Apparatus for monitoring the replay of audio/video information c

Facsimile and static presentation processing – Static presentation processing – Attribute control

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358335, 455 2, H04H 900, H04N 1706

Patent

active

047500344

ABSTRACT:
System for collecting data, relating to the showing of specific video information registered together with a core signal onto a registration carrier. The carrier is forwarded by the information supplier to one of a number of display stations comprising each at least a video display apparatus for displaying the registered video information and comprising a processor for detecting said code signal and deriving therefrom data about the starting time and the period during which said video information is displayed. This data is stored into a memory and the contents of the memory is at regular intervals read out by the information supplier using a reader station.

REFERENCES:
patent: 4547804 (1985-10-01), Greenberg
patent: 4567511 (1986-01-01), Smith et al.
patent: 4593337 (1987-06-01), Leone et al.
patent: 4599644 (1987-07-01), Fischer
patent: 4618995 (1986-10-01), Kemp
patent: 4630108 (1986-12-01), Gomersall
patent: 4658290 (1987-04-01), McKenna et al.

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