Scanning type projector

Details Scanning type projector Scanning type projector

1992-11-10

1994-11-29

Sugarman, Scott J.

Optical: systems and elements

Deflection using a moving element

359649, 258474, G02B 2608

Patent

active

053695216

ABSTRACT:
A scanning type projector of a refractive optical system which has a wide field and projects with high resolution power. The scanning type projector projects an object to be projected by scanning with a predetermined scanning width, wherein the scanning type projector has an illuminating portion which illuminates the object to be projected through a circular arc region having its center on the center line of said scanning width, a refraction projecting optical system in which an aberration of the circular arc region having its center on the optical axis is corrected, and an image of the object to be projected illuminated in a circular arc shape by the illuminating portion is formed within an image plane, a light receiving member which is arranged at the plane of the object to be projected and the image, and a driving unit which relatively moves the illuminating portion and the projecting optical portion.

REFERENCES:
patent: 3748015 (1973-07-01), Offner
patent: 5255114 (1993-10-01), Kessler
Suzuki, A., "Complete Analysis of a Two-Mirror Unit Magnification System. Parts 1 and 2", Applied Optics, vold. 22, No. 24, Dec. 15, 1983, pp. 3943-3956.

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