CN203005724U - Life jacket with sea lifesaving locating icon of Big Dipper RDSS (Radio Determination Satellite Service) navigation system - Google Patents
Life jacket with sea lifesaving locating icon of Big Dipper RDSS (Radio Determination Satellite Service) navigation system Download PDFInfo
- Publication number
- CN203005724U CN203005724U CN 201220727304 CN201220727304U CN203005724U CN 203005724 U CN203005724 U CN 203005724U CN 201220727304 CN201220727304 CN 201220727304 CN 201220727304 U CN201220727304 U CN 201220727304U CN 203005724 U CN203005724 U CN 203005724U
- Authority
- CN
- China
- Prior art keywords
- big dipper
- dipper rdss
- life jacket
- unit
- navigationsystem
- 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
Images
Abstract
The utility model discloses a life jacket with a sea lifesaving locating icon of a Big Dipper RDSS (Radio Determination Satellite Service) navigation system. The life jacket comprises a life jacket body and the sea lifesaving locating icon based on the Big Dipper RDSS navigation system, wherein the sea lifesaving locating icon is fixed on the life jacket body, and comprises a structure part and a circuit part; the structure part is a waterproof housing; the circuit part is closed in the waterproof housing and comprises an antenna, a Big Dipper RDSS unit and a terminal control unit; and the terminal control unit controls the work of the Big Dipper RDSS unit. According to the technical scheme, the life jacket has the advantages and the effects that a life jacket wearer can realize self rescuing after falling into water by the life jacket, and can transmit falling coordinates to a rescuing center to assist the rescuing center in accurately rescuing the life jacket wearer. The life jacket can be used for accurately locating position coordinate information of an emergency situation in real time.
Description
One, technical field
The invention relates to the application of the Technique of Satellite Navigation and Positioning of the communications field, particularly a kind of individual target life jacket of locating of sea rescue of realizing with Big Dipper RDSS system.
Two, background technology
At present, in the activities such as the open-air scientific investigation such as ocean, desert, jungle, exploration, tourism, the SOS means under emergency situations are also deficienter, disturbed by the factor such as external environment larger.Existing life jacket scheme only can provide the individual to float on the sea, the unlikely seabed of sinking to.Although existing life jacket is easy to carry, uses simply, is subjected to external environmental interference larger, although be equipped with the equipment such as floating lamp on life jacket, but can't accurately locate, particularly can't tell exactly the rescue worker with self floating position, be unfavorable for implementing rapidly and accurately rescue.
Because existing life jacket product can only guarantee that wearer self is floating, all can not accurately tell the rescuer with the location information that accident occurs, therefore traditional rescue mode is all that the hauling type carpet is searched and rescued, and the search and rescue time is long, success ratio is low, and human resources expend greatly.
Three, summary of the invention
in order to solve the above-mentioned problems in the prior art, especially tackle in sea rescue rescue center and can't accurately locate victim's accurate orientation problem when accident occurs, the utility model combines advanced person's Big Dipper sea rescue mark product and life jacket, provide a kind of sea rescue with Big Dipper RDSS satellite navigation system to locate the target life jacket, realized sea rescue accurate location the in real time, and regularly real-time positioning information is sent to rescue center by big-dipper satellite, implement concrete search and rescue measure by rescue center according to location coordinate information, allow the user improve the success ratio of being rescued when saving oneself.Concrete technical scheme of the present utility model is as follows:
A kind of band Big Dipper RDSS navigationsystem sea rescue location target life jacket comprises the life jacket body and locates mark based on the sea rescue of Big Dipper RDSS navigationsystem;
Described sea rescue based on Big Dipper RDSS navigationsystem is located mark and is fixed on the life jacket body;
Described sea rescue based on Big Dipper RDSS navigationsystem is located mark, comprises structure division and circuit part; Described structure division is water proof case, and circuit part is enclosed in this water proof case; Described circuit part comprises antenna, Big Dipper RDSS unit and terminal control unit;
Described Big Dipper RDSS unit comprises low noise amplifier LNA, Big Dipper RDSS radio frequency unit, A/D converter, Big Dipper RDSS baseband signal processing unit and preamplifier PA; Signal from antenna passes to the input end of the receiving cable of Big Dipper RDSS radio frequency unit through low noise amplifier LNA, pass to the signal input part of Big Dipper RDSS baseband signal processing unit through the signal after frequency conversion through A/D converter from the output signal of the receiving cable of Big Dipper RDSS radio frequency unit; The signal output part of Big Dipper RDSS baseband signal processing unit connects the input end of the transmission channel of Big Dipper RDSS radio frequency unit, and the output signal of the transmission channel of Big Dipper RDSS radio frequency unit passes through antenna transmission after amplifying through preamplifier PA;
Described terminal control unit comprises battery, power control unit, MCU and switch element; It is Big Dipper RDSS unit power supply and MCU power supply that described power control unit is controlled battery; Described switch element comprises tactile water drain cock, touches water drain cock and connects the on-off signal input end of controlling power control unit; The control signal mouth of MCU connects the control signal input end of Big Dipper RDSS baseband signal processing unit, the signal input part of MCU connect the status signal mouth of Big Dipper RDSS baseband signal processing unit; The power control signal mouth of MCU connects the power supply status control end of power control unit.
The working state control of described MCU to power control unit and Big Dipper RDSS unit, step is as follows:
1) switch element triggers;
2) MCU control Big Dipper RDSS unit positions;
If locate successfully, change step 3) over to;
If locate unsuccessful carry out the dormancy that duration is x, dormancy finishes to reorientate;
3) carry out the dormancy that duration is x, then control Big Dipper RDSS unit and communicate;
If communicate by letter successfully, change step 4) over to;
Unsuccessful if communicate by letter, carry out the dormancy that duration is x, dormancy is recommunicated after finishing;
5) carry out the dormancy that duration is y, then return to step 2).
Described sea rescue based on Big Dipper RDSS navigationsystem is located and is marked position on the shoulder that is fixed in the life jacket body.Can keep and good the communicating by letter of Big Dipper navigation satellite with assurance lifesaving mark, and can guarantee that when overboard the lifesaving mark can not break away from life jacket, float on the sea with life jacket.
Described switch element also comprises hand switch, and hand switch connects the on-off signal input end of controlling power control unit.
Described preamplifier PA is controllable gain amplifier, the gain control signal input end of the gain control output end connection controllable gain amplifier of described Big Dipper RDSS baseband signal processing unit.
Described circuit part is in water proof case, be provided with quakeproof rubber pad with water proof case inwall junction.
Use above-mentionedly based on Big Dipper RDSS navigationsystem sea rescue location target rescue system, comprise described based on Big Dipper RDSS navigationsystem sea rescue location mark and rescue center base station; Described based on communicating by letter by Big Dipper RDSS satellite navigation system satellite navigation and location system between Big Dipper RDSS navigationsystem sea rescue location mark and rescue center base station.
Big Dipper RDSS navigation elements is used for receiving and emission Big Dipper navigation satellite signal, receives, resolves Beidou satellite navigation " locating information " (comprising coordinate information, time); Receive Big Dipper RDSS satellite navigation signals, resolve the Beidou satellite navigation locating information, and the take over party's (being generally rescue at sea center and rescue group) who locating information is sent to appointment by Big Dipper RDSS navigation satellite is to complete the fixed point work of suing and labouring.Big Dipper RDSS terminal control unit is used for controlling whole terminal electric power starting, closing, and realizes energy-conservation; Control the navigation elements mode of operation; Adopt tactile water automatically to open location mark source switch, and manually function is marked in the open and close location; Realize " dormancy " of Big Dipper RDSS navigation elements and can control the time length of " dormancy " by software control, to reach the saving power consumption, extending the function of service time of battery.
The technical program adopts the wireless mensuration satellite business of Big Dipper RDSS(Radio Determination Satellite Service) satellite navigation system, not only can provide accurate location, and have the short message message sending function.The short message informational function has successfully made up the deficiency that gps system can only be located just, and making to locate based on the sea rescue of Big Dipper RDSS satellite navigation system becomes possibility.
The technical program can realize individual lifesaving and send to the rescue at sea center to seek rescue function individual coordinate information.
The technical program has following advantage and effect with respect to prior art:
(1). the life jacket wearer, not only can utilize life jacket to realize saving oneself after overboard, overboard coordinate can be transmitted to rescue center simultaneously and accurately sue and labour to realize rescue center.
(2). the technical program can accurately be oriented the location coordinate information when emergency situations occurs in real time, simultaneously the persons falling in water location coordinate information is sent to rescue center to facilitate the rescue group accurately and timely to search and rescue persons falling in water.
(3). the technical program adopts modular design, realizes navigation, location on the basis of chip-scale circuit, sends the function such as short message information, has a volume little, low in energy consumption, and fiduciary level is high, the accuracy of positioning advantages of higher.
Four, description of drawings
Fig. 1 is the structural representation of the technical program life jacket, in figure, and life jacket body 1, based on the sea rescue of Big Dipper RDSS navigationsystem location mark 2;
The sea rescue individual that Fig. 2 is based on Big Dipper RDSS satellite navigation system locates the mark schematic circuit diagram;
Fig. 3 is the workflow of the terminal control unit of location mark circuit;
Fig. 4 be use above-mentioned based on Big Dipper RDSS navigationsystem sea rescue location target rescue system schematic diagram.
Five, specific embodiments
Below in conjunction with embodiment and accompanying drawing, the technical program is described in further detail, but the embodiment of the technical program is not limited to this.
A kind of band Big Dipper RDSS navigationsystem sea rescue location target life jacket, life jacket body and based on the sea rescue location mark of Big Dipper RDSS navigationsystem; Described sea rescue based on Big Dipper RDSS navigationsystem is located mark and is fixed on the life jacket body.
Described sea rescue based on Big Dipper RDSS navigationsystem is located mark, has structure division and circuit part; Described structure division is water proof case, and circuit part is enclosed in this water proof case; Described circuit part comprises antenna, Big Dipper RDSS unit and terminal control unit;
Described Big Dipper RDSS unit comprises low noise amplifier LNA, Big Dipper RDSS radio frequency unit, A/D converter, Big Dipper RDSS baseband signal processing unit and preamplifier PA; Signal from antenna passes to the input end of the receiving cable of Big Dipper RDSS radio frequency unit through low noise amplifier LNA, pass to the signal input part of Big Dipper RDSS baseband signal processing unit through the signal after frequency conversion through A/D converter from the output signal of the receiving cable of Big Dipper RDSS radio frequency unit; The signal output part of Big Dipper RDSS baseband signal processing unit connects the input end of the transmission channel of Big Dipper RDSS radio frequency unit, and the output signal of the transmission channel of Big Dipper RDSS radio frequency unit passes through antenna transmission after amplifying through preamplifier PA;
Described terminal control unit comprises battery, power control unit, MCU and switch element; It is Big Dipper RDSS unit power supply and MCU power supply that described power control unit is controlled battery; Described switch element comprises tactile water drain cock, touches water drain cock and connects the on-off signal input end of controlling power control unit; The control signal mouth of MCU connects the control signal input end of Big Dipper RDSS baseband signal processing unit, the signal input part of MCU connect the status signal mouth of Big Dipper RDSS baseband signal processing unit; The power control signal mouth of MCU connects the power supply status control end of power control unit.
Big Dipper RDSS radio-frequency receiving-transmitting passage is used for receiving and emission Big Dipper RDSS radiofrequency signal, communicates with big-dipper satellite.Receiving unit is used for from antenna reception Big Dipper RDSS radiofrequency signal, is intermediate-freuqncy signal by double conversion, is converted to digital signal through ADC and processes to baseband processing circuitry.Radiating portion is used for exporting to big-dipper satellite with becoming the RF signal on modulated intermediate frequency signal gain amplification colleague through Big Dipper RDSS power amplifier antenna;
Big Dipper RDSS power amplifier is used in the future the signal power of Big Dipper navigation module radiating portion and is amplified to enough power and then is transmitted to big-dipper satellite and receives.
Big Dipper RDSS baseband processing circuitry is used for the information that Big Dipper navigation module receives is decoded, and calculates the information that big-dipper satellite passes back (as locating information etc.).
Big Dipper RDSS system terminal control unit comprises: the parts such as MCU, power management, switch control.
Big Dipper RDSS system terminal control unit is controlled the function of Big Dipper RDSS navigation module mode of operation.
Described terminal control unit is controlled power management and is realized that whole location mark power supply controls automatically, supply regular power when guaranteeing that the location is marked on work, and cut off the supply of N/R power supply when not working, extend the function of location mark work-hours; Work can be opened after being marked on and wearing the man overboard automatically in the realization location, in time sends locating information, prevents simultaneously location mark maloperation, the error starting function.
Location, time service, communication function that this lifesaving location mark utilizes Big Dipper RDSS system to provide, by circulation locate, traffic operation, constantly up-to-date customer location, temporal information are in time mail to rescue center's (reach maritime search and rescue center) on the bank.Can demonstrate in real time the data such as persons falling in water position and peripheral sea chart sea situation on rescue center's maneuvering platform, rescue center goes to the scene to sue and labour according to ship and the professional ocean patrol rescue worker of the format surrounding waters of receiving.The rescue worker relies on the handheld terminal carry to receive in real time the location information that lifesaving location mark sends, finally to find the persons falling in water position.This location mark adopts modular design, Big Dipper sea rescue individual location is marked in traditional life jacket combines, and has that volume is little, low in energy consumption, a high reliability, locating accuracy advantages of higher.
Embodiment:
Fig. 1 is with the individual mark life jacket schematic diagram of locating of the sea rescue of Big Dipper RDSS satellite navigation system.
Be illustrated in figure 2 as based on the sea rescue of Big Dipper RDSS navigationsystem and locate target circuit system structure principle chart, be illustrated in figure 3 as the workflow of terminal control unit.
Big Dipper RDSS navigation elements is integrated components and parts such as radio frequency chip, baseband chip, LNA are completed the transmitting-receiving of Big Dipper radio frequency, baseband signal and are processed, and set up physical channel between emergency equipment and dipper system.This part is adopted the modular unit of radio frequency+base band, is conducive to reduce equipment volume, reduces equipment power dissipation.The parts such as MCU, power management, switch control that terminal control unit is integrated.
Switching control section has designed the accident automatic trigger switch: the overboard emergency scene of the crewman during take marine operation is example, can utilize the low characteristics design of seawater resistivity to touch water drain cock, open electrode is submerged and is got final product conducting after seawater, thereby realizes touching the function of water Auto Power On work.Configure simultaneously a hand switch, push button and can realize the work of manual open and close machine, also configured in addition working station indicator, simple operation is reliable.
After this lifesaving mark switch opens, the lifesaving mark namely enters mode of operation, carry out Big Dipper active location at " Big Dipper location " state as shown in Figure 2, terminal control unit sends " location application " instruction to Big Dipper RDSS navigation elements, Big Dipper RDSS navigation elements receives the radiofrequency signal that big-dipper satellite transmits, and with after these signal frequency conversions through the AD converting transmission to Big Dipper RDSS baseband circuit, baseband circuit is responsible for receiving, resolve " locating information " that Big Dipper RDSS unit returns;
At " Big Dipper communication " state, terminal control unit sends " apply by letter " instruction to Big Dipper RDSS navigation elements, elements of a fix information, the temporal information of telegraph text content in the communication information for obtaining recently, Big Dipper RDSS navigation elements sends the communication information by Big Dipper navigation satellite, destination addresses is the rescue at sea center.The rescue at sea center directs rescue work personnel according to information such as the coordinate of receiving, times and rushes for fixed-point rescue;
The active location that Big Dipper RDSS provides, communication service generally have the restriction of service frequency.The service frequency not then system enter default " dormancy " state, terminal control unit can carry out " dormancy " time of setup control Big Dipper RDSS navigation elements according to the actual requirements, and after dormancy finishes, it is re-powered, be conducive to like this reduce equipment power dissipation, improve the system standby duration.
Compared with prior art, the characteristics of the technical program are as follows:
Locate mark based on Big Dipper RDSS navigationsystem sea rescue and can realize that overboard rear equipment triggers startup automatically, can close by hand switch under this product maloperation triggering situation; Can realize after village, this location water triggers that automatic Beidou satellite navigation accurately locates, and locating information is sent to rescue center by Big Dipper RDSS short message form in real time, carry out fixed-point rescue; This location mark can be realized " dormancy " of Big Dipper RDSS navigation elements and can control the time length of " dormancy " by software control;
As mentioned above, be the preferred forms of the technical program.Although described example has represented and has described the technical program, but do not represent the restriction to self, those skilled in the art should be understood that, under the prerequisite of the spirit and scope of the technical program that does not break away from claims definition, can make various variations at it, appending claims has covered all such changes and modifications in the technical program spirit and scope in form and on details.
Claims (5)
1. a band Big Dipper RDSS navigationsystem sea rescue is located the target life jacket, it is characterized in that comprising the life jacket body and locates mark based on the sea rescue of Big Dipper RDSS navigationsystem; Described sea rescue based on Big Dipper RDSS navigationsystem is located mark and is fixed on the life jacket body;
Described sea rescue based on Big Dipper RDSS navigationsystem is located mark, comprises structure division and circuit part;
Described structure division is water proof case, and circuit part is enclosed in this water proof case;
Described circuit part comprises antenna, Big Dipper RDSS unit and terminal control unit;
Described Big Dipper RDSS unit comprises low noise amplifier LNA, Big Dipper RDSS radio frequency unit, A/D converter, Big Dipper RDSS baseband signal processing unit and preamplifier PA; Signal from antenna passes to the input end of the receiving cable of Big Dipper RDSS radio frequency unit through low noise amplifier LNA, pass to the signal input part of Big Dipper RDSS baseband signal processing unit through the signal after frequency conversion through A/D converter from the output signal of the receiving cable of Big Dipper RDSS radio frequency unit; The signal output part of Big Dipper RDSS baseband signal processing unit connects the input end of the transmission channel of Big Dipper RDSS radio frequency unit, and the output signal of the transmission channel of Big Dipper RDSS radio frequency unit passes through antenna transmission after amplifying through preamplifier PA;
Described terminal control unit comprises battery, power control unit, MCU and switch element; It is Big Dipper RDSS unit power supply and MCU power supply that described power control unit is controlled battery; Described switch element comprises tactile water drain cock, touches water drain cock and connects the on-off signal input end of controlling power control unit; The control signal mouth of MCU connects the control signal input end of Big Dipper RDSS baseband signal processing unit, the signal input part of MCU connect the status signal mouth of Big Dipper RDSS baseband signal processing unit; The power control signal mouth of MCU connects the power supply status control end of power control unit.
2. band Big Dipper RDSS navigationsystem sea rescue according to claim 1 location target life jacket is characterized in that described sea rescue location mark based on Big Dipper RDSS navigationsystem is fixed in position on the shoulder of life jacket body;
Can keep and good the communicating by letter of Big Dipper navigation satellite with assurance lifesaving mark, and can guarantee that when overboard the lifesaving mark can not break away from life jacket, float on the sea with life jacket.
3. band Big Dipper RDSS navigationsystem sea rescue according to claim 1 is located the target life jacket, it is characterized in that described switch element also comprises hand switch, and hand switch connects the on-off signal input end of controlling power control unit.
4. band Big Dipper RDSS navigationsystem sea rescue according to claim 1 is located the target life jacket, it is characterized in that described preamplifier PA is controllable gain amplifier, the gain control signal input end of the gain control output end connection controllable gain amplifier of described Big Dipper RDSS baseband signal processing unit.
5. band Big Dipper RDSS navigationsystem sea rescue according to claim 1 location target life jacket is characterized in that described circuit part is in water proof case, be provided with quakeproof rubber pad with water proof case inwall junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220727304 CN203005724U (en) | 2012-12-26 | 2012-12-26 | Life jacket with sea lifesaving locating icon of Big Dipper RDSS (Radio Determination Satellite Service) navigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220727304 CN203005724U (en) | 2012-12-26 | 2012-12-26 | Life jacket with sea lifesaving locating icon of Big Dipper RDSS (Radio Determination Satellite Service) navigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203005724U true CN203005724U (en) | 2013-06-19 |
Family
ID=48597342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220727304 Expired - Fee Related CN203005724U (en) | 2012-12-26 | 2012-12-26 | Life jacket with sea lifesaving locating icon of Big Dipper RDSS (Radio Determination Satellite Service) navigation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203005724U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529463A (en) * | 2013-09-27 | 2014-01-22 | 中国科学院自动化研究所北仑科学艺术实验中心 | Positioning device and positioning method for drowning person |
| CN103738486A (en) * | 2014-01-21 | 2014-04-23 | 柳州市锋威汽车科技有限公司 | Life jacket based on satellite navigation positioning |
| CN104058080A (en) * | 2014-07-03 | 2014-09-24 | 安庆市鸿裕工业产品设计有限公司 | Life jacket with expansion compressed bags |
| CN107878711A (en) * | 2017-07-17 | 2018-04-06 | 青岛海狮网络科技有限公司 | One kind can effectively fool proof personal floating lamp for life saving position device |
| CN109606595A (en) * | 2018-12-27 | 2019-04-12 | 重庆华渝电气集团有限公司 | A kind of submarine underwater escape decompression dive computer |
| CN113870540A (en) * | 2021-09-07 | 2021-12-31 | 桂林理工大学 | Pet anti-loss intelligent tracking system based on Beidou navigation |
| CN115959267A (en) * | 2023-02-08 | 2023-04-14 | 浙江中裕通信技术有限公司 | Offshore lifesaving equipment and method |
-
2012
- 2012-12-26 CN CN 201220727304 patent/CN203005724U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529463A (en) * | 2013-09-27 | 2014-01-22 | 中国科学院自动化研究所北仑科学艺术实验中心 | Positioning device and positioning method for drowning person |
| CN103738486A (en) * | 2014-01-21 | 2014-04-23 | 柳州市锋威汽车科技有限公司 | Life jacket based on satellite navigation positioning |
| CN104058080A (en) * | 2014-07-03 | 2014-09-24 | 安庆市鸿裕工业产品设计有限公司 | Life jacket with expansion compressed bags |
| CN107878711A (en) * | 2017-07-17 | 2018-04-06 | 青岛海狮网络科技有限公司 | One kind can effectively fool proof personal floating lamp for life saving position device |
| CN107878711B (en) * | 2017-07-17 | 2023-07-18 | 青岛海狮网络科技有限公司 | Personal lifesaving position indicating device capable of effectively preventing misoperation |
| CN109606595A (en) * | 2018-12-27 | 2019-04-12 | 重庆华渝电气集团有限公司 | A kind of submarine underwater escape decompression dive computer |
| CN113870540A (en) * | 2021-09-07 | 2021-12-31 | 桂林理工大学 | Pet anti-loss intelligent tracking system based on Beidou navigation |
| CN115959267A (en) * | 2023-02-08 | 2023-04-14 | 浙江中裕通信技术有限公司 | Offshore lifesaving equipment and method |
| CN115959267B (en) * | 2023-02-08 | 2023-09-12 | 浙江中裕通信技术有限公司 | Marine lifesaving equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203005724U (en) | Life jacket with sea lifesaving locating icon of Big Dipper RDSS (Radio Determination Satellite Service) navigation system | |
| CN102944883A (en) | Seaborne rescue localizer based on Beidou RDSS (Radio Determination Satellite Service) navigation system and system | |
| CN202929212U (en) | Maritime life-saving positioning beacon based on Beidou RDSS navigation system and rescue system using the same | |
| CN207427168U (en) | A kind of overocean communications base station buoy based on iridium satellite and Beidou satellite communication | |
| KR100717595B1 (en) | Salvage system for life jacket | |
| CN202916443U (en) | Beidou satellite SMS emergency system | |
| CN205826869U (en) | A kind of boat-carrying warning search and rescue system and search and rescue network | |
| CN104950314B (en) | Extend the AIS portable emergency position indicating mark and its working method of effective operating time | |
| CN104199070A (en) | Marine target positioning method, help seeking terminal and search and rescue terminal and system | |
| CN204013524U (en) | A kind of hand-held VHF talk back equipment that possesses AIS SOS function | |
| CN204964763U (en) | Based on big dipper short message lifesaving end system | |
| CN105572628B (en) | AIS based on the communication of low orbit marine satellite searches and rescues position indicating mark equipment | |
| CN105182383B (en) | Search and rescue terminal device based on the Big Dipper, AIS and underwater acoustic technology | |
| CN106211294B (en) | AIS maritime search and rescue position indication mark and position indication method thereof | |
| US7200358B1 (en) | Detachable wireless transceiver for mobile marine communications apparatus | |
| CN202770997U (en) | Maritime life-saving positioning system | |
| CN108008427A (en) | Marine persons falling in water intelligence search and rescue system | |
| CN202929801U (en) | Search and rescue terminal | |
| CN102435976B (en) | Maritime emergency position indicating system | |
| CN2774934Y (en) | Life saving jacket with position report device | |
| CN201166923Y (en) | Navigation system for scheduling a near yird ship | |
| CN209961916U (en) | Maritime search and rescue terminal | |
| CN202035146U (en) | Handheld AIS terminal | |
| CN208540177U (en) | A kind of emergency is mutual to rescue rescue system | |
| CN207257936U (en) | A kind of boat-carrying life vest of dipper system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20171226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |