CN103618755A - Vehicle-mounted multi-screen interactive system based on wireless transmission - Google Patents
Vehicle-mounted multi-screen interactive system based on wireless transmission Download PDFInfo
- Publication number
- CN103618755A CN103618755A CN201310195716.7A CN201310195716A CN103618755A CN 103618755 A CN103618755 A CN 103618755A CN 201310195716 A CN201310195716 A CN 201310195716A CN 103618755 A CN103618755 A CN 103618755A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- terminal
- display device
- display
- wireless transmission
- 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
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a vehicle-mounted multi-screen interactive system based on wireless transmission. The system includes that (a) vehicle-mounted multi-screen interactive apparatus display information is emitted by a server; (b) a vehicle-mounted multi-screen interactive terminal is matched according to definition of the display information; (c) data content is converted according to the display performance of the matched terminal; (d) a communication access system transmits information to a vehicle-mounted terminal through a wireless network, according to a terminal information reception list; (e) a vehicle-mounted communication unit is controlled by a vehicle-mounted terminal central controller to be accessed to the communication access system; (f) the central controller transmits a display control instruction to an identified display device through a vehicle-mounted communication gateway, according to received display content; (g) a display device displays and outputs the content according to a control instruction; and (h) the display device feeds device states and displays results back to the central controller through a communication module. By using the technical scheme disclosed by the invention, a wireless transmission technology can be effectively used by a vehicle-mounted multi-screen interactive apparatus to acquire remote information, to remotely predefine the information content of the vehicle-mounted multi-screen interactive apparatus, and to transmit the display apparatus state in a vehicle and running data to a cloud system.
Description
Technical field
The present invention relates to the multi-screen device on a kind of automobile or mobile Internet, further relate to and adopt the automobile of wireless transmission or the multi-screen device on mobile Internet.
Background technology
Vehicle-mounted multi-screen interactive is information sharing and the control that realizes a plurality of display unit in car.Mainly by master control equipment, by CVBS interface, by video and audio signal, transfer to one or more from control appliance, the signal that receives master control equipment by AVIN interface from control appliance is inputted, and in its display unit, carry out simultaneous display, thereby realize the interaction of multi-screen.
At present, we will need to show a content by the multi-display apparatus in car, generally content need to be passed through to movable storage device, as equipment such as portable hard drive and USB flash disks, content is carried in car, and copy the master control equipment of vehicle-mounted multi-screen device to, by master control equipment, carried out broadcasting and the synchronization interactive of information; Existing Multi-screen interaction system is all very complicated by wired connection, expansion and maintenance; Another situation, the Multi-screen display system in car, all cannot contact with the external world at present, forms information island, brings inconvenience very to human pilot and passenger, in some situation, even can threaten driving safety.
Number of patent application is that CN102457704A has announced a kind of car-mounted display control system, has realized a kind of vehicle-mounted multi-screen interaction system of coordinating to control many Che Chenei display screen displaying contents and control command.Mainly by master-slave controller, communicate, and realize independently controlling of showing, its main transmission of video and audio-frequency information by controller separately.
Comprehensive existing vehicle-mounted multi-display apparatus and system, major defect comprises:
1. cannot realize Remote Acquisitioning information, and simultaneous display in vehicle-mounted multi-screen interaction system automatically;
2. content that cannot long-range self-defined vehicle-mounted multi-screen device, and active push is in vehicle-mounted multi-display apparatus;
3. cannot be according to the ability of each display device of multi-screen interactive equipment, its suitable demonstration information of long-range definition, if any the equipment applicable demonstration multimedia messages that is only suitable for display text, has;
4. multi-display apparatus state, vehicle location and vehicle-state in car cannot be sent to service end system, to obtain the ruuning situation of each device, vehicle and equipment;
5. multi-screen interactive device or system in car, generally all export by CVBS, need carry out wired connection, trouble is installed, poor expandability.
Summary of the invention
For this reason, be necessary to provide a kind of Multi-screen interaction system, can solve the problem that above-mentioned multi-screen interactive device exists, carry out long-range definition, carry out interaction etc. with the outer device of car.
The invention provides a kind of vehicle-mounted multi-screen interaction system based on wireless transmission, comprising:
A) service end is issued vehicle-mounted multi-screen interactive device demonstration information, and the information content comprises: data content, demonstration initial time, demonstration number of times, the time interval, display device sign, display device quantity and display device geographical distribution;
B) according to showing information definition, mate vehicle-mounted multi-screen interactive terminal, and create receiving terminal list and obtain its display capabilities;
C) according to the display capabilities of institute matched termination, data content is changed, and created terminal message reception list;
D) according to terminal message, receive list, communication connecting system sends a message to car-mounted terminal by wireless network;
E) car-mounted terminal central controller controls vehicle communicating cell incoming communication connecting system, receives data-message, and stores in memory cell;
F), according to the displaying contents receiving, central controller is the display device transmission demonstration control command to sign by vehicle mounted communication gateway;
G) display device, according to control command, obtains displaying contents by vehicle mounted communication gateway, carries out content and shows output;
H) display device controller is by communication module, and by equipment state with show that result feedback is to central controller, central controller is sent to service end by result;
Preferably, described data content, is specially: text, picture, Voice & Video content;
Preferably, the display device sign described in step a, is specially: display device numbering, display device position and device type;
Preferably, the coupling car-mounted terminal described in step b, is specially: according to display device quantity, area, equipment home to return to and real time position, obtain display terminal list;
Preferably, the equipment display capabilities described in step c, is specially: display format (containing word, picture, Voice & Video), message length, switching frequency;
Preferably, data content conversion described in step c, is specially: information display format and the message length according to terminal, supported, data content is carried out to subpackage and filtration;
Preferably, the communication connecting system described in steps d, is specially: with authentication, data transmit-receive, instruction parsing and the communication link of terminal iidentification, safeguard and process;
Preferably, the central controller described in step e, is characterized in that: be connected with communication module with SOS input, video input, GPS unit, realize warning in car, image and real time position and report to service end;
Preferably, the control command described in step f, is specially: facility switching, equipment switch, sound is looked controls, video control and content switching command;
Preferably, communication link is safeguarded and is specially: according to timing heartbeat message, determine that each final link connects validity, if do not receive regularly heartbeat message, be defined as countless links, link disconnects;
Compare with the contact cotrol head of prior art, advantage of the present invention is:
The technical scheme disclosing by the present invention, can effectively utilize Radio Transmission Technology to realize vehicle-mounted multi-screen interactive device and obtain remote information; Realize the information content of the vehicle-mounted multi-screen interactive device of remote reservation justice; Realize simultaneously display unit state and travelling data in car are transferred to high in the clouds system.
Accompanying drawing explanation
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
The vehicle-mounted multi-screen interaction system schematic diagram of Fig. 1 wireless transmission of the present invention.
Fig. 2 is information issue flow chart of the present invention.
Fig. 3 is multi-screen interactive flow for displaying figure of the present invention.
Embodiment
The present invention discloses a kind of vehicle-mounted multi-screen interactive device and system based on wireless transmission, can effectively realize, and the information of receiving remote information issuing system, and realize synchronization interactive in vehicle-mounted multi-screen device.Shown in Fig. 1, its scheme is as follows:
Information issuing system is issued vehicle-mounted multi-screen interactive device displaying contents, and the information content comprises: time, the information content, issue mode, display device sign, communication modes, recipient's sign or vehicle-mounted receiver apparatus sign;
1. information issuing system further comprises according to the information processing that issues mode
A) propelling movement type issues, and delivery system is crossed information exchange to be issued to communication connecting system, and communication connecting system, according to display device sign and receiving system sign, is issued to vehicle communicating cell;
B) request formula issues, and while having vehicle-mounted multi-screen interactive device to initiate request, issues;
2. communication connecting system, mainly realizes the authentication of terminal, data transmit-receive, instruction parsing and communication link is safeguarded;
3. vehicle communicating cell, the main data message receiving from GPRS/3G network, and by the transfer of data in car to external system:
4. central controller unit, is connected with memory cell with vehicle communicating cell, SOS input, video input, GPS locating module, vehicle mounted communication gateway, further comprises
A) receive the information from information transmit-receive unit, and be sent to vehicle mounted communication gateway and memory cell, vehicle mounted communication gateway is synchronized to each display device transceiver module;
B) receive and come from the transceiver module information of GPS locating module, each display device, and control vehicle communicating cell and information is uploaded to communication connecting system;
C) receive SOS input signal, and by communication module, SOS signal is sent to service end
D) receiver, video input signal, and by vehicle mounted communication module, video and pictorial information are sent to service end
5. memory cell is connected with central controller, and the information that central processing unit is received and sent is stored:
6. vehicle mounted communication gateway is connected with central controller, to each display control apparatus, provides WIFI or the access of 2.4G focus, realizes the data of each equipment in car and pays;
7. communication module 1 is to communication module N, is connected, and carries out data communication with car borne gateway with device controller separately, and data communication further comprises:
A) control command, the control command being sent by central controller, comprises that facility switching instruction, equipment switching command, sound look control command, video control command;
B) synchronization interactive displaying contents, comprises text, picture, Voice & Video;
C) display device state and request feedback, the request that the state of each display device and user send by each display device terminal;
8. controller 1 is to controller N, is connected with communication module, display screen and audio frequency apparatus separately, completes the control with its connection device;
9. display device 1, to display device N, is connected with controller, completes from controller reception demonstration information and shows;
Based on foregoing invention thinking, the specific embodiment of the present invention is as follows:
A kind of vehicle-mounted multi-screen interactive device and system based on wireless transmission is provided, employing wireless transmission technology and vehicle-mounted data transmission control technology, realize remote information shown in vehicle-mounted multi-screen device, and it comprises that information issue, multi-screen interactive show 2 flow processs, specific as follows
Wherein Figure 2 shows that information issue flow chart:
Step 101: publisher submits to and releases news, and the information content comprises: data content, demonstration initial time, demonstration number of times, the time interval, display device sign, display device quantity and display device geographical distribution
Step 102: match information recipient, mainly according to displaying time requirement, display device sign, display device quantity and address location, mate satisfactory vehicle-mounted display terminal;
Step 103: obtain terminal equipment display capabilities, according to car-mounted terminal that step 102 is mated, system acquisition receiving party's terminal detail parameters, terminal iidentification, device type, demonstration message length, demonstration switching interval;
Step 104: Data Format Transform, is specially: according to the display capabilities of terminal, information display format and the message length supported by terminal, carry out subpackage and filtration by data content;
Step 105: system judges whether to issue with the propelling movement mode information of carrying out, and if so, enters step 106, if otherwise enter step 108;
Step 106: deliver message value communication connecting system, delivery system is sent to communication connecting system by the message after conversion;
Step 107: whether sense terminals equipment is online, communication connecting system detects and judges that whether recipient's terminal is online, if so, enters step 109, if otherwise enter step 108;
Step 108: off-line buffer memory, when terminal is not online, communication system carries out off-line caching process by the message of delivery system issue, waits for the terminal reception of reaching the standard grade;
Step 109: data subpackage, if terminal is online, message content, is the bag that terminal can reception & disposal by Data Division, splitting datagram is drawn together: message identifier, recipient's sign, packet sum, current numbering, data packet length and packet content information
Step 110: Packet Generation, the packet by after splitting, is issued to car-mounted terminal by communication connecting system;
Step 111: packet Receipt Validation Message Processing, the packet that end-on is received carries out CRC check and integrality is processed, and the result is fed back to client;
Step 112: communication connecting system judges whether packet authentication is passed through, if passed through, enters step 113, if not, enters step 110;
Step 113: send outcome record, communication connecting system record sends result, comprising: transmitting time, time of reception, the frequency of failure and end time;
Wherein Figure 3 shows that multi-screen interactive flow for displaying figure:
Step 101: terminal installation starts, system initialization, central controller self check, each signaling module self check and each display device self check, and recording equipment state, enter step 102.
Step 102: terminal is according to terminal iidentification incoming communication system, and the self-detection result of upper transmission terminal, enters step 103;
Step 103: communication connecting system judges according to terminal iidentification whether terminal has off-line buffered message, if so, enters step 105, if not, enters step 104;
Step 104: communication connecting system, by default message, carries out data subpackage, and packet content comprises: packet sequence number, terminal iidentification, data packet length, packet sum, data content and data check position;
Step 105: packet receives, receives the packet from communication connecting system, containing default data and 2 kinds of packets of off-line data bag;
Step 106: packet verifies, terminal central controller carries out data verification to the terminal showing, and verification mode mainly comprises the checking of data content CRC cyclic redundancy check (CRC) code;
Step 107: judge whether packet authentication is passed through, if so, enter step 108, if otherwise enter step 105;
Step 108: packet assembling, according to the packet receiving, by sequence number, carry out the sticky package operation of data;
Step 109: data storage, central controller, by the data that receive from communication unit, calls memory interface and carries out data storage in memory cell;
Step 110: according to receiving data content, create multi-screen control command, control command creates Main Basis: show initial time, demonstration number of times, the time interval, display device sign;
Step 111: instruction sends, controller, by Communication Gateway, is sent to each display device by control command, and each display device receives control command;
Step 112: central controller judges whether each display device has carried out control command, if display device is carried out instruction, enters step 114, if not, enters step 111;
Step 113: obtain play content, display device controller obtains in simultaneous display;
Step 114: information is synchronously play, each display device shows output processing by the content of obtaining;
The improvement that the present invention carries out mainly for vehicle-mounted multi-screen system, the foregoing is only preferred embodiment of the present invention, non-so limit to the scope of the claims of the present invention, therefore simple and easy variation and the equivalent transformation of such as doing by specification of the present invention and graphic content, all should be contained in the scope of the claims of the present invention.
Claims (10)
1. the vehicle-mounted multi-screen interaction system based on wireless transmission, is characterized in that described interaction systems comprises:
A) service end is issued vehicle-mounted multi-screen interactive device demonstration information, and the information content comprises: data content, demonstration initial time, demonstration number of times, the time interval, display device sign, display device quantity and display device geographical distribution;
B) according to showing information definition, mate vehicle-mounted multi-screen interactive terminal, and create receiving terminal list and obtain its display capabilities;
C) according to the display capabilities of institute matched termination, data content is changed, and created terminal message reception list;
D) according to terminal message, receive list, communication connecting system sends a message to car-mounted terminal by wireless network;
E) car-mounted terminal central controller controls vehicle communicating cell incoming communication connecting system, receives data-message, and stores in memory cell;
F), according to the displaying contents receiving, central controller is the display device transmission demonstration control command to sign by vehicle mounted communication gateway;
G) display device, according to control command, obtains displaying contents by vehicle mounted communication gateway, carries out content and shows output;
H) display device controller is by communication module, and by equipment state with show that result feedback is to central controller, central controller is sent to service end by result.
2. the vehicle-mounted multi-screen interaction system based on wireless transmission according to claim 1, is characterized in that: described data content is specially: text, picture, Voice & Video content.
3. the vehicle-mounted multi-screen interaction system based on wireless transmission according to claim 1, is characterized in that: the display device sign described in step a is specially: display device numbering, display device position and device type.
4. the vehicle-mounted multi-screen interaction system based on wireless transmission according to claim 1, is characterized in that: the coupling car-mounted terminal described in step b is specially: according to display device quantity, area, equipment home to return to and real time position, obtain display terminal list.
5. the vehicle-mounted multi-screen interaction system based on wireless transmission according to claim 1, is characterized in that: the equipment display capabilities described in step c is specially: display format (containing word, picture, Voice & Video), message length, switching frequency.
6. the vehicle-mounted multi-screen interaction system based on wireless transmission according to claim 1, is characterized in that: described in step c, data content conversion is specially: information display format and the message length according to terminal, supported, data content is carried out to subpackage and filtration.
7. the vehicle-mounted multi-screen interaction system based on wireless transmission according to claim 1, is characterized in that: the communication connecting system described in steps d, is specially: with authentication, data transmit-receive, instruction parsing and the communication link of terminal iidentification, safeguard and process.
8. the vehicle-mounted multi-screen interaction system based on wireless transmission according to claim 1, is characterized in that: the control command described in step f, is specially: facility switching, equipment switch, sound is looked controls, video control and content switching command.
9. the vehicle-mounted multi-screen interaction system based on wireless transmission according to claim 1, it is characterized in that: communication link is safeguarded and is specially: according to timing heartbeat message, determine that each final link connects validity, if do not receive regularly heartbeat message, be defined as invalid link, link disconnects.
10. the vehicle-mounted multi-screen interaction system based on wireless transmission according to claim 1, it is characterized in that: the central controller described in step e, it is characterized in that: be connected with communication module with SOS input, video input, GPS unit, realize warning in car, image and real time position and report to service end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195716.7A CN103618755A (en) | 2013-05-21 | 2013-05-21 | Vehicle-mounted multi-screen interactive system based on wireless transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195716.7A CN103618755A (en) | 2013-05-21 | 2013-05-21 | Vehicle-mounted multi-screen interactive system based on wireless transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103618755A true CN103618755A (en) | 2014-03-05 |
Family
ID=50169459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310195716.7A Pending CN103618755A (en) | 2013-05-21 | 2013-05-21 | Vehicle-mounted multi-screen interactive system based on wireless transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103618755A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106919356A (en) * | 2017-01-20 | 2017-07-04 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method for information display and device |
| CN107562399A (en) * | 2016-06-30 | 2018-01-09 | 上海擎感智能科技有限公司 | A kind of vehicle-mounted translation shows multi-screen system and a kind of vehicle |
| CN109889877A (en) * | 2019-03-29 | 2019-06-14 | 上海势航网络科技有限公司 | Car multi-screen display control method and device |
| CN112298017A (en) * | 2020-10-19 | 2021-02-02 | 上海仙塔智能科技有限公司 | Interactive system, method and computer storage medium |
| CN112489661A (en) * | 2019-08-23 | 2021-03-12 | 上海汽车集团股份有限公司 | Vehicle-mounted multi-screen communication method and device |
| CN115022708A (en) * | 2022-05-31 | 2022-09-06 | 咪咕视讯科技有限公司 | Multi-screen interaction method and device, network equipment and terminal |
| CN116055660A (en) * | 2023-04-03 | 2023-05-02 | 广州聚融电子科技有限公司 | Vehicle-mounted video entertainment system capable of realizing multi-screen interaction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785723A (en) * | 2005-09-09 | 2006-06-14 | 中国科学院自动化研究所 | Vehicle imbedding type system |
| CN101621735A (en) * | 2009-08-07 | 2010-01-06 | 赵阳 | Vehicle real-time information system based on the third-generation mobile communication |
| CN101867596A (en) * | 2009-04-15 | 2010-10-20 | 福特全球技术公司 | Vehicle wireless information system |
| CN101890923A (en) * | 2009-05-22 | 2010-11-24 | 触动多媒体技术（上海）有限公司 | Vehicle-mounted multimedia advertisement recreational interactive equipment system |
| JP2011043382A (en) * | 2009-08-20 | 2011-03-03 | Navitime Japan Co Ltd | Navigation system, navigation device, navigation server, and stored data deletion method |
| CN102682182A (en) * | 2011-03-09 | 2012-09-19 | 上海思穆电子科技有限公司 | Multiscreen independent-operated vehicle information system with novel architecture |
| CN102761860A (en) * | 2012-07-24 | 2012-10-31 | 中兴通讯股份有限公司 | Method and system for presenting terminal service |
-
2013
- 2013-05-21 CN CN201310195716.7A patent/CN103618755A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785723A (en) * | 2005-09-09 | 2006-06-14 | 中国科学院自动化研究所 | Vehicle imbedding type system |
| CN101867596A (en) * | 2009-04-15 | 2010-10-20 | 福特全球技术公司 | Vehicle wireless information system |
| CN101890923A (en) * | 2009-05-22 | 2010-11-24 | 触动多媒体技术（上海）有限公司 | Vehicle-mounted multimedia advertisement recreational interactive equipment system |
| CN101621735A (en) * | 2009-08-07 | 2010-01-06 | 赵阳 | Vehicle real-time information system based on the third-generation mobile communication |
| JP2011043382A (en) * | 2009-08-20 | 2011-03-03 | Navitime Japan Co Ltd | Navigation system, navigation device, navigation server, and stored data deletion method |
| CN102682182A (en) * | 2011-03-09 | 2012-09-19 | 上海思穆电子科技有限公司 | Multiscreen independent-operated vehicle information system with novel architecture |
| CN102761860A (en) * | 2012-07-24 | 2012-10-31 | 中兴通讯股份有限公司 | Method and system for presenting terminal service |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107562399A (en) * | 2016-06-30 | 2018-01-09 | 上海擎感智能科技有限公司 | A kind of vehicle-mounted translation shows multi-screen system and a kind of vehicle |
| CN106919356A (en) * | 2017-01-20 | 2017-07-04 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method for information display and device |
| CN109889877A (en) * | 2019-03-29 | 2019-06-14 | 上海势航网络科技有限公司 | Car multi-screen display control method and device |
| CN112489661A (en) * | 2019-08-23 | 2021-03-12 | 上海汽车集团股份有限公司 | Vehicle-mounted multi-screen communication method and device |
| CN112489661B (en) * | 2019-08-23 | 2024-04-12 | 上海汽车集团股份有限公司 | Vehicle-mounted multi-screen communication method and device |
| CN112298017A (en) * | 2020-10-19 | 2021-02-02 | 上海仙塔智能科技有限公司 | Interactive system, method and computer storage medium |
| CN115022708A (en) * | 2022-05-31 | 2022-09-06 | 咪咕视讯科技有限公司 | Multi-screen interaction method and device, network equipment and terminal |
| CN115022708B (en) * | 2022-05-31 | 2024-03-12 | 咪咕视讯科技有限公司 | Multi-screen interaction method and device, network equipment and terminal |
| CN116055660A (en) * | 2023-04-03 | 2023-05-02 | 广州聚融电子科技有限公司 | Vehicle-mounted video entertainment system capable of realizing multi-screen interaction |
| CN116055660B (en) * | 2023-04-03 | 2023-09-29 | 广州聚融电子科技有限公司 | Vehicle-mounted video entertainment system capable of realizing multi-screen interaction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103618755A (en) | Vehicle-mounted multi-screen interactive system based on wireless transmission | |
| US10638186B2 (en) | Remote control system, remote commander, and remote control server | |
| CN103634205A (en) | Vehicular entertainment system with integrated instant messaging/social application and method | |
| CN103491122A (en) | Multiple screen display interactive system and airsharing method | |
| US20100157964A1 (en) | Server to guide reconnection in mobile internet, method for guiding server reconnection, and server reconnection method | |
| CN111461556A (en) | Staring control platform, method and equipment for railway electric service operation and storage medium | |
| CN111586098A (en) | Data transmission method, device, equipment and computer readable storage medium | |
| CN102948116A (en) | Method and apparatus for transmitting content to plurality of devices | |
| US9219539B2 (en) | Communication system, transmission apparatus, reception apparatus, and communication method | |
| CN109936840A (en) | Communication means, device and electronic equipment | |
| US8984566B2 (en) | Video entertainment system | |
| CN112383376A (en) | Emergency broadcasting system based on unmanned aerial vehicle relay communication | |
| CN102122472B (en) | Advertising machine system with remote timing function | |
| GB2416464A (en) | Time-division synchronization radio modem apparatus | |
| CN106559533B (en) | A kind of handset remote controller, remote control system and method | |
| KR101612325B1 (en) | THE SMART ELECTRONIC DISPLAY WITH IoT MODULE | |
| CN115865169A (en) | Aircraft system based on Beidou short message communication | |
| KR101924313B1 (en) | System for m2m adaptive platform | |
| CN105871489B (en) | Campus Broadcasting System | |
| CN106921946B (en) | Dispatching desk | |
| KR100879888B1 (en) | Vehicle ID Service System ? Method Using ECU | |
| CN109302542A (en) | Long-distance monitoring method, device, equipment and storage medium based on GSM | |
| TWI745953B (en) | Mobile communication device for receiving traffic dispatch commmand and its method | |
| KR100579942B1 (en) | Train broadcast system with optical lines | |
| CN203537572U (en) | 3G Beidou-based intelligent multimedia mobile terminal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140305 |