Infocus Systems, Inc.

Steven R Hix

Paul E Gulick

Robert E Haas

Sohrab Vossoughi

Christopher A Alviar

An electronic transparency device is provided with a memory in which a plurality of frames of video data ('slides') can be stored. The apparatus includes a control microprocessor which can cause predefined sequences of slides to be presented on the LCD panel automatically. These slide 'shows' are defined by the user using a hand held remote control unit in conjuntion with menus displayed on the LCD panel in window fashion by the microprocessor. The user can specify the duration that each slide in a sequence is to be shown, the video transition by which it is to be introduced, the degree of 'windowshading' with which it is to be displayed, etc. Once a show is defined, it can be instituted and controlled from the remote control unit. Among other numerous features, the transparency also includes a pointer that can be superimposed on the display and controlled by the remote control unit. This pointer can be used to define certain portions of the screen that are to be displayed in highlighted fashion.

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Lake Oswego, OR, United States of America

Steven R Hix