Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2006-03-28
2006-03-28
Porta, David (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C250S208100, C348S275000
Reexamination Certificate
active
07019279
ABSTRACT:
A solid-state image sensor includes a photosensitive array capturing an optical image representative of a desired scene. The photosensitive array includes photo-sensors arranged in a direction of row and a direction of column, and microlenses each causing incident light to converge to the corresponding photo-sensor. Each photo-sensor corresponds to a particular pixel included in the photosensitive array. Each photo-sensor is made up of a higher- and a lower-sensitivity photosensitive cell for photoelectrically transducing incident light to electric signal charges. Each photo-sensor includes a primary and a secondary photosensitive cell respectively having higher-sensitivity and lower-sensitivity for photoelectrically transducing the incident light. Each microlens has its optical center shifted from the center of the corresponding photo-sensor toward the center of the photosensitive array.
REFERENCES:
patent: 5610390 (1997-03-01), Miyano
patent: 6777661 (2004-08-01), Summa et al.
patent: 6831692 (2004-12-01), Oda
patent: 6850277 (2005-02-01), Misawa
patent: 2004/0125226 (2004-07-01), Kubo
Kobayashi Hirokazu
Oda Kazuya
Birch & Stewart Kolasch & Birch, LLP
Fuji Photo Film Co. , Ltd.
Lee Patrick J.
Porta David
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