Beam scanning apparatus, for providing tilt correction to a rota

Details Beam scanning apparatus, for providing tilt correction to a rota Beam scanning apparatus, for providing tilt correction to a rota

1994-06-17

1998-06-23

Fuller, Benjamin R.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347259, 347260, B41J 247, G01D 1534, G02B 2600, G02B 2700

Patent

active

057710627

ABSTRACT:
The improved beam scanning apparatus has an optical element that is driven to rotate by means of a drive means so as to be capable of continuous angular displacement with respect to the beam from a light source. The optical element deflects the incident beam so that it is focused to form image on the image plane. It is provided with an entrance face, a reflecting face and an exit face which have their shape specified in such a way as to achieve effective correction of aberration, provide higher resolution, and reduce the size and cost of the apparatus.

REFERENCES:
patent: 3614194 (1971-10-01), Harris
patent: 4514050 (1985-04-01), Stites
patent: 4853709 (1989-08-01), Stein et al.
patent: 4919499 (1990-04-01), Aiba
patent: 5208456 (1993-05-01), Appel et al.
Sprague, Robert A., et al. Laser Focus Electro Optics; "Advances In Laser and E-O Printing Technology." Oct. 1983.

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