Image scanning and recording method and apparatus for compensati

Details Image scanning and recording method and apparatus for compensati Image scanning and recording method and apparatus for compensati

1991-08-14

1993-11-30

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358480, 358474, 358471, 250236, 346108, 346160, H04N 104

Patent

active

052670570

ABSTRACT:
An image scanning and recording method for compensating for a pyramidal error of a mirror surface of a rotating body having at least two reflective mirror surfaces by fine-adjusting an angle of a light beam incident on the rotating body. A scanning lens is put in such a manner that an optical axis of the scanning lens is orthogonal to a rotating axis of the rotating body. An angle made of the incident light beam and a main scanning plate is controlled so that equations (I) and (II) are selectively fulfilled, the main scanning plane being orthogonal to the rotating axis and including the optical axis:

REFERENCES:
patent: 4270131 (1981-05-01), Tompkins et al.
patent: 5023448 (1991-06-01), Kessler et al.
patent: 5043744 (1991-08-01), Fantuzzo et al.
patent: 5046796 (1991-09-01), Andoh et al.

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