Multibroadcast receiver for extracting desired broadcast informa

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency

Patent

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Details

455 45, H04B 118

Patent

active

058571493

DESCRIPTION:

BRIEF SUMMARY
TECHNICAL FIELD

The present invention relates to a multibroadcast receiver with a card, and to a multibroadcast receiving system capable of more effectively utilizing a radio massmedia system with a card as a medium between the audience side and the broadcasting station side.


BACKGROUND ART

A radio massmedia system using a normal broadcast receiver such as a television, a radio or the like basically provides information through a unilateral or unidirectional communication made from a broadcasting station or a program sponsor (hereinafter called "broadcasting station side") to an audience/listener (hereinafter called "audience side"). It is necessary for the broadcasting station side to continue to send information to many and unspecified persons or parties at all times while whether or not the viewers are watching and listening in fact, remains unknown. Further, the audience side must select necessary information from random and massive amounts of information given by broadcasting. Therefore, the degree of information transfer to the audience side can be actually said low. The broadcasting station side repeatedly sends increasingly massive amounts of information to the audience side to overcome the low degree of information transfer, thereby causing a vicious circle that a further increase in labors or trouble occurs to select information. Thus, the broadcasting station side incurs a result that even when the amount of information to be given is increased, commercial effects which are commensurate with that cannot be achieved.
A broadcast for transmitting a digital data signal using a multibroadcasting radio wave or PCM broadcasting radio wave used for a television and a radio has been recently put to practical use. This type of broadcast is of a system capable of simultaneously transmitting additive information based on the digital data signal together with a general broadcasting program and has a potential that a problem developed due to the unidirection of the aforementioned information transfer can be reduced by using such additive information.
The present invention has been made from the foregoing points of view, and it is an object of the present invention to solve the aforementioned problems developed in radio mass media, i.e., the increase in trouble incident to the selection of information and the decrease in commercial effects due to the reduction in the degree of information transfer by effectively utilizing a multibroadcasting system.


DISCLOSURE OF THE INVENTION

In order to achieve the above object, the present invention provides a multibroadcast receiver for including an identification code related to the contents of a broadcasting program in a data signal carried by an additive-information radio wave in a multibroadcasting radio wave and extracting information desired by an audience from the data signal, based on the identification code, comprising: broadcasting program from the data signal; identification code recorded thereon; insert portion; signal into the inserted card; and signal against the identification code read from the card and controlling the recording means in accordance with the check result. comprising: contents of a broadcasting program in a data signal carried by an additive-information radio wave in a multibroadcasting radio wave and broadcasting the same; therethrough and constructed so that information necessary to identify the contents of the broadcasting program is extracted from the data signal, based on the identification code recorded on the card and is recorded on the card; and recover the card; premium, present, etc. are provided at the card recovery locations based on the records on the card, while the records on the card which are collected through the card recovery locations are used for statistical processing.
The multibroadcast receiver and multibroadcast receiving system can be used as described below and can reduce labors made when the audience side selects information, according to the way of using them.
A card on which an identification code corresp

REFERENCES:
patent: 3696297 (1972-10-01), Otero
patent: 5128752 (1992-07-01), Von Kohorn
patent: 5210611 (1993-05-01), Yee et al.
patent: 5214792 (1993-05-01), Alwadish
patent: 5371493 (1994-12-01), Sharpe et al.
patent: 5491838 (1996-02-01), Takahisa et al.

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