CN112565635A - Multi-mode space optical camera with on-orbit reconstruction - Google Patents
Multi-mode space optical camera with on-orbit reconstruction Download PDFInfo
- Publication number
- CN112565635A CN112565635A CN202011376710.6A CN202011376710A CN112565635A CN 112565635 A CN112565635 A CN 112565635A CN 202011376710 A CN202011376710 A CN 202011376710A CN 112565635 A CN112565635 A CN 112565635A
- Authority
- CN
- China
- Prior art keywords
- module
- imaging
- image sensor
- optical camera
- digital domain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/50—Control of the SSIS exposure
- H04N25/53—Control of the integration time
- H04N25/533—Control of the integration time by using differing integration times for different sensor regions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- 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
- H04N25/701—Line sensors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color Television Image Signal Generators (AREA)
Abstract
The invention relates to an on-orbit reconstruction multi-mode space optical camera. The invention relates to the technical field of multi-mode space optical imaging, and the camera comprises an image sensor component, a digital processing unit and a memory; the digital processing unit comprises a time sequence driving module, a selection module, a communication control module, a data receiving module, a digital domain TDI module and an image frame group module; the invention is used for multi-mode space optical imaging, and can realize multiple imaging modes such as push-broom, video, noctilucence and the like on the same set of imaging system hardware through software reconstruction. The most advantage of integrating multiple imaging modes in other single versions is that different imaging modes can monopolize all resources of the FPGA, the time sequence convergence of the whole configuration item cannot be influenced by the increase of the modes, theoretically, various imaging modes can be realized only by expanding the capacity of a memory, and the function of the optical camera has the advantage of software definition.
Description
Technical Field
The invention relates to the technical field of multi-mode space optical imaging, in particular to an on-orbit reconstruction multi-mode space optical camera.
Background
Visible light space optical cameras are distinguished according to imaging modes, and generally comprise a linear array camera and an area array camera, wherein the linear array camera realizes linear array scanning imaging on the ground by utilizing the ground relative motion of a low-orbit satellite, and for a high-resolution camera, long-time exposure can be realized by a Time Delay Integration (TDI) technology; the area-array camera is mainly used in the fields with low image shift speed, such as static orbit area-array imaging or low-orbit staring area-array imaging, and the like, so as to realize long-time exposure. Due to the limitation of the characteristics of the sensor, only one mode can be realized by a single camera in the prior art, and the compatibility of the two modes is difficult to realize.
Disclosure of Invention
The invention provides a multi-mode space optical camera with in-orbit reconstruction, which mainly aims to realize various modes of linear array color push-broom, linear array luminous push-broom, area array staring video, area array staring luminous and the like in a single camera and realize all-day multi-mode imaging of a visible light camera, and the invention provides the following technical scheme:
an in-orbit reconstructed multi-mode spatial optical camera, the camera comprising an image sensor component, a digital processing unit and a memory;
the digital processing unit comprises a time sequence driving module, a selection module, a communication control module, a data receiving module, a digital domain TDI module and an image frame group module;
the time sequence driving module drives the image sensor assembly, the selection module is used for selecting different processes in the memory to realize different working modes, the data receiving module receives image data of the image sensor assembly, the communication control module receives an upper computer control instruction and returns telemetering parameters, the digital domain TDI module is used for enabling the digital domain TDI integral equivalent exposure time to reach hundred milliseconds, and the image frame group module is used for imaging.
Preferably, the image sensor assembly comprises a multi-spectral filter and a planar array image sensor.
Preferably, the area array image sensor adopts a high-speed area array CMOS image sensor to realize multispectral imaging of five spectral bands.
Preferably, the memory stores a guiding process, a multispectral push-broom process, a video imaging process and a noctilucent imaging process.
Preferably, the digital processing unit adopts an FPGA, and each mode monopolizes all hardware resources of the FPGA through a workflow switching mechanism.
Preferably, the bootstrap process calls a selection module and a communication control module; and when the communication control module receives a flow switching instruction, the selection module guides a start address corresponding to the flow mapping to be loaded into the FPGA to realize mode switching.
Preferably, the multispectral push-broom process calls a time sequence driving module, a data receiving module, a digital domain TDI module, a communication control module and an image frame group module;
the multispectral push-broom process realizes discrete multi-window windowing driving, digital domain delay integral accumulation with adjustable multi-spectral segment series, telemetering remote control communication and image data frame formatting and sending of the image sensor, and TDI push-broom imaging of a plurality of spectral segments is realized on the high-speed area array CMOS image sensor.
Preferably, the video imaging process calls a time sequence driving module, a data receiving module, a digital domain TDI module, a communication control module and an image frame group module;
the video imaging process realizes large-area array full-open window driving of the image sensor, caching and data stream arrangement of large-area array large-area images, telemetering remote control communication and image data frame formatting and sending, and is used for large-area array video imaging.
Preferably, the noctilucent imaging process calls a time sequence driving module, a data receiving module, a digital domain TDI module, a communication control module and an image frame group module;
the noctilucent imaging process realizes single-line-array high-series windowing driving of the image sensor, digital domain delay integral accumulation with adjustable high-series number, telemetering remote control communication and image data frame formatting and sending, and is used for noctilucent high-series digital domain TDI imaging.
The invention has the following beneficial effects:
the invention is used for multi-mode space optical imaging, and can realize multiple imaging modes such as push-broom, video, noctilucence and the like on the same set of imaging system hardware through software reconstruction. The most advantage of integrating multiple imaging modes in other single versions is that different imaging modes can monopolize all resources of the FPGA, the time sequence convergence of the whole configuration item cannot be influenced by the increase of the modes, theoretically, various imaging modes can be realized only by expanding the capacity of a memory, and the function of the optical camera has the advantage of software definition.
Drawings
FIG. 1 is a schematic diagram of an in-orbit reconstructed multimode spatial optical camera configuration;
FIG. 2 is a schematic view of multi-mode windowing;
fig. 3 is a memory schematic.
Detailed Description
The present invention will be described in detail with reference to specific examples.
The first embodiment is as follows:
referring to fig. 1 to 3, the present invention provides an on-track reconfigurable multimode spatial optical camera, specifically:
an in-orbit reconstructed multi-mode spatial optical camera, the camera comprising an image sensor component, a digital processing unit and a memory;
the digital processing unit comprises a time sequence driving module, a selection module, a communication control module, a data receiving module, a digital domain TDI module and an image frame group module;
the time sequence driving module drives the image sensor assembly, the selection module is used for selecting different processes in the memory to realize different working modes, the data receiving module receives image data of the image sensor assembly, the communication control module receives an upper computer control instruction and returns telemetering parameters, the digital domain TDI module is used for enabling the digital domain TDI integral equivalent exposure time to reach hundred milliseconds, and the image frame group module is used for imaging. The image sensor assembly comprises a multi-spectral filter and a planar array image sensor, and can realize three service modes of multispectral push-scanning, panchromatic video and panchromatic noctilucence.
The multi-mode windowing method is characterized in that different windowing modes are realized on an image sensor assembly consisting of the same sensor and a color filter by modifying control logic of the image sensor, and three windowing modes of multispectral push-scanning, panchromatic video and panchromatic noctilucence are realized. In the multispectral push-broom mode, small windowing is adopted in five spectral band regions of panchromatic, RGB and near infrared to realize digital domain time delay integration, the number of windowing lines is matched with the number of integration stages, the total number of windowing lines is greatly reduced, the frame period is shortened to hundred microseconds, and the method can be used for sub-meter-level high-resolution color push-broom imaging; under a full-color video mode, a window as large as possible is opened in the range of a full-color spectrum band, the staring attitude of a satellite is matched, the exposure time can reach several milliseconds, and large-area-array video imaging is realized; under the full-color noctilucent mode, the windowing line is set to be the medium-sized windowing size of hundreds of lines, high-level digital domain TDI integration is achieved by using a high-capacity cache of a digital processing part, and the equivalent exposure time reaches the level of hundreds of milliseconds.
The storage device stores a guide flow, a multispectral push-broom flow, a video imaging flow and a noctilucent imaging flow.
The digital processing unit adopts an FPGA, and each mode monopolizes all hardware resources of the FPGA through a work flow switching mechanism.
The guide flow calls a selection module and a communication control module; and when the communication control module receives a flow switching instruction, the selection module guides a start address corresponding to the flow mapping to be loaded into the FPGA to realize mode switching.
The multispectral push-broom process calls a time sequence driving module, a data receiving module, a digital domain TDI module, a communication control module and an image frame group module;
the multispectral push-broom process realizes discrete multi-window windowing driving, digital domain delay integral accumulation with adjustable multi-spectral segment series, telemetering remote control communication and image data frame formatting and sending of the image sensor, and TDI push-broom imaging of a plurality of spectral segments is realized on the high-speed area array CMOS image sensor.
The video imaging process calls a time sequence driving module, a data receiving module, a digital domain TDI module, a communication control module and an image frame group module;
the video imaging process realizes large-area array full-open window driving of the image sensor, caching and data stream arrangement of large-area array large-area images, telemetering remote control communication and image data frame formatting and sending, and is used for large-area array video imaging.
The noctilucent imaging process calls a time sequence driving module, a data receiving module, a digital domain TDI module, a communication control module and an image frame group module;
the noctilucent imaging process realizes single-line-array high-series windowing driving of the image sensor, digital domain delay integral accumulation with adjustable high-series number, telemetering remote control communication and image data frame formatting and sending, and is used for noctilucent high-series digital domain TDI imaging.
Three different imaging modes are realized by online switching, and FPGA hardware resources of the digital processing unit are multiplexed. The present invention utilizes the function of the multi-version program memory in the market to realize the storage and the switching of the software configuration items of different imaging modes, thereby realizing the software definition of the optical camera function. And after the power is on, a guide flow is automatically loaded, the FPGA in the digital processing unit generates a version switching signal through a version switching instruction, and a specified software module is loaded to complete the switching of the imaging mode.
The area array image sensor adopts a high-speed area array CMOS image sensor to realize multispectral imaging of five spectral bands. By adopting a certain type high-speed area array CMOS image sensor, a Xilinx K7 FPGA and an MCF256P multi-version memory, five-spectrum multispectral imaging (panchromatic + red green blue + near infrared) is realized, a gazing video of 9344 pixels multiplied by 4096 pixels and an integration level reach 200 levels, the equivalent exposure time reaches panchromatic noctilucent remote sensing imaging of more than 100ms, and the multi-mode and all-day imaging capability of the visible light camera is realized. When the program file is written, writing is carried out according to the planned version flow initial address, and the mutual independence of flow address spaces is ensured;
the three imaging modes have huge expenditure on the cache resources of the FPGA, the traditional method cannot carry out multi-mode integration, and each mode can completely occupy the hardware resources of the FPGA without conflict through time-sharing version switching, so that the problem of preemption of the hardware resources among the modes is solved.
The above description is only a preferred embodiment of the on-rail reconfigurable multi-mode spatial optical camera, and the protection scope of the on-rail reconfigurable multi-mode spatial optical camera is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea belong to the protection scope of the present invention. It should be noted that modifications and variations which do not depart from the gist of the invention will be those skilled in the art to which the invention pertains and which are intended to be within the scope of the invention.
Claims (9)
1. An in-orbit reconfigurable multi-mode spatial optical camera, characterized by: the camera includes an image sensor assembly, a digital processing unit, and a memory;
the digital processing unit comprises a time sequence driving module, a selection module, a communication control module, a data receiving module, a digital domain TDI module and an image frame group module;
the time sequence driving module drives the image sensor assembly, the selection module is used for selecting different processes in the memory to realize different working modes, the data receiving module receives image data of the image sensor assembly, the communication control module receives an upper computer control instruction and returns telemetering parameters, the digital domain TDI module is used for enabling the digital domain TDI integral equivalent exposure time to reach hundred milliseconds, and the image frame group module is used for imaging.
2. An in-orbit reconfigurable multi-mode spatial optical camera as claimed in claim 1 wherein: the image sensor assembly includes a multi-spectral filter and a planar array image sensor.
3. An in-orbit reconfigurable multi-mode spatial optical camera as claimed in claim 2 wherein: the area array image sensor adopts a high-speed area array CMOS image sensor to realize multispectral imaging of five spectral bands.
4. An in-orbit reconfigurable multi-mode spatial optical camera as claimed in claim 1 wherein: the storage device stores a guide flow, a multispectral push-broom flow, a video imaging flow and a noctilucent imaging flow.
5. An in-orbit reconfigurable multi-mode spatial optical camera as claimed in claim 1 wherein: the digital processing unit adopts an FPGA, and each mode monopolizes all hardware resources of the FPGA through a work flow switching mechanism.
6. An in-orbit reconfigurable multi-mode spatial optical camera as claimed in claim 4 wherein: the guide flow calls a selection module and a communication control module; and when the communication control module receives a flow switching instruction, the selection module guides a start address corresponding to the flow mapping to be loaded into the FPGA to realize mode switching.
7. An in-orbit reconfigurable multi-mode spatial optical camera as claimed in claim 4 wherein: the multispectral push-broom process calls a time sequence driving module, a data receiving module, a digital domain TDI module, a communication control module and an image frame group module;
the multispectral push-broom process realizes discrete multi-window windowing driving, digital domain delay integral accumulation with adjustable multi-spectral segment series, telemetering remote control communication and image data frame formatting and sending of the image sensor, and TDI push-broom imaging of a plurality of spectral segments is realized on the high-speed area array CMOS image sensor.
8. An in-orbit reconfigurable multi-mode spatial optical camera as claimed in claim 4 wherein: the video imaging process calls a time sequence driving module, a data receiving module, a digital domain TDI module, a communication control module and an image frame group module;
the video imaging process realizes large-area array full-open window driving of the image sensor, caching and data stream arrangement of large-area array large-area images, telemetering remote control communication and image data frame formatting and sending, and is used for large-area array video imaging.
9. An in-orbit reconfigurable multi-mode spatial optical camera as claimed in claim 4 wherein: the noctilucent imaging process calls a time sequence driving module, a data receiving module, a digital domain TDI module, a communication control module and an image frame group module;
the noctilucent imaging process realizes single-line-array high-series windowing driving of the image sensor, digital domain delay integral accumulation with adjustable high-series number, telemetering remote control communication and image data frame formatting and sending, and is used for noctilucent high-series digital domain TDI imaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011376710.6A CN112565635B (en) | 2020-11-30 | 2020-11-30 | Multi-mode space optical camera with on-orbit reconstruction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011376710.6A CN112565635B (en) | 2020-11-30 | 2020-11-30 | Multi-mode space optical camera with on-orbit reconstruction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112565635A true CN112565635A (en) | 2021-03-26 |
| CN112565635B CN112565635B (en) | 2022-01-07 |
Family
ID=75046719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011376710.6A Active CN112565635B (en) | 2020-11-30 | 2020-11-30 | Multi-mode space optical camera with on-orbit reconstruction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112565635B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141452A (en) * | 2021-04-19 | 2021-07-20 | 中国科学院长春光学精密机械与物理研究所 | Multi-mode multi-spectral-band integrated space remote sensing imaging unit |
| CN116782046A (en) * | 2023-06-26 | 2023-09-19 | 北京空间机电研究所 | Imaging resolution configurable multi-band TDI-CMOS image sensor |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030193589A1 (en) * | 2002-04-08 | 2003-10-16 | Lareau Andre G. | Multispectral or hyperspectral imaging system and method for tactical reconnaissance |
| KR20130143454A (en) * | 2012-06-21 | 2013-12-31 | 삼성전자주식회사 | Image forming apparatus and method of controlling the same |
| CN104949676A (en) * | 2015-05-20 | 2015-09-30 | 苏州科技学院 | Drift scanning camera synchronous satellite real-time orbit determination device |
| US20160014360A1 (en) * | 2014-07-11 | 2016-01-14 | Imperx, Inc. | Area scan interline transfer ccd imaging device and apparatus with tdi scanning mode |
| CN107277384A (en) * | 2017-05-19 | 2017-10-20 | 中国科学院长春光学精密机械与物理研究所 | High-resolution video satellite imaging equipment |
| CN108833751A (en) * | 2018-06-28 | 2018-11-16 | 北京大恒图像视觉有限公司 | High frame per second linear array industrial camera and its implementation based on array image sensor |
| CN108896178A (en) * | 2018-05-29 | 2018-11-27 | 中国科学院光电研究院 | A kind of multiplexing multi-spectral imager |
| CN109443537A (en) * | 2019-01-09 | 2019-03-08 | 中国科学院长春光学精密机械与物理研究所 | A kind of optical spectrum imagers based on multiple image planes |
| CN109640012A (en) * | 2018-12-05 | 2019-04-16 | 中国科学院长春光学精密机械与物理研究所 | A kind of multispectral TDI imaging method and device |
| CN110132415A (en) * | 2019-05-29 | 2019-08-16 | 中国科学院长春光学精密机械与物理研究所 | Pixel grade multi-channel filter and the tunable video hyperspectral imager of pixel grade |
| CN110740233A (en) * | 2019-09-21 | 2020-01-31 | 苏州维赛智芯体育科技有限公司 | end point camera timing system based on area array and linear array function switching |
-
2020
- 2020-11-30 CN CN202011376710.6A patent/CN112565635B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030193589A1 (en) * | 2002-04-08 | 2003-10-16 | Lareau Andre G. | Multispectral or hyperspectral imaging system and method for tactical reconnaissance |
| KR20130143454A (en) * | 2012-06-21 | 2013-12-31 | 삼성전자주식회사 | Image forming apparatus and method of controlling the same |
| US20160014360A1 (en) * | 2014-07-11 | 2016-01-14 | Imperx, Inc. | Area scan interline transfer ccd imaging device and apparatus with tdi scanning mode |
| CN104949676A (en) * | 2015-05-20 | 2015-09-30 | 苏州科技学院 | Drift scanning camera synchronous satellite real-time orbit determination device |
| CN107277384A (en) * | 2017-05-19 | 2017-10-20 | 中国科学院长春光学精密机械与物理研究所 | High-resolution video satellite imaging equipment |
| CN108896178A (en) * | 2018-05-29 | 2018-11-27 | 中国科学院光电研究院 | A kind of multiplexing multi-spectral imager |
| CN108833751A (en) * | 2018-06-28 | 2018-11-16 | 北京大恒图像视觉有限公司 | High frame per second linear array industrial camera and its implementation based on array image sensor |
| CN109640012A (en) * | 2018-12-05 | 2019-04-16 | 中国科学院长春光学精密机械与物理研究所 | A kind of multispectral TDI imaging method and device |
| CN109443537A (en) * | 2019-01-09 | 2019-03-08 | 中国科学院长春光学精密机械与物理研究所 | A kind of optical spectrum imagers based on multiple image planes |
| CN110132415A (en) * | 2019-05-29 | 2019-08-16 | 中国科学院长春光学精密机械与物理研究所 | Pixel grade multi-channel filter and the tunable video hyperspectral imager of pixel grade |
| CN110740233A (en) * | 2019-09-21 | 2020-01-31 | 苏州维赛智芯体育科技有限公司 | end point camera timing system based on area array and linear array function switching |
Non-Patent Citations (2)
| Title |
|---|
| 张恒等: "紫外遥感仪器高速CMOS成像电子学系统", 《光学精密工程》 * |
| 王亚敏: "敏捷卫星灵巧多模式成像设计与研究", 《中国科学院大学博士论文》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141452A (en) * | 2021-04-19 | 2021-07-20 | 中国科学院长春光学精密机械与物理研究所 | Multi-mode multi-spectral-band integrated space remote sensing imaging unit |
| CN116782046A (en) * | 2023-06-26 | 2023-09-19 | 北京空间机电研究所 | Imaging resolution configurable multi-band TDI-CMOS image sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112565635B (en) | 2022-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112565635B (en) | Multi-mode space optical camera with on-orbit reconstruction | |
| US10785461B2 (en) | YCbCr pulsed illumination scheme in a light deficient environment | |
| US10257447B2 (en) | Imaging method, imaging device, and electronic device | |
| CN109074774B (en) | Foveated rendered display | |
| US10019780B2 (en) | Data transfer method, data transfer module, related display panel and method for driving the same, and related display device | |
| US6524237B1 (en) | Method and apparatus for using non-coherent optical bundles for image transmission | |
| CN106341628A (en) | Image Sensor Having Wide Dynamic Range, Pixel Circuit Of The Image Sensor, And Operating Method Of The Image Sensor | |
| CN105049754A (en) | Image processing device and mobile computing device having the same | |
| KR20180082698A (en) | Display device and driving method thereof | |
| CN109640012A (en) | A kind of multispectral TDI imaging method and device | |
| CN101019413A (en) | Dual panel pixel readout in an imager | |
| FR2680890A1 (en) | CONFIGURABLE ANEMEMATORY AND SYSTEM FOR PROCESSING IMAGES CONTAINING SUCH ANEMEMORY. | |
| CN110767174A (en) | Display device, display panel thereof and OLED array substrate | |
| US20230020674A1 (en) | Electronic apparatus and operating method thereof | |
| CN1197570A (en) | Linked list structure onscreen display | |
| CN117597918A (en) | Signal transmission method, signal transmitting end, signal receiving end and laser projection equipment | |
| CN106961571A (en) | The method and system that multiway images data are received simultaneously | |
| US8610790B2 (en) | Programmable data readout for an optical sensor | |
| KR20170000904A (en) | Display apparatus and method of driving the same | |
| CA2136478A1 (en) | Digital memory for display system using spatial light modulator | |
| CN1108053C (en) | Parallel mode on-screen display system | |
| US20190306388A1 (en) | Image sensor and camera | |
| CN116935790A (en) | OLED circuit, OLED display panel, display screen and electronic equipment | |
| US8946614B2 (en) | Image sensor with wide dynamic range and method of operating the same including one or more first and second column groups of pixels alternatively arranged | |
| CN219812216U (en) | 10 hundred million pixel image sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1299, Mingxi Road, Beihu science and Technology Development Zone, Changchun City, Jilin Province Patentee after: Changguang Satellite Technology Co.,Ltd. Address before: No. 1299, Mingxi Road, Beihu science and Technology Development Zone, Changchun City, Jilin Province Patentee before: CHANG GUANG SATELLITE TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A multimode space optical camera for on orbit reconstruction Effective date of registration: 20220720 Granted publication date: 20220107 Pledgee: National Development Bank of China Jilin branch Pledgor: Changguang Satellite Technology Co.,Ltd. Registration number: Y2022220000041 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |