesizes the graphic signal and another video signal that is input through the video interface, and the controller outputs the synthesis signal in which the video signal and the graphic signal are synthesized to the display apparatus.

22. The external peripheral device according to claim 21, wherein the video signal comprises a digital video signal which is transmitted by at least one of a set-top box and a blue ray disk.

23. An image displaying method of an external peripheral device connected to a display apparatus, the method comprising:

receiving a video signal from the display apparatus;

synthesizing into a synthesis signal the received video signal with a graphic signal which relates to contents of the received video signal, which is displayed together with the video signal by the display apparatus and which overlaps the video signal; and

outputting the synthesis signal to the display apparatus.

24. The method according to claim 23, further comprising decoding the received video signal;

receiving another video signal from an external image source; and

synthesizing the graphic signal and the video signal from the external image source.