Television – Basic receiver with additional function
Reexamination Certificate
1999-05-04
2001-08-28
Kostak, Victor R. (Department: 2711)
Television
Basic receiver with additional function
C348S468000
Reexamination Certificate
active
06281937
ABSTRACT:
TECHNICAL FIELD
The present invention relates to a receiver in a data broadcasting system such as FM multiplex broadcasting and teletext broadcasting.
BACKGROUND ART
In FM multiplex broadcasting, when data constituting a program currently displayed is updated, the displayed contents of the program are also simultaneously updated. Even when data constituting a program other than the program currently displayed is updated, a user is not notified of the updating. In a case where a program other than a news program is displayed, for example, even when the contents of the news program are changed into urgent news by updating, therefore, it is difficult to immediately acquire information relating to the urgent news.
An object of the present invention is to provide a receiver in a data broadcasting system capable of informing a user that data constituting a program has been updated as quickly as possible.
DISCLOSURE OF INVENTION
In a receiver in a data broadcasting system, a receiver in a first data broadcasting system according to the present invention is characterized by comprising judging means for judging whether or not program data constituting at least one of received programs has been updated, and indicating means for indicating on a display, when it is judged by the judging means that the program data has been updated, information that the contents of the program are updated, together with information specifying the program whose program data updating has been performed.
In a receiver in a data broadcasting system, a receiver in a second data broadcasting system according to the present invention is characterized by comprising judging means for judging whether or not program data constituting at least one of received programs has been updated, and switching means for switching, when it is judged by the judging means that the program data has been updated, a program to be displayed into the program whose program data updating has been performed.
In a receiver in a data broadcasting system, a receiver in a third data broadcasting system according to the present invention is characterized by comprising judging means for judging whether or not program data constituting at least one of programs previously designated by a user has been updated, and indicating means for indicating on a display, when it is judged by the judging means that the program data has been updated, information that the contents of the program are updated, together with information specifying the program whose program data updating has been performed.
In a receiver in a data broadcasting system a receiver in a fourth data broadcasting system according to the present invention is characterized by comprising judging means for judging whether or not program data constituting at least one of programs previously designated by a user has been updated, and switching means for switching, when it is judged by the judging means that the program data has been updated, a program to be displayed into the program whose program data updating has been performed.
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Hiraoka Toshiko
Mitoh Hironori
Mitoh Yoshimi
Tomida Yoshikazu
Arent Fox Kintner & Plotkin & Kahn, PLLC
Kostak Victor R.
Mitoh Yoshimi
Sanyo Electric Co.
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