Method and architecture for an interactive two-way data communication network
Granted: June 11, 2002
Patent Number:
6405037
A two-way data communication device such as a data ready cellular telephone, a two-way pager, or a telephone communicates via a two-way data communication network with a server computer on a computer network that has an interface to the two-way data communication network, i.e, is coupled to the two-way data communication network. For example, the computer network can be a corporate wide area network, a corporate local area network, the Internet, or any combination of computer networks.…
Fault tolerant bus for clustered system
Granted: May 28, 2002
Patent Number:
6397345
A computer system includes a plurality of interdependent processors. Each interdependent processor executes an independent operating system image without sharing file system state information, and each interdependent processor further has a network access card with a first network connection and a second network connection. The computer system has a first active backplane coupled to each first network connection of each processor; a second active backplane coupled to each second network…
Signaling system and method for network-based pre-paid wireless telephone service
Granted: May 21, 2002
Patent Number:
6393269
A pre-paid subscriber account system for use with wireless telephone systems is disclosed. The system, which monitors a subscriber's call, deducts the cost of the call from the subscriber's pre-paid account in real-time, warns the subscriber during a call when the account is nearing depletion, and terminates the call when the account is depleted. The system can also prevent the initiation of a new call when the account is depleted. Various options can also apply different…
Method and apparatus for displaying a record from a structured database with minimum keystrokes
Granted: April 9, 2002
Patent Number:
6370518
An improved query input technique is disclosed in which a user supplies a few character-based queries and is able to retrieve and display at least as portion of a record from a structured database. For every character the user enters, a progressively reduced list of indexes that start with the entered characters is displayed. When a desired index identifying the record is among those indexes being displayed, the user may cease the character entry and scroll a zoom window upon the desired…
Method and apparatus for generating idle loop screen displays on mobile wireless computing devices
Granted: March 26, 2002
Patent Number:
6363419
A system for displaying idle content information on wireless computing devices during idle times is disclosed. The idle content information displayed on the wireless computing device might display the network operators customer support telephone number or advertisements. In one embodiment, a browser program within the wireless computing device is used to display other idle content information to the user during such time when the wireless computing device is idle. The browser program may…
Method for inline variables management in a hypermedia display language
Granted: March 5, 2002
Patent Number:
6353839
To accept, store, and use dynamic information within a markup language, a markup language variable system is introduced. The markup language variable system allows variable scopes to be created within markup language user agents. Variables can then be assigned using static variable assignment via markup language tags or dynamic variable assignment via user requests. Variables can be used within markup language displays or within addresses such as Uniform Resource Locators (URLs).…
Method and apparatus for establishing a secure connection over a one-way data path
Granted: November 13, 2001
Patent Number:
6317831
Improved techniques for facilitating secure data transfer over one-way data channels or narrowband channels are disclosed. Often, these channels are wireless channels provided by wireless data networks. The techniques enable cryptographic handshake operations for a one-way data channel to be performed over a companion two-way data channel so that the one-way data channel is able to effectively satisfy security protocols that require two-way communications for the cryptographic handshake…
Method and apparatus for providing network access over different wireless networks
Granted: November 6, 2001
Patent Number:
6314108
The invention relates to centralized network access for wireless network carriers providing network access to wireless communication devices. The invention provides a network gateway (or proxy server) that provides access to a network of computers to various wireless network carriers having different wireless network characteristics. In one embodiment, the invention uses airlinks (or network drivers) to support the communications between the network gateway and the various wireless…
Method and architecture for managing a fleet of mobile stations over wireless data networks
Granted: September 18, 2001
Patent Number:
6292657
The present invention discloses a fleet managing system in which fleet data can be securely managed and disseminated to a selective group of mobile stations serviced by a carrier infrastructure. The fleet managing system relies on a series of consecutive transitive trusts between pairs of components in the system so that all communications from a provisioning entity to the mobile stations are secure. The access to the fleet managing system is guarded with a challenge response every time…
Method and apparatus for providing access control to local services of mobile devices
Granted: September 18, 2001
Patent Number:
6292833
Techniques for ensuring secure access to local service of mobile devices of a wireless communication system are disclosed. The techniques control access to local services of mobile devices such that only authorized services are able to remotely alter the local services of the mobile devices. Before permitting access to local services of a mobile device, the identity of the network site seeking to have access is checked to determine whether the network site is authorized for such access.…
Scrolling method and apparatus for zoom display
Granted: September 11, 2001
Patent Number:
6288718
According to one aspect of the disclosed system, a user supplies character-based queries to retrieve and display a record from a structured database. For every character the user enters, a progressively reduced list of indexes that start with the entered characters is displayed. When a desired index identifying the record is among those indexes being displayed, the user may cease the character entry and scroll a zoom window upon the desired index to explore the record. According to…
Method and apparatus for providing electronic mail services during network unavailability
Granted: September 11, 2001
Patent Number:
6289212
Improved techniques for providing electronic mail services across a network are disclosed. A mail server and its clients communicate through a network. Although the mail server centrally manages the electronic mail services, the clients are able to themselves locally perform certain electronic mail services when the network is unavailable. Accordingly, clients seeking to perform electronic mail services no longer endure significant delays when the network is unavailable. The network can…
Method and apparatus for transcoding character sets between internet hosts and thin client devices over data networks
Granted: June 12, 2001
Patent Number:
6247048
The present invention discloses a system for transcoding character sets between Internet hosts and thin client devices over data networks. A proxy server is provided as an intermediary between the Internet hosts and the thin client devices, and is informed when a specific character set is preferred by the client device. The client character set preference is communicated to the proxy server prior to the client receiving information from an Internet host. When a communication session is…
Searching and retrieving multimedia information
Granted: June 5, 2001
Patent Number:
6243676
A method retrieves a multi-media segment from a signal stream having an audio component and a closed caption component. This includes separating the audio component and the closed caption text component from the signal stream, generating an audio pattern representative of the start of the multi-media segment, locating the audio pattern in the audio component, and temporally aligning the text from the closed caption text component with the audio pattern in the audio component. Locating…
Method and system for securely interacting with managed data from multiple devices
Granted: May 15, 2001
Patent Number:
6233608
The present invention has been made in consideration of thin devices efficiently communicating ideas and transactions into data networks by using other devices with fill functional user interface in the networks. According to one aspect of the present invention, the thin device exclusively controls the authentication of a rendezvous that is associated with a user account in a server. The thin device running a micro-browser provisions the rendezvous with a set of credential information in…
Shared-everything file storage for clustered system
Granted: May 8, 2001
Patent Number:
6230190
A computer system has a plurality of processors, each processor executing an independent operating system image without sharing file system state information. The system includes an active backplane coupled to the plurality of processors; and one or more data storage devices coupled to the active backplane for satisfying data requests from the plurality of processors, each of the data storage devices being adapted to secure a file when one processor writes to the file and to release the…