Slide projector assembly

G - Physics – 03 – B

Patent

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Details

G03B 21/00 (2006.01) G03B 31/06 (2006.01) G09B 11/00 (2006.01) G09B 11/06 (2006.01)

Patent

CA 2211709

A slide projector assembly provided with novel slides which may be drawn upon and/or associated with a sound track specific to the slide being projected. The slides may be blank or have line drawings in which cases the slides may be drawn upon. In addition slides, either of the type set forth above, or of a more or less conventional photographic slide design, may be provided with unique machine readable slide identification means. A housing, which includes slide projection means, is also provided with slide identification reading means so that when a slide is placed in the slide receiving means of the slide projection means a recognition signal will be transmitted. This signal will be received by an audio recording and playback means which may initiate either the playing of a sound track or may set a flag at the beginning of a sound track which is to be recorded.

Projecteur de diapositives faisant usage d'un nouveau type de diapositives sur lesquelles on peut dessiner et/ou qui peuvent être associées à une piste sonore correspondant à la diapositive projetée. Ces diapositives peuvent être vierges ou présenter des dessins au trait, auquel cas il est possible de dessiner dessus. On peut également utiliser des diapositives, soit du type indiqué ci-dessus, soit d'un modèle plus ou moins classique, pourvues d'un moyen de reconnaissance lisible par machine. Un carter, muni d'un dispositif de projection de diapositive, fait également partie de ce système et comporte un dispositif de lecture grâce auquel la diapositive peut être identifiée. Lorsqu'une diapositive est placée dans le dispositif de réception des diapositives, ce système de lecture émet un signal de reconnaissance qui, une fois reçu par un dispositif d'enregistrement sonore et d'écoute, peut, soit faire entendre un enregistrement sonore, soit placer un indicateur au début d'une piste sonore à enregistrer.

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