Optical raster scanning system

Details Optical raster scanning system Optical raster scanning system

1979-11-28

1981-01-20

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358208, 350 68, 350285, H04N 308, G02B 7717

Patent

active

042466121

ABSTRACT:
An optical scanning system comprises a raster scan imager mounted on a support which is rotatable in azimuth, the imager being arranged to provide a line scan which is substantially coplanar with the azimuthal rotational axis and a frame scan which is orthogonal to the line scan, a sensor is provided for monitoring azimuthal rotational rate of the support and a frame scan control means is coupled to the sensor and arranged to provide that the frame scan rate at a field of view is constant and corresponds to a standard T.V. field scan rate irrespective of the azimuthal rotational rate.

REFERENCES:
patent: 2163537 (1939-06-01), Clothier et al.
patent: 3564133 (1971-02-01), Hobrough et al.
patent: 3632871 (1972-01-01), Watkins et al.
patent: 3829192 (1974-08-01), Wheeler
patent: 3941923 (1976-03-01), Wheeler
patent: 3959582 (1976-05-01), Law et al.
patent: 4153917 (1979-05-01), Catano et al.

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