Television Large Screen Projection System

Large-screen projection of television pictures with an optical-relay tube based on the Pockels effect

The only solutions at present offered for the problem of reproducing television pictures in dimensions comparable with those of the cinema screen all of them involving projection are complicated and often very costly. , In the first part of this article, we shall examine a number of solutions proposed or already in use. In the second part, a real-time system will be described which is based on ...

A Projection System with Radiometric Compensation for Screen Imperfections

A major limitation of existing projection display systems is that they rely on a high quality screen for projecting images. We believe that relaxing this restriction will make projectors more useful and widely applicable. The fundamental problem with using an arbitrary surface for a screen is that the surface is bound to have its own colors and textures (bricks of a wall, painting on a wall, ti...

Beyond-screen Interface for Interactive Television

P - 125 : Personal Projection , or How to Put a Large Screen in a Small Device

We introduce the technology and applications of personal projectors, small and inexpensive video projection devices intended for use in battery-powered handheld or wearable products. We explore the engineering and perceptual suitability of arrays of surface-emitting lasers for this application, and discuss a prototype constructed in our research group.

Infant imitation from television using novel touch screen technology.

Infants learn less from a televised demonstration than from a live demonstration, the video deficit effect. The present study employs a novel approach, using touch screen technology to examine 15-month olds' transfer of learning. Infants were randomly assigned either to within-dimension (2D/2D or 3D/3D) or cross-dimension (3D/2D or 2D/3D) conditions. For the within-dimension conditions, an expe...