Use of a lenslet array with a vertically stacked pixel array

Details Use of a lenslet array with a vertically stacked pixel array Use of a lenslet array with a vertically stacked pixel array

2005-10-25

2005-10-25

Epps, Georgia (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C257S294000, C349S095000, C438S070000

Reexamination Certificate

active

06958862

ABSTRACT:
An improved optical imaging system includes a vertically stacked pixel array and a lenslet array for capturing images while minimizing the focal length. The vertically stacked pixel array is configured to operate as an image sensor. The lenslet array is configure to focus the image on the image sensor. Each lens of the lenslet array focuses an image on a sub-array of the image sensor. Each sub-array is shifted from one another so that additional data obtained for each equivalent pixel in each sub-array. An image is obtained by combining the data of each sub-array.

REFERENCES:
patent: 4878121 (1989-10-01), Hynecek
patent: 5965875 (1999-10-01), Merrill
patent: 6252218 (2001-06-01), Chou
patent: 6801719 (2004-10-01), Szajewski et al.
“A Primer on Photodiode Technology,” Photodiode Technology, at http:/www.centrovision.com/tech2.htm, Feb. 24, 2003, pp. 1-13.

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