Solid state image sensor and video system using the same
First Claim
1. A solid state image sensor controlled by a command signal, comprising:
- an area sensor having pixels arranged two-dimensionally;
an interface configured to receive the command signal;
a selector configured to select one of a plurality of readout schemes of reading out a pixel signal from the area sensor in accordance with the command signal from the interface;
a scanner configured to scan the area sensor in accordance with the scheme selected by the selector, to read out the pixel signal from the area sensor;
an analog signal processor configured to subject the pixel signal to signal processing and output a processed signal;
an analog-to-digital converter configured to convert the processed signal into a digital signal; and
a digital signal processor configured to convert the digital signal into the digital video signal having a predetermined signal format;
wherein said area sensor, said selector, said scanner, said analog signal processor, said analog-to-digital converter, said digital signal processor, and said interface are mounted on a single chip.
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Abstract
A solid state image sensor includes an area sensor section having photoelectric conversion pixels arranged in the form of a matrix, a pixel selection section for selecting a pixel of the area sensor section and reading out a video signal, an analog signal processor section for performing signal processing for the video signal, an analog-digital conversion section for converting the processed signal into a digital signal, a digital signal processor section for performing signal processing to convert the digital signal into a digital signal having a predetermined signal format, and an interface section which operates in accordance with an external command, and has the function of selecting a video signal obtained by digitizing a pixel or a signal obtained by performing processing for the luminance and color difference signals of the video signal. These sections are mounted on a single chip.
76 Citations
14 Claims
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1. A solid state image sensor controlled by a command signal, comprising:
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an area sensor having pixels arranged two-dimensionally;
an interface configured to receive the command signal;
a selector configured to select one of a plurality of readout schemes of reading out a pixel signal from the area sensor in accordance with the command signal from the interface;
a scanner configured to scan the area sensor in accordance with the scheme selected by the selector, to read out the pixel signal from the area sensor;
an analog signal processor configured to subject the pixel signal to signal processing and output a processed signal;
an analog-to-digital converter configured to convert the processed signal into a digital signal; and
a digital signal processor configured to convert the digital signal into the digital video signal having a predetermined signal format;
wherein said area sensor, said selector, said scanner, said analog signal processor, said analog-to-digital converter, said digital signal processor, and said interface are mounted on a single chip. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
a visual processing unit configured to perform visual information processing by using at least one of the digital video signal, the pixel signal, a status signal of said solid state image sensor, and characteristic information of said solid state image sensor.
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14. A video system comprising:
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a solid image sensor according to claim 1; and
a camera-shake compensation device configured to detect camera-shake to obtain a camera shake signal, and to cancel a camera-shake component by arithmetically processing the camera-shake signal and a motion vector signal output from said solid state image sensor.
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Specification
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- Resources
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Current AssigneeKabushiki Kaisha Toshiba (Toshiba Corporation)
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Original AssigneeKabushiki Kaisha Toshiba (Toshiba Corporation)
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InventorsSuu, Hiroshi, Umeda, Masafumi
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Primary Examiner(s)HO, TUAN V
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Application NumberUS09/016,417Time in Patent Office1,691 DaysField of SearchH04/N.5335, 348/294, 348/302, 348/303, 348/304, 348/308, 348/309, 348/222, 348/311, 348/312, 348/313, 348/314, 348/220, 257/723, 257/724, 250/208.1US Class Current348/294CPC Class CodesH04N 25/76 Addressed sensors, e.g. MOS...
