Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Patent
1994-10-07
1996-12-10
Pham, Chi H.
Telecommunications
Transmitter and receiver at separate stations
Having measuring, testing, or monitoring of system or part
455 2, 348 1, H04B 1700
Patent
active
055840507
ABSTRACT:
A program monitoring system which monitors programs aired by a plurality of broadcast stations includes a plurality of the broadcast stations. Each broadcast station transmits to a central station program information concerning programs aired by the broadcast stations. The program information includes identification information for each of the programs, and information relating to a cost of airing each of the programs. The identification information concerning the programs may be different between broadcast stations. The central station receives the program information and determines therefrom identities of the programs aired by the broadcast stations and the cost of airing these programs.
REFERENCES:
patent: 4230990 (1980-10-01), Lert, Jr. et al.
patent: 5019899 (1991-05-01), Boles et al.
patent: 5081680 (1992-01-01), Bennett
patent: 5162905 (1992-11-01), Itoh et al.
patent: 5425100 (1995-06-01), Thomas et al.
patent: 5450122 (1995-09-01), Keene
A.C. Nielsen Company
Pham Chi H.
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