Audiovisual book system

Details Audiovisual book system Audiovisual book system

1975-03-14

1976-06-22

Grieb, William H.

Card, picture, or sign exhibiting

Check, label, or tag

Reinforced

35 8A, 274 42P, 360 2, G09F 2700

Patent

active

039641880

ABSTRACT:
An audiovisual book system comprising an audiovisual apparatus accepting a book containing audiovisual pages, each page having an image and a sound track disposed near one of its edges and also having elongated perforations passing through binder means disposed in the book; individual pages, while they are retained and guided by the elongated perforations, are sequentially displaced, from their nesting position in the book, to a playing position, in which the sound track protrudes beyond one edge of the book and is thus exposed to a moving transducer in the apparatus, which scans the sound track arranged in the apparatus for scanning the sound track.
In an alternative embodiment, the audiovisual book contains audiovisual sheets having two consecutive edges defining between them a missing area and an information track disposed about an axis which intersects this missing area.

REFERENCES:
patent: 2822425 (1958-02-01), Hicks
patent: 3185776 (1965-05-01), Bender
patent: 3659357 (1972-05-01), Martinesco et al.
patent: 3767208 (1973-10-01), Chernowitz

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