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Technique for monitoring magazine readers while permitting a greater choice for the reader of possible reading positions

  • US 4,992,867 A
  • Filed: 02/28/1990
  • Issued: 02/12/1991
  • Est. Priority Date: 02/28/1990
  • Status: Expired due to Term
First Claim
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1. Apparatus for monitoring an individual performing as a test subject who has been placed within a room and is reading a magazine, comprising:

  • camera means for recording an image and including a lens and an image detecting means responsive to light from said lens for producing a signal representative of a recorded image, said camera means having (a) a first portion not visible to the test subject, and (b) a second portion at least partially visible to the test subject;

    means to direct light from an eye of said individual and from said magazine to said camera means, said light directing means including first means positioned on a surface of said room for directing light it receives from one of said test subject and said magazine toward said second portion of the camera means; and

    means for adjusting the orientation of a field of view of said camera means, after said individual is seated at any one position selected by the individual out of a plurality of seating positions in said room, to enable monitoring by said camera means of the at least an eye of the individual and said magazine being read by the individual.

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