Light beam scanning optical system

Details Light beam scanning optical system Light beam scanning optical system

1989-04-24

1990-03-13

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

346160, 358300, 358302, H04N 129, H04N 308

Patent

active

049087088

ABSTRACT:
A cylindrical lens for use in a light beam scanning optical system is arranged to have luminous flux enter a deflection device for converting it into a straight line along a plane perpendicular to a rotation axes of the deflection device. The luminous flux deflected by the deflection device is turned over by the concave surface of a cylindrical mirror or spherical mirror to converge on the surface of a photoconductor through the cylindrical lens. The deflection device with the cylindrical lens and cylindrical mirror or the spherical mirror provided behind the deflection device in the light path fullfills the following equations.

REFERENCES:
patent: 3469030 (1969-09-01), Priebe
patent: 3750189 (1973-07-01), Felischer
patent: 3946150 (1976-03-01), Grafton
patent: 4568982 (1986-02-01), Follett

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