Information communication system

A communication system and communication path technology, applied in image communication, analog security/charging system, television, etc., can solve problems such as troublesome operation
CN1339883AInactive Publication Date: 2002-03-13PANASONIC CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
PANASONIC CORP
Publication Date
2002-03-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention provides a system capable of individually controlling each of receiving devices while making full use of the advantages of broadcasting. Simultaneous transmission is carried out from a broadcasting device 2 to a plurality of receiving devices 6 via a broadcasting path. Further, the broadcasting device 2 sends operation control data to the receiving device 6 through a communication path. The receiving device 6 changes its operation in accordance with the operation control data when received broadcasting is decoded. In this way, each of the receiver devices 6 can be controlled individually using the operation control data while making full use of the advantages of broadcasting.
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Description

[0001] The entire disclosure of Japanese Patent Application No. 2000 247326 (filed on August 17, 2000), including the specification, scope of claims, drawings, and abstract, is incorporated into this application. (1) Technical field

[0002] The present invention relates to a technique for controlling a receiving device from a transmitting device such as a broadcasting device through a communication path. (2) Background technology

[0003] The broadcast system has the advantage of being able to provide programs together at low cost to many receiving apparatuses. However, conversely, since transmission is basically performed together, it is not easy to control the operation of each receiving device from the transmitting device side.

[0004] In addition, not limited to the broadcasting system, when information is transmitted from the transmitting side to the receiving side, an operator on the receiving side may be required to perform an operation related to the information. ...

Claims

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