Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Reexamination Certificate
2001-04-25
2004-08-03
Kincaid, Kristine (Department: 2174)
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
C345S215000, C345S173000, C345S174000, C345S175000, C345S176000, C345S178000, C345S180000, C178S018010, C178S018090
Reexamination Certificate
active
06771283
ABSTRACT:
FIELD OF THE INVENTION
The present invention generally relates to interactive hypermedia systems and more particularly to a method and system for creating hyperlinks from selected items (e.g., words, pictures, foot notes, symbols, icons) on hard-copy documents to locally or remotely accessible servers, for highlighting by means of a light emitting source the position of each selected item, and for triggering anyone of said hyperlinks simply by touching the hard-copy document over said highlighted items.
BACKGROUND OF THE INVENTION
Internet
The Internet is a global network of computers and computers networks (the “Net”). The Internet connects computers that use a variety of different operating systems or languages, including UNIX™, DOS™, Windows™, Macintosh™, and others. To facilitate and allow the communication among these various systems and languages, the Internet uses a language referred to as TCP/IP (“Transmission Control Protocol/Internet Protocol”). TCP/IP protocol supports three basic applications on the Internet:
transmitting and receiving electronic mail,
logging into remote computers (the “Telnet”), and
transferring files and programs from one computer to another (“FTP” or “File Transfer Protocol”).
World Wide Web
With the increasing size and complexity of the Internet, tools have been developed to help find information on the network, often called navigators or navigation systems. Navigation systems that have been developed include standards such as Archie™, Gopher™ and WAIS™. The World Wide Web (“WWW” or “the Web”) is a recent superior navigation system. The Web is:
an Internet-based navigation system,
an information distribution and management system for the Internet, and
a dynamic format for communicating on the Web.
The Web seamlessly, for the use, integrates format of information, including still images, text, audio and video. A user on the Web using a graphical user interface (“GUI”, pronounced “gooey”) may transparently communicate with different host computers on the system, different system applications (including FTP and Telnet), and different information formats for files and documents including, for example, text, sound and graphics.
Hypermedia
The Web uses hypertext and hypermedia. Hypertext is a subset of hypermedia and refers to computer-based “documents” in which readers move from one place to another in a document, or to another document, in a non-linear manner. To do this, the Web uses a client-server architecture. The Web servers enable the user to access hypertext and hypermedia information through the Web and the user's computer. (The user's computer is referred to as a client computer of the Web Server computers.) The clients send requests to the Web Servers, which react, search and respond. The Web allows client application software to request and receive hypermedia documents (including formatted text, audio, video and graphics) with hypertext link capabilities to other hypermedia documents, from a Web file server.
The Web, then, can be viewed as a collection of document files residing on Web host computers that are interconnected by hyperlinks using networking protocols, forming a virtual “web” that spans the Internet.
Uniform Resource Locators
A resource of the Internet is unambiguously identified by a Uniform Resource Locator (URL), which is a pointer to a particular resource at a particular location. A URL specifies the protocol used to access a server (e.g. HTTP, FTP, . . . ), the name of the server, and the location of a file on that server.
Hyper Text Transfer Protocol
Each Web page that appears on client monitors of the Web may appear as a complex document that integrates, for example, text, images, sounds and animation. Each such page may also contain hyperlinks to other Web documents so that a user at a client computer using a mouse may click on icons and may activate hyperlink jumps to a new page (which is a graphical representation of another document file) on the same or a different Web server.
A Web server is a software program on a Web host computer that answers requests from Web clients, typically over the Internet. All Web servers use a language or protocol to communicate with Web clients which is called Hyper Text Transfer Protocol (“HTTP”). All types of data can be exchanged among Web servers and clients using this protocol, including Hyper Text Markup Language (“HTML”), graphics, sound and video. HTML describes the layout, contents and hyperlinks of the documents and pages. Web clients when browsing:
convert user specified commands into HTTP GET requests,
connect to the appropriate Web server to get information, and
wait for a response. The response from the server can be the requested document or an error message.
After the document or an error message is returned, the connection between the Web client and the Web server is closed.
First version of HTTP is a stateless protocol. That is, with HTTP there is no continuous connection between each client and each server. The Web client using HTTP receives a response as HTML data or other data. This description applies to version 1.0 of HTTP protocol, while the new version 1.1 breaks this barrier of stateless protocol by keeping the connection between the server and client alive under certain conditions.
Browser
After receipt, the Web client formats and presents the data or activates an ancillary application such a sound player to present the data. To do this, the server or the client determines the various types of data received. The Web Client is also referred to as the Web Browser, since it in fact browses documents retrieved from the Web Server.
Interactive Access To Multimedia Services
Interactive electronic services, video-on-demand, and the World Wide Web are providing access to an increasing offering of movies, shopping information, games, multimedia documents, electronic commerce and many other services. A major problem in using these systems is to browse the enormous variety and quantity of possible choices to discover what is available, and to make a selection. By example, when surfing on the Web, a conventional method to navigate across many pages of hypertext documents consists of using search tools or invoking bookmarked links to the different required topics. When surfing on video-on-demand services, a conventional method to navigate is to surf on channels. Advertisements on preview channels are used as entry points to other movies. Users can navigate and make selections from a remote control using hierarchical menus. Obviously, these approaches does not allows a rapid access and browse of the thousands of multimedia documents that are available on the Web or interactive TV.
Present invention is based on the recognition of two significant facts:
People are very skilled at browsing through paper catalogs, magazines, newspapers, maps and books by flipping through the pages and glancing at pictures and text.
A collection of printed color photographs can be much easily and quickly browsed than a sequence of computer screens. Paper has a number of useful properties:
paper is easy to read, mark, and manipulate;
paper is portable, familiar and can be easily distributed.
Many electronic systems attempt to replace paper by providing many advantages such as, for example, a better access to multimedia services. But, however most users prefer to work with paper. It is difficult to foresee, for example, the replacement in the future, of paper catalogs by electronic catalogs (e.g., by Web accessible catalogs). Publication entitled “The Last Book”, IBM Systems Journal, Vol 36, No. 3 Vol 36, No. 3-1997, by J. Jacobson, B. Comiskey, C. Turner, J. Albert, and P. Tsao of the MIT Media Laboratory, compares printed books and computer screens in the following terms:
“A book represents a fundamentally different entity than a computer screen in that it is a physical embodiment of a large number of simultaneous high-resolution displays. When we turn the page, we do not lose the previous page. Through evolution the brain has developed a highly sophisticated spatial map. Persons
Herzberg L. P.
Kincaid Kristine
Pesin Boris
Petraske E. W.
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