Mobile Terminal Device, Dongle and External Display Device Having an Enhanced Video Display Interface

• US 20090231485A1
• Filed: 09/06/2006
• Published: 09/17/2009
• Est. Priority Date: 09/06/2006
• Status: Abandoned Application

• Current Assignee: Nokia Corporation
• Original Assignee: Nokia Corporation
• Inventors: Steinke, Bernd
• Application Number:
  US12/439,786
• Publication Number:
  US 20090231485A1
• Time in Patent Office: Days
• US Class Current: 348/425.100
• 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: G06F 3/1454 involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
• CPC Class Codes: G09G 2320/103 Detection of image changes, e.g. determination of an index representative of the image change
• CPC Class Codes: G09G 2320/106 Determination of movement vectors or equivalent parameters within the image
• CPC Class Codes: G09G 2330/021 Power management, e.g. power saving
• CPC Class Codes: G09G 2340/02 Handling of images in compressed format, e.g. JPEG, MPEG
• CPC Class Codes: G09G 2340/0407 Resolution change, inclusive of the use of different resolutions for different screen areas
• CPC Class Codes: G09G 2340/0414 Vertical resolution change
• CPC Class Codes: G09G 2340/0421 Horizontal resolution change
• CPC Class Codes: G09G 2340/0442 Handling or displaying different aspect ratios, or changing the aspect ratio
• CPC Class Codes: G09G 2340/14 Solving problems related to the presentation of information to be displayed
• CPC Class Codes: G09G 2340/145 related to small screens
• CPC Class Codes: G09G 2350/00 Solving problems of bandwidth in display systems
• CPC Class Codes: G09G 2360/02 Graphics controller able to handle multiple formats, e.g. input or output formats
• CPC Class Codes: G09G 2370/045 using multiple communication channels, e.g. parallel and serial
• CPC Class Codes: G09G 2370/047 using display data channel standard [DDC] communication
• CPC Class Codes: G09G 2370/10 Use of a protocol of communication by packets in interfaces along the display data pipeline
• CPC Class Codes: G09G 2370/12 Use of DVI or HDMI protocol in interfaces along the display data pipeline
• CPC Class Codes: G09G 5/006 Details of the interface to the display terminal specific for a display terminal using a CRT G09G1/167; using a flat panel G09G3/2096; circuits for interfacing with colour displays G09G5/04
• CPC Class Codes: G09G 5/14 Display of multiple viewports
• CPC Class Codes: G09G 5/393 : Arrangements for updating the contents of the bit-mapped memory
• 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 21/41407 : embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop constructional details of equipment or arrangements specially adapted for portable computer application G06F1/1626; arrangements specially adapted for mobile receivers in broadcast systems H04H20/57
• CPC Class Codes: H04N 21/43632 : involving a wired protocol, e.g. IEEE 1394 high-speed IEEE 1394 serial bus H04L12/40052

Abstract

The present invention relates to the field of mobile terminal devices, dongles and display device connected with external displays for mobile terminals. A mobile terminal device comprises a processing unit having the capability to process high resolution display content, a user interface comprising at least a low resolution display, connected to said processing unit to display low resolution display contents, and a video display interface connected to said processing unit, said display interface having high resolution display contents transferring capabilities to provide said high resolution display contents from said processing unit, wherein said mobile terminal device comprises high resolution display contents compression capabilities to reduce the data rate of said high resolution display contents, and a serial bus connector to transfer said high resolution display contents having a reduced data rate to an external display device. The invention also relates to other embodiments of this device, a connectable display and a display adapter to connect a conventional display to the mobile terminal.

Claims

1. Apparatus comprising:

a processing unit having the capability to process high resolution display content,

a user interface comprising at least a low resolution display, connected to said processing unit to display low resolution display contents, and

a video display interface connected to said processing unit, said video display interface having high resolution display contents transferring capabilities to provide said high resolution display contents from said processing unit, wherein

said processing unit comprises compression capabilities of high resolution display contents to reduce the data rate of said high resolution display contents,

wherein said compression capabilities comprises performing at least one compression selected from the group of requested frame refresh, partial refresh, static masking and/or bit-block transfer, and

a serial bus connector is provided to transfer said high resolution display contents having a reduced data rate to an external display device.

3. Apparatus according to claim 1, wherein said serial bus connector is a universal serial bus connector or a mini universal serial bus connector.

5. Apparatus according to claim 1, wherein said processing unit is configured to receive information related to the display capabilities of a connected display device via said serial bus connector, and is further configured to adapt the processing of high resolution display content to the received information.

6. Apparatus according to claim 1, wherein said apparatus comprises a built-in (video/digital) camera connected to said processing unit and/or a mobile telephone.

32. Apparatus according to claim 5, wherein said apparatus comprises a built-in (video/digital) camera connected to said processing unit and/or a mobile telephone.

2. (canceled)

4. (canceled)

7. (canceled)

8. Apparatus comprising:

a processing unit having a capability to process high resolution display content, and the capability of using requested frame refresh, partial refresh, static masking and transfer, for providing said high resolution display content with a reduced data rate,

a user interface comprising a display, connected to said processing unit to display video contents, and

a video display interface connected to said processing unit to provide said high resolution display contents with reduced data rate, wherein said video display interface comprises a serial bus connector.

9. Apparatus according to claim 8, wherein said serial bus connector is a universal serial bus connector or a mini universal serial bus connector.

11. Apparatus according to claim 8, wherein said processing unit is configured to receive information related to the display capabilities of a connected display device via said serial bus connector, and is further configured to adapt the processing of high resolution display content to the received information.

12. Apparatus according to claim 8, further comprising a built-in (video/digital) camera and/or a mobile telephone, connected to said processing unit.

33. Apparatus according to claim 11, further comprising a built-in (video/digital) camera and/or a mobile telephone, connected to said processing unit.

10. (canceled)

13. (canceled)

14. Apparatus comprising:

a serial bus connector to receive high resolution display contents having a reduced data rate from a device connected via an enhanced video display interface,

a high resolution display contents decompression circuit connected to said serial bus connector to convert said received high resolution display contents having a reduced data rate to a standard video data stream, wherein said high resolution display contents decompression circuit is capable of performing requested frame refresh, partial refresh static masking and/or bit-block transfer and

a conventional video interface connected to said high resolution display contents decompression circuit to output said standard video data stream.

16. Apparatus according to claim 14, further comprising

a high resolution display contents compression circuit connected between said conventional video interface and said serial bus connector to receive a high resolution display contents via said conventional video interface and to convert said received high resolution display contents to a high resolution display contents having a reduced data rate to be sent via said serial bus connector wherein, said high resolution display contents compression circuit is capable of performing requested frame refresh, partial refresh, static masking and/or bit-block transfer.

18. Apparatus according to claim 14, further comprising a connector for a power supply, and/or wherein said serial bus connector is a universal serial bus connector or is a mini universal serial bus connector.

21. Apparatus according to claim 14, further being provided with a storage device connected to said high resolution display contents decompression circuit to store received high resolution display contents, and/or further being provided with a display connected to said high resolution display contents decompression circuit, and/or is further provided with a data provision unit to provide information related to the displaying capabilities of said conventional video interface via said serial bus connector.

34. Apparatus according to claim 16, further being provided with a storage device connected to said high resolution display contents decompression circuit to store received high resolution display contents, and/or further being provided with a display connected to said high resolution display contents decompression circuit, and/or is further provided with a data provision unit to provide information related to the displaying capabilities of said conventional video interface via said serial bus connector.

15. (canceled)

17. (canceled)

19-20. -20. (canceled)

22-23. -23. (canceled)

24. Apparatus comprising:

a serial bus connector to receive high resolution display contents having a reduced data rate from a connected device,

a circuit capable of high resolution display contents decompression connected to said serial bus connector to convert said received high resolution display contents having a reduced data rate to a standard video data stream, wherein said high resolution display contents decompression circuit is capable of performing requested frame refresh, partial refresh, static masking and/or bit-block transfer decoding, and

a display connected to said high resolution display contents decompression circuit to display said video display data stream.

26. Apparatus according to claim 24, further comprising a conventional video interface connected to said high resolution display contents decompression circuit to output said video display data stream, and/or said serial bus connector is a universal serial bus connector and/or said serial bus connector is a mini universal serial bus connector, and/or said display comprises a power supply.

30. Apparatus according to claim 24, wherein said display is a near eye display, and/or wherein said display is provided with a data provision unit to provide information related to the displaying capabilities of said display via said serial bus connector.

25. (canceled)

27-29. -29. (canceled)

31. (canceled)