Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Reexamination Certificate
1999-09-27
2002-04-30
Nguyen, Cao H. (Department: 2173)
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
C345S215000
Reexamination Certificate
active
06380959
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention begins with an intention to create a Java visual table widget (vTable) with Internet capability on the Web browser. It can be used by the programmers who need a table widget written in Java to organize data presentation. vTable is a programmable layout manager that supports data presentation in two dimensional grids, rows, columns and cells. vTable adopts model-view GUI paradigm, such that for each view object, there is a model object controlling its contents. There can be multiple views associated with a single model. So once the model's contents changed, all of the related views will be automatically refreshed with the new contents.
When it was completed, we felt a real Internet application that builds upon the visual table would serve to enhance the widget's interfaces and features. The application of Web based Calendar came naturally, since every calendar view uses two dimensional table. Jigsaw puzzle was also in consideration, but was ruled out for it has no practical usage.
The calendar started off as a Web based personal organizer. It provides daily events and appointments scheduling. To make our Web Calendar stands out from the others, we created the calendar-applet (“Capplet”) architecture to support the multimedia event contents distribution and online registration. It features client side event specification and the association between Capplet™ and event. To leverage on the Web's interconnection nature, we created group concept which represents a collection of individual canlendars. It allows the sharing and coordinating of events and schedules among a group of users. With the inclusion of group features, the Web calendar has grown from a personal organizer to a scheduling and calendaring groupware.
In addition, as we build the calendar applet, we had enhanced our Java GUI foundation library to support our GUI needs. This includes specialized Layout managers, Panels, List controls and miscellaneous components. Layout manager organize its components geographical locations. Panel is a container that is contained within a container. All of these enhancements are necessary for the Web Calendar GUI and are not provided by the Java language Abstract Windowing Toolkit (AWT).
The scope of the invention covers: 1) Java personal organizer, 2) Internet scheduling and calendar groupware, 3) Calendar event with multimedia effect, 4) Joint multiple calendars view, 5) Open calendar architecture that is ready to run any Java applet, 6) Invocation method for programs with display panels and 7) Internet transaction done directly through calendar events.
The Internet and World Wide Web
Internet
The Internet is the name for a group of worldwide information resources. The roots of the Internet lie in a collection of computer networks that were developed in the 1970s. They started with a network called the Arpanet that was sponsored by the United States Department of Defense. The original Arpanet has long since been expanded and replaced, and today its descendent form the global backbone of what we call the Internet.
It would be a mistake however to think of the Internet as a computer network, or even a group of computer networks connected to one another. The computer networks are simply the medium that carries the huge resource of practical and enjoyable information. The Internet allows millions of people all over the world to communicate and to share. It is a people-oriented society.
Internet has a slew of services: Text file, Telnet session, Gopher, Usenet news group, File Transfer Protocol and the latest and greatest World Wide Web, each with either specialized information contents or specialized network functions.
World Wide Web (WWW)
The Web, one of Internet's many resources, was originally developed in Switzerland, at the CERN research center. The idea was to create a way for the CERN physicists to share their work and to use community information. This idea was soon embraced within the Internet as a general mechanism for accessing information and services.
Like many other Internet resources, the Web uses a client/server system. Users use a client program called a browser act as a window into the Web. From the point of Web, everything in the universe consists of either documents or links. Thus the job of a browser is to read documents and to follow whatever links users select. A browser knows how to access just about every service and resource on the Internet, especially it knows how to connect to WWW servers that offer public hypertext documents.
In the language of the Web, a hypertext document is something that contains data and possibly, links to other documents. What makes the Web so powerful is that a link might go to any type of Internet resource. It is flexible and convenient to use.
The Internet Protocols
The protocols that Internet hosts use to communicate among themselves are key components of the net. For the WWW, HTTP is the most important of these communication protocols. All documents on the WWW are referenced through a URL. And each URL begins with the name of the protocol, HTTP, that is used to find that document. A Web browser must have the HTTP capability built-in.
Java
Java is a language developed by Sun with the intent to meet the challenge of application development in the context of heterogeneous network-wide distributed environments. And the paramount among these challenges is the secure delivery of applications that consume the minimum of system resources, can run on any hardware and software platform, and can be dynamically extended.
The massive growth of the Internet and the World-Wide Web leads us to a completely new way of looking at development and distribution of software. To live in the world of electronic commerce and distribution, the Java language supports secure, high-performance, and highly robust application development on multiple platforms in heterogeneous, distributed networks.
Operating on multiple platforms in heterogeneous networks invalidates the traditional schemes of binary distribution, release, upgrade, patch, and so on. To survive in this jungle, the Java language has to be architectural-neutral, portable, and dynamically adaptable.
To ensure the programmers can flourish within their software development environment, the Java language system that emerged to meet these needs is simple, so it can be easily programmed by most developers, familiar, so that current developers can easily learn the Java language, objected oriented, to fit into distributed client-server applications, multithreaded, for high performance in applications that need to perform multiple concurrent activities, and interpreted, for maximum portability and dynamic capabilities.
Java vs. Procedural Languages
At a fundamental level, procedure languages are designed first to provide programmers with a framework for issuing commands for the computer to execute (hence the term “procedural”) and second to allow programmers to organize and manipulate data. Depending on the language, how intuitively a procedural language on these two features very quite a bit. For examples, COBOL, FORTRAN and C are all procedural languages, but each has a specialized area and cannot be interchanged.
An object-oriented language like Java is designed first to allow programmers to define the objects that make up the program and data they contain, and second to define the code that makes up the program.
Many programmers are now using C++ or languages like Object Pascal, Perl 5.0, and Objective C. What these languages have in common is that they are hybrid languages, or procedural languages with object-oriented extensions. These languages make it possible for programmers to use objects within their programs, but they allow-and in many cases required-to use procedural code to accomplish certain tasks.
Java vs. Other Object-Oriented Languages
A pure object-oriented language entails all data in the language is represented in the form of objects. In SmallTalk, which is a pure object-oriented language, every aspect of the langua
Hseush Wenwey
Ma Anthony
Wang Shou-Chung
Cooper & Dunham LLP
Nguyen Cao H.
Timequarter Computing Corp.
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