Mobile electronic device integration with in-vehicle information systems

• US 9,589,533 B2
• Filed: 02/28/2014
• Issued: 03/07/2017
• Est. Priority Date: 02/28/2013
• Status: Active Grant

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Banski, Holger, Faenger, Jens
• Primary Examiner(s): Xiao, Ke
• Assistant Examiner(s): Imperial, Jed-Justin
• Application Number:
  US14/771,134
• Publication Number:
  US 20160012795A1
• Time in Patent Office: 1,103 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: G01C 21/265 constructional aspects of navigation devices, e.g. housings, mountings, displays G01C21/3688 takes precedence
• CPC Class Codes: G01C 21/362 received from an external device or application, e.g. PDA, mobile phone or calendar application
• 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 3/1423 controlling a plurality of local displays, e.g. CRT and flat panel display
• 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: G06T 1/60 Memory management
• CPC Class Codes: G06T 3/4092 Image resolution transcoding, e.g. by using client-server architectures
• CPC Class Codes: G09G 2310/08 Details of timing specific for flat panels, other than clock recovery
• 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 2350/00 Solving problems of bandwidth in display systems
• CPC Class Codes: G09G 2354/00 Aspects of interface with display user
• CPC Class Codes: G09G 2380/10 Automotive applications
• 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 5/395 Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen G09G5/399 takes precedence
• CPC Class Codes: H04W 4/48 for in-vehicle communication

Abstract

A system displays graphics with an in-vehicle information system and a mobile electronic device. The in-vehicle information system receives encoded graphics data from the mobile electronic device and displays the encoded data with a graphical output device. The mobile electronic device executes program instructions to generate a series of graphics frames that are generated at a first frame rate and stored in an off-screen frame buffer in the mobile electronic device, generate encoded data corresponding to the series of graphics frames, and transmit the encoded data to the in-vehicle information system.

Claims

1. A system for display of graphics comprising:

an in-vehicle information system comprising;

a first display device;

a first network interface device; and

a first processor operatively connected to the first display device and the network interface device, the first processor being configured to;

receive encoded graphics data corresponding to a series of graphics frames generated by a mobile electronic device through the first network interface device; and

decode the encoded graphics data to generate a display of the graphics frames using the first display device; and

the mobile electronic device comprising;

a second network interface device;

a memory; and

a second processor operatively connected to the second network interface device and the memory, the second processor being configured to;

execute program instructions to generate a series of graphics frames that are generated at a first frame rate and stored in an off-screen frame buffer in the memory;

generate encoded data corresponding to the series of graphics frames; and

transmit the encoded data to the in-vehicle information system using the second network interface, the second processor being further configured to;

identify a rate of transmission for the encoded graphics frames to the in-vehicle information system;

identify a picture quality of the encoded graphics frames, the picture quality corresponding to a number of data bits used to encode each graphics frame; and

refrain from transmitting at least one subsequent graphics frame to maintain a predetermined maximum rate of frame transmission in response to the rate of transmission being above the predetermined maximum rate of frame transmission and the picture quality being at a maximum predetermined quality.

2. The system of claim 1, the second processor being further configured to:

identify first content in a first frame in the sequence of graphics frames;

identify second content in a second frame in the sequence of graphics frames, the second frame being generated immediately after the first frame; and

refrain from transmitting encoded data corresponding to the second frame in response to the first content being the same as the second content.

3. The system of claim 2, the second processor being further configured to:

refrain from encoding the second frame in response to the first content being the same as the second content.

4. The system of claim 1, the second processor being further configured to:

generate encoded data for subsequent graphics frames to reduce a number of data bits in each subsequent graphics frame in response to the rate of transmission being less than a predetermined threshold.

5. The system of claim 1, the second processor being further configured to:

generate encoded data for subsequent graphics frames to increase a number of data bits in each subsequent graphics frame in response to the rate of transmission being greater than a predetermined threshold.

6. The system of claim 1, the second processor being further configured to:

generate encoded data for subsequent graphics frames to reduce a number of data bits in each subsequent graphics frame in response to the rate of transmission being less than a predetermined threshold and the picture quality being above another predetermined threshold.

7. The system of claim 6, the second processor being further configured to:

refrain from transmitting at least one subsequent graphics frame in response to the rate of transmission being less than the predetermined threshold and the picture quality being below the other predetermined threshold.

8. The system of claim 1, further comprising:

a second display device in the mobile electronic device; and

the second processor in the mobile electronic device being operatively connected to the second display device and further configured to;

generate the encoded corresponding to the series of graphics frames in the off-screen frame buffer at a first display resolution that corresponds to a display resolution of the first display in the in-vehicle information system;

generate another graphical output for display with the second display device in the mobile electronic device at a second resolution of the second display, the second resolution being different than the first resolution and the other graphical output including another series of graphics frames that are different than the series of graphics frames generated for the off-screen frame buffer.

9. The system of claim 1, the mobile electronic device further comprising:

a hardware acceleration unit operatively connected to the second processor and configured to generate the encoded data corresponding to the series of graphics frames.