Image pick-up apparatus with curvature-of-field correction

Details Image pick-up apparatus with curvature-of-field correction Image pick-up apparatus with curvature-of-field correction

2006-07-04

2006-07-04

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Lens

Spherical

Reexamination Certificate

active

07072120

ABSTRACT:
An image pick-up apparatus includes an object lens, an image transmission device, and an image-sensing device. The object lens projects an image of an object to be picked-up. The image transmission device has an image-receiving side disposed to receive the image projected by the object lens, an image output side, and an image-transmitting portion coupled optically with the image-receiving side and the image output side. The image-receiving side has a curvature corresponding to curvature-of-field characteristics of the object lens so as to enable correction of aberrations introduced by the object lens into the image projected by the object lens. The image-sensing device is coupled optically with the image output side of the image transmission device for sensing a corrected image of the object to be picked-up that is provided by the image transmission device at the image output side.

REFERENCES:
patent: 4467361 (1984-08-01), Ohno et al.
patent: 5103749 (1992-04-01), Geisselmann et al.
patent: 2004/0227845 (2004-11-01), Kawai

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