F.theta. lens for use in light beam scanner

Details F.theta. lens for use in light beam scanner F.theta. lens for use in light beam scanner

1986-01-24

1987-11-17

Corbin, John K.

350 61, 350 68, G02B 2610, G02B 906

Patent

active

047070854

ABSTRACT:
An f.theta. lens for use in a light beam scanner for deflecting a monochromatic or quasi-monochromatic light beam. The f.theta. lens comprises two positive-meniscus lenses having concave surfaces directed to a deflection point about which the light beam is deflected. The lenses have lens surfaces having radii of curvature R1, R2, R3, R4 in order from the deflection point, and have a combined focal length f, the f.theta. lens meeting the following conditions: ##EQU1##

REFERENCES:
patent: 3045545 (1962-07-01), Korones et al.
patent: 3973833 (1976-08-01), Lawson
patent: 4179183 (1979-12-01), Tateoka et al.
patent: 4269478 (1981-05-01), Maeda et al.
patent: 4277128 (1981-07-01), Kawamura
patent: 4343531 (1982-08-01), Tateoka et al.
patent: 4353617 (1982-10-01), Tokumitsu et al.
patent: 4357627 (1982-11-01), Johnson
patent: 4390235 (1983-06-01), Minoura
patent: 4400063 (1983-08-01), Hayashida
patent: 4401362 (1983-08-01), Maeda
patent: 4436383 (1984-03-01), Maeda
patent: 4496209 (1985-01-01), Itoh et al.
patent: 4497548 (1985-02-01), Burris
patent: 4571035 (1986-02-01), Sakuma
How to Select Acousto-Optic Modulators, Barry Grossman, Harris Corporation, Government Communications System Division.

Affiliated with

Also associated with

Rating

F.theta. lens for use in light beam scanner does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with F.theta. lens for use in light beam scanner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and F.theta. lens for use in light beam scanner will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1446625