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Stereoscopic Three-Dimensional Video or TV Display

by Otto H Schmitt

This device has already been developed and demonstrated to be very effective for ordinary TV systems (with which it is compatible) with technical displays as in medical examinations, CAT, PET, MRI, ultrasonic and other imaging and in the new CAD/CAM and computer graphics displays, as for example in Robotic Vision.

My original version requires registration of two CRO images, one viewed by the left, the other by the right eye. This is effective but clumsy. The PLZT version worked out by Aida using Honeywell electrodichroic material is fine and can be operated by a cord from the light glasses clipped onto our ordinary glasses but should properly be IR or radio coupled to the interlace current.

The portable light weight mutation has yet to be worked out and Honeywell is not cooperative in licensing their PLZT material for non-medical use [at this time].

Alternative methods are available but have not been prototyped and/or tested. These include a mechanically driven resonant Moiré shutter that I have partially designed, a multi-image design L & R eye install boards about the room and a speeded up LCD display that is not yet realized without wearing the glasses. The advantages of the multi 1 way design is that it requires no glasses and allows the person to locate a comfortable “Viewing Zone” at about the design distance from the screen. It involves an inconvenient coordinate rotation from the conventional TV raster.