Optical scanner

Details Optical scanner Optical scanner

1984-04-06

1985-08-27

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358285, 358199, 358206, 250236, 350 65, 350 66, H04N 308

Patent

active

045381810

ABSTRACT:
An optical scanner for orthogonal scanning in read and/or write modes has a framing mirror (20) for linear vertical scanning and a rotating disc (30) with a circular array of concave reflectors (32) for horizontal scanning. Primary imagers (24, 164) focus the linear vertical scan onto a strip mirror (26) which reflects the scanned pixels to the concave reflectors. Preferably, the concave reflectors reflect the pixel image in a collimated beam which is focused by a collection optic (38, 200) onto radiation detector (40). Image rotator (221), collection aperture defining device (270, 272), aperture shading device (290), and a device for suppressing spurious radiation are also provided.

REFERENCES:
patent: 2960001 (1960-11-01), Dauguet
patent: 3448458 (1969-06-01), Carlson et al.
patent: 3520586 (1970-07-01), Bousky
patent: 3806222 (1974-04-01), Knappe
patent: 4304459 (1981-12-01), Kramer
patent: 4429220 (1984-01-01), Noguchi

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