CN101877207B - A kind of LED display screen system and control method - Google Patents

A kind of LED display screen system and control method Download PDF

Info

Publication number
CN101877207B
CN101877207B CN200910237768.XA CN200910237768A CN101877207B CN 101877207 B CN101877207 B CN 101877207B CN 200910237768 A CN200910237768 A CN 200910237768A CN 101877207 B CN101877207 B CN 101877207B
Authority
CN
China
Prior art keywords
controller
sub
display
module
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.)
Expired - Fee Related
Application number
CN200910237768.XA
Other languages
Chinese (zh)
Other versions
CN101877207A (en
Inventor
伍更新
邵寅亮
张劲
公培森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaxing Huantong Plastics Technology Co.,Ltd.
Original Assignee
Beijing Jushu Digital Technology Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Jushu Digital Technology Development Co Ltd filed Critical Beijing Jushu Digital Technology Development Co Ltd
Priority to CN200910237768.XA priority Critical patent/CN101877207B/en
Publication of CN101877207A publication Critical patent/CN101877207A/en
Application granted granted Critical
Publication of CN101877207B publication Critical patent/CN101877207B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)

Abstract

The invention discloses kind of a LED display screen system, it is characterized in that, comprising: LED screen body signal generation apparatus, some sub-controllers, some display modules; Described sub-controller comprises cascade input module, cascaded-output module, memory module and display control module; Sub-controller interface in this cascade system is less, and can according to random order cascade between each sub-controller.

Description

A kind of LED display screen system and control method
Technical field
The present invention relates to field of LED display, in particular a kind of cascade structure of LED display screen system and control method.
Background technology
In current LED display system field, usually adopt the following two kinds screen body signal connection scheme:
Scheme 1: as shown in Figure 1, LED display system is made up of LED screen body signal generation apparatus 12 (being generally computer) and LED screen body 111 two parts, and LED screen body display is sent to LED screen body 111 by holding wire by LED screen body signal generation apparatus 12.LED screen body 111 is spliced according to certain position relationship by several LED box 11, carries out cascade between each LED box 11 according to horizontal direction and vertical direction by holding wire.Each casing is connected to a fixed with a LED display controller 1 (being generally programmable logic device, as FPGA) again, carries out display and control by controller 1 pair of casing 11; The shortcoming of the program is: because the hardware of LED display controller 1 adopts programmable logic device, needing to connect computer by downloading wire before system works downloads in the middle of device by hardware program, but between each controller, potential range is comparatively far away or not easily climb because of LED screen body decorating position in actual applications, thus strengthens the workload of down operation and corresponding maintenance difficulties; In addition, the interface (3,1 input, 1 horizontal output, 1 vertical output) between each sub-controller of the program on required connecting line and sub-controller is more, adds cost and the complexity of system.
Scheme 2: as shown in Figure 2, LED display system is made up of LED screen body signal generation apparatus 12 (being generally computer) and LED screen body 111 two parts, and LED screen body display is sent to LED screen body 111 by holding wire by the former.LED screen body 111 is spliced according to certain position relationship by several LED box 11, and the order of being connected successively according to adjacent boxes by holding wire between each LED box carries out cascade.Each casing 11 is connected to a fixed with a LED display controller 1 (being generally programmable logic device, as FPGA) again, carries out display and control by controller 1 pair of casing 11; The shortcoming of the program is: because adopt the mode of adjacent boxes series connection, after the installation of LED display each casing 11 is fixing, for ensureing the correctness of whole display screen displaying contents, the order of connection between each casing 11 also has just been fixed, but, because centre may inconveniently because there is barrier directly connect between casing adjacent in actual conditions, thus add the difficulty of construction.
Therefore, prior art existing defects, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is, for the deficiencies in the prior art, first provide a kind of LED display cascade system, the sub-controller interface in this cascade system is less, and according to random order cascade, and can need not change position between each sub-controller; Next provides a kind of control method being applied to above-mentioned LED display cascade system.
Technical scheme of the present invention is as follows:
A kind of LED display screen system, comprising: LED screen body signal generation apparatus, some sub-controllers and the some display modules that connect corresponding to each described sub-controller;
Described sub-controller comprises cascade input module, cascaded-output module, memory module and display control module, described display control module is connected between described cascade input module and described cascaded-output module, described memory module is connected with described display control module, for reading and storing the location information data of described sub-controller, call for described display control module; Sub-controller described in each respectively by described cascade input module and described cascaded-output module connected in series;
Described LED screen body signal generation apparatus is connected with the cascade input module of the first sub-controller being positioned at initiating terminal connected in series, for generating the location information data of each described sub-controller according to the locus of each described sub-controller; Series display Data Concurrent also for generating described LED display each lamp point delivers to the cascade input module of described first sub-controller, and wherein, described series display packet contains station location marker, described station location marker and described location information data one_to_one corresponding;
Described display control module is according to the described location information data read from described memory module, and the described location mark in described series display data, intercept from described series display data and show data accordingly, be sent to the described display module that described in its place, sub-controller correspondence connects, to realize luminescence display.
Described LED display screen system, described LED screen body signal generation apparatus arranges a locus module, for receiving the information of the locus of each described sub-controller, generate the location information data of each described sub-controller according to the locus of each described sub-controller.
Described LED display screen system, described LED screen body signal generation apparatus arranges a station location marker module, for the location information data according to each described sub-controller, one_to_one corresponding generates the station location marker of each described sub-controller, and the series display Data Concurrent generating described LED display each lamp point accordingly by described LED screen body signal generation apparatus delivers to the cascade input module of described first sub-controller.
Described LED display screen system, described LED screen body signal generation apparatus adopts USB, cable network or radio network interface, is connected with the cascade input module of described first sub-controller.
Described LED display screen system, each described display module and each described sub-controller connect one to one respectively.
Described LED display screen system, described memory module is non-volatile memory chip.
Be applied to a control method for above-mentioned LED display screen system, comprise the following steps:
Step 1: the location information data generating each sub-controller connected in series;
Step 2: transmit described location information data to each described sub-controller;
Step 3: described location information data is stored in its memory module by each described sub-controller respectively;
Step 4: according to the locus of each described sub-controller, the series display Data Concurrent generating described LED display each lamp point delivers to each described sub-controller; Wherein, described series display packet contains station location marker, described station location marker and described location information data one_to_one corresponding;
Step 5: each described display control module is according to respectively from the described memory module of its corresponding described sub-controller, read corresponding described location information data, and, the described location mark that comprises in described series display data, intercept from described series display data accordingly and show data accordingly.
Described control method, by USB, cable network or radio network interface transmission data.
Described control method, adopts non-volatile memories mode to carry out data storage.
Described control method, adopts first-in first-out to carry out data storage.
Adopt such scheme, the present invention by arranging the memory module of storage address information data in sub-controller, and make sub-controller can be intelligentized connected in series arbitrarily, do not need connected in series in a fixed order, the restriction of installation environment in the middle of application, can be broken through.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of prior art 1;
Fig. 2 is the schematic diagram of prior art 2;
Fig. 3 is the functional module structure schematic diagram of sub-controller of the present invention;
Fig. 4 is a kind of structural representation of LED display of the present invention;
Fig. 5 is another structural representation of LED display of the present invention;
Fig. 6 is the structural representation of cascade series display packet of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 3, Figure 4, first the present invention provides a kind of LED display screen system, it comprises: some sub-controller 10 to sub-controller 10N of LED screen body signal generation apparatus 12, successively cascade, corresponding display module 11 to the display module 11N connected of some and above-mentioned sub-controller.
LED screen body signal generation apparatus 12 sub-controller 10 to sub-controller 10N initiating terminal i.e. first sub-controller 10 connected in series with cascade is connected, the locus of each sub-controller is obtained by artificial observation, such as sub-controller is arranged in which which row of display screen box body, be input in LED screen body signal generation apparatus 12 afterwards, LED screen body signal generation apparatus 12 generates the location information data of sub-controller 10 to sub-controller 10N; Or, the locus of each sub-controller is inputted by program; Such as, by the said shank pre-seted, by computer, hand-held input terminal or computer-readable recording medium etc., input the locus of each sub-controller.LED screen body signal generation apparatus 12 also generates the series display data of each lamp point of LED display and sends to sub-controller 10 to sub-controller 10N, and series display packet contains the location mark corresponding with above-mentioned location information data; Some display module 11 to display module 11N are corresponding with sub-controller 10 to sub-controller 10N to be connected, the series display data luminescence display corresponding according to each display module 11 to display module 11N.
As shown in Figure 3, sub-controller 10 to sub-controller 10N structure in the present invention is identical, for sub-controller 10 explanation, it comprises cascade input module 13, cascaded-output module 16, memory module 15 and display control module 14, sub-controller 10 to sub-controller 10N by cascade input module 13 and cascaded-output module 16 connected in series; Display control module 14 is connected between cascade input module 13 and cascaded-output module 16, memory module 15 is connected with display control module 14, for storing the location information data of sub-controller 10, display control module 14 is according to the location information data read from memory module 15, and the described location mark comprised in described series display data, intercept from described series display data and show data accordingly.
Preferably, the memory module in above-mentioned LED display screen system adopts non-volatile memory chip, and after such power down, data can not be lost, and do not need again to write after powering on next time.
In practical application, after each box location of LED display is fixing, according to the condition of construction of reality, each casing is connected, operation LED screen body signal generation apparatus 12, generate the location information data of each sub-controller, be written in the middle of memory module 15 by the cascade input port of each sub-controller, then the cascade display data of screen body are generated and sent by LED screen body signal generation apparatus, each casing is according to the described location mark comprised in respective positional information and described series display data, intercept each self-corresponding display data, complete display.
Embodiment 2
As shown in Figure 5, whole display screen is divided into A ~ F totally 6 regions, corresponding each casing is casing 111, casing 1113, casing 1115, casing 1111, casing 1112, casing 1114, corresponding each sub-controller is sub-controller 10, sub-controller 103, sub-controller 105, sub-controller 101, sub-controller 102, sub-controller 104, and corresponding display module is respectively display module 11, display module 1103, display module 1105, display module 1101, display module 1102, display module 1104.Suppose between casing 111 and 1113, because erecting bed reason cannot directly be connected between 1113 with 1115, therefore to have employed from casing 111 level header body 1111 successively, casing 1112, casing 1113, casing 1114, sub-controller 10 to sub-controller 105 in casing 1115, complete the structure of LED display screen system, in like manner, if because job site reason cannot directly connect between other any casings, also other forms of cascade system can be adopted, solve job site and limit to the difficult problem brought, breach in prior art, after box location is fixing, the present situation that between each casing, annexation is fixed thereupon.
Preferably, can a locus module (not shown) be set in above-mentioned LED screen body signal generation apparatus 12, for receiving the information of the locus of each described sub-controller, then generate the location information data of each described sub-controller according to the locus of each described sub-controller.Such as, by active receive mode, as the mode or on time, by modes such as trigger conditions, receive the information of the locus of each described sub-controller of automatic acquisition information; Or, by passive receive mode, as received the information etc. of input, receive the information of the locus of each described sub-controller.
Preferably, one station location marker module (not shown) can also be set in above-mentioned LED screen body signal generation apparatus 12, for the location information data according to each described sub-controller, one_to_one corresponding generates the station location marker of each described sub-controller, and the series display Data Concurrent generating described LED display each lamp point accordingly by described LED screen body signal generation apparatus delivers to the cascade input module of described first sub-controller 10.
Preferably, above-mentioned LED screen body signal generation apparatus 12 adopts USB, cable network or radio network interface, is connected with the cascade input module of described first sub-controller.
Preferably, each described display module 11 to display module 11N and each described sub-controller 10 to sub-controller 10N connects one to one respectively.
Embodiment 3
The present invention also provides a kind of control method of above-mentioned LED display, and be applied in the LED display screen system of above-mentioned each example, the method comprises the following steps
Step 1: the location information data generating each sub-controller connected in series;
Step 2: transmit described location information data to each described sub-controller;
Step 3: described location information data is stored in its memory module by each described sub-controller respectively;
Step 4: according to the locus of each described sub-controller, the series display Data Concurrent generating described LED display each lamp point delivers to each described sub-controller; Wherein, described series display packet contains station location marker, described station location marker and described location information data one_to_one corresponding;
Step 5: each described display control module is according to respectively from the described memory module of its corresponding described sub-controller, read corresponding described location information data, and, the described location mark that comprises in described series display data, intercept from described series display data accordingly and show data accordingly.
Such as, in above-mentioned arbitrary steps, by USB, cable network or radio network interface transmission data.
Composition graphs 5 and Fig. 6, specifically, system is built according to the connection order shown in Fig. 5, after completion system hardware configuration is built, the location information data of sub-controller 10 to sub-controller 105 is generated by screen body signal generation apparatus 12, the positional information of such as sub-controller 10 to sub-controller 105 can be A, B, C, D, E, F, pass through holding wire, from screen body signal generation apparatus 12 to sub-controller 10 to sub-controller 105 download location information data A, B, C, D, E, F, by location information data A, B, C, D, E, F is stored in the storage chip of sub-controller 10 to sub-controller 105 successively respectively, the series display Data Concurrent generating each lamp point of LED display by screen body signal generation apparatus 12 delivers to the cascade input interface of sub-controller 10, local data in serial data is identified in order to make each sub-controller, need to arrange the location mark corresponding with above-mentioned location information data in the serial data that each sub-controller is corresponding, as shown in Figure 6, serial data comprises the display data of 6 viewing areas of sub-controller 10 to sub-controller 105 correspondence, and the Data Start of every part has a location mark, for identifying the data that this partial data is which part of screen body, when each sub-controller intercepts packet successively, select the part data that in packet, location mark is corresponding with the positional information stored in the storage chip of each sub-controller, for the display of casing at the corresponding levels, after intercepting terminates, entire packet former state is transmitted to subordinate's sub-controller, until each controller has intercepted each self-corresponding display data, each casing completes display simultaneously.
Preferably, the memory module in above-mentioned LED display screen system adopts non-volatile memory chip, and after such power down, data can not be lost, and do not need again to write after powering on next time.
Preferably, above-mentioned storage chip adopts first-in first-out to carry out data storage.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.

Claims (7)

1. a LED display screen system, is characterized in that, comprising: LED screen body signal generation apparatus, some sub-controllers and the some display modules that connect corresponding to each described sub-controller;
Described sub-controller comprises cascade input module, cascaded-output module, memory module and display control module, described display control module is connected between described cascade input module and described cascaded-output module, described memory module is connected with described display control module, for reading and storing the location information data of described sub-controller, call for described display control module, described memory module adopts non-volatile memory chip; Sub-controller described in each respectively by described cascade input module and described cascaded-output module connected in series;
Described LED screen body signal generation apparatus arranges a locus module, for being received the information of the locus of each described sub-controller by active receive mode;
Described LED screen body signal generation apparatus is connected with the cascade input module of the first sub-controller being positioned at initiating terminal connected in series, for by the said shank pre-seted, by computer, hand-held input terminal or computer-readable recording medium, input the locus of each sub-controller, generate the location information data of each described sub-controller according to the locus of each described sub-controller, be written in memory module by the cascade input port of each sub-controller; Series display Data Concurrent also for generating described LED display each lamp point delivers to the cascade input module of described first sub-controller, and wherein, described series display packet contains station location marker, described station location marker and described location information data one_to_one corresponding;
Described display control module is according to the described location information data read from described memory module, and the described station location marker in described series display data, intercept from described series display data and show data accordingly, be sent to the described display module that described in its place, sub-controller correspondence connects, to realize luminescence display;
Wherein, described LED screen body signal generation apparatus arranges a station location marker module, for the location information data according to each described sub-controller, one_to_one corresponding generates the station location marker of each described sub-controller, and the series display Data Concurrent generating described LED display each lamp point accordingly by described LED screen body signal generation apparatus delivers to the cascade input module of described first sub-controller.
2. LED display screen system according to claim 1, is characterized in that, described LED screen body signal generation apparatus adopts USB, cable network or radio network interface, is connected with the cascade input module of described first sub-controller.
3. LED display screen system according to claim 1, is characterized in that, each described display module and each described sub-controller connect one to one respectively.
4. based on a control method for LED display screen system described in claim 1, it is characterized in that, comprise the following steps:
Step 1: by the said shank pre-seted, by computer, hand-held input terminal or computer-readable recording medium, inputs the locus of each sub-controller, generates the location information data of each sub-controller connected in series;
Step 2: transmit described location information data to each described sub-controller;
Step 3: each described sub-controller, respectively by described location information data, is written in memory module by the cascade input port of each sub-controller;
Step 4: according to the locus of each described sub-controller, the series display Data Concurrent generating described LED display each lamp point delivers to each described sub-controller; Wherein, described series display packet contains station location marker, described station location marker and described location information data one_to_one corresponding;
Step 5: each described display control module is according to respectively from the described memory module of its corresponding described sub-controller, read the described station location marker comprised in corresponding described location information data, described series display data, intercept from described series display data accordingly and show data accordingly, described memory module adopts non-volatile memory chip;
Wherein, according to the location information data of each described sub-controller, one_to_one corresponding generates the station location marker of each described sub-controller, and the series display Data Concurrent generating described LED display each lamp point accordingly by described LED screen body signal generation apparatus delivers to the cascade input module of described first sub-controller.
5. control method according to claim 4, is characterized in that, by USB, cable network or radio network interface transmission data.
6. control method according to claim 4, is characterized in that, adopts non-volatile memories mode to carry out data storage.
7. control method according to claim 4, is characterized in that, adopts first-in first-out to carry out data storage.
CN200910237768.XA 2009-11-18 2009-11-18 A kind of LED display screen system and control method Expired - Fee Related CN101877207B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910237768.XA CN101877207B (en) 2009-11-18 2009-11-18 A kind of LED display screen system and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910237768.XA CN101877207B (en) 2009-11-18 2009-11-18 A kind of LED display screen system and control method

Publications (2)

Publication Number Publication Date
CN101877207A CN101877207A (en) 2010-11-03
CN101877207B true CN101877207B (en) 2015-11-25

Family

ID=43019747

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910237768.XA Expired - Fee Related CN101877207B (en) 2009-11-18 2009-11-18 A kind of LED display screen system and control method

Country Status (1)

Country Link
CN (1) CN101877207B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102081543A (en) * 2011-01-25 2011-06-01 冉红 Online upgrading method of LED (light emitting diode) display control system
CN102509542A (en) * 2011-10-21 2012-06-20 深圳市创凯电子有限公司 Cascade display control method among multiple large-screen spliced image controllers
CN102697370B (en) * 2012-06-20 2015-01-21 黄曙阶 Christmas tree for displaying full color pattern and animation and control method of Christmas tree
CN102890911B (en) * 2012-09-07 2014-10-29 深圳市易事达电子股份有限公司 Light-emitting diode (LED) display screen controller
CN102929810A (en) * 2012-11-14 2013-02-13 四川长虹电子系统有限公司 Splicing displaying unit address setting method in spliced wall
CN103093740B (en) * 2012-12-19 2015-10-07 广东威创视讯科技股份有限公司 Splice displaying system and installation method thereof
CN103745682B (en) * 2013-07-03 2017-03-15 上海视恒电子科技有限公司 A kind of method of asynchronous cascade
TWI525590B (en) * 2013-07-04 2016-03-11 精拓科技股份有限公司 Method and apparatus for performing light emitting diode display control
CN103400550B (en) * 2013-08-16 2015-06-03 西安诺瓦电子科技有限公司 LED lamp panel, LED box body and LED display screen
CN104361864B (en) * 2014-12-01 2017-06-27 杭州士兰微电子股份有限公司 LED modules and its port controlling method and LED display system
CN104503724B (en) * 2014-12-25 2018-01-23 广东威创视讯科技股份有限公司 Combination ring connects the method and system of configuration
CN106910455B (en) * 2015-12-22 2019-04-19 比亚迪股份有限公司 LED control system and control method for LED control system
CN105976752A (en) * 2016-04-27 2016-09-28 江苏利鼎微系统有限公司 Scanning method of high refresh rate 1/64 scanning P4 full color LED display module group
CN105741757A (en) * 2016-04-27 2016-07-06 南京大学 High-refresh-rate 1/16 scanning P4 full-color LED display device and scanning method thereof
CN106681678A (en) * 2017-01-06 2017-05-17 浙江宇视科技有限公司 Method and device for modifying splicing screen address parameters
CN107103851A (en) * 2017-06-21 2017-08-29 郑州胜龙信息技术股份有限公司 A kind of LED curved surfaces three-dimensional shows system
CN110502204A (en) * 2019-08-26 2019-11-26 深圳蓝普科技有限公司 A kind of splice displaying system and its signal control method
CN113436572B (en) * 2021-05-17 2022-02-22 卡莱特云科技股份有限公司 Correction method and device irrelevant to direction of LED box body and LED display screen
CN113096591B (en) * 2021-06-08 2021-08-27 成都成电光信科技股份有限公司 LED display video transmission method
CN113889031A (en) * 2021-09-30 2022-01-04 东莞阿尔泰显示技术有限公司 Display data distribution method and system of novel display module
CN114203102A (en) * 2021-11-04 2022-03-18 东莞阿尔泰显示技术有限公司 Display data distribution method and system of display module
CN114093314B (en) * 2022-01-19 2022-08-30 北京显芯科技有限公司 Address setting method and device and display device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1383538A (en) * 2000-06-30 2002-12-04 日亚化学工业株式会社 Display unit communication system, communication method, display unit, its circuit and terminal adapter
CN1805541A (en) * 2005-01-14 2006-07-19 Lg电子株式会社 Multi-screen system and driving method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080109725A1 (en) * 2005-08-05 2008-05-08 Samsung Electronics Co., Ltd. Apparatus for providing multiple screens and method of dynamically configuring multiple screens
JP5459928B2 (en) * 2006-10-12 2014-04-02 キヤノン株式会社 Display control device and display device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1383538A (en) * 2000-06-30 2002-12-04 日亚化学工业株式会社 Display unit communication system, communication method, display unit, its circuit and terminal adapter
CN1805541A (en) * 2005-01-14 2006-07-19 Lg电子株式会社 Multi-screen system and driving method thereof

Also Published As

Publication number Publication date
CN101877207A (en) 2010-11-03

Similar Documents

Publication Publication Date Title
CN101877207B (en) A kind of LED display screen system and control method
CN103530216B (en) A kind of PCIE based on UVM verifies system
CN101783812A (en) FPGA configuration system and configuration method based on network
CN103455413B (en) A kind of communicating terminal interaction scenarios test data processing method, device and system
CN106843983A (en) The system and method for remote upgrading field programmable gate array
CN105790830B (en) Optical module is in position detecting method and device
CN102667649A (en) Multi-processor based programmable logic controller and method for operating the same
CN111082478A (en) Battery management system
CN104866423A (en) Software configuration item test method and system
CN107390394B (en) Liquid crystal module testing system based on SOPC
CN113409722B (en) Display method and receiving card of LED display screen with special-shaped structure
CN102063939B (en) Method and device for implementing electrically erasable programmable read-only memory
US20140313101A1 (en) Electronic device and method for image content assignment
CN101876825B (en) Human-computer interface device of small PLC
CN107817394A (en) A kind of device and method of charging pile long-distance intelligent self-test
CN104332135A (en) Parallel display circuit and display device thereof
CN102354205B (en) Method and device for testing control cabinet of electric locomotive
CN107621943A (en) A kind of FPGA dynamic batch programming system and method
CN110706537A (en) Digital circuit training platform based on virtual chip and wireless management and application method
CN106383726A (en) Signal adapter updating method based on image video transmission interface
CN104900187B (en) LED display boards control method and control device, LED control cards
CN204576492U (en) A kind of proving installation of software configuration item
CN201562267U (en) FPGA configuration system based on internet
CN105163108A (en) Image data dummy source
CN209401018U (en) Pacify auxiliary device and the system of arranging

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
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20191114

Address after: 21 Tianyang South Road, Tianning Town, Jiashan County, Jiaxing City, Zhejiang Province

Patentee after: JIAXING HUANHUANTONG PLASTICS CO., LTD.

Address before: 100085 Beijing city Haidian District East Road No. 1 building E room 402B power Creative Park

Patentee before: Beijing Jushu Digital Technology Development Co., Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 21 Tianyang South Road, Tianning Town, Jiashan County, Jiaxing City, Zhejiang Province

Patentee after: Jiaxing Huantong Plastics Technology Co.,Ltd.

Address before: 21 Tianyang South Road, Tianning Town, Jiashan County, Jiaxing City, Zhejiang Province

Patentee before: JIAXING HUANHUANTONG PLASTICS Co.,Ltd.

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: 20151125

Termination date: 20201118