WO2004045204A1 - 固体撮像装置 - Google Patents
固体撮像装置 Download PDFInfo
- Publication number
- WO2004045204A1 WO2004045204A1 PCT/JP2003/014115 JP0314115W WO2004045204A1 WO 2004045204 A1 WO2004045204 A1 WO 2004045204A1 JP 0314115 W JP0314115 W JP 0314115W WO 2004045204 A1 WO2004045204 A1 WO 2004045204A1
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- WIPO (PCT)
- Prior art keywords
- unit
- memory
- pixel
- pixel array
- conversion
- Prior art date
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- 238000003384 imaging method Methods 0.000 title claims description 27
- 239000007787 solid Substances 0.000 title abstract description 4
- 230000015654 memory Effects 0.000 claims abstract description 105
- 238000006243 chemical reaction Methods 0.000 claims abstract description 62
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000003491 array Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/14—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by means of electrically scanned solid-state devices
- H04N3/15—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by means of electrically scanned solid-state devices for picture signal generation
- H04N3/155—Control of the image-sensor operation, e.g. image processing within the image-sensor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/767—Horizontal readout lines, multiplexers or registers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
- H04N25/75—Circuitry for providing, modifying or processing image signals from the pixel array
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
- H04N25/772—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising A/D, V/T, V/F, I/T or I/F converters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/78—Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters
Definitions
- the present invention has a pixel array section in which a plurality of pixels are provided in a two-dimensional array, and a signal processing is performed by extracting a signal from each pixel of the pixel array section, for example, a solid state image sensor such as a CMOS image sensor.
- the present invention relates to an imaging apparatus.
- CMOS image sensor is manufactured using the MOS process, and unlike a CCD image sensor, an A / D conversion circuit can be mounted on-chip on the same chip provided with a pixel array.
- AD converter circuits Three types of AD converter circuits are known as on-chip.
- FIG. 6 is an explanatory diagram showing a configuration example of a CMO image sensor in which such an AD conversion circuit is mounted on-chip.
- the hatched blocks 2 0 0 A, 2 0 0 B, and 2 0 0 C in the figure show three examples of the AD converter circuit, and in the actual circuit, any one of the examples What to adopt o.
- this CMO image sensor includes a pixel array unit 2 1 0, a V selection circuit 2 2 0, a column signal processing unit 2 3 0, an H selection circuit 2 4 0, and an output unit 2 5 0. It is mounted on the chip.
- the pixel array section 210 is provided with a large number of pixels in a two-dimensional array (matrix).
- the V selection circuit 2 20 is a circuit that drives each pixel of the pixel array unit 2 10 while sequentially selecting each pixel in the vertical direction (column direction).
- the column signal processing unit 2 3 0 is provided corresponding to each pixel column of the pixel array unit 2 1 0, and receives a signal of each pixel 2 1 1 sequentially to perform processing such as fixed pattern noise removal and gain adjustment. It is.
- the H selection circuit 24 0 sequentially selects the column signal processing unit 2 3 0 in the row direction, and outputs a signal of each pixel processed by the column signal processing unit 2 3 0 to the output line 24 1. .
- the output unit 250 receives the pixel signal from the output line 241, performs final signal processing, and outputs it as an image signal.
- the A / D conversion circuit is arranged on-chip in the following three ways.
- each pixel 2 1 1 is provided with an AD conversion circuit, and AD conversion is performed for each pixel, and each pixel 2 1 1 is digitally converted.
- pixel level AD for example, US Pat. No. 5,461,42.5
- each column signal processing circuit 2 3 0 is provided with an AD conversion circuit, and AD conversion is performed for each column, and each column signal A digitized pixel signal is output from the processing circuit 230 (hereinafter referred to as column level AD) (for example, Japanese Patent No. 2 5 3 2 3).
- the arrangement example indicated by the hatched block 2 0 0 C shown in FIG. 6 is one in which an AD conversion circuit is provided in the output unit 2 5 0, and AD conversion is sequentially performed on the signal guided to the output line 24 1. And digitize outside the chip from the output 2 5 0 Output pixel signals (hereinafter referred to as chip level AD). This is equivalent to simply connecting an AD converter to an analog output device.
- Pixel level AD allows AD conversion for all pixels at the same time, so high-speed processing is possible.
- the AD conversion circuit is placed in each pixel, the scale of each pixel increases, and the pixel array section
- the aperture ratio area ratio of the photo diode in the pixel
- the column level AD is simpler and smaller than the pixel level AD, but the number of times (for example, several hundreds) depends on the number of rows to output an image for one frame. There is a drawback that it is slow because it has to do AD conversion ( ⁇ several thousand times).
- AD conversion is performed in a short time, it is necessary to increase the circuit bandwidth, resulting in increased noise.
- AD conversion processes the rows in sequence for one frame
- the time for AD conversion between the first row and the last row is shifted by one frame time. It is not suitable when you want to make it as small as possible (for example, when shooting a moving subject).
- the chip level AD has the same properties as the column level AD. In other words, the pixel becomes simple, but in order to output one frame, AD conversion must be performed a number of times (for example, hundreds of thousands to millions) according to the number of pixels. The disadvantage is that it is even slower.
- AD conversion Since the pixel signals are processed in sequence, one frame at a time, the AD conversion time between the first pixel and the last pixel is shifted by one frame time, and you want to minimize the time difference of the entire screen. Not suitable for.
- an object of the present invention is to perform AD conversion quickly and with a low burden without causing an increase in the size of the pixel array unit and the optical system, and to output a high-quality digital image signal by simultaneous AD conversion. It is an object of the present invention to provide a solid-state imaging device capable of performing the above-described process. Disclosure of the invention
- the present invention provides a pixel array unit in which a plurality of pixels are provided in a two-dimensional array, and a plurality of unit memories in a two-dimensional array corresponding to the pixel array in the pixel array unit.
- An AD memory unit provided with an AD conversion circuit in a memory, a pixel array scanning circuit that scans the pixel array unit and reads an analog signal of each pixel to the AD memory unit, and scans the AD memory unit to each unit.
- a memory scanning circuit for outputting a digital signal of the memory.
- an AD conversion circuit is provided for each unit memory of the AD memory unit corresponding to the two-dimensional array of pixel arrays, and signals read from each pixel are AD converted by the AD memory unit.
- FIG. 1 is an explanatory view showing a configuration example of a CMOS image sensor on which an AD conversion circuit according to an embodiment of the present invention is mounted on-chip.
- FIG. 2 is another example illustrating the AD conversion circuit.
- FIG. 3 is a circuit diagram showing a circuit example of the unit memory in the AD memory unit shown in FIG.
- FIG. 4 is a timing chart showing an example of driving in the AD memory unit shown in FIG.
- FIG. 5 shows a camera module type solid-state imaging device as an example of the present invention. .
- FIG. 6 is an explanatory diagram showing a configuration example of a CMO image sensor equipped with a conventional AD conversion circuit on-chip.
- FIG. 1 is an explanatory diagram showing a configuration example of a CMO image sensor in which an AD conversion circuit according to an embodiment of the present invention is mounted on-chip.
- this CMOS image sensor has a pixel array section 1 1 0, a V selection circuit 1 2 0, an AD memory section (memory block) 1 3 0, a memory V selection circuit 1 4 0, and an H selection circuit 1 5 0, span output 1 6 0 is mounted on one chip.
- the pixel array unit 110 is provided with a large number of pixels 1 1 1 in a two-dimensional array (matrix), and an analog pixel signal detected in each pixel is provided for each pixel column. Output from the output signal line (vertical signal line).
- each pixel 1 1 1, for example, a photoelectric conversion element (photodiode, etc.) and transfer for reading out the generated charge to a floating diffusion (FD) section.
- a transistor an amplifying transistor that converts the electric potential fluctuation caused by the signal charge transferred to the FD section into an electric signal and outputs it, a selection transistor that connects the output of the amplifying transistor and an output signal line (vertical signal line), It shall have a reset transistor that resets the potential of the FD section.
- the V selection circuit 120 drives the pixels of the pixel array unit 110 while sequentially selecting them in the vertical direction (column direction) in units of rows, and constitutes a pixel array scanning circuit.
- the AD memory unit 1 3 0 is configured by arranging unit memories 1 3 1 in a two-dimensional array corresponding to each pixel array of the pixel array unit 1 1 0, and is read out through the vertical signal line. Are sequentially stored, and various processes including AD conversion (for example, solid pattern noise removal and gain adjustment by CDS) are performed.
- Each unit memory 1 3 1 is composed of DRAM.
- Each unit memory 1 3 1 of the AD memory unit 1 3 0 is provided with an AD conversion circuit 1 3 2, and the analog pixel signal read from each pixel by the AD conversion circuit 1 3 2 is digitally converted. Convert to pixel signal.
- FIG. 1 shows an example in which each pixel 1 1 1 in the pixel array unit 1 1 0 corresponds to each unit memory 1 3 1 in the AD memory unit 1 3 0 on a one-to-one basis.
- a configuration in which a plurality of (N 2) pixels and one unit memory correspond N-to-1 may be used.
- a plurality of (N) pixels are sequentially processed by one unit memory.
- the unit memory is arranged in the number of columns corresponding to the number of pixel columns of the pixel array section 110 and at least two rows, the image of the full screen can be obtained as compared with the above-described conventional imaging device.
- the time required for AD conversion of the signals from the pixels for the entire screen can be shortened.
- the AD memory unit can AD-convert signals from pixels for one frame at a time. The same operation is possible even when the number of rows to be added is increased, or when the number of rows in the AD memory part is less than half of the number of rows in the pixel array part, for example other than those shown in Fig. 2. It is.
- each unit memory array of AD memory unit 130 corresponds to one image frame as it is, and AD conversion is performed in this frame unit. Call it AD.
- the memory V selection circuit 14 0 is a circuit that scans and drives each unit memory 13 1 of the AD memory unit 1 3 0 and outputs a digital pixel signal processed by each unit memory 1 3 1.
- the H selection circuit 15 50 selects the AD memory unit 13 30 sequentially in the row direction, and outputs the digital pixel signal processed by the AD memory unit 13 30 to the output line 15 1.
- the memory V selection circuit 14 0 and the H selection circuit 1 5 0 constitute a memory scanning circuit.
- the output unit 160 receives the digital pixel signal from the output line 151, performs final signal processing, and outputs it as a digital image signal outside the chip.
- the pixel signals of the pixel array unit 110 can be transferred to the AD memory unit 130 in a short time, and then the signals of all the pixels can be AD converted simultaneously. Therefore, unlike the conventional pixel level AD, the pixel does not become large due to the AD conversion circuit, and the aperture ratio does not decrease. Also, unlike the column level AD and the chip level AD, the A Since D conversion only needs to be performed once per frame, it can be processed at high speed. In addition, since individual AD conversion processing can be controlled, the bandwidth of the AD conversion circuit can be reduced and noise can be reduced.
- FIG. 3 is a circuit diagram showing a circuit example of the unit memory 1 31 in the AD memory unit 1 30 of this example
- FIG. 4 is a timing chart showing a driving example of the AD memory unit 1 3 0 of this example. It is.
- the unit memory 1 3 1 in this example takes the difference between the reset level voltage read from each pixel through the vertical signal line 1 3 3 and the signal level voltage, and removes the fixed pattern noise generated for each pixel.
- S (correlated double sampling) circuit 1 70 and the differential signal generated by this CD S circuit 1 70 are compared with the ramp wave, and the AD converter circuit 1 8 0 outputs the digital signal value (That is, the AD converter circuit 1 3 2 shown in FIG. 1).
- the reset level voltage is a voltage corresponding to a 0 level signal
- the signal level voltage that is negatively swinged in turn is output in order.
- the CD S circuit 1 70 includes switches (SW1, SW 2) 1 7 1, 1 7 2, capacitors (C 1, C 2) 1 7 3, 1 74, Differential amplifier 1 7 5.
- the AD converter circuit 180 is a configuration example having a data width of 10 bits. For each bit, a conversion transistor (T r 0 to Tr 9) 1 8 1 And a sampling capacitor 1 8 2 and an output transistor 1 8 3.
- the signal is read out row by row from the pixel array unit 110 and written into the unit memory 13 1 of the AD memory unit 130 corresponding to each pixel.
- switches 1 7 1 and 1 7 2 are turned ON during the period when the reset level is read from pixel 1 1 1 to vertical signal line 1 3 3.
- the potential on the switch 1 7 1 side of the capacitor 1 7 3 is at the reset level, but on the other side, the ramp signal supply line (ramp wiring) is connected to the + input terminal of the differential amplifier 1 7 5 1 9 Since the ramp voltage supplied by 1 is applied, when the switch 1 7 2 is turned on, one input terminal and the output terminal of the differential amplifier 1 75 are clamped to the ramp voltage.
- the switch 1 7 2 is turned off, and the signal level of the pixel is read out to the vertical signal line 1 3 3.
- one input terminal of the differential amplifier 1 75 has a negative potential fluctuation proportional to the difference between the reset level and the signal level through the capacitor 1 7 3, and the signal voltage from which the fixed pattern variation of the pixel has been removed. Will be entered.
- the ramp signal is at the high level.
- the driving clock wiring (ck wiring) 1 9 2 of transistor 1 8 1 and the driving clock wiring (word wiring) 1 9 3 of transistor 1 8 3 are both 0 w level. This operation is repeated for each row, and one frame of signal is taken into the AD memory section.
- the driving clocks c k [0] to c k [9] of the transistor 1 81 are driven to count up by 10 b i t.
- the ramp voltage is lower than the input terminal voltage of the differential amplifier 1 7 5 held at (1), the output of the differential amplifier 1 7 5 is inverted, and ck [0] ⁇ ck at that time
- the value of [9] (High / Low) is held in each capacitor 1 8 2, that is, the 10-bit AD conversion result is stored.
- the pixel signal to be read out from the AD memory section is transferred to the transistor 1
- Read from 94 Note that the reading method and the reading circuit configuration may be the same as those of a normal DRAM. It is also possible to read out one row at a time or read out only one part. Or completely random access is possible.
- CMO S image sensor without conventional frame memory Then, even if one row is simultaneously read out to the column signal processing unit, the column signal processing circuit of each column is selected in order, the signal is guided to the horizontal signal line, and the period for outputting one by one is several times to several times. Ten times more necessary, then he can move on to the next line.
- reading to the AD memory unit 130 is completed simply by reading one row at a time, so the time required for the reading is a short time of a fraction of a few to a few tens of minutes. end with.
- This means that the time lag when each row is read is shortened, so the time difference of the entire screen is reduced several times to several tens of times. If this time difference exists, the subject is distorted due to the time difference when the moving subject is photographed.
- this distortion has the effect of reducing several times to several tens of times.
- a known method of eliminating the distortion by synchronizing the exposure time with the conventional CMOS image sensor can be applied to this example.
- the AD conversion is completed in a short time because the signal for one frame is AD converted at the same time.
- reading from the AD memory unit 1 30 is access to the frame memory, there is no need for the order of each row, and the reading order is completely free.
- the pixel can be reset and the electronic shutter can be applied at an appropriate time before reading the signal of each pixel.
- the pixel circuit is a type that outputs a reset level voltage (a voltage corresponding to signal 0) and a signal level voltage that negatively swings in response to the reset level voltage. Apply to circuit Of course, it is possible.
- the AD memory unit can be modified in various ways. For example, as described above, it is possible to assign one AD conversion circuit corresponding to a plurality of pixels.
- the AD converter circuit can use a chopper comparator or a ⁇ type. It is also possible to use a SRAM type or the like as a memory instead of a DRAM type.
- the solid-state imaging device of the present invention may include a configuration other than the configuration described above.
- the imaging unit 3 0 1 is combined with the optical system 3 0 0 or the signal processing chip 3 0 2.
- a camera module type solid-state imaging device 303 may be used.
- the AD conversion circuit is provided for each unit memory of the AD memory unit corresponding to the two-dimensional array of pixel arrays, and the signal read from each pixel is stored in the AD memory. Since the AD conversion is performed by the AD converter, the AD conversion can be performed by using a two-dimensional array of AD conversion circuits, and the above-described column level AD conversion can be performed faster than the chip level AD conversion. The band of the AD converter circuit can be reduced, and a signal with less noise can be obtained.
- the pixel circuit configuration can be simplified, the aperture ratio of the pixel can be increased, and a highly sensitive pixel array section can be configured.
- the pixel signal can be read from the pixel array unit to the AD memory unit in a short time, the processing time difference within one screen can be reduced, and there is little distortion even when taking a moving subject. An image with good image quality can be obtained.
- reading from the AD memory unit is an access to the frame memory, there is no need for the order of each row, and the reading order is completely free. Furthermore, as with normal DRAM, it is possible to write another signal from the outside using the 0 1 (1 and 1 3 it lines.
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- Multimedia (AREA)
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- Computer Vision & Pattern Recognition (AREA)
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Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/534,170 US7639296B2 (en) | 2002-11-13 | 2003-11-05 | Solid state imaging apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-329727 | 2002-11-13 | ||
JP2002329727A JP4601897B2 (ja) | 2002-11-13 | 2002-11-13 | 固体撮像装置及びその駆動方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004045204A1 true WO2004045204A1 (ja) | 2004-05-27 |
Family
ID=32310578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/014115 WO2004045204A1 (ja) | 2002-11-13 | 2003-11-05 | 固体撮像装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7639296B2 (ja) |
JP (1) | JP4601897B2 (ja) |
KR (1) | KR100996662B1 (ja) |
CN (1) | CN100336382C (ja) |
TW (1) | TWI229551B (ja) |
WO (1) | WO2004045204A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101753864B (zh) * | 2008-12-17 | 2012-10-10 | 佳能株式会社 | 固态成像装置和使用该固态成像装置的成像系统 |
CN113612911A (zh) * | 2018-02-09 | 2021-11-05 | 佳能株式会社 | 成像装置、成像系统和移动体 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4492250B2 (ja) | 2004-08-11 | 2010-06-30 | ソニー株式会社 | 固体撮像素子 |
JP4589131B2 (ja) * | 2005-01-24 | 2010-12-01 | 株式会社フォトロン | 画像センサおよびその画像読み出し方法 |
JP5247007B2 (ja) | 2005-06-09 | 2013-07-24 | キヤノン株式会社 | 撮像装置及び撮像システム |
JP5340374B2 (ja) * | 2005-06-09 | 2013-11-13 | キヤノン株式会社 | 撮像装置及び撮像システム |
JP2006217658A (ja) * | 2006-04-24 | 2006-08-17 | Sony Corp | 固体撮像装置及びその駆動方法 |
JP4404074B2 (ja) * | 2006-06-30 | 2010-01-27 | ソニー株式会社 | 固体撮像装置及びデータ伝送方法並びに撮像装置 |
KR101126322B1 (ko) * | 2007-09-05 | 2012-07-12 | 가부시키가이샤 시마쓰세사쿠쇼 | 고체촬상소자 |
JP5142749B2 (ja) * | 2008-02-14 | 2013-02-13 | キヤノン株式会社 | 撮像装置、撮像装置の制御方法及び撮像システム |
CN102057671B (zh) * | 2008-06-10 | 2013-03-13 | 国立大学法人东北大学 | 固体摄像元件及其驱动方法 |
JP2010068231A (ja) | 2008-09-10 | 2010-03-25 | Toshiba Corp | アナログ信号処理回路 |
JP5365223B2 (ja) * | 2009-01-29 | 2013-12-11 | 富士通セミコンダクター株式会社 | 撮像装置、撮像装置の信号処理方法およびイメージセンサチップ |
JP2010268080A (ja) * | 2009-05-12 | 2010-11-25 | Canon Inc | 固体撮像装置 |
JP5383465B2 (ja) | 2009-12-16 | 2014-01-08 | キヤノン株式会社 | 光電変換装置、焦点検出装置及び撮像システム |
TWI462265B (zh) * | 2010-11-30 | 2014-11-21 | Ind Tech Res Inst | 影像擷取裝置 |
WO2013005389A1 (ja) * | 2011-07-01 | 2013-01-10 | パナソニック株式会社 | 固体撮像装置、固体撮像装置の駆動方法および撮像装置 |
TWI583195B (zh) | 2012-07-06 | 2017-05-11 | 新力股份有限公司 | A solid-state imaging device and a solid-state imaging device, and an electronic device |
KR102336666B1 (ko) | 2017-09-15 | 2021-12-07 | 삼성전자 주식회사 | 메모리 장치 및 이를 포함하는 메모리 시스템 |
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2002
- 2002-11-13 JP JP2002329727A patent/JP4601897B2/ja not_active Expired - Lifetime
-
2003
- 2003-11-05 WO PCT/JP2003/014115 patent/WO2004045204A1/ja active Application Filing
- 2003-11-05 CN CNB2003801032940A patent/CN100336382C/zh not_active Expired - Lifetime
- 2003-11-05 US US10/534,170 patent/US7639296B2/en active Active
- 2003-11-05 KR KR1020057007845A patent/KR100996662B1/ko active IP Right Grant
- 2003-11-11 TW TW092131540A patent/TWI229551B/zh not_active IP Right Cessation
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JPH0265380A (ja) * | 1988-08-31 | 1990-03-06 | Canon Inc | 撮像装置 |
WO1995022180A1 (en) * | 1994-02-15 | 1995-08-17 | Stanford University | Cmos image sensor with pixel level a/d conversion |
JP2001045379A (ja) * | 1999-08-02 | 2001-02-16 | Sony Corp | 画像処理装置および方法 |
JP2001054022A (ja) * | 1999-08-13 | 2001-02-23 | Nippon Hoso Kyokai <Nhk> | 固体撮像装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101753864B (zh) * | 2008-12-17 | 2012-10-10 | 佳能株式会社 | 固态成像装置和使用该固态成像装置的成像系统 |
CN113612911A (zh) * | 2018-02-09 | 2021-11-05 | 佳能株式会社 | 成像装置、成像系统和移动体 |
CN113612911B (zh) * | 2018-02-09 | 2023-08-25 | 佳能株式会社 | 成像装置、成像系统和移动体 |
US11810930B2 (en) | 2018-02-09 | 2023-11-07 | Canon Kabushiki Kaisha | Imaging device, imaging system, and moving body |
Also Published As
Publication number | Publication date |
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US20060103748A1 (en) | 2006-05-18 |
US7639296B2 (en) | 2009-12-29 |
CN1711753A (zh) | 2005-12-21 |
KR20050071658A (ko) | 2005-07-07 |
CN100336382C (zh) | 2007-09-05 |
KR100996662B1 (ko) | 2010-11-25 |
JP4601897B2 (ja) | 2010-12-22 |
TWI229551B (en) | 2005-03-11 |
JP2004165992A (ja) | 2004-06-10 |
TW200420121A (en) | 2004-10-01 |
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