Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1990-02-28
1991-02-12
Peng, John K.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358 93, 358125, H04N 718
Patent
active
049928678
ABSTRACT:
A technique for unobtrusively monitoring a person reading a magazine to determine what page of the magazine is being read. It is necessary to monitor both the magazine as well as the reader's eyes for this purpose. However, test results can be skewed if the reader is placed in an environment to which he is not accustomed. In order to permit the person a great deal of choice as to where to sit and in what sitting position so as to simulate a "natural" environment rather than a test environment, one or more cameras are positioned in the room. In addition at least one mirror is mounted on a wall. The camera may have a direct view of either the reader's eyes or the magazine. Whichever one of these is not directly visible to the camera can be picked up by way of a reflection from the mirror. Various adjustments to the camera are provided so that the reader can be kept in view regardless of where in the room he decides to sit and read.
REFERENCES:
patent: 3158431 (1964-11-01), Gutjahr et al.
patent: 3935380 (1976-01-01), Coutta
patent: 4075657 (1978-04-01), Weinblatt
patent: 4326218 (1982-04-01), Coutta et al.
patent: 4661847 (1987-04-01), Weinblatt
Murrell Jeffrey S.
Peng John K.
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