Multiplex communications – Communication over free space
Reexamination Certificate
1998-06-29
2004-05-04
Kizou, Hassan (Department: 2662)
Multiplex communications
Communication over free space
C370S313000, C370S420000, C370S427000, C455S461000, C340S905000, C340S988000
Reexamination Certificate
active
06731612
ABSTRACT:
TECHNICAL FIELD
This invention relates to mobile Web browsers, and to the utilization of GPS-generated geographical information in conjunction with such Web browsers.
BACKGROUND OF THE INVENTION
Automobile “stereos” are gradually being replaced by more complex components that have numerous capabilities in addition to the capabilities of playing music from over-the-air radio broadcasts and from tapes and CDs. For example, automobile accessories are being designed that incorporate such features as cellular telephones and Internet connectivity. A US Patent Application entitled “Vehicle Computer System,” filed by Microsoft Corporation on Nov. 29, 1995, having Ser. No. 08/564,586 (hereby incorporated by reference), describes one such automobile accessory. Generally, many systems such as this are similar to desktop computers, with added multimedia capabilities and other capabilities related to the automotive environment.
Mobile automobile computers sometimes incorporate hardware for determining the absolute geographical position of the computer or automobile. Currently, this is accomplished using a positioning receiver that receives satellite transmissions and processes such transmissions to determine geographical coordinates (such as longitude and latitude). The system currently in use is referred to as the Global Positioning System (GPS) and is maintained by the government of the United States. Low cost receivers are available for use with various types of mobile computers.
The most obvious use of positioning capabilities is in conjunction with mapping software. Thus, application programs have been developed for showing a user's current position on a scrolling map and for providing driving instructions to a driver based on the driver's current position and a specified geographical objective.
Location data can be exploited even more effectively when a mobile computer also has Internet access. When this is the case, geographical data can be provided by Internet servers and can therefore be drawn from a much larger database.
In addition to these uses of real-time location data, however, the inventors have realized a need and an opportunity for automatically providing mobile Internet users with geographic-specific information as part of their normal Web browsing activities.
SUMMARY OF THE INVENTION
In accordance with the invention, a client's Web browser is configured to include location data in its HTTP requests. The responding server takes note of the location data and customizes its returned content in accordance with the user's location. Optionally, the server also returns a valid zone indication, indicating an area within which the returned content is valid. Upon leaving this area, the client automatically resubmits its request to obtain new information appropriate for the new user's location.
The invention effectively customizes a user's Web browsing experience based on his or her physical location, without requiring any special steps on the part of the user. In addition, the user does not need additional application programs such as have been needed in the past. Rather, the work of finding appropriate data is transferred to Web servers.
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CellPort Labs Inc. publication listing in the Table of Contents: CellPort Labs; Mobile Web White Paper; Mobile Web FAQ; News on CellPort; Daimler-Benz's The Internet Multimedia on Wheels; SiRF Technology; Other Articles and Papers “Travel time studies on signalized highways using GPS” and “Real World Agent: A Linkage between the Internet and the Real World,” Copyright 1997 CellPort Labs Inc.
Kizou Hassan
Lee & Hayes PLLC
Logsdon Joe
Microsoft Corporation
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