CN103223244B - A kind of chessboard and chess piece are automatically positioned identification chess - Google Patents
A kind of chessboard and chess piece are automatically positioned identification chess Download PDFInfo
- Publication number
- CN103223244B CN103223244B CN201310159264.7A CN201310159264A CN103223244B CN 103223244 B CN103223244 B CN 103223244B CN 201310159264 A CN201310159264 A CN 201310159264A CN 103223244 B CN103223244 B CN 103223244B
- Authority
- CN
- China
- Prior art keywords
- chessboard
- chess piece
- chess
- card reader
- piece
- 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.)
- Expired - Fee Related
Links
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The present invention relates to a kind of chess, it is automatically positioned identification chess particularly to a kind of chessboard and chess piece, described chessboard and chess piece automatic location identification system module (1) are with the microprocessor module of CPU, and what chessboard was embedded respectively begin, and a corresponding RF card reader (2) is connected with automatic location identification system module (1) by bus communication.With or without chess piece in chessboard, the information such as the title of chess piece, the chess piece position in chessboard all can converge to chessboard and chess piece automatic location identification system module (1) by bus communication interface, and carry out information alternately with robot or other equipment, the change of display chess game.The present invention has abandoned previous chess piece detection technique completely, avoid loaded down with trivial details information characteristics extract, calculate, reimaging process, do not affected by light source change and poor environment, words direction process need not be carried out, chess game change can be obtained rapidly and accurately, for the calculating and the judgement that carry out follow-up step of playing chess.
Description
Technical field
The present invention relates to a kind of chess, be automatically positioned identification chess particularly to a kind of chessboard and chess piece.
Background technology
Chess game is the intellectual activity that everybody likes very much, owing to it is all highly beneficial for the disposition of tap intellectual resources, moulding people, thus is subject to liking of a lot of people.Chinese chess is changeful, is of infinite interest, and is the outstanding game spread more than 1,000 year, is one of the essence of Chinese culture.Chess also increasingly becomes amusement and the athletics event of fashion, and chess game also receives much attention.
Along with the development of robotics, the function of robot is more and more abundanter, and the research of amusement robot has become as an important direction.Chess robot is the one of amusement robot, and it is mainly by Board of chess and chess piece recognition methods, it is common that under the supervision of video camera, make the man-machine process of playing chess be very similar to interpersonal play chess, have more hommization and cordial feeling.Along with the development of network, people watch chess tournament frequently by network or play chess live, only quickly fixation and recognition chessboard and chess piece, could understand chess game change the very first time.
CN2527324Y Chinese patent publication discloses a kind of chess apparatus by machine recognition chess game with operation chess piece.It has common or special chess piece and chessboard, embeds Single Chip Microcomputer (SCM) system or embedded computer system, chess game identification device and the mechanical mobile device of custom-made software.Computer system control has the chess game identification device of multiple realizing method, and current chess game is identified exactly, then controls mechanical hand or similar machinery moves chess piece.One of which method is the identification utilizing photographic head and image recognition technology to realize chess game, including feature extraction, signal processing, information digitalization transmission etc..The method needs the checkerboard image caught carries out binaryzation, the chess piece detection sub-Text region of draw in chess, it is necessary to consider light source change and the impact of poor environment, image does overall situation single threshold, and chessboard background and grid line and chess piece cannot effectively be separated by binaryzation；Chess piece detection is relatively time-consuming work, and the effectively judgement of play chess operation is also more complicated.The accuracy of chess piece location will directly affect the correctness of follow-up identification；The subject matter of chess piece Text region is the arbitrariness of words direction.Consider to play chess software search and reasoning relatively time-consuming, during particularly in higher level, for making system have shorter response time, this visual component should be fast as far as possible, therefore much computationally intensive processing method is less applicable at this.
Summary of the invention
For solving the problems referred to above, the present invention creatively adopts RF technology to realize being automatically positioned and identifying of chessboard and chess piece, avoid loaded down with trivial details information characteristics extract, calculate, reimaging process, do not affected with poor environment by light source change, words direction process need not be carried out.Chess game change can be obtained rapidly and accurately, for the calculating and the judgement that carry out follow-up step of playing chess.
The present invention program adopts RF technology to realize being automatically positioned and identifying of chessboard and chess piece, and described chessboard and chess piece have detection and location function, and described each chess piece is embedded with a non-contact RF chip and antenna, is used for chess piece is positioned and transmission information.
Preferably, in described each RF chip, write unique ID number, distinguishes different chess pieces with this.
In any of the above-described scheme preferably, the position that each drop point place on described chessboard and each intersection of chessboard are played chess, an internally installed RF card reader, and carry out Unified coding, it is simple to chessboard positions.
In any of the above-described scheme preferably, the RF chip that described RF card reader and described each chess piece embed is with frequency range, each chess piece is internally embedded RF card reader that corresponding chessboard begins a little with the RF chip of frequency range, antenna, can by the drop point of these RF reader identification chess pieces.
In any of the above-described scheme preferably, the corresponding unique coding of described RF card reader, to realize chessboard impact point positioning.
In any of the above-described scheme preferably, RF chip that RF card reader field intensity a little and Q-value can be embedded with chess piece in advance begun by described chessboard and antenna carries out parameter adaptation adjustment.
In any of the above-described scheme preferably, described RF Card Reader distance and scope are adjusted to the chess piece that can only read drop point.
In any of the above-described scheme preferably, described RF card reader can read out in drop point RF chip unique No. ID, and understands the information such as chess piece title, the chess piece position in chessboard, to reach the automatic identification of chess piece drop point and concrete chess piece.
In any of the above-described scheme preferably, the RF card reader of described drop point is concentrated by respective communication interface and is connected to chessboard and chess piece automatic location identification system, this system can determine card reader position by the Unified coding of acquisition RF card reader, and then judge the drop point site of chessboard, form chessboard location；
In any of the above-described scheme preferably, described chessboard and the automatic location identification system of chess piece monitor the RF card reader respectively begun a little of chessboard in real time, it is judged that it begins a little whether there is chess piece.
In any of the above-described scheme preferably, the RF card reader that described chessboard is respectively begun a little is in each poll chess piece process, for avoiding erroneous judgement, for namely whether detect without chess piece situation RF chip and read No. ID judgement adopt continuous 3 times read and comparison ID mode carry out, only 3 times read No. ID unanimously just think to have descended effective chess piece.
In any of the above-described scheme preferably, described chessboard and chess piece automatic location identification system module are the microprocessor modules with CPU, and a corresponding RF card reader that what chessboard was embedded respectively begin is connected with automatic location identification system module by bus communication.Chessboard and chess piece automatic location identification system are monitored chessboard in real time and are respectively begun RF card reader a little, it is judged that it begins a little whether there is chess piece.
In any of the above-described scheme preferably, the RF card reader of described drop point realizes communication interaction by bus communication mode with chessboard and chess piece automatic location identification system.By the RF chip id number in the drop point chess piece that each RF card reader reads can identify it is which chess piece automatically.
In any of the above-described scheme preferably, described chessboard and chess piece automatic location identification system send the fixation and recognition information of chessboard and chess piece to robot or computer by certain communication.
Accompanying drawing explanation
In order to make the present invention readily appreciate, presently in connection with accompanying drawing, specific embodiments of the invention are described.
Fig. 1 illustrates that the chessboard according to the present invention and chess piece are automatically positioned the system logic block diagram of the preferred embodiment identifying chess.
Fig. 2 illustrates that the chessboard according to the present invention and chess piece are automatically positioned and identifies that the chessboard chess piece of a preferred embodiment of chess identifies positioning flow figure automatically.
Concrete title is as follows:
1: automatic location identification system module 2:RF card reader 3:RF chip 4: antenna.
Detailed description of the invention
Below in conjunction with accompanying drawing with preferred embodiment the present invention is described in further detail.In claims, in constitutive requirements and embodiment, corresponding relation between instantiation can be exemplified below.Here description is intended to confirm to describe in an embodiment for supporting the instantiation of theme stated in the claims, owing to describing example in an embodiment, it is not intended to this instantiation does not indicate that constitutive requirements.Even if on the contrary, contain the instantiation element characteristic as corresponding constitutive requirements at this, not meaning that this instantiation does not indicate that any other constitutive requirements yet.
All refer in the claims additionally, description here does not mean that corresponding to all themes of the instantiation of statement in embodiment.In other words, this entity is not denied in description here, the instantiation that namely corresponding embodiment comprises, but is not included in its any one claim, namely can revise afterwards by division the entity being likely to invent applying for or increase.
Technical solution of the present invention applies to chessboard and in chess piece, chessboard is installed automatic location identification system module, and each chess piece drop point place on chessboard embeds RF card reader 2, the embedded RF chip 3 of chess piece, antenna 4.
Described chess piece module is embedded into RF chip 3 and the chess piece of antenna 4.The ID numbering that the corresponding storage of chip 3 in different chess pieces is different, therefore can determine it is what chess piece according to the ID numbering content that RF card reader 2 is read in.
Chessboard embedded RF card reader 2 module, in each intersection of chessboard, the position namely played chess, is embedded in RF card reader 2, and when chess piece is begun, RF card reader 2 just can read the coding of chess piece, and is transferred to automatic location identification system module by bus communication interface.RF card reader 2 also corresponding unique card reader coding that each position in chessboard is corresponding, namely automatic location identification system can determine that the position of chessboard by the card reader coding obtained.
RF chip 3 that RF card reader 2 field intensity a little and Q-value can be embedded with chess piece in advance begun by chessboard and antenna 4 carries out parameter adaptation adjustment, and Card Reader distance and scope are adjusted to the chess piece that can only read drop point place.
Chessboard and chess piece automatic location identification system module 1 are the microprocessor modules with CPU, and what chessboard was embedded respectively begin, and a corresponding RF card reader 2 is connected with automatic location identification system module by bus communication.With or without chess piece in chessboard, the information such as the title of chess piece, the chess piece position in chessboard all can converge to chessboard and chess piece automatic location identification system module 1 by bus communication interface, and wirelessly carry out information with robot or other equipment mutual, the change of display chess game.
(1) chessboard powers on, and chessboard and chess piece automatic location identification system module 1 that chessboard is embedded initialize, and each RF card reader 2 in chessboard is initialized, including the mode etc. of the setting of RF card reader Card Reader speed, bus communication；
(2) chessboard and chess piece automatic location identification system intelligent processing module 1 initializing wireless communication pattern and internal each memory element a little of beginning of corresponding chessboard, internal element deposits each RF card reader 2 information respectively, and the original state of unit is zero；
(3) chessboard and chess piece automatic location identification system 1 obtain the coding of each RF card reader 2 and the location information of chessboard by bus communication；With or without chess piece in chessboard, the information such as the title of chess piece, the chess piece position in chessboard all can converge to chessboard and chess piece automatic location identification system module 1 by bus communication interface, and wirelessly carry out information with robot or other equipment mutual, the change of display chess game
(4), when RF card reader 2 is not detected by chessboard having beginning, it is in sleep state；
(5) when the RF card reader 2 located of beginning on chessboard detects the RF chip 3 of chess piece, it is that the information of the ID numbering of RF chip and chess piece of reading can tell what fall for which chess piece, and open bus communication pattern, applying for that needs communicate to chessboard and chess piece automatic location identification system 1, chessboard and chess piece automatic location identification system 1 obtain card reader coding and chess piece ID numbering by bus communication mode；
(6) information of reception is stored in internal storage unit by chessboard and chess piece automatic location identification system 1, and the chessboard after change and piece information is converted to wireless communications mode and sends to robot or other smart machines；
(7) when chess piece moves to another place from one, card reader 2 on the place's of removing chessboard can't detect RF chip 3 information, now card reader 2 information vanishing, and Trigger Bus communication, card reader 2 is encoded and is transferred to chessboard and chess piece automatic location identification system 1 with loss of fecundity information, and radio to robot or other smart machines by chessboard and chess piece automatic location identification system 1；
(8) chess piece moves on to the processing method at place as shown in (5) (6)；Chessboard begins the RF card reader 2 at place when the RF chip 3 of chess piece being detected, it is that the information of the ID coding of RF chip 3 and chess piece of reading can tell what fall for which chess piece, and open bus communication pattern, applying for that needs communicate to chessboard and chess piece automatic location identification system 1, chessboard and chess piece automatic location identification system 1 obtain card reader 2 coding and chess piece ID numbering by bus communication mode；The information of reception is stored in internal storage unit by chessboard and chess piece automatic location identification system 1, and the chessboard after change and piece information is converted to wireless communications mode and sends to robot or other smart machines；
(9) capture process time, first take away preparing the son eaten, take away rear chessboard processing method with in (7) step to remove chess piece identical；Being put into and take away chess piece place by chess piece to be walked again, processing method is as shown in (5) (6).The RF card reader 2 taking away the chessboard drop point after chess piece can't detect RF chip 3 information, now card reader 2 information vanishing, and Trigger Bus communication, card reader 2 is encoded and is transferred to chessboard and chess piece automatic location identification system 1 with loss of fecundity information, and radio to robot or other smart machines by chessboard and chess piece automatic location identification system 1；Again chess piece to be walked is put into and takes away chess piece place, chessboard begins the RF card reader 2 at place when the RF chip 3 of chess piece being detected, it is that the information of the ID coding of RF chip 3 and chess piece of reading can tell what fall for which chess piece, and open bus communication pattern, applying for that needs communicate to chessboard and chess piece automatic location identification system 1, chessboard and chess piece automatic location identification system 1 obtain card reader 2 coding and chess piece ID numbering by bus communication mode；The information of reception is stored in internal storage unit by chessboard and chess piece automatic location identification system 1, and the chessboard after change and piece information is converted to wireless communications mode and sends to robot or other smart machines；
It should be noted that; the example that implements of the present invention describes employing 13.56MRF technology; but hyperfrequency RF technology such as 900M can also be adopted; or even 2.4G technology; but the core of these different frequency ranges is still use RF technology; no matter adopt which kind of frequency range RF technology, all in protection scope of the present invention.
Communication instance between the RF card reader mentioned in the present invention and chessboard and chess piece automatic location identification system adopts bus communication mode; can also adopt 232,422 communication interfaces directly and chessboard and chess piece automatic location identification system communication; communication mode does not affect the core thinking of the present invention, all in protection scope of the present invention.
Although illustrate and describing the present invention referring particularly to its preferred embodiment, it will be appreciated by those skilled in the art that the various the scope of the present invention changed without deviating from described in appended claims can made in form and details.It is described in detail above in association with specific embodiments of the invention, but is not limitation of the present invention.Every technical spirit according to the present invention, to any simple modification made for any of the above embodiments, all still falls within the scope of technical solution of the present invention.
Claims (8)
1. a chessboard and chess piece are automatically positioned identification chess, described chessboard and chess piece have detection and location function, it is characterized in that: each chess piece is embedded with a non-contact RF chip (3) and antenna (4), chessboard and chess piece adopt RF technology to realize being automatically positioned and identifying, chessboard and chess piece automatic location identification system (1) send the fixation and recognition information of chessboard and chess piece to robot by communication, the internally installed RF card reader (2) in position that namely each drop point place on described chessboard plays chess, RF chip (3) that RF card reader (2) field intensity a little and Q-value can be embedded with chess piece in advance begun by described chessboard and antenna (4) carries out parameter adaptation adjustment；Described chessboard and chess piece automatic location identification system module are the microprocessor modules with CPU, and what chessboard was embedded respectively begin, and a corresponding RF card reader (2) is connected with automatic location identification system module by bus communication.
2. chessboard as claimed in claim 1 and chess piece are automatically positioned identification chess, it is characterised in that: write unique ID number in described each RF chip (3).
3. chessboard as claimed in claim 1 and chess piece are automatically positioned identification chess, it is characterised in that: the RF chip (3) that described RF card reader (2) and described each chess piece embed is with frequency range.
4. chessboard as described in claim 1 or 3 and chess piece are automatically positioned identification chess, it is characterised in that: the corresponding unique coding of described RF card reader (2).
5. chessboard as claimed in claim 4 and chess piece are automatically positioned identification chess, it is characterised in that: described RF Card Reader distance and scope are adjusted to the chess piece that can only read drop point.
6. chessboard as claimed in claim 5 and chess piece are automatically positioned identification chess, it is characterised in that: described RF card reader (2) can read the RF chip (3) ID in drop point chess piece, and which chess piece obtains chess piece data automatic identification is.
7. as claim 1-3, chessboard according to any one of 5 or 6 and chess piece are automatically positioned identification chess, it is characterized in that: the RF card reader (2) of described drop point is concentrated by respective communication interface and is connected to chessboard and chess piece automatic location identification system, this system can determine card reader position by the Unified coding of acquisition RF card reader (2), and then judge the drop point site of chessboard, form chessboard location.
8. chessboard as claimed in claim 7 and chess piece are automatically positioned identification chess, it is characterised in that: described chessboard and chess piece automatic location identification system (1) monitoring chessboard in real time is respectively begun RF card reader (2) a little, it is judged that it begins a little whether there is chess piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159264.7A CN103223244B (en) | 2013-03-22 | 2013-05-03 | A kind of chessboard and chess piece are automatically positioned identification chess |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100940760 | 2013-03-22 | ||
| CN201310094076.0 | 2013-03-22 | ||
| CN 201310094076 CN103143163A (en) | 2013-03-22 | 2013-03-22 | Chessboard and chess piece automatic positioning and recognition chess |
| CN201310159264.7A CN103223244B (en) | 2013-03-22 | 2013-05-03 | A kind of chessboard and chess piece are automatically positioned identification chess |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103223244A CN103223244A (en) | 2013-07-31 |
| CN103223244B true CN103223244B (en) | 2016-07-06 |
Family
ID=48541645
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310094076 Pending CN103143163A (en) | 2013-03-22 | 2013-03-22 | Chessboard and chess piece automatic positioning and recognition chess |
| CN201310159264.7A Expired - Fee Related CN103223244B (en) | 2013-03-22 | 2013-05-03 | A kind of chessboard and chess piece are automatically positioned identification chess |
| CN 201320233486 Expired - Fee Related CN203264241U (en) | 2013-03-22 | 2013-05-03 | Chesses with chessboard and chess pieces automatically positioned and identified |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310094076 Pending CN103143163A (en) | 2013-03-22 | 2013-03-22 | Chessboard and chess piece automatic positioning and recognition chess |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320233486 Expired - Fee Related CN203264241U (en) | 2013-03-22 | 2013-05-03 | Chesses with chessboard and chess pieces automatically positioned and identified |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN103143163A (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566579B (en) * | 2013-09-30 | 2016-04-13 | 河池学院 | A kind of Intelligent flight chess robot system and realize the method for this flight chess robot |
| CN105233492B (en) * | 2015-11-04 | 2019-01-08 | 山东大学 | A kind of automatic umpire set for chess games based on radio frequency identification |
| CN205730273U (en) * | 2015-12-08 | 2016-11-30 | 马科峰 | Chess for man-machine battle has and the chess tool system of network competition |
| CN106422295B (en) * | 2016-09-27 | 2020-03-17 | 珠海格力智能装备有限公司 | Method and device for processing difficulty level of playing chess and robot |
| CN106485329A (en) * | 2016-09-27 | 2017-03-08 | 珠海格力智能装备有限公司 | The processing method and processing device of man-machine chess |
| CN106730821B (en) * | 2016-12-31 | 2020-07-24 | 歌尔科技有限公司 | Virtual reality game operation device and method and virtual reality equipment |
| CN109692473A (en) * | 2017-10-23 | 2019-04-30 | 汪宏璋 | Synchronize system and method for playing chess |
| CN109675295A (en) * | 2018-01-29 | 2019-04-26 | 潍坊科技学院 | A kind of intelligence Chinese chess |
| CN108389231B (en) * | 2018-03-19 | 2021-07-13 | 刘想德 | Chess piece positioning and identifying method and system based on chessboard surface image |
| CN109621384A (en) * | 2018-12-06 | 2019-04-16 | 南京牧象物联智能科技有限公司 | A kind of trained electronic chess-plate system and trained play chess monitoring method |
| CN109621385A (en) * | 2018-12-06 | 2019-04-16 | 南京牧象物联智能科技有限公司 | A kind of match electronic chess-plate system and play chess monitoring method of competing |
| CN112765379B (en) * | 2020-08-01 | 2023-09-22 | 李瑞军 | Method, device and electronic equipment for analyzing chess manual and searching chess manual of Chinese chess |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2439305Y (en) * | 2000-07-24 | 2001-07-18 | 广州市资能经济发展有限公司 | Electronic chess board with function of judging property of every chess piece |
| CN2527324Y (en) * | 2002-03-26 | 2002-12-25 | 龙建 | Chess set distinguished and operated by machine |
| CN1918534A (en) * | 2004-02-16 | 2007-02-21 | 阿西恩科有限责任公司 | Physical user interface |
| CN102039045A (en) * | 2009-10-12 | 2011-05-04 | 朱立圣 | Electronic chessboard type game system |
-
2013
- 2013-03-22 CN CN 201310094076 patent/CN103143163A/en active Pending
- 2013-05-03 CN CN201310159264.7A patent/CN103223244B/en not_active Expired - Fee Related
- 2013-05-03 CN CN 201320233486 patent/CN203264241U/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2439305Y (en) * | 2000-07-24 | 2001-07-18 | 广州市资能经济发展有限公司 | Electronic chess board with function of judging property of every chess piece |
| CN2527324Y (en) * | 2002-03-26 | 2002-12-25 | 龙建 | Chess set distinguished and operated by machine |
| CN1918534A (en) * | 2004-02-16 | 2007-02-21 | 阿西恩科有限责任公司 | Physical user interface |
| CN102039045A (en) * | 2009-10-12 | 2011-05-04 | 朱立圣 | Electronic chessboard type game system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103223244A (en) | 2013-07-31 |
| CN103143163A (en) | 2013-06-12 |
| CN203264241U (en) | 2013-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103223244B (en) | A kind of chessboard and chess piece are automatically positioned identification chess | |
| US9830491B2 (en) | Method and system for embedding and retrieving information through marker transformation | |
| EP2793168A2 (en) | Gesture recognition device, gesture recognition method, electronic apparatus, control program, and recording medium | |
| CN103699916A (en) | Method for judging moving direction of RFID (radio frequency identification) tag and electronic equipment | |
| CN109035246A (en) | A kind of image-selecting method and device of face | |
| CN106662970B (en) | Method and device for setting interruption threshold of fingerprint identifier and terminal equipment | |
| CN104541282A (en) | Unlocking method, apparatus and device | |
| US11023717B2 (en) | Method, apparatus, device and system for processing commodity identification and storage medium | |
| CN109284715B (en) | Dynamic object identification method, device and system | |
| CN107786848A (en) | The method, apparatus of moving object detection and action recognition, terminal and storage medium | |
| CN103825780A (en) | Tag-on program identification method, service and system | |
| CN102792675B (en) | For performing the method for images match, system and computer readable recording medium storing program for performing adaptively according to condition | |
| CN102201917A (en) | Method and device for identity authentication of ATM (automatic teller machine) | |
| CN105739365A (en) | Information processing method and electronic device | |
| CN103826091A (en) | Video monitoring and tracking system with RFID integrated and method thereof | |
| US10997733B2 (en) | Rigid-body configuration method, apparatus, terminal device, and computer readable storage medium | |
| CN110020598A (en) | A kind of method and device based on foreign matter on deep learning detection electric pole | |
| Wang et al. | Chess move tracking using overhead RGB webcam | |
| CN202486814U (en) | Racing pigeon vervel bi-frequency identification device | |
| CN105533940A (en) | Terminal adjustment reminding method and smartband | |
| CN102117116A (en) | Moving object recognition method and instruction input method based on moving object recognition | |
| CN102542625B (en) | Method and device for processing information | |
| CN110348268A (en) | A kind of characteristic recognition method, device and the equipment of the part of electronic component | |
| US10362553B2 (en) | Determining location of wireless-enabled device | |
| CN204859197U (en) | Adopt control positioning system of internet of things design |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20210503 |