Rotating shutter system for improving the resolution of a visual

Details Rotating shutter system for improving the resolution of a visual Rotating shutter system for improving the resolution of a visual

1980-12-11

1983-01-25

Orsino, Jr., Joseph A.

Facsimile and static presentation processing

Facsimile

Recording apparatus

318313, 318329, 358202, H04N 530, H04N 572

Patent

active

043706770

ABSTRACT:
A rotating shutter system for improving the resolution of a visual scene projected upon a spherical screen by a 360.degree. non-programmed visual display system. A rotating shutter, which has on its upper surface a plurality of opaque radial lines, is positioned within an annular probe of the 360.degree. non-programmed visual display system so as to improve the resolution of the annular probe. A direct current motor drives the rotating shutter at a predetermined rotational speed, and a feedback circuit maintains the rotational speed of the direct current motor at a constant value.

REFERENCES:
patent: 3986089 (1976-10-01), Sword et al.
patent: 4100571 (1978-07-01), Dykes et al.
patent: 4161000 (1979-07-01), Cleveland
Miyahara-Moving Picture Quality in Television-Improvement by Blur Suppresn or Field Rate Increase-Trans. of IECE of Japan vol. G60 #5 Abstracts May 1977.

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