Multiplex communications – Communication techniques for information carried in plural... – Address transmitted
Patent
1997-08-14
2000-04-18
Kizou, Hassan
Multiplex communications
Communication techniques for information carried in plural...
Address transmitted
370522, 4551584, H04L 1250
Patent
active
060523883
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to an information transmission/reception system for transmitting and receiving information, an information reception apparatus, an information transmission apparatus and methods of use corresponding therets. This invention is particularly suitable for use in an FM (Frequency Modulation) teletext broadcasting system, but is no way limited to such an application.
BACKGROUND ART
There is a service available whereby service information, such as character information, is multiplexed on an FM broadcast radio wave and is transmitted, and thereby the transmitted service information is received by a reception terminal to be displayed on a display means provided on the reception terminal. This service is called "FM teletext broadcasting" and has already been put to a practical use as visual information radio.
According to this FM teletext broadcasting, when an FM broadcast radio wave, which is acquired by frequency-multiplexing display information such as characters and/or numerals on an ordinary broadcast radio wave, is transmitted from an FM broadcasting station on the transmission side, a reception terminal, such as an FM radio receiver, which is equipped with a display like a liquid crystal display receives this FM broadcast radio wave. The reception terminal separates the received information into audio information and display information, and converts this display information to character codes to be displayed on the display to allow a user to see this display information. While listening to an FM radio program, therefore, the user can see information associated with the FM radio program, such as the title of a broadcast music piece, the name of the artist, comments and/or the number of requests. The user can also see news, weather information, traffic information or the like, which is not directly associated with broadcasting, as character information.
There is a plan for a bidirectional service which allows users not only to simply see character information transmitted from an FM broadcasting station but also to send a response to a broadcast quiz or questionnaires or a request or the like to a broadcast program (hereinafter, such response, request or the like will be referred to as return message data).
In this bidirectional service, for example, a user sends return message data via a telephone line to a broadcasting station from a reception terminal equipped with an auto-dialing function.
The broadcasting station that receives the return message data should check for which program each return message data has been sent, and must manage those return message data by performing tedious processing operations, such as collection and editing of the return message data. That is, the FM broadcasting station which receives the return message data must do a large amount of processing.
To reduce the amount processing carried out by the broadcasting station, each user may input through the reception terminal the name and the broadcasting date of a program to which his/her return message data is associated at the time of sending the return message data, or may prepare return message data according to a predetermined form. But, such a burden on users is troublesome.
DISCLOSURE OF INVENTION
It is therefore an object of the present invention to provide an information transmission/reception system which can allow a receiver to easily send return information and allow a transmitter to easily process return information.
To achieve the object, according to one preferred mode, there is provided an information transmission/reception system comprising an information transmission apparatus for broadcasting information and an information reception apparatus for receiving information broadcast from the information transmission apparatus, the information transmission apparatus including first information affixing means for affixing identification information indicative of a return destination to be affixed to return information for information to be broadcast, to the information t
REFERENCES:
patent: 5502497 (1996-03-01), Yamaashi et al.
patent: 5838668 (1998-11-01), Okada et al.
Nihira Naruhiko
Okano Hiroshi
Tajima Yoichiro
Casio Computer Co. Ltd.
Kizou Hassan
Previl Daniel
Tokyo FM Broadcasting Co., Ltd.
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