Multiplex broadcasting method and system

Details Multiplex broadcasting method and system Multiplex broadcasting method and system

1994-11-23

1997-09-16

Safourek, Benedict V.

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370342, 370441, 348 7, 348473, H04H 500, H04J 1300

Patent

active

056688059

ABSTRACT:
A multiplex broadcasting method and system which limits an object district for broadcasting of district information such as a commercial message relating closely to the district is disclosed. On the broadcasting station side, multiplex data such as animation are broadcast with a district code such as a postal code number added thereto. On the receiving set side, a district code of the location is registered as an identification number of the multiplex broadcast receiving set in a memory in advance, and the district code of received multiplex data separated by a data extraction circuit and the identification number stored in the memory are compared with each other. Only when they coincide with each other, an image corresponding to the received multiplex data is displayed on the receiving set.

REFERENCES:
patent: 3927250 (1975-12-01), Rainger
patent: 5260778 (1993-11-01), Kauffman et al.
patent: 5319454 (1994-06-01), Schutte
patent: 5400402 (1995-03-01), Garfinkle
patent: 5406558 (1995-04-01), Rovira et al.

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