Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1981-05-15
1985-12-31
Orsino, Jr., Joseph A.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 91, 358 92, H04N 954, H04N 960
Patent
active
045624631
ABSTRACT:
A stereoscopic television system comprising single or double camera designs adapted to televise twin perspective points of view, which are the source for encoding alternate odd and even fields with right and left images, and a television receiver for displaying such images with either passive or infra-red signaled or internally clock controlled active selection devices. The receiver and the preferred embodiment of the camera use field storage devices to record and playback picture information in an appropriate sequence in such a manner to eliminate flicker and to overcome spurious temporal parallax effects. The receiver uses monochromatic or color television tubes, like those of present manufacture, but employs means to double the scan rate so that, for example, an effective 60 fields for each eye for domestic receivers, and 50 fields for each eye, for certain foreign receivers, is achieved. Field storage or buffer circuits allow the doubling of the number of fields without doubling of the bandwidth. The receiver incorporates circuits for charging and synchronizing the phase of electro-optical shutters in individual selection devices of the active kind, or for activating an electro-optical material overlayed on the CRT which can rotate polarization in synchronization with right and left image fields to operate in conjunction with polarized selection devices of the passive kind.
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Orsino Jr. Joseph A.
StereoGraphics Corp.
Wigert, Jr. J. William
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