Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Reexamination Certificate
1998-12-17
2001-05-08
Bayerl, Raymond J. (Department: 2773)
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
C345S215000, C707S793000, C707S793000, C709S201000, C709S217000, C709S225000
Reexamination Certificate
active
06229535
ABSTRACT:
BACKGROUND OF THE INVENTION
(1)Field of the Invention
The present invention relates to a file acceptance display apparatus that accepts a group of files including character strings in each of which the identifier of the link destination file to which the character string is related is embedded, the file acceptance display apparatus that displays one of the accepted files.
(2)Description of the Related Art
An automatic information distribution system that distributes electronic news, programs, and the like using computer networks, character broadcasting, digital satellite broadcasting has been recently available. In such an automatic information distribution system, information is transmitted in a hypertext format file. As a result, it is possible to refer to the news and a program in another file with facility by tracing the link woven in the hyperlink. A conventional file acceptance display apparatus is described in Japanese Laid-Open Patent Application No. 9-182038. According to the conventional invention, the file of a program guide in a hypertext format is multiplexed with the video signal of television broadcasting when transmitted, and is decoded in a television set.
The conventional file acceptance display apparatus, however, displays a character string in which the identifier of the link destination file in a hypertext format is embedded in one display style regardless of whether the link destination file has been received. Note that when not completely received, a link destination file is not displayed. As a result, even when the user selects a character string, the link destination file of the character string is not displayed and the user selection is a time-wasting operation.
SUMMARY OF THE INVENTION
It is accordingly an object of the present invention to provide a file acceptance display apparatus that prevents the user from selecting a character string that is linked to a hypertext file which has not been completely received.
Another object of the present invention is to provide a file acceptance display method that prevents the user from selecting a character string that is linked to a hypertext format file that has not been completely received.
A further object of the present invention is to provide a recording medium that records the program for realizing the method that prevents the user from selecting a character string that is linked to a hypertext format file that has not been completely received.
The above-mentioned first object is achieved by a file acceptance display apparatus that accepts a plurality of files transmitted and including display elements in which identifiers of link destination files are embedded, the file acceptance display apparatus that displays an accepted file on a display screen, accepts selection of a display element by a user, and has a link destination file corresponding to the selected display element displayed in place of the accepted file on the display screen, the file acceptance display apparatus may include: an acceptance unit for accepting the plurality of files that are transmitted; a file storage unit for storing the plurality of files that the acceptance unit has accepted; and a control unit for changing a display style of and/or a display related to a display element included in the accepted file displayed on the display screen according to a present acceptance condition of a link destination file corresponding to the display element.
It is possible for the file acceptance display apparatus to change the display style of and/or the display related to a character string that is linked to another file according to the acceptance condition of the link destination file.
The first object may be also achieved by the file acceptance display apparatus, wherein the acceptance unit includes: a size information acceptance unit for accepting a piece of size information that shows a size of a file for each of the plurality of files before the acceptance unit accepts the plurality of files; and a file size storage unit for storing a piece of size information for each of the plurality of files, and the control unit includes: an identifier extraction unit for extracting each pair of a display element and a corresponding identifier of a link destination file that are included in an accepted file on the display screen; a display element storage unit for storing each pair of a display element and a corresponding identifier; an acceptance ratio calculation unit for calculating an acceptance ratio of a link destination file that is identified by an extracted identifier that has been stored in the display element storage unit from an amount of data in the link destination file and a piece of size information on the link destination file for each extracted display element, wherein the acceptance unit accepts each link destination file part by part, and when the acceptance unit accepts a part of a given link destination file, the file storage unit adds the accepted part to previously accepted parts of the given link destination file and stores the added parts together; and a display control unit for changing a display style of and/or a display related to an extracted display element on the display screen according to an acceptance ratio that has been calculated by the acceptance ratio calculation unit.
It is possible for the file acceptance display apparatus to notify the user of the acceptance ratio of the link destination file to which a character string included in the file that is now displayed is linked. As a result, the user is prevented from selecting a character string that is linked to a link destination file that may not be displayed.
The first object may be also achieved by the file acceptance display apparatus, wherein the acceptance ratio calculation unit continues calculating an acceptance ratio until the acceptance ratio becomes 100%, and the control unit further includes an audio output control unit for having sound emitted, whenever notified by the acceptance ratio calculation unit that an acceptance ratio becomes 100%, the sound indicating that selection of an extracted display element is possible.
It is possible for the file acceptance display apparatus to notify the user of a character string that may be selected for displaying the corresponding link destination file.
The first object may be also achieved by the file acceptance display apparatus, wherein the display control unit include a percentage display control unit for displaying numbers representing an acceptance ratio next to a corresponding extracted display element on the display screen.
It is possible for the file acceptance display apparatus to notify the user of the acceptance ratio of a link destination file with a numerical value.
The first object may be also achieved by the file acceptance display apparatus, wherein the acceptance ratio calculation unit includes: a timer; and an interval acceptance ratio calculation unit for calculating an acceptance ratio every predetermined interval timed by the timer.
It is possible for the file acceptance display apparatus to notify the user of the acceptance ratio of a link destination file every predetermined interval.
The first object may be also achieved by the file acceptance display apparatus that may further comprise a selection operation unit for allowing, when notified by the acceptance ratio calculation unit that an acceptance ratio becomes 100%, the user to select a corresponding extracted display element.
It is possible for the file acceptance display apparatus to completely prevent the user from selecting a character string the corresponding link destination file of which may not be displayed.
The first object may be also achieved by the file acceptance display apparatus, wherein the plurality of files are described in HTML, and the identifier extraction unit extracts each pair of a display element that is placed between tags <A> and </A> and a corresponding identifier that is written inside the tag <A>.
It is possible for the file acceptance display apparatus to accept and display a file
Bayerl Raymond J.
Matsushita Electric - Industrial Co., Ltd.
Nguyen Thomas T.
Price and Gess
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