Linear image sensor
View Patent ↗A linear image sensor, comprises a first and second gate/shutter arrays in which a plurality of the read gates and of the shutter structure sections are alternately disposed, a light-receiving element array which is disposed between the first and second gate/shutter arrays and in which a plurality of the light-receiving elements are arranged in line, a first charge transfer section which transfers a signal charge which is read out through the read gate of the first gate/shutter array, and a second charge transfer section which transfers a signal charge which is read out through the read gate of the second gate/shutter array.
1. A linear image sensor, comprising:
a read gate which reads out a signal charge of a light-receiving element;
a shutter structure section which controls an accumulated charge of the light-receiving element;
a first gate/shutter array in which a plurality of the read gates and of the shutter structure sections are alternately disposed;
a second gate/shutter array in which the read gates and the shutter structure sections are alternately disposed in the order that is different from the order in the first gate/shutter array;
a light-receiving element array which is disposed between the first and second gate/shutter arrays and in which a plurality of the light-receiving elements are arranged in line;
a first charge transfer section which transfers a signal charge which is read out through the read gate of the first gate/shutter array; and
a second charge transfer section which transfers a signal charge which is read out through the read gate of the second gate/shutter array.
2. The linear image sensor according to claim 1 , wherein the shutter structure section has a shutter gate and a shutter drain, and controls accumulated charges of the light-receiving element array on the basis of a shutter signal provided to the shutter gate.
3. The linear image sensor according to claim 1 , wherein the read gate is supplied with a read signal, the shutter structure section controls the accumulated charge in response to a shutter control signal and read signal and the read signal is different from the shutter control signal.
4. A color linear image sensor, comprising:
a first linear image sensor, the first linear image sensor comprising,
a first gate/shutter array in which a plurality of read gates and of shutter structure sections are alternately disposed,
a second gate/shutter array in which the read gates and the shutter structure sections are alternately disposed in the order that is different from the order in the first gate/shutter array,
a light-receiving element array which is disposed between the first and second gate/shutter arrays and in which a plurality of the light-receiving elements are arranged in line,
a first charge transfer section which transfers a signal charge which is read out through the read gate of the first gate/shutter array, and
a second charge transfer section which transfers a signal charge which is read out through the read gate of the second gate/shutter array; and
a second linear image sensor, the second linear image sensor comprising,
a third gate/shutter array in which a plurality of the read gates and of the shutter structure sections are alternately disposed,
a fourth gate/shutter array in which the read gates and the shutter structure sections are alternately disposed in the order that is different from the order in the third gate/shutter array,
a light-receiving element array which is disposed between the third and fourth gate/shutter arrays and in which a plurality of the light-receiving elements are arranged in line,
a third charge transfer section which transfers a signal charge which is read out through the read gate of the third gate/shutter array, and
a fourth charge transfer section which transfers a signal charge which is read out through the read gate of the fourth gate/shutter array;
wherein the shutter structure sections of the first linear image sensor is controlled based on a first shutter signal, and the shutter structure sections of the second linear image sensor is controlled based on a second shutter signal.
5. The color linear image sensor according to claim 4 , further comprising:
a first color filter disposed over the first linear image sensor; and
a second color filter disposed over the second linear image sensor.
6. The color linear image sensor according to claim 5 , wherein a color of the second color filter is different from that of the first color filter.
7. The color linear image sensor according to claim 5 , wherein each of the first and second shutter signals is set in association with each characteristics of the first and second color filters.
8. A color linear image sensor, comprising:
a first linear image sensor, the first linear image sensor comprising,
a first gate/shutter array in which a plurality of read gates and of shutter structure sections are alternately disposed,
a second gate/shutter array in which the read gates and the shutter structure sections are alternately disposed in the order that is different from the order in the first gate/shutter array,
a first light-receiving element array which is disposed between the first and second gate/shutter arrays and in which a plurality of the light-receiving elements are arranged in line,
a first charge transfer section which transfers a signal charge which is read out through the read gate of the first gate/shutter array, and
a second charge transfer section which transfers a signal charge which is read out through the read gate of the second gate/shutter array; and
a second linear image sensor, the second linear image sensor comprising,
a second light-receiving element array in which a plurality of the light-receiving elements are arranged in line,
a third and fourth charge transfer sections disposed at one side of the second light-receiving element array, and
a shutter structure sections disposed at opposite side of the third and fourth charge transfer sections.
9. The color linear image sensor according to claim 8 , wherein the shutter sections of the second linear image sensor is disposed between the first linear image sensor and the second linear image sensor.
10. The color linear image sensor according to claim 8 , further comprising:
a third linear image sensor, the third linear image sensor comprising,
a third light-receiving element array in which a plurality of the light-receiving elements are arranged in line,
a fifth and sixth charge transfer sections disposed at one side of the third light-receiving element array, and
a shutter structure sections disposed at opposite side of the fifth and sixth charge transfer sections.
11. The color linear image sensor according to claim 8 , wherein the shutter structure sections of the first linear image sensor is controlled based on a first shutter signal, and the shutter structure sections of the second linear image sensor is controlled based on a second shutter signal.
12. The color linear image sensor according to claim 10 , wherein the shutter structure sections of the first linear image sensor is controlled based on a first shutter signal, the shutter structure sections of the second linear image sensor is controlled based on a second shutter signal, and the shutter structure sections of the third linear image sensor is controlled based on a third shutter signal.