Color linear sensor

Details Color linear sensor Color linear sensor

1996-05-01

1999-10-26

Lee, Michael H.

Television

Camera, system and detail

Solid-state image sensor

348241, 348272, 348248, 358513, 2502081, H04N 314, H04N 5335

Patent

active

059737360

ABSTRACT:
The present invention is directed to a color linear sensor of a simple structure which can accurately measure a degree of a color mixture in a sensor section. In a color linear sensor having a dot-sequential sensor array (1), only one pixel of a predetermined color (R) in a reference pixel region (3) is allowed to receive an incident light. Then, a degree of color mixture is estimated by calculating a level difference between a signal output of this pixel and a signal output of a pixel of the same color as that of the former pixel in an effective pixel region (2). Also, the present invention is to provide a color linear sensor which can prevent sensors from being displaced from each other in position, simplify a configuration of an external circuit and which can prevent a color mixture from being caused by signal charges deteriorated after they are transferred by a transfer register. In a color linear sensor having a dot-sequential sensor array (1), read-out gates (22, 24) are formed as two-stage configuration for sequentially reading out signal charges from respective sensors (1R), (1G), (1B) of the dot-sequential sensor array (1) to a CCD register (23) at the unit of pixels, thereby to sequentially output signal charges of one line at every color in a line-sequential fashion.

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IEEE Transactions on Consumer Electronics, vol. 37, (1191) Aug., No. 3, New York, "A CCD Color Linear Image Sensor Employing New Transfer Method", Kawamoto et al., pp. 481-486.
IEEE Transactions on Consumer Electronics, "A CCD Color Linear Image Sensor Employing New Transfer Method", Jun. 5, 1991, Illinois, pp. 150-151.
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IEEE 1991 International Conference on Consumer Electronics, pp. 150-151, Kawamoto et al. "A CCD Color Linear Image Sensor Employing New Transfer Method".
IEEE Transactions on Consumer Electronics, vol. 37, No. 3, Aug. 1991, pp. 481-486, Kawamoto et al., "A CCD Color Linear Image Sensor Employing New Transfer Method".

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