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Method and apparatus for wireless internet accessRelated Patent Categories: Telecommunications, Radiotelephone SystemMethod and apparatus for wireless internet access description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060046686, Method and apparatus for wireless internet access. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS REFERENCES TO RELATED APPLICATIONS [0001] This application relates to the following group of applications. Each application in the group relates to, and incorporates by reference, each other application in the group. The invention of each application is assigned to the assignee of this invention. The group of applications includes the following. [0002] U.S. patent application Ser. No. ______, entitled "Method and Apparatus for Communicating Information over Low Bandwidth Communications Networks," filed ______ 1998, having inventors Jeffrey C. Hawkins, Joseph K. Sipher and Scott D. Lincke. [0003] U.S. patent application Ser. No. ______ entitled "Method, System and Apparatus for Packet Minimized Communications," filed ______ 1998, having inventors Ronald Marianetti II, Scott D. Lincke, and Jeffrey C. Hawkins. [0004] U.S. patent application Ser. No. ______, entitled "Method and System for Secure Communications," filed ______ 1998, having inventors Ronald Marianetti II and Scott D. Lincke. [0005] U.S. patent application Ser. No. ______, entitled "Method and System for Wireless Internet Access," filed ______ 1998, having inventor Jeffrey C. Hawkins. COPYRIGHT NOTICE [0006] A portion of the disclosure of this patent document contains material that is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent disclosures, as it appears in the Patent and Trademark Office patent files or records, but otherwise reserves all copyright rights whatsoever. The Field of the Invention [0007] This invention relates to the field of information communications. In particular, the invention relates to wireless access to Internet based information. BACKGROUND OF THE INVENTION [0008] Wireless communications provides one method for mobile users to communicate to a wired network. In particular, wireless communications allows consumers to receive and send information. Examples of such wireless networks include cellular phones, pager systems, and satellite systems. The wireless network systems can be broken into relatively high bandwidth and low bandwidth systems. High bandwidth systems are for example satellite systems. Lower bandwidth systems include cellular phones and mobile radio systems. Still lower bandwidth systems include pager networks and low bandwidth packet switched radio systems (e.g., the BellSouth Mobile Data Mobitex.TM. system). [0009] For users to access information on the Internet using wireless communications, the method in which they access the information is highly dependent on the type of wireless communications available to the user. For example on a high bandwidth network such as a wired network or a satellite system, the usual techniques for browsing data on the Internet are adequate. [0010] An important source of Internet based data is the data accessible through the World Wide Web (referred to as the Web). The following describes the usual techniques for Web browsing. A user selects a web site associated with a URL (Uniform Resource Locator). The URL represents the address of the entry point to the web site (e.g., the home page for the web site). For example, the user may select a web site that supplies restaurant reviews. The user's computer (the client) makes an HTTP (HyperText Transport Protocol) request to the web server hosting the web site. The client typically needs to make multiple HTTP requests of the web server. For example, to load the restaurant locator home page; multiple HTTP requests are needed to download all the graphics, frame content, etc. Next, the user will typically need to browse through a number of linked pages to get to the page from which a search for restaurants can be made. Even if the user is immediately presented with the desired page, a great deal of information has had to been downloaded from the web site (e.g., graphics, advertisements, etc.). This additional information makes for a visually rich browsing experience. The user fills in the information on this page and selects a search button. The client makes another series of HTTP requests of the web server. The web server supplies the client with the requested information in an HTML formatted web page. The web page typically includes links to more graphics and advertisements that need to be accessed by the client. [0011] For low bandwidth networks this technique does not work well. Too much bandwidth is needed to download the images. Also, low bandwidth networks typically charge per byte transmitted and can be very expensive if large amounts of data are downloaded. Thus, low bandwidth networks are desirable to use for accessing information on the Web but only if the amount of data transferred over the network is small. Specifically for packet data networks, the cost of transmitting messages increases with the number of packets transmitted. The cost of transmitting multiple packet messages is therefore a formidable obstacle for packet data network customer use. [0012] One area in which Web access is becoming more desirable is in handheld devices. Handheld devices are emerging as important computer devices. Handheld devices typically implement a relatively small, but important function set. Examples of such handheld devices are the PalmPilot.TM. handheld device available from 3COM Corporation, Inc. of Santa Clara, Calif. Examples of the function set supported are address books, calendars, and task lists. [0013] In the past, wireless communications with handheld devices have been performed using wireless modems, such as are available from Novatel Communications, Inc. of Calgary, Alberta, or wireless transceivers for dedicated wireless data access network. Essentially a wireless modem operates in the cellular phone network and supplies approximately 9600 baud bandwidth to the handheld device. This allows the user to access the web at a relatively low bandwidth. [0014] An issue with using handheld devices to access the Web is related to their capabilities. Even if connected to a high bandwidth network, most handheld devices do not have the screen area or the processing power to display the graphics and large amounts of text in a typical web page. However, it is still desirable to support the browsing of information on the Web using handheld devices. It is further desirable that the handheld devices be able to use networks that have relatively low bandwidths. [0015] Some of the methods by which previous systems addressed some of the issues described above are now described. [0016] One method of reducing the amount of data transferred from the web site to the client is to cache the web site data locally on the client. For example, the Netscape Communicator.TM. browser application caches web pages on the client. Each cached web page is associated with a URL. Thus, when the client requests a web page, the Netscape Communicator browser attempts to use previously cached web pages before downloading the pages from the web site. Another type of caching program is NetAttache.TM., available from Tympany, Inc. of Mountain View, Calif. The NetAttache program downloads all the web pages from a given web site. The web pages are all cached on the client. A NetAttache server runs locally on the client. A browser can then be used to browse through the local copy of the web pages. The problem caching is that the pages still need to be retrieved from the server before they can be reused and there can still be a significant number of connections made to the web server. [0017] Alternatively, some programs are customized for accessing specific information from particular web sites. Examples of these programs are Java applets that reside on the client or are served to the client by a server. The applets can then be reused to access information from a web site. An example of a specialized program for accessing specific information is the RealVideo Player from Real Networks, Inc. A problem with these types of programs is that they are very specific to a particular type of content. For example, they do not use standard HTML (hypertext markup language) constructs. This means that web site developers cannot use standard web site development tools to create their sites. [0018] Therefore what is desired is an improved system and method for handheld device to access Internet information over relative low bandwidth networks. SUMMARY OF THE INVENTION [0019] The following summarizes various embodiments of the invention. Continue reading about Method and apparatus for wireless internet access... 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