EP0849946A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Interactive TV broadcasting system and file access method applied thereto
Assignee: Toshiba Corp
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Filing: 1997-11-19
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Granted: —
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Expires: 2017-11-19
Abstract
Abstract An HTML file is converted to an IT script and then distributed from a TV station 12 or response server (15) to each home TV receiver (11). In this case, link information which is the most significant feature of the HTML file is used as the operation guiding button of the IT script. If the button is selected by the user by use of a remote-control unit or the like, access is automatically made to the response server (15) via a trunk line network (14). In the response server (15), a large number of HTML files converted to interactive program scripts are previously held and an IT script corresponding to an HTML file specified by the link information assigned to the button selected by the viewer is transmitted online from the response server to the TV receiver (11). <IMAGE>
Inventors
- 👤 Katsunori Takami
- 👤 Dairoku Sekiguchi
- 👤 Seiji Miura
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 09:22
CPC Classifications
H; H04; H04N; H04N21/00; H04N21/80; H04N21/85; H04N21/858; H04N21/8586; H04N7/00; H04N7/14; H04N21/40; H04N21/45; H04N21/462; H04N21/4622; H04N21/47; H04N21/478; H04N21/4782; H04N7/08; H04N7/087; H04N7/088; H04L; H04L67/00; H04L67/01; H04L67/02; H04L69/00; H04L69/30; H04L69/32; H04L69/322; H04L69/329
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
252 words
An interactive television broadcasting system
for transmitting an interactive program script including
operation guiding graphics data and various
information items and superimposed on a television
broadcasting signal to display the interactive program
script on the screen of a television receiver and
transmitting a response or service request from the
viewer from the television receiver (11) to a response
server (15) via a network (13), characterized by
comprising: script converting means (126, 134) for converting
data with a link structure having an address of other
data to be referred to as designating information to
the interactive program script and converting the
address as the designating information to the graphics
data of the interactive program script; means (125) for superimposing the interactive
program script converted by said script converting
means on the television broadcasting signal and
transmitting the resultant of superimposition; script decoder means (112) for decoding the
interactive program script transmitted by said transmitting
means to display the same on the screen of the
television receiver; and means (11, 15) for accessing the response server
in response to the selecting operation by the viewer
for the operation guiding graphics data on the screen,
acquiring an interactive program script corresponding
to data specified by the address designating information
assigned to the graphics data from the data with
the link structure previously converted as the interactive
program script and held in the response server and
displaying the acquired interactive program script on
the screen of the television receiver by use of said
script decoder means.
Claim 2
Dependent Claim
135 words
A system according to claim 1, characterized
in that the response server (15) includes: means (135) for holding data with a plurality of
link structures converted to interactive program
scripts by said script converting means (134); means (131, 132, 136) for transmitting an interactive
program script corresponding to data specified by
the address designating information to the television
receiver when the interactive program script is held in
the response server; and means (131, 132, 136) for accessing another server
to acquire data specified by the address designating
information when the interactive program script
corresponding to data specified by the address designating
information is not held in the response server,
converting the acquired data to an interactive program
script by use of said script converting means and
transmitting the resultant of conversion to the
television receiver.
Claim 3
Dependent Claim
82 words
A system according to claim 1, characterized
by further comprising means (112) for storing address
designating information of data displayed on the screen
of the television receiver in a storing unit; and means
(112) for reading out address designating information
from the storing unit, acquiring an interactive program
script corresponding to data specified by the address
designating information from the response server or
from another server via the response server, and
displaying the acquired script on the screen of the
television receiver.
Claim 4
Dependent Claim
113 words
A system according to claim 1, characterized
by further comprising means (411) for acquiring data
satisfying a preset searching condition based on a
keyword from each server on the network according to
the preset searching condition; means (412) for calculating the adaptability
of conversion of each of acquired data items to
an interactive program script based on the constraints
including the maximum data size transmittable as the
interactive program script; and means (413) for selecting data with adaptability
larger than a preset adaptability from the acquired
data group and assigning address information of each of
the selected data items to graphics data of the
interactive program script to generate an address list
menu.
Claim 5
Dependent Claim
57 words
A system according to claim 1, characterized
by further comprising: means (311) for acquiring data with a link
structure from each server on the network; means (312) for converting the acquired data to
the interactive program script; and means (313) for transmitting data converted to the
interactive program script to the television receiver
as a video signal.
Claim 6
Dependent Claim
241 words
A data access method for referring to desired
data with a desired link structure present on a network
on a television receiver in an interactive television
broadcasting system for transmitting an interactive
program script including operation guiding graphics
data and various information items and superimposed on
a television broadcasting signal to display the
interactive program on the screen of the television
receiver and transmitting a response or service request
from the viewer from the television receiver to a
response server via the network, characterized by
comprising the steps of: extracting address designating information from
data with the link structure having the address
designating information indicating the location of
other data to be referred to and converting the address
designating information to graphics data of the
interactive program script to convert the data with the
link structure to the interactive program script; superimposing the thus converted data with the
link structure on the television broadcasting signal as
the interactive program script and transmitting the
resultant of superimposition; accessing the response server in response to the
selecting operation of graphics data displayed on the
screen of the television receiver to acquire an
interactive program script corresponding to data
specified by the address designating information
assigned to the graphics data from the data with the
link structure previously converted as the interactive
program script and held in the response server; and displaying the acquired interactive program script
on the screen of the television receiver.
Claim 7
Dependent Claim
63 words
A method according to claim 6, characterized
in that the response server accesses another server to
acquire data specified by the address designating
information when the interactive program script
corresponding to data specified by the address designating
information is not held in the response server,
and the acquired data is converted to the interactive
program script and then transmitted to the television
receiver.
Claim 8
Dependent Claim
131 words
A method according to claim 6, characterized
by further comprising the steps of extracting a text,
image and address designating information to other data
contained in data with the link structure to be
converted from the data with the link structure and
replacing the text, image and address designating
information on the data with the link structure by
corresponding resource identifiers; deriving a text resource, image resource and
address resource for the interactive program script
from the extracted text, image and address designating
information; arranging the text resource, image resource
and address resource on a screen provided in the
interactive program based on the arrangement relation
between a control sentence contained in the data with
the link structure and the resource identifiers to
generate screen data of the interactive program script.
Claim 9
Dependent Claim
66 words
A method according to claim 8, characterized
by further comprising the steps of dividing the
generated screen data of the interactive program script
into first screen data containing the resources other
than the image resource and second screen data containing
the image resource; and arranging an image calling
graphics data for calling the second screen data from
the first screen data in the first screen data.
References Cited (Backward Citations)
US6040872A
Cited
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