IMAGE TRANSMISSION METHOD

• US 20100115056A1
• Filed: 10/30/2008
• Published: 05/06/2010
• Est. Priority Date: 10/30/2008
• Status: Active Grant

• Current Assignee: Data Wind Net Access Corporation
• Original Assignee: Data Wind Net Access Corporation
• Inventors: Tuli, Raja Singh
• Granted Patent: US 10,108,738 B2
• Time in Patent Office: Days
• US Class Current: 709/219
• CPC Class Codes: G06F 16/9577 Optimising the visualization of content, e.g. distillation of HTML documents
• CPC Class Codes: H04L 67/02 based on web technology, e.g. hypertext transfer protocol [HTTP]
• CPC Class Codes: H04L 67/04 specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability

Abstract

The present invention relates to an image transmission method employed for communication between a Portable Device and a remote server by means of a network. It discloses a method for shortening the period during which the user of the Portable Device is left to wait for the loading of the webpage image on the device screen, which is part of the overall time required to navigate the web using a Portable Device.

Claims

1. An image transmission method for transmitting image data from the Proxy server to the Portable Device in which, during the flux period in which the Proxy server is downloading and processing the webpage which is thus not settled yet, the Proxy server takes a snapshot of its virtual display at reference point A, divides it in frames, compresses and send them to the Portable Device for display to the user.

2. Method according to claim 1, wherein there is a second reference point B at which only those frames which contact has changed are sent from the Proxy server to the Portable Device upon reaching the second reference point B.

3. Method according to claim 1, wherein there is a third reference point C at which the program running in the Proxy server is frozen and there is no further updating of image content in the Proxy server, with only those frames which contact has changed since the previous update being sent from the Proxy server to the Portable Device on said third reference point C.

4. Method according to claim 1, wherein on reference points A and B only the frames corresponding to a certain amount around the Portable Device screen area are sent or refreshed, whereas on reference point C a much bigger area (though not the whole webpage) is sent to the Portable Device.

5. Method according to claim 1, wherein in an alternative embodiment the Proxy server sends only the text portion of the webpage upon reaching reference point A and waits until reference point B is reached to start sending the non-text portions of the webpage image.

6. Method according to claim 1, wherein in an alternative embodiment the Proxy server sends only the text portion of the webpage upon reaching reference points A and B, and waits until reference point C is reached to start sending the non-text portions of the webpage image.

7. Image transmission method for transmitting from the Proxy server to the Portable Device in which user-specified desired animation content is differentiated from all other animation on a webpage, being tagged for continued refreshment while the rest of the webpage content is treated according to each specific invention embodiment upon selecting frames for re-transmission to the Portable Device on points B and C.

8. Image transmission method for transmitting from the Proxy server to the Portable Device in which the frames corresponding to the area covered by the Portable Device display plus some frames in the neighboring perimeter of said area are immediately compressed and sent as soon as available, and after that discrete updates of each and every frame are sent at user-specified regularly spaced intervals whether its contents have changed or not, being the cycle repeated for a previously set number of times.