CN111093004A - Android-based data acquisition terminal system - Google Patents
Android-based data acquisition terminal system Download PDFInfo
- Publication number
- CN111093004A CN111093004A CN201911217311.2A CN201911217311A CN111093004A CN 111093004 A CN111093004 A CN 111093004A CN 201911217311 A CN201911217311 A CN 201911217311A CN 111093004 A CN111093004 A CN 111093004A
- Authority
- CN
- China
- Prior art keywords
- module
- acquisition
- android
- unit
- image data
- 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.)
- Pending
Links
- 238000012545 processing Methods 0.000 claims abstract description 54
- 230000003993 interaction Effects 0.000 claims abstract description 41
- 238000007781 pre-processing Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 24
- 210000001503 joint Anatomy 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000003705 background correction Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 claims description 3
- 230000008707 rearrangement Effects 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 230000011664 signaling Effects 0.000 claims description 2
- 238000013480 data collection Methods 0.000 claims 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/047—Detection, control or error compensation of scanning velocity or position
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimiles In General (AREA)
Abstract
The invention discloses an android-based data acquisition terminal system, which is characterized in that: the system comprises a multi-channel acquisition device, a sensing device, a movement mechanism device, a display control device, a front-end acquisition preprocessing module and a CPU android embedded processing module; the multichannel acquisition device realizes multichannel analog input and independently adjusts parameters of each channel; the sensing device comprises a photoelectric sensor and an ultrasonic sensor; the motion mechanism device is used for guiding paper into and out of the scanner; the display control device is used for adjusting the scanned paper parameters; the front-end acquisition preprocessing module is used for realizing the interaction of the acquired image data through multiple channels; and the CPU android embedded processing module performs counterfeit discrimination processing on the processed image data and stores the processed image data. According to the invention, the android system is applied to the integrated scanner data acquisition terminal, so that the android system is convenient to operate.
Description
Technical Field
The invention relates to the field of data acquisition of scanners, in particular to an android-based data acquisition terminal system.
Background
Scanners are one of the instruments commonly used in the office today. In batch scanning and uploading of electronic files, a traditional scanner needs to be manually connected with terminal equipment such as a computer in a wired or wireless mode and then processes the files. According to the traditional mode, high-throughput image data acquisition cannot be realized due to connection, the false identification of the image is not related, the scanned document cannot be correspondingly protected, and the security is not high enough.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the android-based data acquisition terminal system can safely, quickly and conveniently scan and transmit files.
The technical scheme adopted by the invention for solving the problems is as follows: a data acquisition terminal system based on android comprises a multi-channel acquisition device, a sensing device, a movement mechanism device, a display control device, a front-end acquisition preprocessing module and a CPU android embedded processing module; wherein,
the multichannel acquisition device comprises a high-speed ADC and a high-speed multichannel CIS sensor component, realizes multichannel analog input, and independently adjusts parameters of each channel;
the sensing device comprises a photoelectric sensor and an ultrasonic sensor and is used for detecting whether paper enters the paper inlet, the position of the paper feeding channel and whether the paper enters a plurality of pieces of paper once;
the motion mechanism device comprises a motor, a paper wheel and a shaft and is used for guiding paper into and out of the scanner;
the display control device comprises a display screen, a driving board, a key and an indicator light and is used for adjusting the scanned paper parameters;
the front-end acquisition preprocessing module is used for realizing the interaction of image data by a plurality of channels of the image data acquired by the multi-channel acquisition device and the sensing device and sending the image data to the CPU android embedded processing module for storage;
the CPU android embedded processing module is used for carrying out false distinguishing processing and storage on the image data processed by the front-end acquisition preprocessing module and carrying out management control on the motion mechanism device and the display control device.
Compared with the prior art, the invention has the advantages that: the android system is applied to the integrated scanner data acquisition terminal, so that the integrated scanner data acquisition terminal is convenient to operate; the high-throughput real-time image data acquisition and processing are realized through the high-speed multi-channel acquisition device and the front-end acquisition preprocessing module, and the scanning speed of the whole system is improved.
Preferably, the front-end acquisition preprocessing module comprises a front-end control acquisition module, a memory management control module, an MIPI control transmission module and a universal communication module; wherein,
the front-end control acquisition module realizes real-time data acquisition through multi-channel ADC working state configuration and stores the data to an internal RAM;
the memory management control module opens up an internal RAM ping-pong operation pool, provides continuous data flow for MIPI high-throughput transmission, and performs image output and dump;
the MIPI control output module rapidly outputs the data of the ping-pong operation pool to the MIPI-CSI interface and uploads the data to the CPU android embedded processing module for processing through the universal communication module;
the general communication module comprises GPIO interface signal interaction and UART standard interface interaction, and realizes mode configuration and state monitoring by setting an internal state register mode.
Preferably, the CPU android embedded processing module includes a driver/hardware abstraction layer, a system layer and an application layer; wherein,
the driving/hardware abstraction layer comprises MIPI (mobile industry processor interface), UART (universal asynchronous receiver/transmitter), SPI (serial peripheral interface), I2C, GPIO (general purpose input/output), LVDS (low voltage differential signaling) and USB (universal serial bus) modules, realizes driving of an LCD (liquid crystal display) screen, a touch screen, a sensor and a motor part, and realizes communication with a front-end acquisition preprocessing module;
the system layer performs primary processing on the image data transferred into the driving/hardware abstraction layer;
and the application layer carries out authentication on the image data processed by the system layer and stores the image data.
Preferably, the system layer comprises an image acquisition unit, an image processing unit, a communication and logic control unit and a first API interaction unit; wherein,
the image acquisition unit acquires image data in a transmission front-end acquisition preprocessing module through an MIPI high-speed channel;
the image processing unit integrates an open-source image processing library and is used for expanding, developing and calling an application layer;
the communication and logic control unit comprises working mode configuration, working state monitoring and notification, front end and peripheral device communication interaction and whole machine working flow control;
the first API interaction unit is used as an interaction interface of a system layer, acquires image data and universal image processing library resources, expands an integrated industry APP, is in butt joint with a server-side system, and realizes professional field special plane application.
Preferably, the image processing unit comprises image rearrangement, flat field correction, cropping, error correction, black edge removal, red enhancement and contrast enhancement functions.
Preferably, the application layer comprises a GUI display interaction unit, an image processing special unit, a second API interaction unit and a transmission unit; wherein,
the GUI display interaction unit is connected with the display control device to realize integrated human-computer interaction;
the image processing special unit is combined with the transmission unit and is in butt joint with the cloud service system and the tax or government affair special platform, so that the counterfeit bill identification is realized, and the automatic shunting uploading and storage are realized;
the second API interaction unit is connected with the first API interaction unit and transmits image data and universal image processing library resources;
the transmission unit comprises a plurality of transmission modes including USB communication, wireless WLAN, 4G network and wired Ethernet, and is in butt joint with the cloud service system and the enabling platform.
Drawings
FIG. 1 is a schematic structural diagram of an android-based data acquisition terminal system of the present invention.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1, the embodiment relates to an android-based data acquisition terminal system, which includes a multichannel acquisition device 4-1, a sensing device 5-1, a movement mechanism device 5-2, a display control device 5-3, a front-end acquisition preprocessing module and a CPU android embedded processing module.
The multi-channel acquisition device 4-1 comprises a high-speed ADC and a high-speed multi-channel CIS sensor component, realizes multi-channel analog input, and independently adjusts parameters of each channel. Meanwhile, the multi-channel acquisition device 4-1 can be designed into a plurality of devices.
The sensing device 5-1 comprises a photoelectric sensor and an ultrasonic sensor, wherein the photoelectric sensor is used for detecting whether paper enters the paper inlet or not and the position of the paper entering the paper channel, and the ultrasonic sensor can be used for detecting whether the paper enters a plurality of pieces of paper once or not.
The moving mechanism device 5-2 includes a motor, paper wheels and shafts for guiding paper into and out of the scanner.
The display control device 5-3 comprises a display screen, a driving board, a key and an indicator light and is used for adjusting the scanned paper parameters.
In this embodiment, the front-end acquisition preprocessing module is configured to implement interaction of image data through multiple channels on image data acquired by the multiple-channel acquisition device 4-2 and the sensing device 5-1, and send the image data to the CPU android embedded processing module for storage.
And the CPU android embedded processing module is used for carrying out counterfeit discrimination processing and storage on the image data processed by the front-end acquisition preprocessing module and carrying out management control on the movement mechanism device and the display control device.
Specifically, in this embodiment, the front-end acquisition preprocessing module includes a front-end control acquisition module 3-4, a memory management control module 3-1, an MIPI control transmission module 3-2, and a general communication module 3-3.
The front end controls the acquisition modules 3-4, realizes real-time data acquisition through multi-channel ADC working state configuration, and stores the data to an internal RAM.
The memory management control module 3-1 opens up an internal RAM ping-pong operation pool, provides continuous data flow for MIPI high throughput transmission, and performs image output and dump;
the MIPI control output module 3-2 is used for rapidly outputting the data of the ping-pong operation pool to the MIPI-CSI interface and uploading the data to the CPU android embedded processing module for processing through the universal communication module;
and the general communication module 3-3 comprises GPIO port signal interaction and UART standard interface interaction, and realizes mode configuration and state monitoring by setting an internal state register mode.
In the embodiment, the high-throughput real-time image data acquisition and processing is realized through the high-speed multi-channel acquisition device 4-1, the front-end control acquisition module 3-4 and the framework of the MIPI control transmission module 3-2. The realization of high throughput is mainly embodied in the MIPI control transmission module 3-2, on an FPGA of the MIPI control transmission module 3-2, data acquired by the multi-channel acquisition device 4-1 are respectively and alternately stored in a ping-pong operation pool in sequence under a time base control circuit, and are uploaded to an MIPI-CSI standard interface according to requirements of an MIPI-CSI standard protocol.
In this embodiment, the CPU android embedded processing module includes a driver/hardware abstraction layer 2-1, a system layer, and an application layer.
The driving/hardware abstraction layer 2-1 comprises MIPI, UART, SPI, I2C, GPIO, LVDS and USB modules, realizes driving of LCD screen, touch screen, sensor and motor components, and realizes communication with the front-end acquisition preprocessing module.
The system layer performs preliminary processing on the image data passed into the driver/hardware abstraction layer. The system layer comprises an image acquisition unit 1-1, an image processing unit 1-2, a communication and logic control unit 1-3 and a first API interaction unit 1-4.
The image acquisition unit 1-1 acquires image data in the transmission front-end acquisition preprocessing module through an MIPI high-speed channel.
And the image processing unit 1-2 integrates an open-source image processing library and is used for expanding, developing and calling an application layer. The image processing unit 1-2 includes image rearrangement, flat field correction, cropping, rectification, black edge removal, red enhancement, and contrast enhancement functions.
And the communication and logic control unit 1-3 comprises working mode configuration, working state monitoring and notification, front end and peripheral device communication interaction and whole machine work flow control.
The first API interaction unit 1-4 is used as an interaction interface of a system layer, obtains image data and universal image processing library resources, expands an integrated industry APP, is in butt joint with a server system, and realizes professional field special plane application.
In this embodiment, the application layer authenticates and stores the image data processed by the system layer. The application layer includes a GUI display interaction unit 0-1, an image processing dedicated unit 0-2, a second API interaction unit 0-3, and a transmission unit 0-4.
The GUI display interaction unit 0-1 is connected with the display control device 5-3, and integrated human-computer interaction is achieved.
The image processing special unit 0-2 is combined with the transmission unit 0-4 and is in butt joint with a cloud service system and a tax or government special platform to realize counterfeit bill identification and automatic shunting uploading and storage.
The second API interaction units 0-3 are connected with the first API interaction units 1-4 and used for transmitting image data and universal image processing library resources;
the transmission units 0 to 4 comprise a plurality of transmission modes including USB communication, wireless WLAN, 4G network and wired Ethernet, and are in butt joint with the cloud service system and the enabling platform.
The invention has the beneficial effects that: the android system is applied to the integrated scanner data acquisition terminal, so that the integrated scanner data acquisition terminal is convenient to operate; providing a system software framework and an API (application program interface) interaction unit, facilitating development into a special machine, being capable of being in butt joint with a tax system to serve as a bill entry and counterfeit identification terminal, being capable of being in butt joint with a government system to serve as a file entry terminal, and automatically uploading batch scanning manuscripts to the system; through the high-speed multi-channel acquisition device, the front-end control acquisition module and the MIPI control transmission module, high-throughput real-time image data acquisition and processing are achieved, and the scanning speed of the whole system is improved.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a data acquisition terminal system based on ann is tall and erect which characterized in that: the system comprises a multi-channel acquisition device, a sensing device, a movement mechanism device, a display control device, a front-end acquisition preprocessing module and a CPU android embedded processing module; wherein,
the multichannel acquisition device comprises a high-speed ADC and a high-speed multichannel CIS sensor component, realizes multichannel analog input, and independently adjusts parameters of each channel;
the sensing device comprises a photoelectric sensor and an ultrasonic sensor and is used for detecting whether paper enters the paper inlet, the position of the paper feeding channel and whether the paper enters a plurality of pieces of paper once;
the motion mechanism device comprises a motor, a paper wheel and a shaft and is used for guiding paper into and out of the scanner;
the display control device comprises a display screen, a driving board, a key and an indicator light and is used for adjusting the scanned paper parameters;
the front-end acquisition preprocessing module is used for realizing the interaction of image data by a plurality of channels of the image data acquired by the multi-channel acquisition device and the sensing device and sending the image data to the CPU android embedded processing module for storage;
the CPU android embedded processing module is used for carrying out false distinguishing processing and storage on the image data processed by the front-end acquisition preprocessing module and carrying out management control on the motion mechanism device and the display control device.
2. The android-based data collection terminal system of claim 1, wherein: the front-end acquisition preprocessing module comprises a front-end control acquisition module, a memory management control module, an MIPI control transmission module and a universal communication module; wherein,
the front-end control acquisition module realizes real-time data acquisition through multi-channel ADC working state configuration and stores the data to an internal RAM;
the memory management control module opens up an internal RAM ping-pong operation pool, provides continuous data flow for MIPI high-throughput transmission, and performs image output and dump;
the MIPI control output module rapidly outputs the data of the ping-pong operation pool to the MIPI-CSI interface and uploads the data to the CPU android embedded processing module for processing through the universal communication module;
the general communication module comprises GPIO interface signal interaction and UART standard interface interaction, and realizes mode configuration and state monitoring by setting an internal state register mode.
3. The android-based data collection terminal system of claim 2, wherein: the CPU android embedded processing module comprises a drive/hardware abstraction layer, a system layer and an application layer; wherein,
the driving/hardware abstraction layer comprises MIPI (mobile industry processor interface), UART (universal asynchronous receiver/transmitter), SPI (serial peripheral interface), I2C, GPIO (general purpose input/output), LVDS (low voltage differential signaling) and USB (universal serial bus) modules, realizes driving of an LCD (liquid crystal display) screen, a touch screen, a sensor and a motor part, and realizes communication with a front-end acquisition preprocessing module;
the system layer performs primary processing on the image data transferred into the driving/hardware abstraction layer;
and the application layer carries out authentication on the image data processed by the system layer and stores the image data.
4. The android-based data collection terminal system of claim 3, wherein: the system layer comprises an image acquisition unit, an image processing unit, a communication and logic control unit and a first API (application program interface) interaction unit; wherein,
the image acquisition unit acquires image data in a transmission front-end acquisition preprocessing module through an MIPI high-speed channel;
the image processing unit integrates an open-source image processing library and is used for expanding, developing and calling an application layer;
the communication and logic control unit comprises working mode configuration, working state monitoring and notification, front end and peripheral device communication interaction and whole machine working flow control;
the first API interaction unit is used as an interaction interface of a system layer, acquires image data and universal image processing library resources, expands an integrated industry APP, is in butt joint with a server-side system, and realizes professional field special plane application.
5. The android-based data collection terminal system of claim 4, wherein: the image processing unit comprises image rearrangement, flat field correction, cutting, deviation correction, black edge removal, red enhancement and contrast enhancement functions.
6. The android-based data collection terminal system of claim 3, wherein: the application layer comprises a GUI display interaction unit, an image processing special unit, a second API interaction unit and a transmission unit; wherein,
the GUI display interaction unit is connected with the display control device to realize integrated human-computer interaction;
the image processing special unit is combined with the transmission unit and is in butt joint with the cloud service system and the tax or government affair special platform, so that the counterfeit bill identification is realized, and the automatic shunting uploading and storage are realized;
the second API interaction unit is connected with the first API interaction unit and transmits image data and universal image processing library resources;
the transmission unit comprises a plurality of transmission modes including USB communication, wireless WLAN, 4G network and wired Ethernet, and is in butt joint with the cloud service system and the enabling platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911217311.2A CN111093004A (en) | 2019-12-03 | 2019-12-03 | Android-based data acquisition terminal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911217311.2A CN111093004A (en) | 2019-12-03 | 2019-12-03 | Android-based data acquisition terminal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111093004A true CN111093004A (en) | 2020-05-01 |
Family
ID=70393910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911217311.2A Pending CN111093004A (en) | 2019-12-03 | 2019-12-03 | Android-based data acquisition terminal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111093004A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112291730A (en) * | 2020-10-30 | 2021-01-29 | 浙江佳乐科仪股份有限公司 | 5G-based terminal equipment of Internet of things |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104010109A (en) * | 2014-05-12 | 2014-08-27 | 上海古鳌电子科技股份有限公司 | Dual digital signal processing image processing board and operation mode thereof |
| CN205912128U (en) * | 2016-08-25 | 2017-01-25 | 宁波华高信息科技有限公司 | Be applied to preceding end structure of multichannel on high speed scanner |
| CN108234810A (en) * | 2016-12-09 | 2018-06-29 | 青岛璐琪信息科技有限公司 | A kind of information transferring method based on Android intelligent business card camera-shooting scannings |
| CN108267508A (en) * | 2017-12-27 | 2018-07-10 | 东南大学 | A kind of multi-channel ultrasonic flaw-inspecting system based on Android device |
-
2019
- 2019-12-03 CN CN201911217311.2A patent/CN111093004A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104010109A (en) * | 2014-05-12 | 2014-08-27 | 上海古鳌电子科技股份有限公司 | Dual digital signal processing image processing board and operation mode thereof |
| CN205912128U (en) * | 2016-08-25 | 2017-01-25 | 宁波华高信息科技有限公司 | Be applied to preceding end structure of multichannel on high speed scanner |
| CN108234810A (en) * | 2016-12-09 | 2018-06-29 | 青岛璐琪信息科技有限公司 | A kind of information transferring method based on Android intelligent business card camera-shooting scannings |
| CN108267508A (en) * | 2017-12-27 | 2018-07-10 | 东南大学 | A kind of multi-channel ultrasonic flaw-inspecting system based on Android device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112291730A (en) * | 2020-10-30 | 2021-01-29 | 浙江佳乐科仪股份有限公司 | 5G-based terminal equipment of Internet of things |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108806243B (en) | Traffic flow information acquisition terminal based on Zynq-7000 | |
| US9094545B2 (en) | Image processing apparatus, information processing system, method of controlling the same, and storage medium | |
| EP2144429A3 (en) | Information processing apparatus, image input apparatus, document distribution system, and control method therefor | |
| MX2008011796A (en) | A date remote monitoring system of essential security and a monitoring method thereof. | |
| US9699633B2 (en) | Input/output system, input/output method, and mobile terminal | |
| CN108446247B (en) | Data interaction method and terminal | |
| JP2013008107A (en) | Image processor and method for controlling the same | |
| US20190222707A1 (en) | Image-reading apparatus for continuously performing reading process on first set of documents and reading process on second set of documents | |
| US20180167377A1 (en) | Shared terminal, communication system, and display control method, and recording medium | |
| DE102007008301A1 (en) | Method and system for image transmission | |
| CN101561876A (en) | Method and system for collecting and identifying ID card information | |
| CN111093004A (en) | Android-based data acquisition terminal system | |
| CN107371017A (en) | A kind of MIPI camera signals long haul transmission system and method | |
| US20140320542A1 (en) | Device and method of information transfer | |
| US20090248904A1 (en) | USB host, control method thereof, computer program, USB hub and USB device | |
| US8848237B2 (en) | Wireless scanning device and method for scanning and transmitting scan data | |
| US9167124B2 (en) | Portable document scanner having user interface and integrated communication means | |
| CN102253735A (en) | Information processing device, display device, display system, method for controlling Information processing device, and method for controlling display device | |
| US20130046503A1 (en) | Testing system and method having wireless data transmission capability | |
| US9485381B1 (en) | Scanner interface and protocol | |
| US8526067B2 (en) | Handheld portable scanner | |
| CN111782455A (en) | Portable equipment for testing screen end product | |
| US9154644B2 (en) | Image reading apparatus and image data transmission method | |
| US20170146998A1 (en) | Data processing device and aerial vehicle | |
| US20130235084A1 (en) | Multi-source multiple documents comparison display (presentation or discussion) system |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200501 |