Survey technique for readership of publications

Education and demonstration – Psychology

Patent

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Details

340568, 340572, 340573, G09B 500

Patent

active

052343456

ABSTRACT:
A technique for monitoring the readership of a magazine. Two cards are inserted into the magazine, one toward the front and the other toward the rear. Each card carries a transmitter which is triggered when the magazine is opened to the page it is at. The transmitters emit a signal which is detected and input to a timer. The triggering of the front card actuates the timer, and triggering of the rear card stops the timer. If the time interval recorded by the time between the triggering of the two cards exceeds a predetermined time interval, this is recorded as being indicative of readership.

REFERENCES:
patent: 4157540 (1979-06-01), Oros
patent: 4659314 (1987-04-01), Weinblatt
patent: 4726771 (1988-02-01), Weinblatt
patent: 4780704 (1988-10-01), Tommasini
patent: 4781596 (1988-11-01), Weinblatt
patent: 4785291 (1988-11-01), Hawthorne
patent: 4864280 (1989-09-01), Van Der Meij
patent: 4939326 (1990-07-01), Weinblatt
patent: 5014040 (1991-05-01), Weaver et al.
patent: 5019679 (1991-05-01), Weinblatt

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